#!/bin/bash
# LinuxGSM alert_discord.sh function
# Author: Daniel Gibbs
# Contributor: faflfama
# Website: https://linuxgsm.com
# Description: Sends Discord alert.

if ! command -v jq > /dev/null; then
    fn_print_fail_nl "Sending Discord alert: jq is missing."
    fn_script_log_fatal "Sending Discord alert: jq is missing."
fi

EscapedServername="$(echo -n "${servername}" | jq -sRr "@json")"
EscapedAlertBody="$(echo -n "${alertbody}" | jq -sRr "@json")"

echo "$servername" > /tmp/servername

json=$(cat <<EOF
{
    "username":"LinuxGSM",
    "avatar_url":"https://raw.githubusercontent.com/${githubuser}/${githubrepo}/${githubbranch}/data/alert_discord_logo.png",
    "file":"content",

    "embeds": [{
        "color": "2067276",
        "author": {"name": "${alertemoji} ${alertsubject}", "icon_url": "https://raw.githubusercontent.com/${githubuser}/${githubrepo}/${githubbranch}/lgsm/data/alert_discord_logo.png"},
        "title": "",
        "description": ${EscapedAlertBody},
        "url": "",
        "type": "content",
        "thumbnail": {},
        "footer": {"text": "Hostname: ${HOSTNAME} / More info: ${alerturl}", "icon_url": ""},
        "fields": [
            {
                "name": "Game",
                "value": "${gamename}",
                "inline": true
            },
            {
                "name": "Server IP",
                "value": "[${extip:-$ip}:${port}](https://www.gametracker.com/server_info/${extip:-$ip}:${port})",
                "inline": true
            },
            {
                "name": "Server name",
                "value": ${EscapedServername},
                "inline": true
            }
        ]
    }]
}
EOF
)

fn_print_dots "Sending Discord alert"

minified="$(echo -n "$json" | jq -c .)"

echo "$minified" > /tmp/json

discordsend=$(${curlpath} -sSL -H "Content-Type: application/json" -X POST -d "${minified}" "${discordwebhook}")

if [ -n "${discordsend}" ]; then
    fn_print_fail_nl "Sending Discord alert: ${discordsend}"
    fn_script_log_fatal "Sending Discord alert: ${discordsend}"
else
    fn_print_ok_nl "Sending Discord alert"
    fn_script_log_pass "Sending Discord alert"
fi