<?php
    defined('BASEPATH') OR exit('No direct script access allowed');

    use Coduo\PHPHumanizer\DateTimeHumanizer;

    class Search extends MY_Controller
    {

        public function __construct()
        {
            parent::__construct('home', 'profile');
            $this->load->model('SearchModel', '', TRUE);
            $this->load->model('UserModel', '', TRUE);
            $this->load->model('PostsModel', '', TRUE);
        }

        public function index()
        {
            $query = html_escape($this->input->get('q'));

            $this->load->view('header', ['active' => 'search', 'title' => "Suche - $query", 'additionalStyles' => []]);
            $this->load->view('search', ['query' => $query]);
            $this->load->view('footer', ['additionalScripts' => ['search.js']]);
        }

        public function getSearchResults() {
            header('Content-Type: application/json;charset=utf-8');

            $query = $this->input->post('query');

            if(strlen($query) < 3) {
                echo json_encode(['error' => true, 'message' => 'search-term']);
                exit;
            }

            $offset = filter_var($this->input->post('offset'), FILTER_VALIDATE_INT);
            $filters = is_array($this->input->post('filters')) ? $this->input->post('filters') : [];

            $results = $this->SearchModel->search($query, 5, $offset, $filters);

            if(empty($results)) {
                if($offset > 0) {
                    $message = 'no-further-results';
                } else {
                    $message = 'no-results';
                }
                echo json_encode(['error' => true, 'message' => $message]);
                exit;
            }

            echo json_encode($results, JSON_UNESCAPED_UNICODE);
        }
    }