// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
//
// This software (Documize Community Edition) is licensed under
// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
//
// You can operate outside the AGPL restrictions by purchasing
// Documize Enterprise Edition and obtaining a commercial license
// by contacting <sales@documize.com>.
//
// https://documize.com

import Ember from 'ember';
import NotifierMixin from '../../mixins/notifier';
import TooltipMixin from '../../mixins/tooltip';
import AuthMixin from '../../mixins/auth';

const {
	inject: { service }
} = Ember;

export default Ember.Component.extend(NotifierMixin, TooltipMixin, AuthMixin, {
	router: service(),
	documentService: service('document'),
	folderService: service('folder'),
	localStorage: service('localStorage'),
	selectedDocuments: [],
	hasSelectedDocuments: Ember.computed.gt('selectedDocuments.length', 0),
	showStartDocument: false,
	filteredDocs: [],
	selectedCategory: '',

	didReceiveAttrs() {
		this._super(...arguments);

		let categories = this.get('categories');
		let categorySummary = this.get('categorySummary');
		let selectedCategory = '';

		categories.forEach((cat)=> {
			let summary = _.findWhere(categorySummary, {type: "documents", categoryId: cat.get('id')});
			let docCount =  is.not.undefined(summary) ? summary.count : 0;
			cat.set('docCount', docCount);
			if (docCount > 0 && selectedCategory === '') selectedCategory = cat.get('id');
		});

		this.set('categories', categories);
		this.set('selectedCategory', selectedCategory);

		// Default document view logic:
		//
		// 1. show space root documents if we have any
		// 2. show category documents for first category that has documents
		if (this.get('rootDocCount') > 0) {
			this.send('onDocumentFilter', 'space', this.get('folder.id'));
		} else {
			if (selectedCategory !== '') {
				this.send('onDocumentFilter', 'category', selectedCategory);
			}
		}
	},

	didRender() {
		this._super(...arguments);

		if (this.get('categories.length') > 0) {
			this.addTooltip(document.getElementById("uncategorized-button"));
		}
	},

	willDestroyElement() {
		this._super(...arguments);

		if (this.get('isDestroyed') || this.get('isDestroying')) return;

		this.destroyTooltips();
	},

	actions: {
		onMoveDocument(folder) {
			let self = this;
			let documents = this.get('selectedDocuments');

			documents.forEach(function (documentId) {
				self.get('documentService').getDocument(documentId).then(function (doc) {
					doc.set('folderId', folder);
					doc.set('selected', !doc.get('selected'));
					self.get('documentService').save(doc).then(function () {
						self.attrs.onRefresh();
					});
				});
			});

			this.set('selectedDocuments', []);
			this.send("showNotification", "Moved");
		},

		onDeleteDocument() {
			let documents = this.get('selectedDocuments');
			let self = this;
			let promises = [];

			documents.forEach(function (document, index) {
				promises[index] = self.get('documentService').deleteDocument(document);
			});

			Ember.RSVP.all(promises).then(() => {
				let documents = this.get('documents');
				documents.forEach(function (document) {
					document.set('selected', false);
				});
				this.set('documents', documents);

				this.set('selectedDocuments', []);
				this.send("showNotification", "Deleted");
				this.attrs.onRefresh();
			});
		},

		onDeleteSpace() {
			this.get('folderService').delete(this.get('folder.id')).then(() => { /* jshint ignore:line */
				this.showNotification("Deleted");
				this.get('localStorage').clearSessionItem('folder');
				this.get('router').transitionTo('application');
			});
		},

		onImport() {
			this.attrs.onRefresh();
		},

		onStartDocument() {
			this.set('showStartDocument', !this.get('showStartDocument'));
		},

		onHideStartDocument() {
			this.set('showStartDocument', false);
		},

		onDocumentFilter(filter, id) {
			let docs = this.get('documents');
			let categoryMembers = this.get('categoryMembers');
			let filtered = [];

			// filter doc list by category
			if (filter === 'category') {
				let allowed = _.pluck(_.where(categoryMembers, {'categoryId': id}), 'documentId');
				docs.forEach((d) => {
					if (_.contains(allowed, d.get('id'))) {
						filtered.pushObject(d);
					}
				});
			}

			// filter doc list by space (i.e. have no category)
			if (filter === 'space') {
				this.set('selectedCategory', id);
				let allowed = _.pluck(categoryMembers, 'documentId');
				docs.forEach((d) => {
					if (!_.contains(allowed, d.get('id'))) {
						filtered.pushObject(d);
					}
				});
			}

			this.set('filteredDocs', filtered);
			this.set('selectedCategory', id);
		}
	}
});