import { Component, Input, OnInit, ViewEncapsulation } from '@angular/core';
import { FormGroup } from '@angular/forms';
import { MatSnackBar } from '@angular/material';
import { ActivatedRoute, Router } from '@angular/router';
import { TranslateService } from '@ngx-translate/core';
import { Observable } from 'rxjs';
import { takeUntil } from 'rxjs/operators';
import { BaseComponent } from '../../../core/common/base/base.component';
import { BaseCriteria } from '../../../models/criteria/BaseCriteria';
import { DatasetProfileCriteria } from '../../../models/criteria/dataset-profile/DatasetProfileCriteria';
import { ProjectCriteria } from '../../../models/criteria/project/ProjectCriteria';
import { RequestItem } from '../../../models/criteria/RequestItem';
import { DatasetProfileModel } from '../../../models/datasets/DatasetProfileModel';
import { DmpUsersModel } from '../../../models/dmpUsers/DmpUsersModel';
import { BaseErrorModel } from '../../../models/error/BaseErrorModel';
import { ExternalSourcesItemModel } from '../../../models/external-sources/ExternalSourcesItemModel';
import { DataManagementPlanService } from '../../../services/data-management-plan/data-management-plan.service';
import { ExternalSourcesService } from '../../../services/external-sources/external-sources.service';
import { LanguageResolverService } from '../../../services/language-resolver/language-resolver.service';
import { ProjectService } from '../../../services/project/project.service';
import { MultipleAutoCompleteConfiguration } from '../../../shared/components/autocompletes/multiple/multiple-auto-complete-configuration';
import { SingleAutoCompleteConfiguration } from '../../../shared/components/autocompletes/single/single-auto-complete-configuration';
import { SnackBarNotificationComponent } from '../../../shared/components/notificaiton/snack-bar-notification.component';

@Component({
	selector: 'app-dmp-wizard-editor-component',
	templateUrl: 'dmp-wizard-editor.component.html',
	styleUrls: ['./dmp-wizard-editor.component.scss'],
	encapsulation: ViewEncapsulation.None
})
export class DataManagementPlanWizardEditorComponent extends BaseComponent implements OnInit {


	isNew = true;
	@Input() formGroup: FormGroup = null;

	filteringOrganisationsAsync = false;
	filteringResearchersAsync = false;
	filteredProfilesAsync = false;
	filteredOrganisations: ExternalSourcesItemModel[];
	filteredResearchers: ExternalSourcesItemModel[];
	filteredProfiles: DatasetProfileModel[];

	projectAutoCompleteConfiguration: SingleAutoCompleteConfiguration;
	profilesAutoCompleteConfiguration: MultipleAutoCompleteConfiguration;
	organisationsAutoCompleteConfiguration: MultipleAutoCompleteConfiguration;
	researchersAutoCompleteConfiguration: MultipleAutoCompleteConfiguration;
	createNewVersion;
	associatedUsers: Array<DmpUsersModel>;
	labelDisabled = false;

	constructor(
		private dataManagementPlanService: DataManagementPlanService,
		private projectService: ProjectService,
		private externalSourcesService: ExternalSourcesService,
		private route: ActivatedRoute,
		public snackBar: MatSnackBar,
		public router: Router,
		public language: TranslateService,
		private _service: DataManagementPlanService,
		private languageResolverService: LanguageResolverService
	) {
		super();
	}

	ngOnInit() {

		const projectRequestItem: RequestItem<ProjectCriteria> = new RequestItem();
		projectRequestItem.criteria = new ProjectCriteria();
		this.projectAutoCompleteConfiguration = {
			filterFn: this.searchProject.bind(this.projectService),
			items: this.searchProject(''),
			displayFn: (item) => item['label'],
			titleFn: (item) => item['label'],
			//mapFn: (item) => new JsonSerializer<ProjectReference>().fromJSONArray(item, ProjectReference).map(item => item.toDropdownList()),
			loadDataOnStart: true
		};

		this.profilesAutoCompleteConfiguration = {
			filterFn: this.filterProfiles.bind(this),
			initialItems: (excludedItems: any[]) => this.filterProfiles('').map(result => result.filter(resultItem => excludedItems.map(x => x.id).indexOf(resultItem.id) === -1)),
			displayFn: (item) => item['label'],
			titleFn: (item) => item['label'],
			//mapFn: (item) => new JsonSerializer<ProjectReference>().fromJSONArray(item, ProjectReference).map(item => item.toDropdownList()),
			loadDataOnStart: true
		};

		this.organisationsAutoCompleteConfiguration = {
			filterFn: this.filterOrganisations.bind(this),
			initialItems: (excludedItems: any[]) => this.filterOrganisations('').map(result => result.filter(resultItem => excludedItems.map(x => x.id).indexOf(resultItem.id) === -1)),
			displayFn: (item) => item['name'],
			titleFn: (item) => item['name'],
			loadDataOnStart: true
		};

		this.researchersAutoCompleteConfiguration = {
			filterFn: this.filterResearchers.bind(this),
			initialItems: (excludedItems: any[]) => this.filterResearchers('').map(result => result.filter(resultItem => excludedItems.map(x => x.id).indexOf(resultItem.id) === -1)),
			displayFn: (item) => item['name'],
			titleFn: (item) => item['name'],
			loadDataOnStart: true
		};

		const organisationRequestItem: RequestItem<BaseCriteria> = new RequestItem();
		organisationRequestItem.criteria = new BaseCriteria();

		this.route.data
			.pipe(takeUntil(this._destroyed))
			.subscribe(value => {
				if (value.clone === false && this.formGroup.get('label').value) {
					this.labelDisabled = true;
				}
				this.formGroup.controls['version'].disable();
			});
	}

	searchProject(query: string) {
		const projectRequestItem: RequestItem<ProjectCriteria> = new RequestItem();
		projectRequestItem.criteria = new ProjectCriteria();
		projectRequestItem.criteria.like = query;
		return this.projectService.getWithExternal(projectRequestItem);
	}

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

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

	onSubmit(): void {
		this.dataManagementPlanService.createDataManagementPlan(this.formGroup.getRawValue())
			.pipe(takeUntil(this._destroyed))
			.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(['/dmps']);
	}

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

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

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

	filterOrganisations(value: string): Observable<ExternalSourcesItemModel[]> {

		this.filteredOrganisations = undefined;
		this.filteringOrganisationsAsync = true;

		return this.externalSourcesService.searchDMPOrganizations(value);
	}

	filterResearchers(value: string): Observable<ExternalSourcesItemModel[]> {

		this.filteredResearchers = undefined;
		this.filteringResearchersAsync = true;

		return this.externalSourcesService.searchDMPResearchers({ criteria: { name: value, like: null } });
	}

	filterProfiles(value: string): Observable<DatasetProfileModel[]> {

		this.filteredProfiles = undefined;
		this.filteredProfilesAsync = true;

		const request = new RequestItem<DatasetProfileCriteria>();
		const criteria = new DatasetProfileCriteria();
		criteria.like = value;
		request.criteria = criteria;
		return this._service.searchDMPProfiles(request);
	}

}