import {Component, OnInit} from "@angular/core";
import {HttpClient} from "@angular/common/http";
import {PacketGroup} from "../../entities/PacketGroup";
import {Chart} from "chart.js/auto";
import {devicesToRequest, numToColor} from "../../utils/Utils";
import {KeyValueMap} from "../../entities/KeyValueMap";
import {NodeDTO} from "../../entities/NodeDTO";
import {ActivatedRoute} from "@angular/router";
import {PacketSignalDTO} from "../../entities/PacketSignalDTO";
import {DatePipe} from "@angular/common";

@Component({
  selector: "app-network-status",
  template: `
    <div class="width-vw width-padding">
      <div [ngSwitch]="MODE">
        <h1 *ngSwitchCase="'ALL'">Статистика всей сети (желательно нажать ф5 если до этого смотрели другую ноду)</h1>
        <h1 *ngSwitchCase="'NODE'">Статистика ноды {{getNumName(NUM)}} в сети</h1>
      </div>
      <div *ngIf="MODE == 'NODE'">
        <div>
          <mat-card>
            <mat-card-actions>
              <mat-radio-group [(ngModel)]="signalMode" (ngModelChange)="this.updateSignalGraph()" aria-label="Select an option">
                <mat-radio-button value="day">За день</mat-radio-button>
                <mat-radio-button value="week">За неделю</mat-radio-button>
                <mat-radio-button value="month">За месяц</mat-radio-button>
              </mat-radio-group>
            </mat-card-actions>
            <mat-card-content>
              <canvas [id]="signalCanvasId">{{signalChart}}</canvas>
            </mat-card-content>
          </mat-card>
        </div>
      </div>
      <div *ngFor="let type of graphs" >
        <div *ngIf="MODE == type.requestMode" class="card-wrapper-450" style="padding-top: 12px">
          <mat-card *ngFor="let p1 of type.cards">
            <mat-card-content>
              <canvas [id]="p1.canvasId">{{p1.chart}}</canvas>
            </mat-card-content>
          </mat-card>
        </div>
      </div>
    </div>
  `
})
export class NetworkStatusComponent implements OnInit {
  DAY = 86400;
  WEEK = this.DAY * 7;
  MONTH = this.DAY * 30;
  MODE: "ALL"|"NODE" = "ALL"
  NUM:number = 0;

  signalMode:"day"|"month"|"week"|string = "day"
  signalCanvasId = "signalCanvasId";
  signalChart = {
    chart: null as unknown as Chart,
    config: this.generateConfigTChart("Проходимость сигнала", true, "line") as any
  };

  nodesNames: KeyValueMap<NodeDTO> = {}

  //общая статичтика по perPortNum за день\неделю\месяц / ?=
  //top кто насрал пакетами всего за день\неделю\месяц / ?=packetsSumNode=true
  graphs:any[] = this.generateGraps();
  constructor(private http: HttpClient,
              private route: ActivatedRoute,
              private datepipe: DatePipe) {}

  getNumName(num:number) {
    if (`${num}` in this.nodesNames)
      return this.nodesNames[`${num}`].long_name
    else return `${num}`
  }

  generateGraps() {
    return [
      {
        header: "Cтатистика пакетов в сети",
        type: 'perPortNum',
        requestMode: "ALL",
        endpoint:"api/packet/stats",
        cards:[{
          chart: null as unknown as Chart,
          canvasId: "DayPerPB",
          params: "?=",
          before: new Date().getTime()/1000,
          after: (new Date().getTime()/1000) - this.DAY,
          config: this.generateConfigTChart("Cтатистика по пакетам в сети за день")
        },{
          chart: null as unknown as Chart,
          canvasId: "WeekPerPB",
          params: "?=",
          before: new Date().getTime()/1000,
          after: (new Date().getTime()/1000) - this.WEEK,
          config: this.generateConfigTChart("Cтатистика по пакетам в сети за неделю")
        },{
          chart: null as unknown as Chart,
          canvasId: "MonthPerPB",
          params: "?=",
          before: new Date().getTime()/1000,
          after: (new Date().getTime()/1000) - this.MONTH,
          config: this.generateConfigTChart("Cтатистика по пакетам в сети за месяц")
        }]
      },
      {
        header: "Общая статистика пакетов в сети",
        type: 'perSumNode',
        requestMode: "ALL",
        endpoint:"api/packet/stats",
        cards:[{
          chart: null as unknown as Chart,
          canvasId: "DaySumPB",
          params: "?packetsSumNode=true",
          before: new Date().getTime()/1000,
          after: (new Date().getTime()/1000) - this.DAY,
          config: this.generateConfigTChart("Количество пакетов от пользоватей за день", false)
        },{
          chart: null as unknown as Chart,
          canvasId: "WeekSumPB",
          params: "?packetsSumNode=true",
          before: new Date().getTime()/1000,
          after: (new Date().getTime()/1000) - this.WEEK,
          config: this.generateConfigTChart("Количество пакетов от пользоватей за неделю", false)
        },{
          chart: null as unknown as Chart,
          canvasId: "MonthSumPB",
          params: "?packetsSumNode=true",
          before: new Date().getTime()/1000,
          after: (new Date().getTime()/1000) - this.MONTH,
          config: this.generateConfigTChart("Количество пакетов от пользоватей за месяц", false)
        }]
      },{
        header: "Cтатистика пакетов в сети",
        type: 'packetsPerNode',
        requestMode: "NODE",
        endpoint:"api/packet/stats",
        cards:[{
          chart: null as unknown as Chart,
          canvasId: "DayPerNodePB",
          params: "?packetsPerNode=true",
          before: new Date().getTime()/1000,
          after: (new Date().getTime()/1000) - this.DAY,
          config: this.generateConfigTChart("Cтатистика по пакетам в сети за день")
        },{
          chart: null as unknown as Chart,
          canvasId: "WeekPerNodePB",
          params: "?packetsPerNode=true",
          before: new Date().getTime()/1000,
          after: (new Date().getTime()/1000) - this.WEEK,
          config: this.generateConfigTChart("Cтатистика по пакетам в сети за неделю")
        },{
          chart: null as unknown as Chart,
          canvasId: "MonthPerNodePB",
          params: "?packetsPerNode=true",
          before: new Date().getTime()/1000,
          after: (new Date().getTime()/1000) - this.MONTH,
          config: this.generateConfigTChart("Cтатистика по пакетам в сети за месяц")
        }]
      }
    ]
  }

  generateConfigTChart(name: string, legend: boolean = true, type: string = "pie") {
    return {
      type: type,
      data: {
        labels: [] as any[],
        datasets: [] as any[]
      },
      options: {
        responsive: true,
          plugins: {
          legend: {
            position: 'bottom',
            display: legend
          },
          title: {
            display: true,
            text: name
          }
        }
      }
    }
  }

  ngOnInit(): void {
    this.route.params.subscribe(
      (params) => {
        const num: number = Number.parseInt(params["num"]);
        switch (num) {
          case 0: {
            this.MODE = "ALL";
            this.http.get(`api/nodes/list?q=${devicesToRequest()}`).subscribe(
              (obj) => {
                (obj as NodeDTO[]).forEach(
                  (node) => {
                    this.nodesNames[`${node.num}`] = node;
                  }
                )
              }
            ).add(
              () => {
                this.graphs = this.generateGraps();
                this.updateGraphs();
              }
            )
            break;
          }
          default: {
            this.MODE = "NODE";
            this.NUM = num;
            this.http.get(`api/nodes/${num}?q=${devicesToRequest()}`).subscribe(
              (obj) => {
                const node: NodeDTO = obj as NodeDTO
                if (node)
                  this.nodesNames[`${node.num}`] = node;
              }
            ).add(
              () => {
                this.graphs = this.generateGraps();
                this.updateGraphs();
                this.updateSignalGraph();
              }
            )
            break;
          }
        }
      })
  }

  updateSignalGraph() {
    const before = new Date().getTime() / 1000;
    let after;
    switch (this.signalMode) {
      case "day": {
        after = (new Date().getTime()/1000) - this.DAY;
        break;
      }
      case "week": {
        after = (new Date().getTime()/1000) - this.WEEK;
        break;
      }
      case "month": {
        after = (new Date().getTime()/1000) - this.MONTH;
        break;
      }
    }
    this.http.get(`api/packet/signal?before=${before}&after=${after}&nums=${this.NUM}${devicesToRequest()}`).subscribe(
      (obj) => {
        this.signalChart.config.data = {labels: [], datasets:[{label: "snr",data:[]},{label: "rssi",data:[]}]};
        (obj as PacketSignalDTO[]).forEach(
          (packet: PacketSignalDTO) => {
            this.signalChart.config.data.labels.push(this.datepipe.transform(packet.ts*1000, 'HH:mm dd.MM.yyyy'))
            this.signalChart.config.data.datasets[0].data.push(packet.rx_snr)
            this.signalChart.config.data.datasets[1].data.push(packet.rx_rssi)
            return;
          }
        )
        if (this.signalChart.chart != null)
          this.signalChart.chart.destroy()

        this.signalChart.chart = new Chart(this.signalCanvasId, this.signalChart.config)
      }
    )
  }

  updateGraphs() {
    this.graphs.forEach(
      (graph) => {
        graph.cards.forEach((settings:any) => {
          if (this.MODE != graph.requestMode) return;
          this.http.get(`${graph.endpoint}${settings.params}&before=${settings.before}&after=${settings.after}&${this.NUM == 0?'':('&nums='+this.NUM)}${devicesToRequest()}`)
            .subscribe((data) => {
              settings.config.data = {
                labels: [],
                datasets: [
                  {
                    label: settings.canvasId,
                    data: [],
                    backgroundColor: []
                  }
                ]
              };
              (data as Object[]).map((obj) => PacketGroup.fromDto(obj)).sort((p1, p2) => p2.count - p1.count).forEach(
                (d) => {
                  switch (graph.type) {
                    case "perPortNum":
                    case "packetsPerNode":{
                      settings.config.data.labels.push(`${d.portnumName} - ${d.count}`)
                      settings.config.data.datasets[0].data.push(d.count)
                      settings.config.data.datasets[0].backgroundColor.push(numToColor(d.portnum, 0))
                      break;
                    }
                    case "perSumNode": {
                      const name = `${d.from}` in this.nodesNames ? this.nodesNames[`${d.from}`].long_name : `${d.from}`
                      settings.config.data.labels.push(`${name} - ${d.count}`)
                      settings.config.data.datasets[0].data.push(d.count)
                      settings.config.data.datasets[0].backgroundColor.push(numToColor(d.from, 0))
                      break;
                    }
                    default: {
                      console.log("missing type: " + graph.type);
                      break;
                    }
                  }
                }
              )
              if (settings.chart)
                settings.chart.destroy()
              settings.chart = new Chart(settings.canvasId, settings.config)
            })
        })
      }
    )
  }
}