import {Component, OnDestroy, OnInit} from '@angular/core';
import {Subscription} from "rxjs/Subscription";
import {TimerObservable} from "rxjs/observable/TimerObservable";

import {KanbanService} from "./kanban/shared/kanban.service";
// import {ActivatedRoute, NavigationEnd, Router} from "@angular/router";
import {SelfUpdaterService} from "./kanban/shared/self-updater.service";
// import {TspInfoService} from "./tsp-info/shared/tsp-info.service";


const TIMER_DEPLOY_REFRESH = 30000;
const TIMER_JIRA_REFRESH = 60000;
// const TIMER_TSPINFO_REFRESH = 60000;
// const TIMER_PAGE_SWITCH_TICK = 1000;

/**
 * Page switch timer in seconds
 * @type {number}
 */
// const TIMESPENT_KANBAN = 120000;
// const TIMESPENT_TSPINFO = 30000;

// const PAGE_KANBAN = '/kanban';
// const PAGE_TSPINFO = '/tspinfopage';

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
    styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit, OnDestroy {
    // private currentPage: string = PAGE_KANBAN;
    // private lastNavOccured: number = Date.now();
    // private autoSwitchEnabled: boolean = true;

    private selfUpdateCheckerTimer: Subscription;
    private reloadKanbanTimer: Subscription;
    // private reloadTspInfoTimer: Subscription;
    // private pageSwitchTimer: Subscription;

    constructor(private selfUpdaterService: SelfUpdaterService,
                private kanbanService: KanbanService,
                // private tspInfoService: TspInfoService,
                // private router: Router,
                // private activatedRoute: ActivatedRoute
    ) {}

    /**
     * Initialize application timers:
     *  - selfUpdateCheckerTimer is used to see if there is a newer revision deployed on the server
     *  - reloadKanbanTimer is used to refresh the status of the jira board
     *  - pageSwitchTimer handles switching back and forth between page views
     */
    public ngOnInit() {
        let timer0 = TimerObservable.create(TIMER_DEPLOY_REFRESH, TIMER_JIRA_REFRESH);
        this.selfUpdateCheckerTimer = timer0.subscribe(() => {
            this.selfUpdaterService.checkAndReloadIfNecessary();
        });
        let timer1 = TimerObservable.create(TIMER_JIRA_REFRESH, TIMER_JIRA_REFRESH);
        this.reloadKanbanTimer = timer1.subscribe(() => {
            this.kanbanService.reload();
        });
        // let timer2 = TimerObservable.create(TIMER_TSPINFO_REFRESH, TIMER_TSPINFO_REFRESH);
        // this.reloadTspInfoTimer = timer2.subscribe(() => {
        //     this.tspInfoService.reload();
        // });

        // this.router.events
        //     .filter(e => e instanceof NavigationEnd)
        //     .map(() => {
        //         let route = this.activatedRoute;
        //         while (route.firstChild) {
        //             route = route.firstChild;
        //         }
        //         return route;
        //     })
        //     .filter((route) => route.outlet === 'primary')
        //     .mergeMap((route) => route.data)
        //     .subscribe(data => {
        //         if (!data['disableAutoSwitch']) {
        //             let timer4 = TimerObservable.create(TIMER_PAGE_SWITCH_TICK, TIMER_PAGE_SWITCH_TICK);
        //             this.pageSwitchTimer = timer4.subscribe(this.switchSubscriber.bind(this));
        //         }
        //     });
    }

    public ngOnDestroy() {
        this.selfUpdateCheckerTimer.unsubscribe();
        this.reloadKanbanTimer.unsubscribe();
        // this.reloadTspInfoTimer.unsubscribe();
        // if (this.pageSwitchTimer) {
        //     this.pageSwitchTimer.unsubscribe();
        // }
    }

    // private switchSubscriber() {
    //     let now = new Date();
    //     let weekDay = now.getDay();
    //     // on weekdays
    //     if (weekDay > 0 && weekDay < 6) {
    //         if (now.getHours() == 10) {
    //             if (this.autoSwitchEnabled && now.getMinutes() > 14) {
    //                 this.navigateToPage(PAGE_KANBAN);
    //                 this.autoSwitchEnabled = false;
    //             }
    //             if (!this.autoSwitchEnabled && now.getMinutes() > 30) {
    //                 this.autoSwitchEnabled = true;
    //             }
    //         }
    //     }
    //     if (this.autoSwitchEnabled) {
    //         let compareTimer: number = 0;
    //         let switchTo: string = '';
    //         switch (this.currentPage) {
    //             case PAGE_KANBAN:
    //                 compareTimer = TIMESPENT_KANBAN;
    //                 switchTo = PAGE_TSPINFO;
    //                 break;
    //             case PAGE_TSPINFO:
    //                 compareTimer = TIMESPENT_TSPINFO;
    //                 switchTo = PAGE_KANBAN;
    //                 break;
    //             default:
    //                 console.error("Unknown page in pageSwitcherTimer");
    //                 return false;
    //         }
    //         if ((Date.now() - this.lastNavOccured) > compareTimer) {
    //             this.navigateToPage(switchTo);
    //         }
    //     }
    // }
    //
    // private navigateToPage(page: string) {
    //     if (page != this.currentPage) {
    //         this.router.navigate([page]);
    //         this.currentPage = page;
    //         this.lastNavOccured = Date.now();
    //     }
    // }
}