import { ChangeDetectionStrategy, Component, computed, inject, signal } from '@angular/core';
import { toSignal } from '@angular/core/rxjs-interop';
import { email, form, FormField, maxLength, required, submit } from '@angular/forms/signals';
import { RouterLink } from '@angular/router';
import { environment } from '@environments/environment';
import { injectMutation } from '@tanstack/angular-query-experimental';
import { injectAuthService } from '@/core/services/auth.service';
import { injectCatalogsService } from '@/core/services/catalogs.service';
import { injectUIService } from '@/core/services/ui.service';
import { CheckboxComponent } from '@/shared/forms/checkbox/checkbox.component';
import { signalFormErrors } from '@/shared/forms/form-validations';
import { InputComponent } from '@/shared/forms/input/input.component';
import { SelectComponent } from '@/shared/forms/select/select.component';
import { AuthLayoutComponent } from '@/shared/layout/auth-layout/auth-layout.component';
import { ButtonDirective } from '@/shared/ui/button.directive';

@Component({
	selector: 'app-signup',
	standalone: true,
	templateUrl: './signup.component.html',
	styleUrls: ['./signup.component.scss'],
	changeDetection: ChangeDetectionStrategy.OnPush,
	imports: [
		RouterLink,
		FormField,
		AuthLayoutComponent,
		InputComponent,
		SelectComponent,
		CheckboxComponent,
		ButtonDirective,
	],
})
export default class SignupComponent {
	private authSrv = injectAuthService();
	private uiServ = injectUIService();
	private catalogServ = injectCatalogsService();

	states = toSignal(this.catalogServ.getStates(), { initialValue: [] as { value: number; label: string }[] });
	specialties = toSignal(this.catalogServ.getSpecialties(), {
		initialValue: [] as { value: number; label: string }[],
	});
	professions = toSignal(this.catalogServ.getProfessions(), {
		initialValue: [] as { value: number; label: string }[],
	});

	signupModel = signal({
		name: '',
		lastname1: '',
		lastname2: '',
		email: '',
		emailc: '',
		profession: null as number | null,
		specialty: null as number | null,
		professional_license: '',
		state: null as number | null,
		cellphone: '',
		acceptPrivacy: false,
	});

	signupForm = form(this.signupModel, (path) => {
		required(path.name, { message: signalFormErrors.required });
		required(path.lastname1, { message: signalFormErrors.required });
		required(path.lastname2, { message: signalFormErrors.required });
		required(path.email, { message: signalFormErrors.required });
		email(path.email, { message: signalFormErrors.email });
		required(path.emailc, { message: signalFormErrors.required });
		email(path.emailc, { message: signalFormErrors.email });
		required(path.profession, { message: signalFormErrors.required });
		maxLength(path.professional_license, 30, { message: signalFormErrors.maxLength(30) });
		required(path.cellphone, { message: signalFormErrors.required });
		required(path.acceptPrivacy, { message: signalFormErrors.acceptTerms });
	});

	readonly links = environment.links;

	hideOptional = computed(() => {
		const specialOptions = [1];
		const value = this.signupModel().profession ?? -1;
		return !specialOptions.includes(value);
	});

	signup = injectMutation(() => ({
		mutationFn: (_: void) => this.authSrv.signup(this.signupModel()),
		onError: (error) => this.uiServ.showErrorAlert(error.message),
	}));

	onSubmit(event: Event) {
		event.preventDefault();
		submit(this.signupForm, {
			action: async () => this.signup.mutate(),
		});
	}
}