<?php
/** no direct access **/
defined('MECEXEC') or die();

/**
 * Webnus MEC tile class.
 * @author Webnus <info@webnus.net>
 */
class MEC_skin_tile extends MEC_skins
{
    /**
     * @var string
     */
    public $skin = 'tile';
    public $load_method = 'month';

    public $reason_for_cancellation;
    public $display_label;
    public $date_format_clean_1;
    public $date_format_clean_2;

    /**
     * Constructor method
     * @author Webnus <info@webnus.net>
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Registers skin actions into WordPress
     * @author Webnus <info@webnus.net>
     */
    public function actions()
    {
        $this->factory->action('wp_ajax_mec_tile_load_month', array($this, 'load_month'));
        $this->factory->action('wp_ajax_nopriv_mec_tile_load_month', array($this, 'load_month'));

        $this->factory->action('wp_ajax_mec_tile_load_more', array($this, 'load_more'));
        $this->factory->action('wp_ajax_nopriv_mec_tile_load_more', array($this, 'load_more'));
    }

    /**
     * Initialize the skin
     * @author Webnus <info@webnus.net>
     * @param array $atts
     */
    public function initialize($atts)
    {
        $this->atts = $atts;

        // Skin Options
        $this->skin_options = (isset($this->atts['sk-options']) and isset($this->atts['sk-options'][$this->skin])) ? $this->atts['sk-options'][$this->skin] : array();

        // Icons
        $this->icons = $this->main->icons(
            ($this->getPRO() && isset($this->atts['icons']) && is_array($this->atts['icons'])) ? $this->atts['icons'] : []
        );

        $this->date_format_clean_1 = (isset($this->skin_options['clean_date_format1']) and trim($this->skin_options['clean_date_format1'])) ? $this->skin_options['clean_date_format1'] : 'j';
        $this->date_format_clean_2 = (isset($this->skin_options['clean_date_format2']) and trim($this->skin_options['clean_date_format2'])) ? $this->skin_options['clean_date_format2'] : 'M';

        // Search Form Options
        $this->sf_options = (isset($this->atts['sf-options']) and isset($this->atts['sf-options'][$this->skin])) ? $this->atts['sf-options'][$this->skin] : array();

        // reason_for_cancellation
        $this->reason_for_cancellation = isset($this->skin_options['reason_for_cancellation']) ? $this->skin_options['reason_for_cancellation'] : false;

        // display_label
        $this->display_label = isset($this->skin_options['display_label']) ? $this->skin_options['display_label'] : false;

        // Search Form Status
        $this->sf_status = isset($this->atts['sf_status']) ? $this->atts['sf_status'] : true;
        $this->sf_display_label = isset($this->atts['sf_display_label']) ? $this->atts['sf_display_label'] : false;
        $this->sf_reset_button = isset($this->atts['sf_reset_button']) ? $this->atts['sf_reset_button'] : false;
        $this->sf_refine = isset($this->atts['sf_refine']) ? $this->atts['sf_refine'] : false;

        // Generate an ID for the sking
        $this->id = isset($this->atts['id']) ? $this->atts['id'] : mt_rand(100, 999);

        // Show "Load More" button or not
        $this->load_more_button = isset($this->skin_options['load_more_button']) ? $this->skin_options['load_more_button'] : true;

        // Pagination
        $this->pagination = isset($this->skin_options['pagination']) ? $this->skin_options['pagination'] : (!$this->load_more_button ? '0' : 'loadmore');

        // Set the ID
        if(!isset($this->atts['id'])) $this->atts['id'] = $this->id;

        // The style
        $this->style = $this->skin_options['style'] ?? 'clean';
        if($this->style == 'fluent' and !is_plugin_active('mec-fluent-layouts/mec-fluent-layouts.php')) $this->style = 'clean';

        // Next/Previous Month
        $this->next_previous_button = $this->skin_options['next_previous_button'] ?? true;

        // Load Method
        $this->load_method = $this->next_previous_button ? 'month' : 'list';

        // Override the style if the style forced by us in a widget etc
        if(isset($this->atts['style']) and trim($this->atts['style']) != '') $this->style = $this->atts['style'];

        // HTML class
        $this->html_class = '';
        if(isset($this->atts['html-class']) and trim($this->atts['html-class']) != '') $this->html_class = $this->atts['html-class'];

        // Booking Button
        $this->booking_button = isset($this->skin_options['booking_button']) ? (int) $this->skin_options['booking_button'] : 0;

        // SED Method
        $this->sed_method = isset($this->skin_options['sed_method']) ? $this->skin_options['sed_method'] : '0';

        // Image popup
        $this->image_popup = isset($this->skin_options['image_popup']) ? $this->skin_options['image_popup'] : '0';

        // From Widget
        $this->widget = (isset($this->atts['widget']) and trim($this->atts['widget']));

        // From Full Calendar
        $this->from_full_calendar = (isset($this->skin_options['from_fc']) and trim($this->skin_options['from_fc']));

        // Display Price
        $this->display_price = (isset($this->skin_options['display_price']) and trim($this->skin_options['display_price']));

        // The count in row
        $this->count = isset($this->skin_options['count']) ? $this->skin_options['count'] : '3';

        // Init MEC
        $this->args['mec-init'] = true;
        $this->args['mec-skin'] = $this->skin;

        // Post Type
        $this->args['post_type'] = $this->main->get_main_post_type();

        // Post Status
        $this->args['post_status'] = 'publish';

        // Keyword Query
        $this->args['s'] = $this->keyword_query();

        // Taxonomy
        $this->args['tax_query'] = $this->tax_query();

        // Meta
        $this->args['meta_query'] = $this->meta_query();

        // Tag
        if(apply_filters('mec_taxonomy_tag', '') === 'post_tag') $this->args['tag'] = $this->tag_query();

        // Author
        $this->args['author'] = $this->author_query();

        // Pagination Options
        $this->paged = get_query_var('paged', 1);
        $this->limit = (isset($this->skin_options['limit']) and trim($this->skin_options['limit'])) ? $this->skin_options['limit'] : 80;

        $this->args['posts_per_page'] = $this->limit;
        $this->args['paged'] = $this->paged;

        // Sort Options
        $this->args['orderby'] = 'mec_start_day_seconds ID';
        $this->args['order'] = 'ASC';
        $this->args['meta_key'] = 'mec_start_day_seconds';

        // Show Only Expired Events
        $this->show_only_expired_events = (isset($this->atts['show_only_past_events']) and trim($this->atts['show_only_past_events'])) ? '1' : '0';

        // Show Past Events
        if($this->show_only_expired_events) $this->atts['show_past_events'] = '1';

        // Show Past Events
        $this->args['mec-past-events'] = isset($this->atts['show_past_events']) ? $this->atts['show_past_events'] : '0';

        // Start Date
        list($this->year, $this->month, $this->day) = $this->get_start_date();

        $this->start_date = date('Y-m-d', strtotime($this->year.'-'.$this->month.'-'.$this->day));
        $this->active_day = $this->year.'-'.$this->month.'-'.current_time('d');

        // We will extend the end date in the loop
        $this->end_date = $this->start_date;

        // Show Ongoing Events
        $this->show_ongoing_events = (isset($this->atts['show_only_ongoing_events']) and trim($this->atts['show_only_ongoing_events'])) ? '1' : '0';
        if($this->show_ongoing_events)
        {
            $this->args['mec-show-ongoing-events'] = $this->show_ongoing_events;
            if((strpos($this->style, 'fluent') === false && strpos($this->style, 'liquid') === false))
            {
                $this->maximum_date = $this->start_date;
            }
        }

        // Include Ongoing Events
        $this->include_ongoing_events = (isset($this->atts['show_ongoing_events']) and trim($this->atts['show_ongoing_events'])) ? '1' : '0';
        if($this->include_ongoing_events) $this->args['mec-include-ongoing-events'] = $this->include_ongoing_events;

        // Auto Month Rotation
        $this->auto_month_rotation = !isset($this->settings['auto_month_rotation']) || $this->settings['auto_month_rotation'];
    }

    /**
     * Search and returns the filtered events
     * @author Webnus <info@webnus.net>
     * @return array of objects
     */
    public function search()
    {
        if($this->show_only_expired_events)
        {
            $now = date('Y-m-d H:i:s', current_time('timestamp'));
            $start = date('m', strtotime($now)) == date('m', strtotime($this->start_date)) ? $now : date('Y-m-t', strtotime($this->start_date));
            $end = $this->start_date;
        }
        else
        {
            $start = $this->start_date;
            $end = ($this->load_method === 'month' ? date('Y-m-t', strtotime($this->start_date)) : date('Y-m-t', strtotime('+15 Years', strtotime($start))));
        }

        // Date Events
        $dates = $this->period($start, $end, true);

        // Limit
        $this->args['posts_per_page'] = $this->limit;

        $last_timestamp = NULL;
        $last_event_id = NULL;

        $i = 0;
        $found = 0;
        $events = array();
        $qs = array();

        foreach($dates as $date=>$IDs)
        {
            // No Event
            if(!is_array($IDs) or !count($IDs)) continue;

            // Include Available Events
            $this->args['post__in'] = array_unique($IDs);

            // Count of events per day
            $IDs_count = array_count_values($IDs);

            // Extending the end date
            $this->end_date = $date;

            // Continue to load rest of events in the first date
            if($i === 0) $this->args['offset'] = $this->offset;
            // Load all events in the rest of dates
            else
            {
                $this->offset = 0;
                $this->args['offset'] = 0;
            }

            // The Query
            $this->args = apply_filters('mec_skin_query_args', $this->args, $this);

            // Query Key
            $q_key = base64_encode(json_encode($this->args));

            // Get From Cache
            if(isset($qs[$q_key])) $query = $qs[$q_key];
            // Search & Cache
            else
            {
                $query = new WP_Query($this->args);
                $qs[$q_key] = $query;
            }

            if($query->have_posts())
            {
                if(!isset($events[$date])) $events[$date] = array();

                // Day Events
                $d = array();

                // The Loop
                while($query->have_posts())
                {
                    $query->the_post();
                    $ID = get_the_ID();

                    $ID_count = $IDs_count[$ID] ?? 1;
                    for($i = 1; $i <= $ID_count; $i++)
                    {
                        $rendered = $this->render->data($ID);

                        $data = new stdClass();
                        $data->ID = $ID;
                        $data->data = $rendered;

                        $data->date = array
                        (
                            'start' => array('date' => $date),
                            'end' => array('date' => $this->main->get_end_date($date, $rendered))
                        );

                        $event_data = $this->render->after_render($data, $this, $i);

                        $last_timestamp = $event_data->data->time['start_timestamp'];
                        $last_event_id = $ID;

                        $d[] = $event_data;
                        $found++;
                    }

                    if($this->load_method === 'list' and $found >= $this->limit)
                    {
                        // Next Offset
                        $this->next_offset = ($query->post_count-($query->current_post+1)) >= 0 ? ($query->current_post+1)+$this->offset : 0;

                        usort($d, array($this, 'sort_day_events'));
                        $events[$date] = $d;

                        // Restore original Post Data
                        wp_reset_postdata();

                        break 2;
                    }
                }

                usort($d, array($this, 'sort_day_events'));
                $events[$date] = $d;
            }

            // Restore original Post Data
            wp_reset_postdata();

            $i++;
        }

        // Initialize Occurrences' Data
        MEC_feature_occurrences::fetch($events);

        // Set found events
        $this->found = $found;

        // Has More Events
        if($last_timestamp and $last_event_id) $this->has_more_events = (boolean) $this->db->select("SELECT COUNT(id) FROM `#__mec_dates` WHERE `tstart` > ".$last_timestamp." OR (`tstart` = ".$last_timestamp." AND `post_id`!='".$last_event_id."')", 'loadResult');

        return $events;
    }

    /**
     * Returns start day of skin for filtering events
     * @author Webnus <info@webnus.net>
     * @return array
     */
    public function get_start_date()
    {
        // Default date
        $date = current_time('Y-m-d');

        if(isset($this->skin_options['start_date_type']) and $this->skin_options['start_date_type'] == 'start_current_month') $date = date('Y-m-d', strtotime('first day of this month'));
        elseif(isset($this->skin_options['start_date_type']) and $this->skin_options['start_date_type'] == 'start_next_month') $date = date('Y-m-d', strtotime('first day of next month'));
        elseif(isset($this->skin_options['start_date_type']) and $this->skin_options['start_date_type'] == 'start_last_month') $date = date('Y-m-d', strtotime('first day of last month'));
        elseif(isset($this->skin_options['start_date_type']) and $this->skin_options['start_date_type'] == 'date') $date = date('Y-m-d', strtotime($this->skin_options['start_date']));

        // Hide past events
        if(isset($this->atts['show_past_events']) and !trim($this->atts['show_past_events']))
        {
            $today = current_time('Y-m-d');
            if(strtotime($date) < strtotime($today)) $date = $today;
        }

        // Show only expired events
        if(isset($this->show_only_expired_events) and $this->show_only_expired_events)
        {
            $yesterday = date('Y-m-d', strtotime('Yesterday'));
            if(strtotime($date) > strtotime($yesterday)) $date = $yesterday;
        }

        // MEC Next Page
        if(isset($_REQUEST['mec_next_page']) and trim($_REQUEST['mec_next_page']))
        {
            $ex = explode(':', $_REQUEST['mec_next_page']);

            if(strtotime($ex[0])) $date = $ex[0];
            if(isset($ex[1])) $this->offset = $ex[1];
        }

        $time = strtotime($date);
        return array(date('Y', $time), date('m', $time), date('d', $time));
    }

    /**
     * Load month for AJAX request
     * @author Webnus <info@webnus.net>
     * @return void
     */
    public function load_month()
    {
        $this->sf = (isset($_REQUEST['sf']) and is_array($_REQUEST['sf'])) ? $this->main->sanitize_deep_array($_REQUEST['sf']) : array();
        $apply_sf_date = isset($_REQUEST['apply_sf_date']) ? sanitize_text_field($_REQUEST['apply_sf_date']) : 1;
        $atts = $this->sf_apply(((isset($_REQUEST['atts']) and is_array($_REQUEST['atts'])) ? $this->main->sanitize_deep_array($_REQUEST['atts']) : array()), $this->sf, $apply_sf_date);

        $navigator_click = isset($_REQUEST['navigator_click']) && sanitize_text_field($_REQUEST['navigator_click']);

        // Initialize the skin
        $this->initialize($atts);

        // Search Events If Not Found In Current Month
        $c = 0;
        $break = false;

        do
        {
            if($c > 12) $break = true;
            if($c and !$break)
            {
                if(intval($this->month) == 12)
                {
                    $this->year = intval($this->year)+1;
                    $this->month = '01';
                }

                $this->month = sprintf("%02d", intval($this->month)+1);
            }
            else
            {
                // Start Date
                $this->year = isset($_REQUEST['mec_year']) ? sanitize_text_field($_REQUEST['mec_year']) : current_time('Y');
                $this->month = isset($_REQUEST['mec_month']) ? sanitize_text_field($_REQUEST['mec_month']) : current_time('m');
            }

            if($this->show_only_expired_events)
            {
                $this->start_date = date('Y-m-d', strtotime($this->year.'-'.$this->month.'-01'));
                $this->active_day = date('Y-m-t', strtotime($this->year.'-'.$this->month.'-01'));
            }
            else
            {
                $this->start_date = date('Y-m-d', strtotime($this->year.'-'.$this->month.'-01'));

                $day = current_time('d');
                $this->active_day = $this->year.'-'.$this->month.'-'.$day;

                // If date is not valid then use the first day of month
                if(!$this->main->validate_date($this->active_day)) $this->active_day = $this->year.'-'.$this->month.'-01';
            }

            // We will extend the end date in the loop
            $this->end_date = $this->start_date;

            // Return the events
            if($this->load_method === 'month') $this->atts['return_items'] = true;
            else $this->atts['return_only_items'] = true;

            // Fetch the events
            $this->fetch();

            // Break the loop if not result
            if($break) break;
            if($navigator_click) break;

            // Set active day to current day if not result
            if(count($this->events)) $this->active_day = key($this->events);

            // Auto Rotation is Disabled
            if(!$this->auto_month_rotation) break;

            $c++;
        }
        while(!count($this->events));

        // Return the output
        $output = $this->output();

        echo json_encode($output);
        exit;
    }

    /**
     * Load more events for AJAX request
     * @author Webnus <info@webnus.net>
     * @return void
     */
    public function load_more()
    {
        $this->sf = (isset($_REQUEST['sf']) and is_array($_REQUEST['sf'])) ? $this->main->sanitize_deep_array($_REQUEST['sf']) : array();
        $apply_sf_date = isset($_REQUEST['apply_sf_date']) ? sanitize_text_field($_REQUEST['apply_sf_date']) : 1;
        $atts = $this->sf_apply(((isset($_REQUEST['atts']) and is_array($_REQUEST['atts'])) ? $this->main->sanitize_deep_array($_REQUEST['atts']) : array()), $this->sf, $apply_sf_date);

        // Initialize the skin
        $this->initialize($atts);

        // Override variables
        $this->start_date = isset($_REQUEST['mec_start_date']) ? sanitize_text_field($_REQUEST['mec_start_date']) : date('y-m-d');
        $this->end_date = $this->start_date;
        $this->offset = isset($_REQUEST['mec_offset']) ? sanitize_text_field($_REQUEST['mec_offset']) : 0;

        // Apply Maximum Date
        $month = (isset($this->sf) && isset($this->sf['month']) && trim($this->sf['month'])) ? $this->sf['month'] : (isset($_REQUEST['mec_month']) ? $_REQUEST['mec_month'] : '');
        if($apply_sf_date == 1 and trim($month)) $this->maximum_date = date('Y-m-t', strtotime($this->start_date));

        // Return the events
        $this->atts['return_only_items'] = true;

        // Fetch the events
        $this->fetch();

        // Return the output
        $output = $this->output();

        echo json_encode($output);
        exit;
    }
}