/* jslint node: true */
'use strict';

//	ENiGMA½
const MenuModule					= require('../core/menu_module.js').MenuModule;
const ViewController				= require('../core/view_controller.js').ViewController;
const getSortedAvailableFileAreas	= require('../core/file_base_area.js').getSortedAvailableFileAreas;
const FileBaseFilters				= require('../core/file_base_filter.js');

//	deps
const async							= require('async');

exports.moduleInfo = {
	name		: 'File Base Search',
	desc		: 'Module for quickly searching the file base',
	author		: 'NuSkooler',
};

const MciViewIds = {
	search : {
		searchTerms	: 1,
		search		: 2,
		tags		: 3,
		area		: 4,
		orderBy		: 5,
		sort		: 6,
		advSearch	: 7,
	}
};

exports.getModule = class FileBaseSearch extends MenuModule {
	constructor(options) {
		super(options);

		this.menuMethods = {
			search : (formData, extraArgs, cb) => {
				const isAdvanced = formData.submitId === MciViewIds.search.advSearch;
				return this.searchNow(formData, isAdvanced, cb);
			},
		};
	}

	mciReady(mciData, cb) {
		super.mciReady(mciData, err => {
			if(err) {
				return cb(err);
			}

			const self	= this;
			const vc	= self.addViewController( 'search', new ViewController( { client : this.client } ) );

			async.series(
				[
					function loadFromConfig(callback) {
						return vc.loadFromMenuConfig( { callingMenu : self, mciMap : mciData.menu }, callback);
					},
					function populateAreas(callback) {
						self.availAreas = [ { name : '-ALL-' } ].concat(getSortedAvailableFileAreas(self.client) || []);
						
						const areasView = vc.getView(MciViewIds.search.area);
						if(areasView) {
							areasView.setItems( self.availAreas.map( a => a.name ) );
						}

						return callback(null);
					}
				],
				err => {
					return cb(err);
				}
			);
		});
	}

	getSelectedAreaTag(index) {
		if(0 === index) {
			return '';	//	-ALL-
		}
		const area = this.availAreas[index];
		if(!area) {
			return '';
		}
		return area.areaTag;
	}

	getOrderBy(index) {
		return FileBaseFilters.OrderByValues[index] || FileBaseFilters.OrderByValues[0];
	}

	getSortBy(index) {
		return FileBaseFilters.SortByValues[index] || FileBaseFilters.SortByValues[0];
	}

	getFilterValuesFromFormData(formData, isAdvanced) {
		const areaIndex		= isAdvanced ? formData.value.areaIndex : 0;
		const orderByIndex	= isAdvanced ? formData.value.orderByIndex : 0;
		const sortByIndex	= isAdvanced ? formData.value.sortByIndex : 0;

		return {
			areaTag		: this.getSelectedAreaTag(areaIndex),
			terms		: formData.value.searchTerms,
			tags		: isAdvanced ? formData.value.tags : '',
			order		: this.getOrderBy(orderByIndex),
			sort		: this.getSortBy(sortByIndex),
		};
	}

	searchNow(formData, isAdvanced, cb) {
		const filterCriteria = this.getFilterValuesFromFormData(formData, isAdvanced);

		const menuOpts = {
			extraArgs	: {
				filterCriteria	: filterCriteria,
			}
		};

		return this.gotoMenu(this.menuConfig.config.fileBaseListEntriesMenu || 'fileBaseListEntries', menuOpts, cb);
	}
};