import { Location } from '@angular/common';
import {
    Component,
    ComponentFactoryResolver,
    OnInit,
    ViewChild,
    ViewContainerRef,
} from '@angular/core';
import {
    ActivatedRoute,
    Router,
} from '@angular/router';

import { CipherType } from 'jslib/enums/cipherType';

import { CipherView } from 'jslib/models/view/cipherView';
import { FolderView } from 'jslib/models/view/folderView';

import { ModalComponent } from '../modal.component';

import { AddEditComponent } from './add-edit.component';
import { AttachmentsComponent } from './attachments.component';
import { CiphersComponent } from './ciphers.component';
import { FolderAddEditComponent } from './folder-add-edit.component';
import { GroupingsComponent } from './groupings.component';
import { OrganizationsComponent } from './organizations.component';

import { I18nService } from 'jslib/abstractions/i18n.service';
import { SyncService } from 'jslib/abstractions/sync.service';

@Component({
    selector: 'app-vault',
    templateUrl: 'vault.component.html',
})
export class VaultComponent implements OnInit {
    @ViewChild(GroupingsComponent) groupingsComponent: GroupingsComponent;
    @ViewChild(CiphersComponent) ciphersComponent: CiphersComponent;
    @ViewChild(OrganizationsComponent) organizationsComponent: OrganizationsComponent;
    @ViewChild('attachments', { read: ViewContainerRef }) attachmentsModalRef: ViewContainerRef;
    @ViewChild('folderAddEdit', { read: ViewContainerRef }) folderAddEditModalRef: ViewContainerRef;
    @ViewChild('cipherAddEdit', { read: ViewContainerRef }) cipherAddEditRef: ViewContainerRef;

    cipherId: string = null;
    favorites: boolean = false;
    type: CipherType = null;
    folderId: string = null;
    collectionId: string = null;

    private modal: ModalComponent = null;

    constructor(private syncService: SyncService, private route: ActivatedRoute,
        private router: Router, private location: Location,
        private i18nService: I18nService, private componentFactoryResolver: ComponentFactoryResolver) { }

    async ngOnInit() {
        this.route.queryParams.subscribe(async (params) => {
            await this.syncService.fullSync(true);
            await Promise.all([
                this.groupingsComponent.load(),
                this.organizationsComponent.load(),
            ]);

            if (params == null) {
                this.groupingsComponent.selectedAll = true;
                await this.ciphersComponent.load();
                return;
            }

            if (params.favorites) {
                this.groupingsComponent.selectedFavorites = true;
                await this.filterFavorites();
            } else if (params.type) {
                const t = parseInt(params.type, null);
                this.groupingsComponent.selectedType = t;
                await this.filterCipherType(t);
            } else if (params.folderId) {
                this.groupingsComponent.selectedFolder = true;
                this.groupingsComponent.selectedFolderId = params.folderId;
                await this.filterFolder(params.folderId);
            } else if (params.collectionId) {
                this.groupingsComponent.selectedCollectionId = params.collectionId;
                await this.filterCollection(params.collectionId);
            } else {
                this.groupingsComponent.selectedAll = true;
                await this.ciphersComponent.load();
            }
        });
    }

    async clearGroupingFilters() {
        this.groupingsComponent.searchPlaceholder = this.i18nService.t('searchVault');
        await this.ciphersComponent.load();
        this.clearFilters();
        this.go();
    }

    async filterFavorites() {
        this.groupingsComponent.searchPlaceholder = this.i18nService.t('searchFavorites');
        await this.ciphersComponent.load((c) => c.favorite);
        this.clearFilters();
        this.favorites = true;
        this.go();
    }

    async filterCipherType(type: CipherType) {
        this.groupingsComponent.searchPlaceholder = this.i18nService.t('searchType');
        await this.ciphersComponent.load((c) => c.type === type);
        this.clearFilters();
        this.type = type;
        this.go();
    }

    async filterFolder(folderId: string) {
        folderId = folderId === 'none' ? null : folderId;
        this.groupingsComponent.searchPlaceholder = this.i18nService.t('searchFolder');
        await this.ciphersComponent.load((c) => c.folderId === folderId);
        this.clearFilters();
        this.folderId = folderId == null ? 'none' : folderId;
        this.go();
    }

    async filterCollection(collectionId: string) {
        this.groupingsComponent.searchPlaceholder = this.i18nService.t('searchCollection');
        await this.ciphersComponent.load((c) => c.collectionIds.indexOf(collectionId) > -1);
        this.clearFilters();
        this.collectionId = collectionId;
        this.go();
    }

    filterSearchText(searchText: string) {
        this.ciphersComponent.searchText = searchText;
    }

    editCipherAttachments(cipher: CipherView) {
        if (this.modal != null) {
            this.modal.close();
        }

        const factory = this.componentFactoryResolver.resolveComponentFactory(ModalComponent);
        this.modal = this.attachmentsModalRef.createComponent(factory).instance;
        const childComponent = this.modal.show<AttachmentsComponent>(AttachmentsComponent, this.attachmentsModalRef);

        childComponent.cipherId = cipher.id;
        let madeAttachmentChanges = false;
        childComponent.onUploadedAttachment.subscribe(() => madeAttachmentChanges = true);
        childComponent.onDeletedAttachment.subscribe(() => madeAttachmentChanges = true);

        this.modal.onClosed.subscribe(async () => {
            this.modal = null;
            if (madeAttachmentChanges) {
                await this.ciphersComponent.refresh();
            }
            madeAttachmentChanges = false;
        });
    }

    async addFolder() {
        if (this.modal != null) {
            this.modal.close();
        }

        const factory = this.componentFactoryResolver.resolveComponentFactory(ModalComponent);
        this.modal = this.folderAddEditModalRef.createComponent(factory).instance;
        const childComponent = this.modal.show<FolderAddEditComponent>(
            FolderAddEditComponent, this.folderAddEditModalRef);

        childComponent.folderId = null;
        childComponent.onSavedFolder.subscribe(async (folder: FolderView) => {
            this.modal.close();
            await this.groupingsComponent.loadFolders();
        });

        this.modal.onClosed.subscribe(() => {
            this.modal = null;
        });
    }

    async editFolder(folderId: string) {
        if (this.modal != null) {
            this.modal.close();
        }

        const factory = this.componentFactoryResolver.resolveComponentFactory(ModalComponent);
        this.modal = this.folderAddEditModalRef.createComponent(factory).instance;
        const childComponent = this.modal.show<FolderAddEditComponent>(
            FolderAddEditComponent, this.folderAddEditModalRef);

        childComponent.folderId = folderId;
        childComponent.onSavedFolder.subscribe(async (folder: FolderView) => {
            this.modal.close();
            await this.groupingsComponent.loadFolders();
        });
        childComponent.onDeletedFolder.subscribe(async (folder: FolderView) => {
            this.modal.close();
            await this.groupingsComponent.loadFolders();
        });

        this.modal.onClosed.subscribe(() => {
            this.modal = null;
        });
    }

    addCipher() {
        const component = this.editCipher(null);
        component.type = this.type;
        component.folderId = this.folderId === 'none' ? null : this.folderId;
    }

    editCipher(cipher: CipherView) {
        if (this.modal != null) {
            this.modal.close();
        }

        const factory = this.componentFactoryResolver.resolveComponentFactory(ModalComponent);
        this.modal = this.cipherAddEditRef.createComponent(factory).instance;
        const childComponent = this.modal.show<AddEditComponent>(
            AddEditComponent, this.cipherAddEditRef);

        childComponent.cipherId = cipher == null ? null : cipher.id;
        childComponent.onSavedCipher.subscribe(async (c: CipherView) => {
            this.modal.close();
            await this.ciphersComponent.refresh();
        });
        childComponent.onDeletedCipher.subscribe(async (c: CipherView) => {
            this.modal.close();
            await this.ciphersComponent.refresh();
        });

        this.modal.onClosed.subscribe(() => {
            this.modal = null;
        });

        return childComponent;
    }

    private clearFilters() {
        this.folderId = null;
        this.collectionId = null;
        this.favorites = false;
        this.type = null;
    }

    private go(queryParams: any = null) {
        if (queryParams == null) {
            queryParams = {
                cipherId: this.cipherId,
                favorites: this.favorites ? true : null,
                type: this.type,
                folderId: this.folderId,
                collectionId: this.collectionId,
            };
        }

        const url = this.router.createUrlTree(['vault'], { queryParams: queryParams }).toString();
        this.location.go(url);
    }
}