import { AfterViewInit, Component, ViewEncapsulation } from '@angular/core';
import { AbstractControl, FormArray, FormControl, FormGroup } from '@angular/forms';
import { MatSnackBar } from '@angular/material';
import { ActivatedRoute, Params, Router } from '@angular/router';
import { TdDialogService } from '@covalent/core';
import { TranslateService } from '@ngx-translate/core';
import { environment } from '../../../environments/environment';
import { DataManagementPlanProfileModel } from '../../models/data-management-plan-profile/DataManagementPlanProfileModel';
import { DataManagementProfileField, DMPProfileFieldDataType, DMPProfileType } from '../../models/data-management-plan-profile/DataManagementProfileField';
import { BaseErrorModel } from '../../models/error/BaseErrorModel';
import { DataManagementPlanProfileService } from '../../services/data-management-plan-profile/datamanagement-profile.service';
import { SnackBarNotificationComponent } from '../../shared/components/notificaiton/snack-bar-notification.component';
import { JsonSerializer } from '../../utilities/JsonSerializer';
import { Utilities } from '../../utilities/utilities';



@Component({
	selector: 'app-dmp-profile-editor-component',
	templateUrl: 'dmp-profile-editor.component.html',
	styleUrls: ['./dmp-profile-editor.component.scss'],
	providers: [DataManagementPlanProfileService, Utilities],
	encapsulation: ViewEncapsulation.None
})
export class DataManagementPlanProfileEditorComponent implements AfterViewInit {

	isNew = true;
	dataManagementPlanProfileModel: DataManagementPlanProfileModel;
	formGroup: FormGroup = null;
	host = environment.Server;
	baseErrorModel: BaseErrorModel;
	constructor(
		private dmpProfileService: DataManagementPlanProfileService,
		private route: ActivatedRoute,
		public snackBar: MatSnackBar,
		public router: Router,
		public language: TranslateService,
		private dialogService: TdDialogService,
		private utilities: Utilities
	) {
	}

	ngAfterViewInit() {
		this.route.params.subscribe((params: Params) => {
			const itemId = params['id'];

			if (itemId != null) {
				this.isNew = false;
				this.dmpProfileService.getSingle(itemId).map(data => data as DataManagementPlanProfileModel)
					.subscribe(data => {
						this.dataManagementPlanProfileModel = JsonSerializer.fromJSONObject(data, DataManagementPlanProfileModel);
						this.baseErrorModel = this.dataManagementPlanProfileModel.errorModel;
						this.formGroup = this.dataManagementPlanProfileModel.buildForm();
					});
			} else {
				this.dataManagementPlanProfileModel = new DataManagementPlanProfileModel();
				this.baseErrorModel = this.dataManagementPlanProfileModel.errorModel;

				setTimeout(() => {
					this.formGroup = this.dataManagementPlanProfileModel.buildForm();
				});
			}
		});
	}

	formSubmit(): void {
		this.touchAllFormFields(this.formGroup);
		if (!this.isFormValid()) { return; }
		this.onSubmit();
	}

	public isFormValid() {
		return this.formGroup.valid;
	}

	onSubmit(): void {
		this.dmpProfileService.createDataManagementPlan(this.formGroup.value).subscribe(
			complete => this.onCallbackSuccess(),
			error => this.onCallbackError(error)
		);
	}

	onCallbackSuccess(): void {
		this.snackBar.openFromComponent(SnackBarNotificationComponent, {
			data: { message: this.isNew ? 'GENERAL.SNACK-BAR.SUCCESSFUL-CREATION' : 'GENERAL.SNACK-BAR.SUCCESSFUL-UPDATE', language: this.language },
			duration: 3000,
		});
		this.router.navigate(['/dmp-profiles']);
	}

	onCallbackError(errorResponse: any) {
		this.setErrorModel(errorResponse.error);
		this.validateAllFormFields(this.formGroup);
	}

	public setErrorModel(errorModel: BaseErrorModel) {
		Object.keys(errorModel).forEach(item => {
			(<any>this.dataManagementPlanProfileModel.errorModel)[item] = (<any>errorModel)[item];
		});
	}

	public cancel(): void {
		this.router.navigate(['/dmp-profiles']);
	}


	public touchAllFormFields(formControl: AbstractControl) {
		if (formControl instanceof FormControl) {
			formControl.markAsTouched();
		} else if (formControl instanceof FormGroup) {
			Object.keys(formControl.controls).forEach(item => {
				const control = formControl.get(item);
				this.touchAllFormFields(control);
			});
		} else if (formControl instanceof FormArray) {
			formControl.controls.forEach(item => {
				this.touchAllFormFields(item);
			});
		}
	}

	public validateAllFormFields(formControl: AbstractControl) {
		if (formControl instanceof FormControl) {
			formControl.updateValueAndValidity({ emitEvent: false });
		} else if (formControl instanceof FormGroup) {
			Object.keys(formControl.controls).forEach(item => {
				const control = formControl.get(item);
				this.validateAllFormFields(control);
			});
		} else if (formControl instanceof FormArray) {
			formControl.controls.forEach(item => {
				this.validateAllFormFields(item);
			});
		}
	}

	addField() {
		(<FormArray>this.formGroup.get('definition').get('fields')).push(new DataManagementProfileField().buildForm());
	}

	getDMPProfileFieldDataTypeValues(): Number[] {
		let keys: string[] = Object.keys(DMPProfileFieldDataType);
		keys = keys.slice(0, keys.length / 2);
		const values: Number[] = keys.map(Number);
		return values;
	}

	getDMPProfileFieldDataTypeWithLanguage(role: DMPProfileFieldDataType): string {
		let result = '';
		this.language.get(this.utilities.convertFromDMPProfileDataType(role)).subscribe((value: string) => {
			result = value;
		});
		return result;
	}

	getDMPProfileFieldTypeValues(): Number[] {
		let keys: string[] = Object.keys(DMPProfileType);
		keys = keys.slice(0, keys.length / 2);
		const values: Number[] = keys.map(Number);
		return values;
	}

	getDMPProfileFieldTypeWithLanguage(role: DMPProfileType): string {
		let result = '';
		this.language.get(this.utilities.convertFromDMPProfileType(role)).subscribe((value: string) => {
			result = value;
		});
		return result;
	}
}