import { Location } from '@angular/common';
import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
import { UntypedFormBuilder, UntypedFormControl, UntypedFormGroup, Validators } from '@angular/forms';
import { MatDialog } from '@angular/material/dialog';
import { Router } from '@angular/router';
import { DmpAccessType } from '@app/core/common/enum/dmp-access-type';
import { IsActive } from '@app/core/common/enum/is-active.enum';
import { Description } from '@app/core/model/description/description';
import { AuthService } from '@app/core/services/auth/auth.service';
import { DescriptionService } from '@app/core/services/description/description.service';
import { DmpService } from '@app/core/services/dmp/dmp.service';
import { FileTransformerService } from '@app/core/services/file-transformer/file-transformer.service';
import { LockService } from '@app/core/services/lock/lock.service';
import { MatomoService } from '@app/core/services/matomo/matomo-service';
import { SnackBarNotificationLevel, UiNotificationService } from '@app/core/services/notification/ui-notification-service';
import { ReferenceTypeService } from '@app/core/services/reference-type/reference-type.service';
import { ReferenceService } from '@app/core/services/reference/reference.service';
import { EnumUtils } from '@app/core/services/utilities/enum-utils.service';
import { FileUtils } from '@app/core/services/utilities/file-utils.service';
import { DmpInvitationDialogComponent } from '@app/ui/dmp/invitation/dialog/dmp-invitation-dialog.component';
import { BaseComponent } from '@common/base/base.component';
import { ConfirmationDialogComponent } from '@common/modules/confirmation-dialog/confirmation-dialog.component';
import { Guid } from '@common/types/guid';
import { TranslateService } from '@ngx-translate/core';
import * as FileSaver from 'file-saver';
import { takeUntil } from 'rxjs/operators';
import { DescriptionStatus } from '../../../../core/common/enum/description-status';
import { DescriptionCopyDialogComponent } from '../../description-copy-dialog/description-copy-dialog.component';
import { AppPermission } from '@app/core/common/enum/permission.enum';

@Component({
	selector: 'app-description-listing-item-component',
	templateUrl: './description-listing-item.component.html',
	styleUrls: ['./description-listing-item.component.scss']
})
export class DescriptionListingItemComponent extends BaseComponent implements OnInit {

	@Input() description: Description;
	@Input() showDivider: boolean = true;
	@Input() isPublic: boolean = false;
	@Output() onClick: EventEmitter<Description> = new EventEmitter();

	isDraft: boolean;
	isDeleted: boolean;
	isUserOwner: boolean;
	descriptionStatusEnum = DescriptionStatus;
	dmpAccessTypeEnum = DmpAccessType;
	canDelete: boolean = false;
	canEdit: boolean = false;
	canInviteDmpUsers: boolean = false;


	constructor(
		private router: Router,
		public enumUtils: EnumUtils,
		private descriptionService: DescriptionService,
		public dialog: MatDialog,
		private language: TranslateService,
		private authService: AuthService,
		private uiNotificationService: UiNotificationService,
		private lockService: LockService,
		private location: Location,
		private matomoService: MatomoService,
		private fileUtils: FileUtils,
		public dmpService: DmpService,
		public referenceService: ReferenceService,
		public referenceTypeService: ReferenceTypeService,
		public fileTransformerService: FileTransformerService,
		private fb: UntypedFormBuilder,
	) {
		super();
	}

	ngOnInit() {
		this.matomoService.trackPageView('Description Listing Item');
		if (this.description.isActive === IsActive.Inactive) {
			this.isDeleted = true;
		} else if (this.description.status === DescriptionStatus.Draft) {
			this.isDraft = true;
			this.isDeleted = false;
			this.setIsUserOwner();
		} else {
			this.isDraft = false;
			this.isDeleted = false;
			this.setIsUserOwner();
		}

		this.canDelete = this.authService.hasPermission(AppPermission.DeleteDescription) ||
			this.description.authorizationFlags?.some(x => x === AppPermission.DeleteDescription);

		this.canEdit = this.authService.hasPermission(AppPermission.EditDescription) ||
			this.description.authorizationFlags?.some(x => x === AppPermission.EditDescription);

		this.canInviteDmpUsers = this.authService.hasPermission(AppPermission.InviteDmpUsers) ||
			this.description.authorizationFlags?.some(x => x === AppPermission.InviteDmpUsers);

	}

	setIsUserOwner() {
		if (this.description) {
			const principalId: string = this.authService.userId()?.toString();
			//TODO: add user to description objects
			//if (principalId) this.isUserOwner = !!this.description.users.find(x => (x.role === Role.Owner) && (principalId === x.id));
		}
	}

	isUserDMPRelated() {
		const principalId: Guid = this.authService.userId();
		return this.description.dmp.dmpUsers?.some(x => (x.user.id === principalId));
	}

	public isAuthenticated(): boolean {
		return this.authService.currentAccountIsAuthenticated();
	}

	getItemLink(): string[] {
		// return this.isPublic ? [`/descriptions/publicEdit/${this.description.id}`] : [`/descriptions/edit/${this.description.id}`];
		return this.isPublic ? ['/descriptions/overview/public/' + this.description.id] : ['/descriptions/overview/' + this.description.id];
	}

	getDmpLink(): string[] {
		return this.isPublic ? [`/explore-plans/overview/public/${this.description.dmp.id}`] : [`/plans/edit/${this.description.dmp.id}`];
	}

	// downloadPDF(description: Description): void {
	// 	this.descriptionService.downloadPDF(description.id.toString())
	// 		.pipe(takeUntil(this._destroyed))
	// 		.subscribe(response => {
	// 			const blob = new Blob([response.body], { type: 'application/pdf' });
	// 			const filename = this.fileUtils.getFilenameFromContentDispositionHeader(response.headers.get('Content-Disposition'));

	// 			FileSaver.saveAs(blob, filename);
	// 			this.matomoService.trackDownload('descriptions', "pdf", description.id.toString());
	// 		});
	// }

	download(description: Description, format: string): void {
		this.descriptionService.download(description.id.toString(), format)
			.pipe(takeUntil(this._destroyed))
			.subscribe(response => {
				const blob = new Blob([response.body], { type: 'application/octet-stream' });
				const filename = this.fileUtils.getFilenameFromContentDispositionHeader(response.headers.get('Content-Disposition'));

				FileSaver.saveAs(blob, filename);
				this.matomoService.trackDownload('descriptions', format, description.id.toString());
			});

	}

	downloadXML(description: Description): void {
		//TODO: add file transformer service
		// this.descriptionService.downloadXML(description.id as string)
		// 	.pipe(takeUntil(this._destroyed))
		// 	.subscribe(response => {
		// 		const blob = new Blob([response.body], { type: 'application/xml' });
		// 		const filename = this.fileUtils.getFilenameFromContentDispositionHeader(response.headers.get('Content-Disposition'));

		// 		FileSaver.saveAs(blob, filename);
		// 		this.matomoService.trackDownload('descriptions', "xml", description.id);
		// 	});
	}

	openShareDialog() {
		// TODO: This is a shared component. Put it in a seperate module.
		const dialogRef = this.dialog.open(DmpInvitationDialogComponent, {
			// height: '250px',
			// width: '700px',
			autoFocus: false,
			restoreFocus: false,
			data: {
				dmpId: this.description.dmp.id,
				dmpName: this.description.dmp.label,
				blueprint: this.description.dmp.blueprint
			}
		});
	}

	copyToDmp(description: Description) {
		const formGroup = this.fb.group({
			dmpId: this.fb.control(null, Validators.required),
			sectionId: this.fb.control(null, Validators.required),
		})
		const dialogRef = this.dialog.open(DescriptionCopyDialogComponent, {
			width: '500px',
			restoreFocus: false,
			data: {
				formGroup: formGroup,
				descriptionId: description.id,
				descriptionTemplate: description.descriptionTemplate,
				descriptionProfileExist: false,
				confirmButton: this.language.instant('DESCRIPTION-LISTING.COPY-DIALOG.COPY'),
				cancelButton: this.language.instant('DESCRIPTION-LISTING.COPY-DIALOG.CANCEL')
			}
		});

		dialogRef.afterClosed().pipe(takeUntil(this._destroyed))
			.subscribe(formGroup => {
				if (formGroup) {
					this.router.navigate(['descriptions/edit/copy/' + description.id + '/' + formGroup.get('dmpId').value + '/' + formGroup.get('sectionId').value]);
				}
			});
	}

	deleteClicked(id: Guid) {
		this.lockService.checkLockStatus(id).pipe(takeUntil(this._destroyed))
			.subscribe(lockStatus => {
				if (!lockStatus.status) {
					this.openDeleteDialog(id);
				} else {
					this.openLockedByUserDialog();
				}
			});
	}

	openDeleteDialog(id: Guid): void {
		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) {
				this.descriptionService.delete(id)
					.pipe(takeUntil(this._destroyed))
					.subscribe(
						complete => this.onDeleteCallbackSuccess(),
						error => this.onDeleteCallbackError(error)
					);
			}
		});
	}

	openLockedByUserDialog() {
		const dialogRef = this.dialog.open(ConfirmationDialogComponent, {
			maxWidth: '400px',
			restoreFocus: false,
			data: {
				message: this.language.instant('DESCRIPTION-LISTING.LOCKED')
			}
		});
	}

	reloadPage(): void {
		const path = this.location.path();
		this.router.navigateByUrl('/reload', { skipLocationChange: true }).then(() => {
			this.router.navigate([path]);
		});
	}

	onDeleteCallbackSuccess(): void {
		this.uiNotificationService.snackBarNotification(this.language.instant('GENERAL.SNACK-BAR.SUCCESSFUL-DELETE'), SnackBarNotificationLevel.Success);
		this.reloadPage();
	}

	onDeleteCallbackError(error) {
		this.uiNotificationService.snackBarNotification(error.error.message ? error.error.message : this.language.instant('GENERAL.SNACK-BAR.UNSUCCESSFUL-DELETE'), SnackBarNotificationLevel.Error);
	}
}