<?php

// make shortcodes from functions in functions.php
add_shortcode('tsml_group_count', 'tsml_count_groups');
add_shortcode('tsml_location_count', 'tsml_count_locations');
add_shortcode('tsml_meeting_count', 'tsml_count_meetings');
add_shortcode('tsml_region_count', 'tsml_count_regions');

// function for shortcode: get a table of the next $count meetings
// used here and in widgets.php
function tsml_next_meetings($arguments)
{
    global $tsml_meeting_attendance_options;
    $arguments = shortcode_atts(['count' => 5, 'message' => ''], $arguments, 'tsml_next_meetings');
    $meetings = tsml_get_meetings([
        'day' => intval(current_time('w')),
        'time' => 'upcoming',
        'attendance_option' => 'active',
    ]);
    if (!count($meetings) && empty($arguments['message'])) {
        return false;
    }
    if (!count($meetings) && !empty($arguments['message'])) {
        return '<div class="tsml-no-upcoming-meetings">' . sanitize_text_field($arguments['message']) . '</div>';
    }

    $meetings = array_slice($meetings, 0, $arguments['count']);
    $rows = '';
    foreach ($meetings as $meeting) {
        $meeting_types = $classes = '';
        if (!empty($meeting['types'])) {
            $classes = tsml_to_css_classes($meeting['types']);
            $meeting_types = ' <small><span class="meeting_types">' . tsml_format_types($meeting['types']) . '</span></small>';
        }

        if (!empty($meeting['notes'])) {
            $classes .= ' notes';
        }

        $meeting_location = '';
        if (!empty($meeting['location'])) {
            $meeting_location = $meeting['location'];
        }

        if ($meeting['attendance_option'] == 'online' || $meeting['attendance_option'] == 'inactive') {
            $meeting_location = !empty($meeting['group']) ? $meeting['group'] : '';
        }

        $region = '';
        if (!empty($meeting['sub_region'])) {
            $region = $meeting['sub_region'];
        } elseif (!empty($meeting['region'])) {
            $region = $meeting['region'];
        }

        $rows .= '<tr class="meeting ' . $classes . ' attendance-' . $meeting['attendance_option'] . '">
				<td class="time">' . tsml_format_time($meeting['time']) . '</td>
				<td class="name"><a href="' . $meeting['url'] . '">' . @$meeting['name'] . '</a>' . $meeting_types . '</td>
				<td class="location">
					<div class="location-name">' . $meeting_location . '</div>
					<div class="attendance-option attendance-' . $meeting['attendance_option'] . '"><small>' . ($meeting['attendance_option'] != 'in_person' ? $tsml_meeting_attendance_options[$meeting['attendance_option']] : '') . '</small></div>
				</td>
				<td class="region">' . $region . '</td>
			</tr>';
    }
    return '
	<style>
		table.tsml_next_meetings div.attendance-hybrid small,
		table.tsml_next_meetings div.attendance-online small {
			color: green;
		}

		table.tsml_next_meetings div.attendance-inactive small {
			color: #d40047;
		}
	</style>
	<table class="tsml_next_meetings table table-striped">
		<thead>
			<tr>
				<th class="time">' . __('Time', '12-step-meeting-list') . '</th>
				<th class="name">' . __('Meeting', '12-step-meeting-list') . '</th>
				<th class="location">' . __('Location', '12-step-meeting-list') . '</th>
				<th class="region">' . __('Region', '12-step-meeting-list') . '</th>
			</tr>
		</thead>
		<tbody>' . $rows . '</tbody>
	</table>';
}
add_shortcode('tsml_next_meetings', 'tsml_next_meetings');

// output a list of types with links for AA-DC
add_shortcode('tsml_types_list', function () {
    global $tsml_types_in_use, $tsml_programs, $tsml_program, $tsml_user_interface;
    $types = [];
    foreach ($tsml_types_in_use as $type) {
        if ($tsml_user_interface === 'tsml_ui') {
            $filter_url = tsml_meetings_url([
                'type' => str_replace(' ', '-', strtolower($tsml_programs[$tsml_program]['types'][$type]))
            ]);
        } else {
            $filter_url = tsml_meetings_url(['tsml-day' => 'any', 'tsml-type' => $type]);
        }
        $types[$tsml_programs[$tsml_program]['types'][$type]] = '<li><a href="' . $filter_url . '">' . $tsml_programs[$tsml_program]['types'][$type] . '</a></li>';
    }
    ksort($types);
    return '<h3>Types</h3><ul>' . implode($types) . '</ul>';
});

// output a react meeting finder widget https://github.com/code4recovery/tsml-ui
function tsml_ui($arguments = [])
{
    global $tsml_nonce, $tsml_conference_providers, $tsml_language, $tsml_programs, $tsml_program, $tsml_ui_config,
    $tsml_feedback_addresses, $tsml_cache, $tsml_cache_writable, $tsml_distance_units, $tsml_columns, $tsml_timezone;

    $defaults = shortcode_atts([
        'distance' => '',
        'mode' => '',
        'region' => '',
        'search' => '',
        'time' => '',
        'type' => '',
        'view' => '',
        'weekday' => '',
    ], $arguments, 'tsml_ui');

    // sanitize arrays
    foreach (['region', 'time', 'type', 'weekday'] as $key) {
        $defaults[$key] = explode(',', $defaults[$key]);
        $defaults[$key] = array_map('sanitize_title', $defaults[$key]);
        $defaults[$key] = array_filter($defaults[$key]);
    }

    // sanitize search
    $defaults['search'] = sanitize_text_field($defaults['search']);

    // view must either be table or map
    if (!in_array($defaults['view'], ['table', 'map'])) {
        $defaults['view'] = 'table';
    }

    // mode must either be search, location, or me
    if (!in_array($defaults['mode'], ['search', 'location', 'me'])) {
        $defaults['mode'] = 'search';
    }

    // distance must be an integer
    $defaults['distance'] = intval($defaults['distance']);
    $defaults['distance'] = in_array($defaults['distance'], [1, 2, 5, 10, 15, 25, 50, 100])
        ? [strval($defaults['distance'])]
        : [];


    // enqueue app script
    $js = defined('TSML_UI_PATH') ? TSML_UI_PATH : 'https://tsml-ui.code4recovery.org/app.js';
    wp_enqueue_script('tsml_ui', $js, [], TSML_VERSION, ['in_footer' => true, 'strategy' => 'async']);

    // get program types and type descriptions
    $types = !empty($tsml_programs[$tsml_program]['types'])
        ? $tsml_programs[$tsml_program]['types']
        : [];
    $type_descriptions = !empty($tsml_programs[$tsml_program]['type_descriptions'])
        ? $tsml_programs[$tsml_program]['type_descriptions']
        : [];

    // apply settings
    wp_localize_script(
        'tsml_ui',
        'tsml_react_config',
        array_merge(
            [
                'columns' => array_keys($tsml_columns),
                'defaults' => $defaults,
                'conference_providers' => $tsml_conference_providers,
                'distance_unit' => $tsml_distance_units,
                'feedback_emails' => array_values($tsml_feedback_addresses),
                'flags' => $tsml_programs[$tsml_program]['flags'],
                'strings' => [
                    $tsml_language => array_merge($tsml_columns, compact('types', 'type_descriptions')),
                ],
            ],
            $tsml_ui_config
        )
    );

    // use meetings.json if it's writable, otherwise use the admin-ajax URL to the feed
    $data = $tsml_cache_writable && file_exists(WP_CONTENT_DIR . $tsml_cache)
        ? content_url($tsml_cache) . '?' . filemtime(WP_CONTENT_DIR . $tsml_cache)
        : admin_url('admin-ajax.php') . '?action=meetings&nonce=' . wp_create_nonce($tsml_nonce);

    // remove URL domain to fix CORS issues caused by GoDaddy Managed WP
    $url = parse_url($data);
    $data = $url['path'] . '?' . $url['query'];

    return '<div id="tsml-ui" data-src="' . $data . '" data-timezone="' . $tsml_timezone . '"></div>';
}
add_shortcode('tsml_react', 'tsml_ui');
add_shortcode('tsml_ui', 'tsml_ui');

// output a list of regions with links for AA-DC
add_shortcode('tsml_regions_list', function () {
    // run function recursively
    function get_regions($parent = 0)
    {
        global $tsml_user_interface;
        $taxonomy = 'tsml_region';
        // phpcs:ignore
        $terms = get_terms(compact('taxonomy', 'parent'));
        if (!count($terms)) {
            return;
        }

        foreach ($terms as &$term) {
            if ($tsml_user_interface === 'tsml_ui') {
                $filter_url = tsml_meetings_url(['region' => $term->slug]);
            } else {
                $filter_url = tsml_meetings_url(
                    ['tsml-day' => 'any', 'tsml-region' => $term->slug]
                );
            }
            $term = '<li><a href="' . $filter_url . '">' . $term->name . '</a>' . get_regions($term->term_id) . '</li>';
        }
        return '<ul>' . implode($terms) . '</ul>';
    }

    return '<h3>Regions</h3>' . get_regions();
});
