import { ChangeDetectorRef, Component, Inject, Input, OnInit, AfterViewInit } from '@angular/core';
import { Poll } from '../../../core/models/poll.model';
import { FormBuilder, FormGroup, Validators } from '@angular/forms';
import { ApiService } from '../../../core/services/api.service';
import { ToastService } from '../../../core/services/toast.service';
import { PollService } from '../../../core/services/poll.service';
import { DOCUMENT } from '@angular/common';
import { Router } from '@angular/router';
import { environment } from '../../../../environments/environment';
import { PollUtilitiesService } from '../../../core/services/poll.utilities.service';
import { StorageService } from '../../../core/services/storage.service';
import { DateUtilitiesService } from '../../../core/services/date.utilities.service';
import { formatDate } from '@angular/common';

@Component({
	selector: 'app-admin-form',
	templateUrl: './form.component.html',
	styleUrls: ['./form.component.scss'],
})
export class FormComponent implements OnInit, AfterViewInit {
	@Input()
	public poll?: Poll;
	public form: FormGroup;

	public displayDatePicker = false;
	public advancedDisplayEnabled = false;
	public show_debug_data = false;
	public currentStep = 'base';
	public steps = ['base', 'choices', 'advanced'];

	public environment = environment;

	constructor(
		private fb: FormBuilder,
		private cd: ChangeDetectorRef,
		private pollUtilitiesService: PollUtilitiesService,
		private toastService: ToastService,
		private pollService: PollService,
		private storageService: StorageService,
		public apiService: ApiService,
		public dateUtils: DateUtilitiesService,
		private router: Router,
		private utilitiesService: PollUtilitiesService,
		@Inject(DOCUMENT) private document: any
	) {}

	ngOnInit(): void {
		this.initFormDefault();
		// this.goNextStep();
	}

	ngAfterViewInit() {
		// focus on first field of the creation form
		const firstField = this.document.querySelector('#kind');
		if (firstField) {
			console.log('focus on ', firstField);
			firstField.focus();
		} else {
			console.log('no first field of form');
		}
	}

	initFormDefault(showDemoValues = environment.autofill): void {
		const creationDate = new Date();

		// choices of date are managed outside of this form
		this.form = this.fb.group({
			title: ['', [Validators.required, Validators.minLength(5)]],
			creatorPseudo: ['', [Validators.required]],
			creatorEmail: ['', [Validators.required, Validators.email]],
			custom_url: [this.pollUtilitiesService.makeUuid(), [Validators.required]],
			description: ['', [Validators.required]],
			kind: ['date', [Validators.required]],
			areResultsPublic: [true, [Validators.required]],
			whoCanChangeAnswers: ['everybody', [Validators.required]],
			isProtectedByPassword: [false, [Validators.required]],
			allowNewDateTime: [false, [Validators.required]],
			isOwnerNotifiedByEmailOnNewVote: [false, [Validators.required]],
			isOwnerNotifiedByEmailOnNewComment: [false, [Validators.required]],
			isYesAnswerAvailable: [false, [Validators.required]],
			isMaybeAnswerAvailable: [false, [Validators.required]],
			isNoAnswerAvailable: [false, [Validators.required]],
			isAboutDate: [true, [Validators.required]],
			isZeroKnoledge: [false, [Validators.required]],
			useVoterUniqueLink: [false, [Validators.required]],
			expiresDaysDelay: [60, [Validators.required, Validators.min(1), Validators.max(365)]],
			maxCountOfAnswers: [150, [Validators.required, Validators.min(1), Validators.max(5000)]],
			allowComments: [true, [Validators.required]],
			password: ['', []],
			voterEmailList: ['', []],
			natural_lang_interval: ['', []],
			dateCreated: [creationDate, [Validators.required]],
			hasSeveralHours: [false, [Validators.required]],
			hasMaxCountOfAnswers: [true, [Validators.required, Validators.min(1)]],
			startDateInterval: ['', [Validators.required]],
			endDateInterval: ['', [Validators.required]],
		});

		// take back values from pollservice
		// this.form.patchValue(this.pollService.poll);
		this.setDefaultFormValues();

		if (showDemoValues) {
			this.setDemoValues();
			this.toastService.display('default values filled for demo');
		}

		if (environment.autoSendNewPoll) {
			this.createPoll();
		}
	}

	setDefaultFormValues(): void {
		this.form.patchValue({
			creatorPseudo: 'Anne Onyme',
			creatorEmail: 'anne_onyme@anonymous_email.com',
			description: 'RSVP',
			isAboutDate: true,
			hasSeveralHours: false,
			kind: 'date',
			password: '',
			whoCanChangeAnswers: 'everybody',
			isProtectedByPassword: false,
			isOwnerNotifiedByEmailOnNewVote: false,
			isOwnerNotifiedByEmailOnNewComment: false,
			isYesAnswerAvailable: true,
			isMaybeAnswerAvailable: false,
			isNoAnswerAvailable: false,
			isZeroKnoledge: true,
			areResultsPublic: true,
			allowComments: true,
			expiresDaysDelay: environment.expiresDaysDelay,
			maxCountOfAnswers: environment.maxCountOfAnswers,
			allowNewDateTime: false,
			// startDateInterval: formatDate(new Date(), 'yyyy-MM-dd', 'fr_FR'),
			endDateInterval: formatDate(
				this.dateUtils.addDaysToDate(environment.interval_days_default, new Date()),
				'yyyy-MM-dd',
				'fr_FR'
			),
		});
		console.log("this.form.controls['startDateInterval']", this.form.controls['startDateInterval']);
		this.form.controls['startDateInterval'].setValue(formatDate(new Date(), 'yyyy-MM-dd', 'fr_FR'));
		console.log("this.form.controls['startDateInterval']", this.form.controls['startDateInterval']);
		this.automaticSlug();
	}

	/**
	 * add example values to the form, overrides defaults of PollConfiguration
	 */
	setDemoValues(): void {
		const title = 'le titre de démo __ ' + new Date().getTime();

		this.form.patchValue({ creatorPseudo: 'Chuck Norris', creatorEmail: 'chucknorris@example.com' });

		this.form.patchValue({
			title: title,
			custom_url: this.pollUtilitiesService.makeSlugFromString(title),
			description: 'répondez SVP <3 ! *-*',
			creatorPseudo: 'Chuck Norris',
			creatorEmail: 'chucknorris@example.com',
		});
	}

	askInitFormDefault(): void {
		this.toastService.display('formulaire réinitialisé', 'info');
	}

	/**
	 * set the poll custom_url from other data of the poll
	 */
	automaticSlug(): void {
		this.form.patchValue({
			custom_url:
				this.pollService.convertTextToSlug(this.form.value.title) +
				'_' +
				this.utilitiesService.makeUuid().substr(0, 12),
		});
	}

	goPreviousStep() {
		alert('todo');
	}

	goNextStep() {
		let indexCurrentStep = this.steps.indexOf(this.currentStep);
		indexCurrentStep += 1;
		this.currentStep = this.steps[indexCurrentStep];
		window.scrollTo(0, 0);
	}

	public createPoll(): void {
		const newpoll = this.pollService.newPollFromForm(this.form);
		console.log('newpoll', newpoll);
		const router = this.router;

		if (!environment.production) {
			this.toastService.display('mode dev : envoi du form sans validation');
			this.apiService.createPoll(newpoll).then(
				(resp: any) => {
					this.pollService.updateCurrentPoll(resp.data.poll);
					this.storageService.userPolls.push(resp.data.poll);
					this.storageService.vote_stack.owner.polls.push(resp.data.poll);
					this.toastService.display('sauvegarde du nouveau sondage réussie');
					router.navigate(['success']);
				},
				(err) => {
					this.toastService.display('erreur lors de la sauvegarde ' + err.message);
				}
			);
		} else {
			if (this.form.valid) {
				this.toastService.display("C'est parti!");
				this.apiService.createPoll(newpoll).then(
					(resp: any) => {
						this.pollService.updateCurrentPoll(resp.data.poll);
						this.storageService.userPolls.push(resp.data.poll);
						this.storageService.vote_stack.owner.polls.push(resp.data.poll);
						this.toastService.display('sauvegarde du nouveau sondage réussie');
						router.navigate(['success']);
					},
					(err) => {
						this.toastService.display('erreur lors de la sauvegarde');
					}
				);
			} else {
				this.toastService.display('invalid form');
			}
		}
	}
}