import { CommonModule } from '@angular/common';
import { trigger, state, style, animate, transition } from '@angular/animations';
import { Component, AfterContentChecked, OnInit, OnDestroy, computed, signal, Signal } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { ActivatedRoute, Router, RouterModule } from '@angular/router';
import { MatButtonModule } from '@angular/material/button';
import { MatCardModule } from '@angular/material/card';
import { MatDividerModule } from '@angular/material/divider';
import { MatDialog, MatDialogModule } from '@angular/material/dialog';
import { MatExpansionModule } from '@angular/material/expansion';
import { MatIconModule } from '@angular/material/icon';
import { MatInputModule } from '@angular/material/input';
import { MatMenuModule } from '@angular/material/menu';
import { MatSliderModule } from '@angular/material/slider';
import { MatSnackBar, MatSnackBarConfig, MatSnackBarHorizontalPosition, MatSnackBarModule, MatSnackBarVerticalPosition } from '@angular/material/snack-bar';
import { Observable, Subscription } from 'rxjs';
import { take } from 'rxjs/operators';

import { JumpAddDialogComponent } from 'src/app/components/logbook/dialogs';
import { MenuItems, JumpTableComponent } from 'src/app/components/shared';
import { Errors, Jump, JumpListConfig, Range, User } from 'src/app/core/models';
import { JumpsService, JumpTableService, UserService } from 'src/app/core/services';
import data from 'src/jumps.json';
//import data from 'src/jumps_02.json';

@Component({
    standalone: true,
    imports: [
        CommonModule, RouterModule, FormsModule,
        MatButtonModule, MatCardModule, MatDividerModule, MatExpansionModule,
        MatIconModule, MatInputModule, MatMenuModule, MatDialogModule,
        MatSliderModule, MatSnackBarModule,
        JumpTableComponent
    ],
    selector: 'app-logbook',
    templateUrl: './logbook.component.html',
    styleUrl: './logbook.component.scss',
    animations: [
        trigger('flyInOut', [
            state('in', style({ transform: 'translateY(0)' })),
            transition('void => *', [
                style({ transform: 'translateY(-100%)' }),
                animate(200)
            ]),
            transition('* => void', [
                style({ transform: 'translateY(100%)' }),
                animate(200)
            ])
        ])
    ]
})
export class LogbookComponent implements OnInit, OnDestroy, AfterContentChecked {
    private _currentUser: Subscription = new Subscription();
    private _data: Subscription = new Subscription();
    private _lastjump: Subscription = new Subscription();
    private _lastjump$: Observable<Jump> = new Observable();
    public jumpsCount = 0;
    public errors!: Errors;
    public title = 'Carnet de sauts';
    public jump: Jump = {} as Jump;
    public lastJump: Jump = {} as Jump;
    public currentUser: User = {} as User;
    public listConfig: JumpListConfig = { type: 'all', filters: {} };
    public isAuthenticated = false;
    public isUser = true;
    public canModify = false;
    public isSubmitting = false;
    public tableRefresh = false;
    public jumpRefresh = false;
    public jumpsSinceHundred: Signal<number> = signal(0);
    public jumpsToHundred: Signal<number> = signal(100);
    public rangesMinMax: {
        numero: Range;
        taille: Range;
        participants: Range;
        hauteur: Range;
        year: Range;
    } = {
        numero: {start: 1, end: 100000},
        taille: {start: 1, end: 400},
        participants: {start: 1, end: 200},
        hauteur: {start: 0, end: 10000},
        year: {start: 1970, end: 2020}
    };

    constructor(
        private route: ActivatedRoute,
        private router: Router,
        private dialog: MatDialog,
        private snackBar: MatSnackBar,
        private _jumpsService: JumpsService,
        private _jumpTableService: JumpTableService,
        private _userService: UserService,
        public menuItems: MenuItems
    ) { }

    ngOnInit() {
        //this.importJumps();
        const data$: Observable<{isAuthenticated: boolean, lastjump: Jump}> = this.route.data as Observable<{isAuthenticated: boolean, lastjump: Jump}>;
        this._data = data$.subscribe((data: {isAuthenticated: boolean, lastjump: Jump}) => {
            this.isAuthenticated = data.isAuthenticated;
            if (!this.isAuthenticated) {
                this.router.navigateByUrl('/login');
                return;
            }

            const currentUser$: Observable<User> = this._userService.currentUser;
            this._currentUser = currentUser$.subscribe((userData: User) => {
                this.currentUser = userData;
                this.canModify = this.currentUser.role === 'Admin';
            });

            const currentYear: number = new Date().getFullYear();
            this.lastJump = data['lastjump'];
            this.rangesMinMax = {
                numero: {start: 1, end: data.lastjump.numero},
                taille: {start: data.lastjump.taille!, end: 230},
                participants: {start: 1, end: 20},
                hauteur: {start: 1000, end: 8000},
                year: {start: 2018, end: currentYear}
            }
            this.listConfig.filters.numeroRangeStart = this.rangesMinMax.numero.start;
            this.listConfig.filters.numeroRangeEnd = this.rangesMinMax.numero.end;
            this.listConfig.filters.tailleRangeStart = this.rangesMinMax.taille.start;
            this.listConfig.filters.tailleRangeEnd = this.rangesMinMax.taille.end;
            this.listConfig.filters.participantsRangeStart = this.rangesMinMax.participants.start;
            this.listConfig.filters.participantsRangeEnd = (this.rangesMinMax.participants.end / 2);
            this.listConfig.filters.hauteurRangeStart = this.rangesMinMax.hauteur.start;
            this.listConfig.filters.hauteurRangeEnd = this.rangesMinMax.hauteur.end;
            this.listConfig.filters.yearRangeStart = this.rangesMinMax.year.start;
            this.listConfig.filters.yearRangeEnd = this.rangesMinMax.year.end;
            this.jumpsSinceHundred = computed(() => (this.lastJump.numero % 100));
            this.jumpsToHundred = computed(() => (100 - this.jumpsSinceHundred()));
            /*
            this._lastjump$ = this._jumpsService.getLastJump();
            this._lastjump = this._lastjump$.subscribe((jump) => {
                const currentYear: number = new Date().getFullYear();
                this.lastJump = jump;
                this.rangesMinMax = {
                    numero: {start: 1, end: jump.numero},
                    taille: {start: jump.taille!, end: 230},
                    participants: {start: 1, end: 20},
                    hauteur: {start: 1000, end: 8000},
                    year: {start: 2018, end: currentYear}
                }
                this.listConfig.filters.numeroRangeStart = this.rangesMinMax.numero.start;
                this.listConfig.filters.numeroRangeEnd = this.rangesMinMax.numero.end;
                this.listConfig.filters.tailleRangeStart = this.rangesMinMax.taille.start;
                this.listConfig.filters.tailleRangeEnd = this.rangesMinMax.taille.end;
                this.listConfig.filters.participantsRangeStart = this.rangesMinMax.participants.start;
                this.listConfig.filters.participantsRangeEnd = (this.rangesMinMax.participants.end / 2);
                this.listConfig.filters.hauteurRangeStart = this.rangesMinMax.hauteur.start;
                this.listConfig.filters.hauteurRangeEnd = this.rangesMinMax.hauteur.end;
                this.listConfig.filters.yearRangeStart = this.rangesMinMax.year.start;
                this.listConfig.filters.yearRangeEnd = this.rangesMinMax.year.end;
                this.jumpsSinceHundred = computed(() => (this.lastJump.numero % 100));
                this.jumpsToHundred = computed(() => (100 - this.jumpsSinceHundred()));
            });
            */
        });
    }

    ngOnDestroy() {
        this._data.unsubscribe();
        this._currentUser.unsubscribe();
        this._lastjump.unsubscribe();
    }

    ngAfterContentChecked() {
        if (this.tableRefresh != this._jumpTableService.tableRefresh) {
            this.tableRefresh = this._jumpTableService.tableRefresh;
            this._lastjump$ = this._jumpsService.getLastJump();
            this._lastjump = this._lastjump$.subscribe((jump) => {
                this.lastJump = jump;
            });
            console.log('lastjump has been updated in logbook component');
        }
    }

    importJumps() {
        try {
            data.forEach((entry) => {
                Object.assign(this.jump, entry);
                this._jumpsService.save(this.jump)
                .pipe(take(1))
                .subscribe({
                    next: (jump) => {
                        console.log(`Le saut n°${jump.numero} a été ajouté !`, 'OK');
                    },
                    error: (err) => {
                        console.log(`Le saut n'a pas été ajouté !`, 'Error', err);
                        this.errors = err;
                    }
                });
            });
        } catch (error) {
            console.error(error);
        }
    }

    openAddDialog(): void {
        this.jump = <Jump>{};
        this.jump.numero = (this.lastJump.numero + 1);
        this.jump.sautants = [];
        this.jump.participants = 1;
        const dialogRef = this.dialog.open(JumpAddDialogComponent, {
            width: '70vw',
            data: {jump: this.jump, lastJump: this.lastJump}
        });
        dialogRef.afterClosed().pipe(take(1))
        .subscribe(result => {
            if (result != undefined) {
                this._onEntry(result);
            }
        });
    }

    setTotalResults(value: number): void {
        this.jumpsCount = value;
    }

    private _onEntry(jumps: Array<Jump>): void {
        const max: number = jumps.length;
        let refresh: boolean = false;
        jumps.forEach((jump: Jump, index: number) => {
            console.log('Ajout du saut', jump.numero);
            Object.assign(this.jump, jump);
            if (max == index+1) {
                refresh = true;
            }
            this._saveJump(jump, refresh);
        });
    }

    private _saveJump(jump: Jump, refresh: boolean) {
        this._jumpsService.save(jump)
        .pipe(take(1))
        .subscribe({
            next: (jump) => {
                this._openSnackBar(`Le saut n°${jump.numero} a été ajouté !`, 'Annuler');
                this._resetErrors();
                if (refresh) {
                    this.jumpRefresh = !this.jumpRefresh;
                    this._jumpTableService.updateJumpRefresh(this.jumpRefresh);
                    this._lastjump$ = this._jumpsService.getLastJump();
                    this._lastjump = this._lastjump$.subscribe((jump) => {
                        this.lastJump = jump;
                    });
                }
            },
            error: (err) => {
                this.errors = err;
                this.isSubmitting = false;
            }
        });
    }

    private _openSnackBar(content: string, title: string) {
        const config: MatSnackBarConfig = {
            horizontalPosition: <MatSnackBarHorizontalPosition>'end',
            verticalPosition: <MatSnackBarVerticalPosition>'bottom',
            duration: 4000
        };
        this.snackBar.open(content, title, config);
    }

    private _resetErrors(): void {
        this.errors = { errors: {} };
    }

}