import { CdkDragDrop, moveItemInArray } from '@angular/cdk/drag-drop';
import { DatePipe } from '@angular/common';
import { Component, OnInit } from '@angular/core';
import { FormArray, UntypedFormArray, UntypedFormGroup } from '@angular/forms';
import { MatDialog } from '@angular/material/dialog';
import { ActivatedRoute, Router } from '@angular/router';
import { DescriptionStatus } from '@app/core/common/enum/description-status';
import { DmpAccessType } from '@app/core/common/enum/dmp-access-type';
import { DmpBlueprintFieldCategory } from '@app/core/common/enum/dmp-blueprint-field-category';
import { DmpBlueprintExtraFieldDataType } from '@app/core/common/enum/dmp-blueprint-field-type';
import { DmpBlueprintStatus } from '@app/core/common/enum/dmp-blueprint-status';
import { DmpBlueprintSystemFieldType } from '@app/core/common/enum/dmp-blueprint-system-field-type';
import { DmpContactType } from '@app/core/common/enum/dmp-contact-type';
import { DmpStatus } from '@app/core/common/enum/dmp-status';
import { DmpUserRole } from '@app/core/common/enum/dmp-user-role';
import { DmpUserType } from '@app/core/common/enum/dmp-user-type';
import { IsActive } from '@app/core/common/enum/is-active.enum';
import { LockTargetType } from '@app/core/common/enum/lock-target-type';
import { AppPermission } from '@app/core/common/enum/permission.enum';
import { DescriptionSectionPermissionResolver } from '@app/core/model/description/description';
import { DmpBlueprint } from '@app/core/model/dmp-blueprint/dmp-blueprint';
import { Dmp, DmpPersist } from '@app/core/model/dmp/dmp';
import { LanguageInfo } from '@app/core/model/language-info';
import { AuthService } from '@app/core/services/auth/auth.service';
import { ConfigurationService } from '@app/core/services/configuration/configuration.service';
import { LanguageInfoService } from '@app/core/services/culture/language-info-service';
import { DescriptionTemplateService } from '@app/core/services/description-template/description-template.service';
import { DescriptionService } from '@app/core/services/description/description.service';
import { DmpBlueprintService } from '@app/core/services/dmp/dmp-blueprint.service';
import { DmpService } from '@app/core/services/dmp/dmp.service';
import { LockService } from '@app/core/services/lock/lock.service';
import { LoggingService } from '@app/core/services/logging/logging-service';
import { MatomoService } from '@app/core/services/matomo/matomo-service';
import { SnackBarNotificationLevel, UiNotificationService } from '@app/core/services/notification/ui-notification-service';
import { UserService } from '@app/core/services/user/user.service';
import { EnumUtils } from '@app/core/services/utilities/enum-utils.service';
import { QueryParamsService } from '@app/core/services/utilities/query-params.service';
import { SingleAutoCompleteConfiguration } from '@app/library/auto-complete/single/single-auto-complete-configuration';
import { PopupNotificationDialogComponent } from '@app/library/notification/popup/popup-notification.component';
import { isNullOrUndefined } from '@app/utilities/enhancers/utils';
import { BaseEditor } from '@common/base/base-editor';
import { FormService } from '@common/forms/form-service';
import { ConfirmationDialogComponent } from '@common/modules/confirmation-dialog/confirmation-dialog.component';
import { HttpErrorHandlingService } from '@common/modules/errors/error-handling/http-error-handling.service';
import { FilterService } from '@common/modules/text-filter/filter-service';
import { Guid } from '@common/types/guid';
import { TranslateService } from '@ngx-translate/core';
import { interval } from 'rxjs';
import { map, takeUntil } from 'rxjs/operators';
import { DmpEditorModel } from './dmp-editor.model';
import { DmpEditorResolver } from './dmp-editor.resolver';
import { DmpEditorService } from './dmp-editor.service';

@Component({
	selector: 'app-dmp-editor',
	templateUrl: './dmp-editor.component.html',
	styleUrls: ['./dmp-editor.component.scss'],
	providers: [DmpEditorService]
})
export class DmpEditorComponent extends BaseEditor<DmpEditorModel, Dmp> implements OnInit {

	isNew = true;
	isDeleted = false;
	item: Dmp;
	selectedBlueprint: DmpBlueprint;
	step: number = 0;

	//Enums
	descriptionStatusEnum = DescriptionStatus;
	dmpBlueprintSectionFieldCategoryEnum = DmpBlueprintFieldCategory;
	dmpBlueprintSystemFieldTypeEnum = DmpBlueprintSystemFieldType;
	dmpBlueprintExtraFieldDataTypeEnum = DmpBlueprintExtraFieldDataType;
	dmpAccessTypeEnum = DmpAccessType;
	dmpAccessTypeEnumValues = this.enumUtils.getEnumValues<DmpAccessType>(DmpAccessType);
	dmpContactTypeEnum = DmpContactType;
	dmpContactTypeEnumValues = this.enumUtils.getEnumValues<DmpContactType>(DmpContactType);
	dmpUserTypeEnum = DmpUserType;
	dmpUserTypeEnumValues = this.enumUtils.getEnumValues<DmpUserType>(DmpUserType);
	dmpUserRoleEnumValues = this.enumUtils.getEnumValues<DmpUserRole>(DmpUserRole);

	permissionPerSection: Map<Guid, string[]>;

	hoveredContact: number = -1;

	singleAutocompleteBlueprintConfiguration: SingleAutoCompleteConfiguration = {
		initialItems: (data?: any) => this.dmpBlueprintService.query(this.dmpBlueprintService.buildAutocompleteLookup(null, null, null, [DmpBlueprintStatus.Finalized])).pipe(map(x => x.items)),
		filterFn: (searchQuery: string, data?: any) => this.dmpBlueprintService.query(this.dmpBlueprintService.buildAutocompleteLookup(searchQuery, null, null, [DmpBlueprintStatus.Finalized])).pipe(map(x => x.items)),
		getSelectedItem: (selectedItem: any) => this.dmpBlueprintService.query(this.dmpBlueprintService.buildAutocompleteLookup(null, null, [selectedItem])).pipe(map(x => x.items[0])),
		displayFn: (item: DmpBlueprint) => item.label,
		titleFn: (item: DmpBlueprint) => item.label,
		valueAssign: (item: DmpBlueprint) => item.id,
	};

	protected get canDelete(): boolean {
		return !this.isDeleted && !this.isNew && (this.hasPermission(this.authService.permissionEnum.DeleteDmp) || this.item?.authorizationFlags?.some(x => x === AppPermission.DeleteDmp));
	}

	protected get canSave(): boolean {
		return !this.isDeleted && (this.hasPermission(this.authService.permissionEnum.EditDmp) || this.item?.authorizationFlags?.some(x => x === AppPermission.EditDmp));
	}

	protected get canFinalize(): boolean {
		return !this.isDeleted && (this.hasPermission(this.authService.permissionEnum.EditDmp) || this.item?.authorizationFlags?.some(x => x === AppPermission.EditDmp));
	}

	protected canEditSection(id: Guid): boolean {
		return !this.isDeleted && (this.hasPermission(this.authService.permissionEnum.EditDescription) || this.item?.authorizationFlags?.some(x => x === AppPermission.EditDescription) || (
			this.permissionPerSection && this.permissionPerSection[id.toString()] && this.permissionPerSection[id.toString()].some(x => x === AppPermission.EditDescription)
		));
	}

	protected canDeleteSection(id: Guid): boolean {
		return !this.isDeleted && (this.hasPermission(this.authService.permissionEnum.DeleteDescription) || this.item?.authorizationFlags?.some(x => x === AppPermission.DeleteDescription) || (
			this.permissionPerSection && this.permissionPerSection[id.toString()] && this.permissionPerSection[id.toString()].some(x => x === AppPermission.DeleteDescription)
		));
	}



	private hasPermission(permission: AppPermission): boolean {
		return this.authService.hasPermission(permission) || this.item?.authorizationFlags?.some(x => x === permission) || this.editorModel?.permissions?.includes(permission);
	}

	constructor(
		// BaseFormEditor injected dependencies
		protected dialog: MatDialog,
		protected language: TranslateService,
		protected formService: FormService,
		protected router: Router,
		protected uiNotificationService: UiNotificationService,
		protected httpErrorHandlingService: HttpErrorHandlingService,
		protected filterService: FilterService,
		protected datePipe: DatePipe,
		protected route: ActivatedRoute,
		protected queryParamsService: QueryParamsService,
		protected lockService: LockService,
		protected authService: AuthService,
		protected configurationService: ConfigurationService,
		// Rest dependencies. Inject any other needed deps here:
		private dmpService: DmpService,
		private logger: LoggingService,
		public dmpBlueprintService: DmpBlueprintService,
		private matomoService: MatomoService,
		// public visibilityRulesService: VisibilityRulesService,
		private languageInfoService: LanguageInfoService,
		public enumUtils: EnumUtils,
		public descriptionTemplateService: DescriptionTemplateService,
		public userService: UserService,
		public descriptionService: DescriptionService

	) {
		super(dialog, language, formService, router, uiNotificationService, httpErrorHandlingService, filterService, datePipe, route, queryParamsService, lockService, authService, configurationService);
	}

	ngOnInit(): void {
		this.matomoService.trackPageView('DMP Editor');
		super.ngOnInit();
	}

	getItem(itemId: Guid, successFunction: (item: Dmp) => void) {
		this.dmpService.getSingle(itemId, DmpEditorResolver.lookupFields())
			.pipe(map(data => data as Dmp), takeUntil(this._destroyed))
			.subscribe(
				data => successFunction(data),
				error => this.onCallbackError(error)
			);
	}

	prepareForm(data: Dmp) {
		try {
			this.editorModel = data ? new DmpEditorModel().fromModel(data) : new DmpEditorModel();
			if (data && data.descriptions) {
				if (data.status == DmpStatus.Finalized) {
					data.descriptions = data.descriptions.filter(x => x.isActive === IsActive.Active && x.status === DescriptionStatus.Finalized);
				} else {
					data.descriptions = data.descriptions.filter(x => x.isActive === IsActive.Active && x.status !== DescriptionStatus.Canceled);
				}
			}
			this.item = data;

			this.selectedBlueprint = data?.blueprint;
			this.isDeleted = data ? data.isActive === IsActive.Inactive : false;

			if (data && data.id) {
				const descriptionSectionPermissionResolverModel: DescriptionSectionPermissionResolver = {
					dmpId: data.id,
					sectionIds: data?.blueprint?.definition?.sections?.map(x => x.id),
					permissions: [AppPermission.EditDescription, AppPermission.DeleteDescription]
				}
				this.descriptionService.getDescriptionSectionPermissions(descriptionSectionPermissionResolverModel)
					.pipe(takeUntil(this._destroyed)).subscribe(
						complete => {
							this.permissionPerSection = complete,
								this.buildForm();
						},
						error => this.onCallbackError(error)
					);
			} else {
				this.buildForm();
			}

			if (this.item && this.item.id != null) {
				this.checkLock(this.item.id, LockTargetType.Dmp, 'DMP-EDITOR.LOCKED-DIALOG.TITLE', 'DMP-EDITOR.LOCKED-DIALOG.MESSAGE');
			}
		} catch (error) {
			this.logger.error('Could not parse Dmp item: ' + data + error);
			this.uiNotificationService.snackBarNotification(this.language.instant('COMMONS.ERRORS.DEFAULT'), SnackBarNotificationLevel.Error);
		}
	}

	buildForm() {
		const canedit = this.isNew ? this.authService.hasPermission(AppPermission.NewDmp) : this.item.authorizationFlags?.some(x => x === AppPermission.EditDmp) || this.authService.hasPermission(AppPermission.EditDmp);
		this.formGroup = this.editorModel.buildForm(null, this.isDeleted || !canedit);

		if (this.editorModel.status == DmpStatus.Finalized || this.isDeleted) {
			this.formGroup.disable();
		}

		if (this.item != null) {
			this.nextStep();
		}
	}

	refreshData(): void {
		this.getItem(this.editorModel.id, (data: Dmp) => this.prepareForm(data));
	}

	refreshOnNavigateToData(id?: Guid): void {
		this.formGroup.markAsPristine();

		if (this.isNew) {
			let route = [];
			route.push('/plans/overview/' + id);
			this.router.navigate(route, { queryParams: { 'lookup': this.queryParamsService.serializeLookup(this.lookupParams), 'lv': ++this.lv }, replaceUrl: true, relativeTo: this.route });
		} else {
			this.refreshData();
		}
	}

	persistEntity(onSuccess?: (response) => void): void {
		const formData = this.formService.getValue(this.formGroup.value) as DmpPersist;

		//Transform to persist
		//Transform descriptionTemplates
		formData.descriptionTemplates = [];
		for (const sectionId in (this.formGroup.get('descriptionTemplates') as UntypedFormGroup).controls) {
			formData.descriptionTemplates.push(
				...(this.formGroup.get('descriptionTemplates').get(sectionId).value as Guid[]).map(x => { return { sectionId: Guid.parse(sectionId), descriptionTemplateGroupId: x } })
			);
		}

		this.dmpService.persist(formData)
			.pipe(takeUntil(this._destroyed)).subscribe(
				complete => onSuccess ? onSuccess(complete) : this.onCallbackSuccess(complete),
				error => this.onCallbackError(error)
			);
	}

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

		this.persistEntity();
	}

	public delete() {
		const value = this.formGroup.value;
		if (value.id) {
			const dialogRef = this.dialog.open(ConfirmationDialogComponent, {
				maxWidth: '300px',
				data: {
					message: this.language.instant('GENERAL.CONFIRMATION-DIALOG.DELETE-ITEM'),
					confirmButton: this.language.instant('GENERAL.CONFIRMATION-DIALOG.ACTIONS.CONFIRM'),
					cancelButton: this.language.instant('GENERAL.CONFIRMATION-DIALOG.ACTIONS.CANCEL')
				}
			});
			dialogRef.afterClosed().pipe(takeUntil(this._destroyed)).subscribe(result => {
				if (result) {
					this.dmpService.delete(value.id).pipe(takeUntil(this._destroyed))
						.subscribe(
							complete => this.onCallbackSuccess(),
							error => this.onCallbackError(error)
						);
				}
			});
		}
	}

	clearErrorModel() {
		this.editorModel.validationErrorModel.clear();
		this.formService.validateAllFormFields(this.formGroup);
	}

	//
	//
	// Steps
	//
	//
	changeStep(index: number) {
		this.step = index;
		this.resetScroll();
	}

	nextStep() {
		this.step = this.step < this.selectedBlueprint.definition.sections.length ? this.step + 1 : this.step;
		this.resetScroll();
	}

	previousStep() {
		this.step = this.step !== 1 ? this.step - 1 : this.step;
		this.resetScroll();
	}

	private resetScroll() {
		if (document.getElementById('editor-form') != null) document.getElementById('editor-form').scrollTop = 0;
	}

	//
	//
	// Blueprint
	//
	//
	selectBlueprint() {
		this.dmpBlueprintService.getSingle(this.formGroup.get('blueprint').value, DmpEditorResolver.blueprintLookupFields()).pipe(takeUntil(this._destroyed)).subscribe(data => {
			this.selectedBlueprint = data;
			this.buildFormAfterBlueprintSelection();
			this.nextStep();
		});
	}

	selectDefaultBlueprint() {
		this.dmpBlueprintService.getSingle(this.configurationService.defaultBlueprintId, DmpEditorResolver.blueprintLookupFields()).pipe(takeUntil(this._destroyed)).subscribe(data => {
			this.selectedBlueprint = data;
			this.formGroup.get('blueprint').setValue(this.selectedBlueprint.id);
			this.buildFormAfterBlueprintSelection();
			this.nextStep();
		});
	}

	private buildFormAfterBlueprintSelection() {
		const dmp: Dmp = {
			label: this.formGroup.get('label').value,
			description: this.formGroup.get('description').value,
			blueprint: this.selectedBlueprint,
			status: DmpStatus.Draft
		}
		this.prepareForm(dmp);
	}

	//
	//
	// Contacts
	//
	//

	isContactSelected(contactId: number): boolean {
		return this.hoveredContact === contactId;
	}

	onContactHover(contactIndex: number): void {
		this.hoveredContact = contactIndex;
	}

	clearHoveredContact(): void {
		this.hoveredContact = -1;
	}

	addContact(): void {
		const contactArray = this.formGroup.get('properties').get('contacts') as FormArray;
		(this.formGroup.get('properties').get('contacts') as FormArray).push(this.editorModel.createChildContact(contactArray.length));
	}

	removeContact(contactIndex: number): void {
		(this.formGroup.get('properties').get('contacts') as FormArray).removeAt(contactIndex);

		DmpEditorModel.reApplyPropertiesValidators(
			{
				formGroup: this.formGroup,
				validationErrorModel: this.editorModel.validationErrorModel
			}
		);
		this.formGroup.get('properties').get('contacts').markAsDirty();
	}

	dropContacts(event: CdkDragDrop<string[]>) {
		const contactsFormArray = (this.formGroup.get('properties').get('contacts') as FormArray);

		moveItemInArray(contactsFormArray.controls, event.previousIndex, event.currentIndex);
		contactsFormArray.updateValueAndValidity();

		DmpEditorModel.reApplyPropertiesValidators(
			{
				formGroup: this.formGroup,
				validationErrorModel: this.editorModel.validationErrorModel
			}
		);
		this.formGroup.get('properties').get('contacts').markAsDirty();
	}


	//
	//
	// Descriptions
	//
	//
	public descriptionsInSection(sectionId: Guid) {
		return this.item?.descriptions?.filter(x => x?.dmpDescriptionTemplate?.sectionId === sectionId) || [];
	}

	editDescription(id: string, isNew: boolean) {
		if (!isNew) {
			this.router.navigate(['/descriptions', 'edit', id]);
		}
	}

	public removeDescription(descriptionId: Guid) {
		const dialogRef = this.dialog.open(ConfirmationDialogComponent, {
			maxWidth: '300px',
			restoreFocus: false,
			data: {
				message: this.language.instant('GENERAL.CONFIRMATION-DIALOG.DELETE-ITEM'),
				confirmButton: this.language.instant('GENERAL.CONFIRMATION-DIALOG.ACTIONS.DELETE'),
				cancelButton: this.language.instant('GENERAL.CONFIRMATION-DIALOG.ACTIONS.CANCEL'),
				isDeleteConfirmation: true
			}
		});
		dialogRef.afterClosed().pipe(takeUntil(this._destroyed)).subscribe(result => {
			if (result) {
				if (descriptionId) {
					this.descriptionService.delete(descriptionId)
						.pipe(takeUntil(this._destroyed))
						.subscribe(
							complete => {
								this.onCallbackSuccess();
							},
							error => this.onCallbackError(error)
						);
				}
				// this.formGroup.get('datasets')['controls'].splice(index, 1);
				this.step = 0;
			}
		});
	}

	//
	//
	// Description Template
	//
	//

	onRemoveDescriptionTemplate(event, sectionIndex: number) {
		let found = false;
		const section = this.selectedBlueprint.definition.sections[sectionIndex];
		let sectionDescriptionTemplates = (this.formGroup.get('descriptionTemplates') as UntypedFormArray).controls.find(x => x.get('sectionId').value === event.id);
	}

	onPreviewDescriptionTemplate(event, sectionIndex: number) {
		// const dialogRef = this.dialog.open(DatasetPreviewDialogComponent, {
		// 	width: '590px',
		// 	minHeight: '200px',
		// 	restoreFocus: false,
		// 	data: {
		// 		template: event
		// 	},
		// 	panelClass: 'custom-modalbox'
		// });
		// dialogRef.afterClosed().pipe(takeUntil(this._destroyed)).subscribe(result => {
		// 	if (result) {
		// 		this.addProfile(event, sectionIndex);
		// 		this.profilesAutoCompleteConfiguration = {
		// 			filterFn: this.filterProfiles.bind(this),
		// 			initialItems: (excludedItems: any[]) => this.filterProfiles('').pipe(map(result => result.filter(resultItem => (excludedItems || []).map(x => x.id).indexOf(resultItem.id) === -1))),
		// 			displayFn: (item) => item['label'],
		// 			titleFn: (item) => item['label'],
		// 			subtitleFn: (item) => item['description'],
		// 			popupItemActionIcon: 'visibility'
		// 		};
		// 	}
		// });
	}

	//
	//
	// Misc
	//
	//
	public isDirty(): boolean {
		return this.formGroup && this.formGroup.dirty; //&& this.hasChanges;
	}

	getLanguageInfos(): LanguageInfo[] {
		return this.languageInfoService.getLanguageInfoValues();
	}
}