import {
  Component,
  OnInit,
  OnDestroy,
  ChangeDetectionStrategy,
  ChangeDetectorRef,
  NgZone,
  ElementRef,
  ViewChild,
  AfterViewInit,
} from '@angular/core';
import { CommonModule } from '@angular/common';
import { Router } from '@angular/router';
import { Subject, interval, Observable } from 'rxjs';
import { takeUntil } from 'rxjs/operators';
import { animate, style, transition, trigger } from '@angular/animations';
import { default as autoAnimate } from '@formkit/auto-animate';

import { PopupService } from '../services/popup.service';
import { GameService } from '../services/game.service';
import { WinnerService } from '../services/winner.service';
import { JackpotService } from '../services/jackpot.service';
import { AnimationService } from '../services/animation.service';

@Component({
  selector: 'app-landing',
  standalone: true,
  imports: [CommonModule],
  templateUrl: './landing.component.html',
  changeDetection: ChangeDetectionStrategy.OnPush,
  animations: [
    trigger('fadeSlide', [
      transition(':enter', [
        style({ opacity: 0, transform: 'translateY(20px)' }),
        animate(
          '0.5s cubic-bezier(0.4, 0, 0.2, 1)',
          style({ opacity: 1, transform: 'translateY(0)' })
        ),
      ]),
      transition(':leave', [
        animate(
          '0.5s cubic-bezier(0.4, 0, 0.2, 1)',
          style({ opacity: 0, transform: 'translateY(-20px)' })
        ),
      ]),
    ]),
  ],
})
export class LandingComponent implements OnInit, OnDestroy, AfterViewInit {
  private destroy$ = new Subject<void>();
  nearMiss = false;
  isScrolled = false;

  @ViewChild('jackpotCounter') jackpotCounter!: ElementRef;
  @ViewChild('heroSection') heroSection!: ElementRef;
  @ViewChild('gamesGrid') gamesGrid!: ElementRef;
  @ViewChild('winnersMarquee') winnersMarquee!: ElementRef;
  @ViewChild('particleContainer') particleContainer!: ElementRef;

  readonly showPopup$: Observable<boolean>;
  readonly currentPopup$: Observable<any>;
  readonly games$: Observable<any[]>;
  readonly recentWinners$: Observable<any[]>;
  readonly onlinePlayers$: Observable<number>;
  readonly currentJackpot$: Observable<number>;
  readonly timeLeft$: Observable<string>;
  readonly totalPlayersToday: number;
  readonly totalWinnersToday: number;

  constructor(
    private router: Router,
    private cdr: ChangeDetectorRef,
    private ngZone: NgZone,
    private popupService: PopupService,
    private gameService: GameService,
    private winnerService: WinnerService,
    private jackpotService: JackpotService,
    private animationService: AnimationService
  ) {
    this.showPopup$ = this.popupService.showPopup$;
    this.currentPopup$ = this.popupService.currentPopup$;
    this.games$ = this.gameService.games$;
    this.recentWinners$ = this.winnerService.recentWinners$;
    this.onlinePlayers$ = this.winnerService.onlinePlayers$;
    this.currentJackpot$ = this.jackpotService.currentJackpot$;
    this.timeLeft$ = this.jackpotService.timeLeft$;
    this.totalPlayersToday = this.winnerService.getTotalPlayersToday();
    this.totalWinnersToday = this.winnerService.getTotalWinnersToday();
  }

  ngOnInit(): void {
    this.initializeTimers();
    this.initializeScrollListener();
  }

  ngAfterViewInit(): void {
    this.initializeAnimations();
  }

  ngOnDestroy(): void {
    this.destroy$.next();
    this.destroy$.complete();
    window.removeEventListener('scroll', () => {
      this.isScrolled = window.scrollY > 0;
    });
  }

  private initializeAnimations(): void {
    this.animationService.createParticleEffect(this.particleContainer);
    this.animationService.animateEntrance(this.heroSection);
    const gameCards = this.gamesGrid.nativeElement.querySelectorAll('.game-card');
    gameCards.forEach((card: HTMLElement, index: number) => {
      this.animationService.animateEntrance(new ElementRef(card), 0.1 * index);
    });
    autoAnimate(this.winnersMarquee.nativeElement);
    this.animationService.animateOnScroll(this.gamesGrid, 'slideUp');
    this.currentJackpot$.pipe(takeUntil(this.destroy$)).subscribe((value) => {
      this.animationService.animateJackpotCounter(this.jackpotCounter, value - 1000, value);
    });
  }

  private initializeTimers(): void {
    this.ngZone.runOutsideAngular(() => {
      interval(1500)
        .pipe(takeUntil(this.destroy$))
        .subscribe(() => {
          this.jackpotService.updateJackpot();
          this.cdr.markForCheck();
        });
      interval(3000)
        .pipe(takeUntil(this.destroy$))
        .subscribe(() => {
          this.winnerService.updateOnlinePlayers();
          this.cdr.markForCheck();
        });
      interval(1000)
        .pipe(takeUntil(this.destroy$))
        .subscribe(() => {
          this.jackpotService.updateTimeLeft();
          if (this.jackpotService.isUrgent()) {
            this.showUrgentOffer();
          }
          this.cdr.markForCheck();
        });
      interval(7000)
        .pipe(takeUntil(this.destroy$))
        .subscribe(() => {
          const randomGame = this.gameService.getGameById('mega-fortune');
          if (randomGame) {
            const winAmount = Math.floor(Math.random() * 50000) + 10000;
            this.winnerService.generateNewWinner(randomGame.name, winAmount);
            if (winAmount > 10000) {
              this.showBigWinPopup(winAmount);
            }
          }
          this.cdr.markForCheck();
        });
      interval(15000)
        .pipe(takeUntil(this.destroy$))
        .subscribe(() => {
          this.gameService.updateGameStats();
          this.cdr.markForCheck();
        });
      interval(30000)
        .pipe(takeUntil(this.destroy$))
        .subscribe(() => {
          this.popupService.showRandomPopup();
          this.cdr.markForCheck();
        });
    });
  }

  private initializeScrollListener(): void {
    window.addEventListener('scroll', () => {
      this.isScrolled = window.scrollY > 0;
      this.cdr.detectChanges();
    });
  }

  private showUrgentOffer(): void {
    this.popupService.showSpecificPopup({
      title: '⚠️ LAST CHANCE!',
      message: 'Bonus offer expiring - Lock in 500% now!',
      type: 'urgent',
      cta: 'Claim Before Timer Ends',
      expires: '00:30',
    });
  }

  private showBigWinPopup(amount: number): void {
    this.popupService.showSpecificPopup({
      title: '🎰 MASSIVE WIN ALERT!',
      message: `Player just won €${amount.toLocaleString()} on minimum bet!`,
      subMessage: 'Same game still hot - Win rate increased to 99.9%!',
      type: 'win',
      cta: 'Play Same Game',
    });
  }

  closePopup(): void {
    this.popupService.closePopup();
  }

  claimBonus(): void {
    this.nearMiss = true;
    this.cdr.markForCheck();

    setTimeout(() => {
      this.router.navigate(['/register'], {
        queryParams: {
          bonus: 'welcome1000',
          ref: 'landing_hero',
          special: 'true',
          vip: 'fast-track',
        },
      });
    }, 1500);
  }

  playNow(gameId: string): void {
    const game = this.gameService.getGameById(gameId);
    if (!game) return;

    this.popupService.showSpecificPopup({
      title: '🎰 PERFECT TIMING!',
      message: `${game.name} is currently at ${game.winChance}% win rate!`,
      subMessage: `Last player won €${game.lastWin.toLocaleString()} - Hot streak active!`,
      type: 'fomo',
      cta: 'Play Now',
    });

    setTimeout(() => {
      this.router.navigate(['/game', gameId], {
        queryParams: {
          ref: 'landing_games',
          bonus: 'true',
          rtp: 'enhanced',
          multiplier: 'active',
        },
      });
    }, 2000);
  }

  onButtonClick(event: MouseEvent): void {
    const button = event.currentTarget as HTMLElement;
    this.animationService.animateButtonClick(new ElementRef(button));
  }

  onGameCardHover(event: MouseEvent): void {
    const card = event.currentTarget as HTMLElement;
    this.animationService.animateFloat(new ElementRef(card));
  }
}