'use strict';

var searchController = {},
	validator = require('validator'),
	plugins = require('../plugins'),
	search = require('../search'),
	categories = require('../categories'),
	pagination = require('../pagination'),
	helpers = require('./helpers');


searchController.search = function(req, res, next) {
	if (!plugins.hasListeners('filter:search.query')) {
		return next();
	}

	req.params.term = validator.escape(req.params.term);
	var page = Math.max(1, parseInt(req.query.page, 10)) || 1;
	if (req.query.categories && !Array.isArray(req.query.categories)) {
		req.query.categories = [req.query.categories];
	}

	var data = {
		query: req.params.term,
		searchIn: req.query.in || 'posts',
		postedBy: req.query.by,
		categories: req.query.categories,
		searchChildren: req.query.searchChildren,
		replies: req.query.replies,
		repliesFilter: req.query.repliesFilter,
		timeRange: req.query.timeRange,
		timeFilter: req.query.timeFilter,
		sortBy: req.query.sortBy,
		sortDirection: req.query.sortDirection,
		page: page,
		uid: req.uid
	};

	search.search(data, function(err, results) {
		if (err) {
			return next(err);
		}

		results.pagination = pagination.create(page, results.pageCount, req.query);
		results.showAsPosts = !req.query.showAs || req.query.showAs === 'posts';
		results.showAsTopics = req.query.showAs === 'topics';
		results.breadcrumbs = helpers.buildBreadcrumbs([{text: '[[global:search]]'}]);
		results.expandSearch = !req.params.term;

		plugins.fireHook('filter:search.build', {data: data, results: results}, function(err, data) {
			if (err) {
				return next(err);
			}
			res.render('search', data.results);
		});
	});
};

module.exports = searchController;