<script>
import { ref, reactive } from "vue";

class API {
    async call({ method, path, body }) {
        const res = await fetch(`./api${path}`, {
            method,
            headers: {
                "Content-Type": "application/json",
            },
            body: body ? JSON.stringify(body) : undefined,
        });

        if (res.status === 204) {
            return undefined;
        }

        const json = await res.json();

        if (!res.ok) {
            throw new Error(json.error || res.statusText);
        }

        return json;
    }

    async getRelease() {
        return this.call({
            method: "get",
            path: "/release",
        });
    }

    async getSession() {
        return this.call({
            method: "get",
            path: "/session",
        });
    }

    async createSession({ password }) {
        return this.call({
            method: "post",
            path: "/session",
            body: { password },
        });
    }

    async deleteSession() {
        return this.call({
            method: "delete",
            path: "/session",
        });
    }

    async getClients() {
        return this.call({
            method: "get",
            path: "/wireguard/client",
        }).then((clients) =>
            clients.map((client) => ({
                ...client,
                createdAt: new Date(client.createdAt),
                updatedAt: new Date(client.updatedAt),
                latestHandshakeAt: client.latestHandshakeAt !== null ? new Date(client.latestHandshakeAt) : null,
            }))
        );
    }

    async createClient({ name }) {
        return this.call({
            method: "post",
            path: "/wireguard/client",
            body: { name },
        });
    }

    async deleteClient({ clientId }) {
        return this.call({
            method: "delete",
            path: `/wireguard/client/${clientId}`,
        });
    }

    async enableClient({ clientId }) {
        return this.call({
            method: "post",
            path: `/wireguard/client/${clientId}/enable`,
        });
    }

    async disableClient({ clientId }) {
        return this.call({
            method: "post",
            path: `/wireguard/client/${clientId}/disable`,
        });
    }

    async updateClientName({ clientId, name }) {
        return this.call({
            method: "put",
            path: `/wireguard/client/${clientId}/name/`,
            body: { name },
        });
    }

    async updateClientAddress({ clientId, address }) {
        return this.call({
            method: "put",
            path: `/wireguard/client/${clientId}/address/`,
            body: { address },
        });
    }
}

export default {
    setup() {
        const authenticated = ref(null);
        const authenticating = ref(false);
        const password = ref(null);
        const requiresPassword = ref(null);

        const clients = ref(null);
        const clientsPersist = reactive({});
        const clientDelete = ref(null);
        const clientCreate = ref(null);
        const clientCreateName = ref("");
        const clientEditName = ref(null);
        const clientEditNameId = ref(null);
        const clientEditAddress = ref(null);
        const clientEditAddressId = ref(null);
        const qrcode = ref(null);

        const currentRelease = ref(null);
        const latestRelease = ref(null);

        const isDark = ref(null);

        const chartOptions = reactive({
            chart: {
                background: "transparent",
                type: "bar",
                stacked: false,
                toolbar: {
                    show: false,
                },
                animations: {
                    enabled: false,
                },
            },
            colors: [
                "#DDDDDD", // rx
                "#EEEEEE", // tx
            ],
            dataLabels: {
                enabled: false,
            },
            plotOptions: {
                bar: {
                    horizontal: false,
                },
            },
            xaxis: {
                labels: {
                    show: false,
                },
                axisTicks: {
                    show: true,
                },
                axisBorder: {
                    show: true,
                },
            },
            yaxis: {
                labels: {
                    show: false,
                },
                min: 0,
            },
            tooltip: {
                enabled: false,
            },
            legend: {
                show: false,
            },
            grid: {
                show: false,
                padding: {
                    left: -10,
                    right: 0,
                    bottom: -15,
                    top: -15,
                },
                column: {
                    opacity: 0,
                },
                xaxis: {
                    lines: {
                        show: false,
                    },
                },
            },
        });

        const api = new API();

        const dateTime = (value) => {
            return new Intl.DateTimeFormat(undefined, {
                year: "numeric",
                month: "short",
                day: "numeric",
                hour: "numeric",
                minute: "numeric",
            }).format(value);
        };

        const refresh = async ({ updateCharts = false } = {}) => {
            if (!authenticated.value) return;

            const clientsData = await api.getClients();
            clients.value = clientsData.map((client) => {
                if (client.name.includes("@") && client.name.includes(".")) {
                    // FIXME: add "sha512"
                    client.avatar = `https://www.gravatar.com/avatar/${sha512(client.name)}?d=blank`;
                }

                if (!clientsPersist[client.id]) {
                    clientsPersist[client.id] = {};
                    clientsPersist[client.id].transferRxHistory = Array(50).fill(0);
                    clientsPersist[client.id].transferRxPrevious = client.transferRx;
                    clientsPersist[client.id].transferTxHistory = Array(50).fill(0);
                    clientsPersist[client.id].transferTxPrevious = client.transferTx;
                }

                // Debug
                // client.transferRx = clientsPersist[client.id].transferRxPrevious + Math.random() * 1000;
                // client.transferTx = clientsPersist[client.id].transferTxPrevious + Math.random() * 1000;

                if (updateCharts) {
                    clientsPersist[client.id].transferRxCurrent =
                        client.transferRx - clientsPersist[client.id].transferRxPrevious;
                    clientsPersist[client.id].transferRxPrevious = client.transferRx;
                    clientsPersist[client.id].transferTxCurrent =
                        client.transferTx - clientsPersist[client.id].transferTxPrevious;
                    clientsPersist[client.id].transferTxPrevious = client.transferTx;

                    clientsPersist[client.id].transferRxHistory.push(clientsPersist[client.id].transferRxCurrent);
                    clientsPersist[client.id].transferRxHistory.shift();

                    clientsPersist[client.id].transferTxHistory.push(clientsPersist[client.id].transferTxCurrent);
                    clientsPersist[client.id].transferTxHistory.shift();
                }

                client.transferTxCurrent = clientsPersist[client.id].transferTxCurrent;
                client.transferRxCurrent = clientsPersist[client.id].transferRxCurrent;

                client.transferTxHistory = clientsPersist[client.id].transferTxHistory;
                client.transferRxHistory = clientsPersist[client.id].transferRxHistory;
                client.transferMax = Math.max(...client.transferTxHistory, ...client.transferRxHistory);

                client.hoverTx = clientsPersist[client.id].hoverTx;
                client.hoverRx = clientsPersist[client.id].hoverRx;

                return client;
            });
        };

        const login = (e) => {
            e.preventDefault();

            if (!password.value) return;
            if (authenticating.value) return;

            authenticating.value = true;
            api.createSession({
                password: password.value,
            })
                .then(async () => {
                    const session = await api.getSession();
                    authenticated.value = session.authenticated;
                    requiresPassword.value = session.requiresPassword;
                    return refresh();
                })
                .catch((err) => {
                    alert(err.message || err.toString());
                })
                .finally(() => {
                    authenticating.value = false;
                    password.value = null;
                });
        };

        const logout = (e) => {
            e.preventDefault();

            api.deleteSession()
                .then(() => {
                    authenticated.value = false;
                    clients.value = null;
                })
                .catch((err) => {
                    alert(err.message || err.toString());
                });
        };

        const createClient = () => {
            const name = clientCreateName.value;
            if (!name) return;

            api.createClient({ name })
                .catch((err) => alert(err.message || err.toString()))
                .finally(() => refresh().catch(console.error));
        };

        const deleteClient = (client) => {
            api.deleteClient({ clientId: client.id })
                .catch((err) => alert(err.message || err.toString()))
                .finally(() => refresh().catch(console.error));
        };

        const enableClient = (client) => {
            api.enableClient({ clientId: client.id })
                .catch((err) => alert(err.message || err.toString()))
                .finally(() => refresh().catch(console.error));
        };

        const disableClient = (client) => {
            api.disableClient({ clientId: client.id })
                .catch((err) => alert(err.message || err.toString()))
                .finally(() => refresh().catch(console.error));
        };

        const updateClientName = (client, name) => {
            api.updateClientName({ clientId: client.id, name })
                .catch((err) => alert(err.message || err.toString()))
                .finally(() => refresh().catch(console.error));
        };

        const updateClientAddress = (client, address) => {
            api.updateClientAddress({ clientId: client.id, address })
                .catch((err) => alert(err.message || err.toString()))
                .finally(() => refresh().catch(console.error));
        };

        const toggleTheme = () => {
            if (isDark.value) {
                localStorage.theme = "light";
                document.documentElement.classList.remove("dark");
            } else {
                localStorage.theme = "dark";
                document.documentElement.classList.add("dark");
            }
            isDark.value = !isDark.value;
        };

        return {
            authenticated,
            authenticating,
            password,
            requiresPassword,

            clients,
            clientsPersist,
            clientDelete,
            clientCreate,
            clientCreateName,
            clientEditName,
            clientEditNameId,
            clientEditAddress,
            clientEditAddressId,
            qrcode,

            currentRelease,
            latestRelease,

            isDark,

            chartOptions,

            dateTime,
            refresh,
            login,
            logout,
            createClient,
            deleteClient,
            enableClient,
            disableClient,
            updateClientName,
            updateClientAddress,
            toggleTheme,

            api,
        };
    },
    mounted() {
        this.isDark = false;
        if (localStorage.theme === "dark") {
            this.isDark = true;
        }

        this.api
            .getSession()
            .then((session) => {
                console.log(session);
                this.authenticated = session.authenticated;
                this.requiresPassword = session.requiresPassword;
                this.refresh({
                    updateCharts: true,
                }).catch((err) => {
                    alert(err.message || err.toString());
                });
            })
            .catch((err) => {
                alert(err.message || err.toString());
            });

        setInterval(() => {
            this.refresh({
                updateCharts: true,
            }).catch(console.error);
        }, 1000);

        Promise.resolve()
            .then(async () => {
                const currentReleaseData = await this.api.getRelease();
                const latestReleaseData = await fetch("https://wg-easy.github.io/wg-easy/changelog.json")
                    .then((res) => res.json())
                    .then((releases) => {
                        const releasesArray = Object.entries(releases).map(([version, changelog]) => ({
                            version: parseInt(version, 10),
                            changelog,
                        }));
                        releasesArray.sort((a, b) => {
                            return b.version - a.version;
                        });

                        return releasesArray[0];
                    });

                console.log(`Current Release: ${currentReleaseData}`);
                console.log(`Latest Release: ${latestReleaseData.version}`);

                if (currentReleaseData >= latestReleaseData.version) return;

                currentRelease.value = currentReleaseData;
                latestRelease.value = latestReleaseData;
            })
            .catch(console.error);
    },
};
</script>

<template>
    <!-- <header>
        <img alt="Vue logo" class="logo" src="./assets/logo.svg" width="125" height="125" />

        <div class="wrapper">
            <HelloWorld msg="You did it!" />
        </div>
    </header> -->

    <main>
        <div v-cloak class="container mx-auto max-w-3xl px-5 md:px-0">
            <div v-if="authenticated === true">
                <span
                    v-if="requiresPassword"
                    class="text-sm text-gray-400 dark:text-neutral-400 mb-10 mr-2 mt-3 cursor-pointer hover:underline float-right"
                    @click="logout"
                >
                    Logout
                    <svg
                        class="h-3 inline"
                        xmlns="http://www.w3.org/2000/svg"
                        fill="none"
                        viewBox="0 0 24 24"
                        stroke="currentColor"
                    >
                        <path
                            stroke-linecap="round"
                            stroke-linejoin="round"
                            stroke-width="2"
                            d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1"
                        />
                    </svg>
                </span>
                <h1 class="text-4xl dark:text-neutral-200 font-medium mt-2 mb-2">
                    <img src="./assets/img/logo.png" width="32" class="inline align-middle dark:bg" />
                    <span class="align-middle">WireGuard</span>
                </h1>
                <h2 class="text-sm text-gray-400 dark:text-neutral-400 mb-10"></h2>

                <div
                    v-if="latestRelease"
                    class="bg-red-800 dark:bg-red-100 p-4 text-white dark:text-red-600 text-sm font-small mb-10 rounded-md shadow-lg"
                    :title="`v${currentRelease} → v${latestRelease.version}`"
                >
                    <div class="container mx-auto flex flex-row flex-auto items-center">
                        <div class="flex-grow">
                            <p class="font-bold">There is an update available!</p>
                            <p>{{ latestRelease.changelog }}</p>
                        </div>

                        <a
                            href="https://github.com/wg-easy/wg-easy#updating"
                            target="_blank"
                            class="p-3 rounded-md bg-white dark:bg-red-100 float-right font-sm font-semibold text-red-800 dark:text-red-600 flex-shrink-0 border-2 border-red-800 dark:border-red-600 hover:border-white dark:hover:border-red-600 hover:text-white dark:hover:text-red-100 hover:bg-red-800 dark:hover:bg-red-600 transition-all"
                        >
                            Update →
                        </a>
                    </div>
                </div>

                <div class="shadow-md rounded-lg bg-white dark:bg-neutral-700 overflow-hidden">
                    <div
                        class="flex flex-row flex-auto items-center p-3 px-5 border-b-2 border-gray-100 dark:border-neutral-600"
                    >
                        <div class="flex-grow">
                            <p class="text-2xl font-medium dark:text-neutral-200">Clients</p>
                        </div>
                        <div class="flex-shrink-0">
                            <button
                                @click="
                                    clientCreate = true;
                                    clientCreateName = '';
                                "
                                class="hover:bg-red-800 hover:border-red-800 hover:text-white text-gray-700 dark:text-neutral-200 border-2 border-gray-100 dark:border-neutral-600 py-2 px-4 rounded inline-flex items-center transition"
                            >
                                <svg
                                    class="w-4 mr-2"
                                    inline
                                    xmlns="http://www.w3.org/2000/svg"
                                    fill="none"
                                    viewBox="0 0 24 24"
                                    stroke="currentColor"
                                >
                                    <path
                                        stroke-linecap="round"
                                        stroke-linejoin="round"
                                        stroke-width="2"
                                        d="M12 6v6m0 0v6m0-6h6m-6 0H6"
                                    />
                                </svg>
                                <span class="text-sm">New</span>
                            </button>
                        </div>
                    </div>

                    <div>
                        <!-- Client -->
                        <div
                            v-if="clients && clients.length > 0"
                            v-for="client in clients"
                            :key="client.id"
                            class="relative overflow-hidden border-b last:border-b-0 border-gray-100 dark:border-neutral-600 border-solid"
                        >
                            <!-- Chart -->
                            <!-- FIXME: Not working yet -->
                            <!-- <div class="absolute z-0 bottom-0 left-0 right-0" style="top: 60%">
                                <apexchart
                                    width="100%"
                                    height="100%"
                                    :options="client.chartOptions"
                                    :series="client.transferTxSeries"
                                >
                                </apexchart>
                            </div>
                            <div class="absolute z-0 top-0 left-0 right-0" style="bottom: 60%">
                                <apexchart
                                    width="100%"
                                    height="100%"
                                    :options="client.chartOptions"
                                    :series="client.transferRxSeries"
                                    style="transform: scaleY(-1)"
                                >
                                </apexchart>
                            </div> -->

                            <div class="relative p-5 z-10 flex flex-col md:flex-row justify-between">
                                <div class="flex items-center pb-2 md:pb-0">
                                    <div class="h-10 w-10 mr-5 rounded-full bg-gray-50 relative">
                                        <svg
                                            class="w-6 m-2 text-gray-300"
                                            xmlns="http://www.w3.org/2000/svg"
                                            viewBox="0 0 20 20"
                                            fill="currentColor"
                                        >
                                            <path
                                                fill-rule="evenodd"
                                                d="M10 9a3 3 0 100-6 3 3 0 000 6zm-7 9a7 7 0 1114 0H3z"
                                                clip-rule="evenodd"
                                            />
                                        </svg>
                                        <img
                                            v-if="client.avatar"
                                            :src="client.avatar"
                                            class="w-10 rounded-full absolute top-0 left-0"
                                        />

                                        <div
                                            v-if="
                                                client.latestHandshakeAt &&
                                                new Date() - new Date(client.latestHandshakeAt) < 1000 * 60 * 10
                                            "
                                        >
                                            <div
                                                class="animate-ping w-4 h-4 p-1 bg-red-100 dark:bg-red-100 rounded-full absolute -bottom-1 -right-1"
                                            ></div>
                                            <div
                                                class="w-2 h-2 bg-red-800 dark:bg-red-600 rounded-full absolute bottom-0 right-0"
                                            ></div>
                                        </div>
                                    </div>

                                    <div class="flex-grow">
                                        <!-- Name -->
                                        <div
                                            class="text-gray-700 dark:text-neutral-200 group"
                                            :title="'Created on ' + dateTime(new Date(client.createdAt))"
                                        >
                                            <!-- Show -->
                                            <input
                                                v-show="clientEditNameId === client.id"
                                                v-model="clientEditName"
                                                v-on:keyup.enter="
                                                    updateClientName(client, clientEditName);
                                                    clientEditName = null;
                                                    clientEditNameId = null;
                                                "
                                                v-on:keyup.escape="
                                                    clientEditName = null;
                                                    clientEditNameId = null;
                                                "
                                                :ref="'client-' + client.id + '-name'"
                                                class="rounded px-1 border-2 dark:bg-neutral-700 border-gray-100 dark:border-neutral-600 focus:border-gray-200 dark:focus:border-neutral-500 dark:placeholder:text-neutral-500 outline-none w-30"
                                            />
                                            <span
                                                v-show="clientEditNameId !== client.id"
                                                class="inline-block border-t-2 border-b-2 border-transparent"
                                                >{{ client.name }}</span
                                            >

                                            <!-- Edit -->
                                            <span
                                                v-show="clientEditNameId !== client.id"
                                                @click="
                                                    clientEditName = client.name;
                                                    clientEditNameId = client.id;
                                                    setTimeout(
                                                        () => $refs['client-' + client.id + '-name'][0].select(),
                                                        1
                                                    );
                                                "
                                                class="cursor-pointer opacity-0 group-hover:opacity-100 transition-opacity"
                                            >
                                                <svg
                                                    xmlns="http://www.w3.org/2000/svg"
                                                    class="h-4 w-4 inline align-middle opacity-25 hover:opacity-100"
                                                    fill="none"
                                                    viewBox="0 0 24 24"
                                                    stroke="currentColor"
                                                >
                                                    <path
                                                        stroke-linecap="round"
                                                        stroke-linejoin="round"
                                                        stroke-width="2"
                                                        d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"
                                                    />
                                                </svg>
                                            </span>
                                        </div>

                                        <!-- Info -->
                                        <div class="text-gray-400 dark:text-neutral-400 text-xs">
                                            <!-- Address -->
                                            <span class="group block md:inline-block pb-1 md:pb-0">
                                                <!-- Show -->
                                                <input
                                                    v-show="clientEditAddressId === client.id"
                                                    v-model="clientEditAddress"
                                                    v-on:keyup.enter="
                                                        updateClientAddress(client, clientEditAddress);
                                                        clientEditAddress = null;
                                                        clientEditAddressId = null;
                                                    "
                                                    v-on:keyup.escape="
                                                        clientEditAddress = null;
                                                        clientEditAddressId = null;
                                                    "
                                                    :ref="'client-' + client.id + '-address'"
                                                    class="rounded border-2 dark:bg-neutral-700 border-gray-100 dark:border-neutral-600 focus:border-gray-200 dark:focus:border-neutral-500 outline-none w-20 text-black dark:text-neutral-300 dark:placeholder:text-neutral-500"
                                                />
                                                <span
                                                    v-show="clientEditAddressId !== client.id"
                                                    class="inline-block border-t-2 border-b-2 border-transparent"
                                                    >{{ client.address }}</span
                                                >

                                                <!-- Edit -->
                                                <span
                                                    v-show="clientEditAddressId !== client.id"
                                                    @click="
                                                        clientEditAddress = client.address;
                                                        clientEditAddressId = client.id;
                                                        setTimeout(
                                                            () => $refs['client-' + client.id + '-address'][0].select(),
                                                            1
                                                        );
                                                    "
                                                    class="cursor-pointer opacity-0 group-hover:opacity-100 transition-opacity"
                                                >
                                                    <svg
                                                        xmlns="http://www.w3.org/2000/svg"
                                                        class="h-4 w-4 inline align-middle opacity-25 hover:opacity-100"
                                                        fill="none"
                                                        viewBox="0 0 24 24"
                                                        stroke="currentColor"
                                                    >
                                                        <path
                                                            stroke-linecap="round"
                                                            stroke-linejoin="round"
                                                            stroke-width="2"
                                                            d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"
                                                        />
                                                    </svg>
                                                </span>
                                            </span>

                                            <!-- Transfer TX -->
                                            <!-- FIXME: add "bytes" -->
                                            <span
                                                v-if="client.transferTx"
                                                :title="'Total Download: ' + bytes(client.transferTx)"
                                            >
                                                ·
                                                <svg
                                                    class="align-middle h-3 inline"
                                                    xmlns="http://www.w3.org/2000/svg"
                                                    viewBox="0 0 20 20"
                                                    fill="currentColor"
                                                >
                                                    <path
                                                        fill-rule="evenodd"
                                                        d="M16.707 10.293a1 1 0 010 1.414l-6 6a1 1 0 01-1.414 0l-6-6a1 1 0 111.414-1.414L9 14.586V3a1 1 0 012 0v11.586l4.293-4.293a1 1 0 011.414 0z"
                                                        clip-rule="evenodd"
                                                    />
                                                </svg>
                                                <!-- FIXME: add "bytes" -->
                                                {{ client.transferTxCurrent | bytes }}/s
                                            </span>

                                            <!-- Transfer RX -->
                                            <!-- FIXME: add "bytes" -->
                                            <span
                                                v-if="client.transferRx"
                                                :title="'Total Upload: ' + bytes(client.transferRx)"
                                            >
                                                ·
                                                <svg
                                                    class="align-middle h-3 inline"
                                                    xmlns="http://www.w3.org/2000/svg"
                                                    viewBox="0 0 20 20"
                                                    fill="currentColor"
                                                >
                                                    <path
                                                        fill-rule="evenodd"
                                                        d="M3.293 9.707a1 1 0 010-1.414l6-6a1 1 0 011.414 0l6 6a1 1 0 01-1.414 1.414L11 5.414V17a1 1 0 11-2 0V5.414L4.707 9.707a1 1 0 01-1.414 0z"
                                                        clip-rule="evenodd"
                                                    />
                                                </svg>
                                                <!-- FIXME: add "bytes" -->
                                                {{ client.transferRxCurrent | bytes }}/s
                                            </span>

                                            <!-- Last seen -->
                                            <span
                                                v-if="client.latestHandshakeAt"
                                                :title="'Last seen on ' + dateTime(new Date(client.latestHandshakeAt))"
                                            >
                                                <!-- FIXME: add "timeago" -->
                                                <!-- · {{ new Date(client.latestHandshakeAt) | timeago }} -->
                                                · {{ new Date(client.latestHandshakeAt) }}
                                            </span>
                                        </div>
                                    </div>
                                </div>

                                <div class="flex items-center justify-end">
                                    <div
                                        class="text-gray-400 dark:text-neutral-400 flex gap-1 items-center justify-between"
                                    >
                                        <!-- Enable/Disable -->
                                        <div
                                            @click="disableClient(client)"
                                            v-if="client.enabled === true"
                                            title="Disable Client"
                                            class="inline-block align-middle rounded-full w-10 h-6 mr-1 bg-red-800 cursor-pointer hover:bg-red-700 transition-all"
                                        >
                                            <div class="rounded-full w-4 h-4 m-1 ml-5 bg-white"></div>
                                        </div>
                                        <div
                                            @click="enableClient(client)"
                                            v-if="client.enabled === false"
                                            title="Enable Client"
                                            class="inline-block align-middle rounded-full w-10 h-6 mr-1 bg-gray-200 dark:bg-neutral-400 cursor-pointer hover:bg-gray-300 dark:hover:bg-neutral-500 transition-all"
                                        >
                                            <div class="rounded-full w-4 h-4 m-1 bg-white"></div>
                                        </div>

                                        <!-- Show QR-->
                                        <button
                                            class="align-middle bg-gray-100 dark:bg-neutral-600 dark:text-neutral-300 hover:bg-red-800 dark:hover:bg-red-800 hover:text-white dark:hover:text-white p-2 rounded transition"
                                            title="Show QR Code"
                                            @click="qrcode = `./api/wireguard/client/${client.id}/qrcode.svg`"
                                        >
                                            <svg
                                                class="w-5"
                                                xmlns="http://www.w3.org/2000/svg"
                                                fill="none"
                                                viewBox="0 0 24 24"
                                                stroke="currentColor"
                                            >
                                                <path
                                                    stroke-linecap="round"
                                                    stroke-linejoin="round"
                                                    stroke-width="2"
                                                    d="M12 4v1m6 11h2m-6 0h-2v4m0-11v3m0 0h.01M12 12h4.01M16 20h4M4 12h4m12 0h.01M5 8h2a1 1 0 001-1V5a1 1 0 00-1-1H5a1 1 0 00-1 1v2a1 1 0 001 1zm12 0h2a1 1 0 001-1V5a1 1 0 00-1-1h-2a1 1 0 00-1 1v2a1 1 0 001 1zM5 20h2a1 1 0 001-1v-2a1 1 0 00-1-1H5a1 1 0 00-1 1v2a1 1 0 001 1z"
                                                />
                                            </svg>
                                        </button>

                                        <!-- Download Config -->
                                        <a
                                            :href="'./api/wireguard/client/' + client.id + '/configuration'"
                                            download
                                            class="align-middle inline-block bg-gray-100 dark:bg-neutral-600 dark:text-neutral-300 hover:bg-red-800 dark:hover:bg-red-800 hover:text-white dark:hover:text-white p-2 rounded transition"
                                            title="Download Configuration"
                                        >
                                            <svg
                                                class="w-5"
                                                xmlns="http://www.w3.org/2000/svg"
                                                fill="none"
                                                viewBox="0 0 24 24"
                                                stroke="currentColor"
                                            >
                                                <path
                                                    stroke-linecap="round"
                                                    stroke-linejoin="round"
                                                    stroke-width="2"
                                                    d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4"
                                                />
                                            </svg>
                                        </a>

                                        <!-- Delete -->
                                        <button
                                            class="align-middle bg-gray-100 dark:bg-neutral-600 dark:text-neutral-300 hover:bg-red-800 dark:hover:bg-red-800 hover:text-white dark:hover:text-white p-2 rounded transition"
                                            title="Delete Client"
                                            @click="clientDelete = client"
                                        >
                                            <svg
                                                class="w-5"
                                                xmlns="http://www.w3.org/2000/svg"
                                                viewBox="0 0 20 20"
                                                fill="currentColor"
                                            >
                                                <path
                                                    fill-rule="evenodd"
                                                    d="M9 2a1 1 0 00-.894.553L7.382 4H4a1 1 0 000 2v10a2 2 0 002 2h8a2 2 0 002-2V6a1 1 0 100-2h-3.382l-.724-1.447A1 1 0 0011 2H9zM7 8a1 1 0 012 0v6a1 1 0 11-2 0V8zm5-1a1 1 0 00-1 1v6a1 1 0 102 0V8a1 1 0 00-1-1z"
                                                    clip-rule="evenodd"
                                                />
                                            </svg>
                                        </button>
                                    </div>
                                </div>
                            </div>
                        </div>
                        <div v-if="clients && clients.length === 0">
                            <p class="text-center m-10 text-gray-400 dark:text-neutral-400 text-sm">
                                There are no clients yet.<br /><br />
                                <button
                                    @click="
                                        clientCreate = true;
                                        clientCreateName = '';
                                    "
                                    class="bg-red-800 hover:bg-red-700 text-white border-2 border-none py-2 px-4 rounded inline-flex items-center transition"
                                >
                                    <svg
                                        class="w-4 mr-2"
                                        inline
                                        xmlns="http://www.w3.org/2000/svg"
                                        fill="none"
                                        viewBox="0 0 24 24"
                                        stroke="currentColor"
                                    >
                                        <path
                                            stroke-linecap="round"
                                            stroke-linejoin="round"
                                            stroke-width="2"
                                            d="M12 6v6m0 0v6m0-6h6m-6 0H6"
                                        />
                                    </svg>
                                    <span class="text-sm">New Client</span>
                                </button>
                            </p>
                        </div>
                        <div v-if="clients === null" class="text-gray-200 dark:text-red-300 p-5">
                            <svg
                                class="w-5 animate-spin mx-auto"
                                xmlns="http://www.w3.org/2000/svg"
                                viewBox="0 0 24 24"
                                fill="currentColor"
                            >
                                <circle
                                    class="opacity-25"
                                    cx="12"
                                    cy="12"
                                    r="10"
                                    stroke="currentColor"
                                    stroke-width="4"
                                ></circle>
                                <path
                                    class="opacity-75"
                                    fill="currentColor"
                                    d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
                                ></path>
                            </svg>
                        </div>
                    </div>
                </div>

                <!-- QR Code-->
                <div v-if="qrcode">
                    <div
                        class="bg-black bg-opacity-50 fixed top-0 right-0 left-0 bottom-0 flex items-center justify-center z-20"
                    >
                        <div class="bg-white rounded-md shadow-lg relative p-8">
                            <button
                                @click="qrcode = null"
                                class="absolute right-4 top-4 text-gray-600 dark:text-neutral-500 hover:text-gray-800 dark:hover:text-neutral-700"
                            >
                                <svg
                                    class="w-8"
                                    xmlns="http://www.w3.org/2000/svg"
                                    fill="none"
                                    viewBox="0 0 24 24"
                                    stroke="currentColor"
                                >
                                    <path
                                        stroke-linecap="round"
                                        stroke-linejoin="round"
                                        stroke-width="2"
                                        d="M6 18L18 6M6 6l12 12"
                                    />
                                </svg>
                            </button>
                            <img :src="qrcode" />
                        </div>
                    </div>
                </div>

                <!-- Create Dialog -->
                <div v-if="clientCreate" class="fixed z-10 inset-0 overflow-y-auto">
                    <div
                        class="flex items-center justify-center min-h-screen pt-4 px-4 pb-20 text-center sm:block sm:p-0"
                    >
                        <!--
  Background overlay, show/hide based on modal state.

  Entering: "ease-out duration-300"
    From: "opacity-0"
    To: "opacity-100"
  Leaving: "ease-in duration-200"
    From: "opacity-100"
    To: "opacity-0"
-->
                        <div class="fixed inset-0 transition-opacity" aria-hidden="true">
                            <div class="absolute inset-0 bg-gray-500 dark:bg-black opacity-75 dark:opacity-50"></div>
                        </div>

                        <!-- This element is to trick the browser into centering the modal contents. -->
                        <span class="hidden sm:inline-block sm:align-middle sm:h-screen" aria-hidden="true"
                            >&#8203;</span
                        >
                        <!--
  Modal panel, show/hide based on modal state.

  Entering: "ease-out duration-300"
    From: "opacity-0 tranneutral-y-4 sm:tranneutral-y-0 sm:scale-95"
    To: "opacity-100 tranneutral-y-0 sm:scale-100"
  Leaving: "ease-in duration-200"
    From: "opacity-100 tranneutral-y-0 sm:scale-100"
    To: "opacity-0 tranneutral-y-4 sm:tranneutral-y-0 sm:scale-95"
-->
                        <div
                            class="inline-block align-bottom bg-white dark:bg-neutral-700 rounded-lg text-left overflow-hidden shadow-xl transform transition-all sm:my-8 sm:align-middle sm:max-w-lg w-full"
                            role="dialog"
                            aria-modal="true"
                            aria-labelledby="modal-headline"
                        >
                            <div class="bg-white dark:bg-neutral-700 px-4 pt-5 pb-4 sm:p-6 sm:pb-4">
                                <div class="sm:flex sm:items-start">
                                    <div
                                        class="mx-auto flex-shrink-0 flex items-center justify-center h-12 w-12 rounded-full bg-red-800 sm:mx-0 sm:h-10 sm:w-10"
                                    >
                                        <svg
                                            class="h-6 w-6 text-white"
                                            inline
                                            xmlns="http://www.w3.org/2000/svg"
                                            fill="none"
                                            viewBox="0 0 24 24"
                                            stroke="currentColor"
                                        >
                                            <path
                                                stroke-linecap="round"
                                                stroke-linejoin="round"
                                                stroke-width="2"
                                                d="M12 6v6m0 0v6m0-6h6m-6 0H6"
                                            />
                                        </svg>
                                    </div>
                                    <div class="flex-grow mt-3 text-center sm:mt-0 sm:ml-4 sm:text-left">
                                        <h3
                                            class="text-lg leading-6 font-medium text-gray-900 dark:text-neutral-200"
                                            id="modal-headline"
                                        >
                                            New Client
                                        </h3>
                                        <div class="mt-2">
                                            <p class="text-sm text-gray-500">
                                                <input
                                                    class="rounded p-2 border-2 dark:bg-neutral-700 dark:text-neutral-200 border-gray-100 dark:border-neutral-600 focus:border-gray-200 focus:dark:border-neutral-500 dark:placeholder:text-neutral-400 outline-none w-full"
                                                    type="text"
                                                    v-model.trim="clientCreateName"
                                                    placeholder="Name"
                                                />
                                            </p>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            <div class="bg-gray-50 dark:bg-neutral-700 px-4 py-3 sm:px-6 sm:flex sm:flex-row-reverse">
                                <button
                                    v-if="clientCreateName.length"
                                    type="button"
                                    @click="
                                        createClient();
                                        clientCreate = null;
                                    "
                                    class="w-full inline-flex justify-center rounded-md border border-transparent shadow-sm px-4 py-2 bg-red-800 text-base font-medium text-white hover:bg-red-700 focus:outline-none sm:ml-3 sm:w-auto sm:text-sm"
                                >
                                    Create
                                </button>
                                <button
                                    v-else
                                    type="button"
                                    class="w-full inline-flex justify-center rounded-md border border-transparent shadow-sm px-4 py-2 bg-gray-200 dark:bg-neutral-400 text-base font-medium text-white dark:text-neutral-300 sm:ml-3 sm:w-auto sm:text-sm cursor-not-allowed"
                                >
                                    Create
                                </button>
                                <button
                                    type="button"
                                    @click="clientCreate = null"
                                    class="mt-3 w-full inline-flex justify-center rounded-md border border-gray-300 dark:border-neutral-500 shadow-sm px-4 py-2 bg-white dark:bg-neutral-500 text-base font-medium text-gray-700 dark:text-neutral-50 hover:bg-gray-50 dark:hover:bg-neutral-600 dark:hover:border-neutral-600 focus:outline-none sm:mt-0 sm:ml-3 sm:w-auto sm:text-sm"
                                >
                                    Cancel
                                </button>
                            </div>
                        </div>
                    </div>
                </div>

                <!-- Delete Dialog -->
                <div v-if="clientDelete" class="fixed z-10 inset-0 overflow-y-auto">
                    <div
                        class="flex items-center justify-center min-h-screen pt-4 px-4 pb-20 text-center sm:block sm:p-0"
                    >
                        <!--
  Background overlay, show/hide based on modal state.

  Entering: "ease-out duration-300"
    From: "opacity-0"
    To: "opacity-100"
  Leaving: "ease-in duration-200"
    From: "opacity-100"
    To: "opacity-0"
-->
                        <div class="fixed inset-0 transition-opacity" aria-hidden="true">
                            <div class="absolute inset-0 bg-gray-500 dark:bg-black opacity-75 dark:opacity-50"></div>
                        </div>

                        <!-- This element is to trick the browser into centering the modal contents. -->
                        <span class="hidden sm:inline-block sm:align-middle sm:h-screen" aria-hidden="true"
                            >&#8203;</span
                        >
                        <!--
  Modal panel, show/hide based on modal state.

  Entering: "ease-out duration-300"
    From: "opacity-0 tranneutral-y-4 sm:tranneutral-y-0 sm:scale-95"
    To: "opacity-100 tranneutral-y-0 sm:scale-100"
  Leaving: "ease-in duration-200"
    From: "opacity-100 tranneutral-y-0 sm:scale-100"
    To: "opacity-0 tranneutral-y-4 sm:tranneutral-y-0 sm:scale-95"
-->
                        <div
                            class="inline-block align-bottom bg-white dark:bg-neutral-700 rounded-lg text-left overflow-hidden shadow-xl transform transition-all sm:my-8 sm:align-middle sm:max-w-lg w-full"
                            role="dialog"
                            aria-modal="true"
                            aria-labelledby="modal-headline"
                        >
                            <div class="bg-white dark:bg-neutral-700 px-4 pt-5 pb-4 sm:p-6 sm:pb-4">
                                <div class="sm:flex sm:items-start">
                                    <div
                                        class="mx-auto flex-shrink-0 flex items-center justify-center h-12 w-12 rounded-full bg-red-100 sm:mx-0 sm:h-10 sm:w-10"
                                    >
                                        <!-- Heroicon name: outline/exclamation -->
                                        <svg
                                            class="h-6 w-6 text-red-600"
                                            xmlns="http://www.w3.org/2000/svg"
                                            fill="none"
                                            viewBox="0 0 24 24"
                                            stroke="currentColor"
                                            aria-hidden="true"
                                        >
                                            <path
                                                stroke-linecap="round"
                                                stroke-linejoin="round"
                                                stroke-width="2"
                                                d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"
                                            />
                                        </svg>
                                    </div>
                                    <div class="mt-3 text-center sm:mt-0 sm:ml-4 sm:text-left">
                                        <h3
                                            class="text-lg leading-6 font-medium text-gray-900 dark:text-neutral-200"
                                            id="modal-headline"
                                        >
                                            Delete Client
                                        </h3>
                                        <div class="mt-2">
                                            <p class="text-sm text-gray-500 dark:text-neutral-300">
                                                Are you sure you want to delete <strong>{{ clientDelete.name }}</strong
                                                >? This action cannot be undone.
                                            </p>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            <div class="bg-gray-50 dark:bg-neutral-600 px-4 py-3 sm:px-6 sm:flex sm:flex-row-reverse">
                                <button
                                    type="button"
                                    @click="
                                        deleteClient(clientDelete);
                                        clientDelete = null;
                                    "
                                    class="w-full inline-flex justify-center rounded-md border border-transparent shadow-sm px-4 py-2 bg-red-600 dark:bg-red-600 text-base font-medium text-white dark:text-white hover:bg-red-700 dark:hover:bg-red-700 focus:outline-none sm:ml-3 sm:w-auto sm:text-sm"
                                >
                                    Delete
                                </button>
                                <button
                                    type="button"
                                    @click="clientDelete = null"
                                    class="mt-3 w-full inline-flex justify-center rounded-md border border-gray-300 dark:border-neutral-500 shadow-sm px-4 py-2 bg-white dark:bg-neutral-500 text-base font-medium text-gray-700 dark:text-neutral-50 hover:bg-gray-50 dark:hover:bg-neutral-600 dark:hover:border-neutral-600 focus:outline-none sm:mt-0 sm:ml-3 sm:w-auto sm:text-sm"
                                >
                                    Cancel
                                </button>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <div v-if="authenticated === false">
                <h1 class="text-4xl font-medium my-16 text-gray-700 dark:text-neutral-200 text-center">WireGuard</h1>

                <form
                    @submit="login"
                    class="shadow rounded-md bg-white dark:bg-neutral-700 mx-auto w-64 p-5 overflow-hidden mt-10"
                >
                    <!-- Avatar -->
                    <div
                        class="h-20 w-20 mb-10 mt-5 mx-auto rounded-full bg-red-800 dark:bg-red-800 relative overflow-hidden"
                    >
                        <svg
                            class="w-10 h-10 m-5 text-white dark:text-white"
                            xmlns="http://www.w3.org/2000/svg"
                            viewBox="0 0 20 20"
                            fill="currentColor"
                        >
                            <path
                                fill-rule="evenodd"
                                d="M10 9a3 3 0 100-6 3 3 0 000 6zm-7 9a7 7 0 1114 0H3z"
                                clip-rule="evenodd"
                            />
                        </svg>
                    </div>

                    <input
                        type="password"
                        name="password"
                        placeholder="Password"
                        v-model="password"
                        class="px-3 py-2 text-sm dark:bg-neutral-700 text-gray-500 dark:text-gray-500 mb-5 border-2 border-gray-100 dark:border-neutral-800 rounded-lg w-full focus:border-red-800 dark:focus:border-red-800 dark:placeholder:text-neutral-400 outline-none"
                    />

                    <button
                        v-if="authenticating"
                        class="bg-red-800 dark:bg-red-800 w-full rounded shadow py-2 text-sm text-white dark:text-white cursor-not-allowed"
                    >
                        <svg
                            class="w-5 animate-spin mx-auto"
                            xmlns="http://www.w3.org/2000/svg"
                            viewBox="0 0 24 24"
                            fill="currentColor"
                        >
                            <circle
                                class="opacity-25"
                                cx="12"
                                cy="12"
                                r="10"
                                stroke="currentColor"
                                stroke-width="4"
                            ></circle>
                            <path
                                class="opacity-75"
                                fill="currentColor"
                                d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
                            ></path>
                        </svg>
                    </button>
                    <input
                        v-if="!authenticating && password"
                        type="submit"
                        class="bg-red-800 dark:bg-red-800 w-full rounded shadow py-2 text-sm text-white dark:text-white hover:bg-red-700 dark:hover:bg-red-700 transition cursor-pointer"
                        value="Sign In"
                    />
                    <input
                        v-if="!authenticating && !password"
                        type="submit"
                        class="bg-gray-200 dark:bg-neutral-800 w-full rounded shadow py-2 text-sm text-white dark:text-white cursor-not-allowed"
                        value="Sign In"
                    />
                </form>
            </div>

            <div v-if="authenticated === null" class="text-gray-300 dark:text-red-300 pt-24 pb-12">
                <svg
                    class="w-5 animate-spin mx-auto"
                    xmlns="http://www.w3.org/2000/svg"
                    viewBox="0 0 24 24"
                    fill="currentColor"
                >
                    <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
                    <path
                        class="opacity-75"
                        fill="currentColor"
                        d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
                    ></path>
                </svg>
            </div>
        </div>

        <p v-cloak class="text-center m-10 text-gray-300 dark:text-neutral-600 text-xs">
            Made by
            <a target="_blank" class="hover:underline" href="https://emilenijssen.nl/?ref=wg-easy">Emile Nijssen</a> ·
            <a class="hover:underline" href="https://github.com/sponsors/WeeJeWel" target="_blank">Donate</a> ·
            <a class="hover:underline" href="https://github.com/wg-easy/wg-easy" target="_blank">GitHub</a>
        </p>
    </main>
</template>
