<?php
defined('ABSPATH') || exit;

require_once NEWSLETTER_INCLUDES_DIR . '/controls.php';

$controls = new NewsletterControls();
$module = NewsletterUsers::instance();

$options = $controls->data;
$options_profile = get_option('newsletter_profile');
$options_main = get_option('newsletter_main');

// Move to base zero
if ($controls->is_action()) {
    if ($controls->is_action('reset')) {
        $controls->data = array();
    } else {
        $controls->data['search_page'] = (int) $controls->data['search_page'] - 1;
    }
    $module->save_options($controls->data, 'search');
} else {
    $controls->data = $module->get_options('search');
    if (empty($controls->data['search_page']))
        $controls->data['search_page'] = 0;
}

if ($controls->is_action('resend')) {
    $user = $module->get_user($controls->button_data);
    NewsletterSubscription::instance()->send_message('confirmation', $user, true);
    $controls->messages = __('Activation email sent.', 'newsletter');
}

if ($controls->is_action('resend_welcome')) {
    $user = $module->get_user($controls->button_data);
    NewsletterSubscription::instance()->send_message('confirmed', $user, true);
    $controls->messages = __('Welcome email sent.', 'newsletter');
}

if ($controls->is_action('remove')) {
    $module->delete_user($controls->button_data);
    unset($controls->data['subscriber_id']);
}

if ($controls->is_action('delete_selected')) {
    $r = Newsletter::instance()->delete_user($_POST['ids']);
    $controls->messages .= $r . ' user(s) deleted';
}

// We build the query condition
$where = 'where 1=1';
$query_args = array();
$text = trim($controls->get_value('search_text'));
if ($text) {
    $query_args[] = '%' . $text . '%';
    $query_args[] = '%' . $text . '%';
    $query_args[] = '%' . $text . '%';
    $where .= " and (email like %s or name like %s or surname like %s)";
}

if (!empty($controls->data['search_status'])) {
    if ($controls->data['search_status'] == 'T') {
        $where .= " and test=1";
    } else {
        $query_args[] = $controls->data['search_status'];
        $where .= " and status=%s";
    }
}

if (!empty($controls->data['search_list'])) {
    $where .= " and list_" . ((int) $controls->data['search_list']) . "=1";
}

$filtered = $where != 'where 1=1';

// Total items, total pages
$items_per_page = 20;
if (!empty($query_args)) {
    $where = $wpdb->prepare($where, $query_args);
}
$count = Newsletter::instance()->store->get_count(NEWSLETTER_USERS_TABLE, $where);
$last_page = floor($count / $items_per_page) - ($count % $items_per_page == 0 ? 1 : 0);
if ($last_page < 0)
    $last_page = 0;

if ($controls->is_action('last')) {
    $controls->data['search_page'] = $last_page;
}
if ($controls->is_action('first')) {
    $controls->data['search_page'] = 0;
}
if ($controls->is_action('next')) {
    $controls->data['search_page'] = (int) $controls->data['search_page'] + 1;
}
if ($controls->is_action('prev')) {
    $controls->data['search_page'] = (int) $controls->data['search_page'] - 1;
}
if ($controls->is_action('search')) {
    $controls->data['search_page'] = 0;
}

// Eventually fix the page
if ($controls->data['search_page'] < 0)
    $controls->data['search_page'] = 0;
if ($controls->data['search_page'] > $last_page)
    $controls->data['search_page'] = $last_page;

$query = "select * from " . NEWSLETTER_USERS_TABLE . ' ' . $where . " order by id desc";
$query .= " limit " . ($controls->data['search_page'] * $items_per_page) . "," . $items_per_page;
$list = $wpdb->get_results($query);

// Move to base 1
$controls->data['search_page'] ++;
?>

<div class="wrap tnp-users tnp-users-index" id="tnp-wrap">

    <?php include NEWSLETTER_DIR . '/tnp-header.php'; ?>

    <div id="tnp-heading">

        <h2><?php _e('Subscribers', 'newsletter') ?>
            <a class="tnp-btn-h1" href="?page=newsletter_users_new"><?php _e('Add a subscriber', 'newsletter') ?></a>
        </h2>

    </div>

    <div id="tnp-body">

        <form id="channel" method="post" action="">
            <?php $controls->init(); ?>

            <div class="tnp-subscribers-search">
                <?php $controls->text('search_text', 45, __('Search text', 'newsletter')); ?>

                <?php _e('filter by', 'newsletter') ?>:
                <?php $controls->select('search_status', array('' => 'Any status', 'T' => 'Test subscribers', 'C' => 'Confirmed', 'S' => 'Not confirmed', 'U' => 'Unsubscribed', 'B' => 'Bounced')); ?>
                <?php $controls->lists_select('search_list', '-'); ?>

                <?php $controls->button('search', __('Search', 'newsletter')); ?>
                <?php if ($where != "where 1=1") { ?>
                    <?php $controls->button('reset', __('Reset Filters', 'newsletter')); ?>
                <?php } ?>
                <br>
                <?php $controls->checkbox('show_preferences', __('Show lists', 'newsletter')); ?>
            </div>

            <?php if ($filtered) { ?>
                <p><?php _e('The list below is filtered.', 'newsletter') ?></p>
            <?php } ?>        

            <div class="tnp-paginator">

                <?php $controls->button('first', '«'); ?>
                <?php $controls->button('prev', '‹'); ?>
                <?php $controls->text('search_page', 3); ?> of <?php echo $last_page + 1 ?> <?php $controls->button('go', __('Go', 'newsletter')); ?>
                <?php $controls->button('next', '›'); ?>
                <?php $controls->button('last', '»'); ?>

                <?php echo $count ?> <?php _e('subscriber(s) found', 'newsletter') ?>
                
                <?php $controls->button_confirm('delete_selected', __('Delete selected', 'newsletter')); ?>

            </div>

            <table class="widefat">
                <thead>
                    <tr>
                        <th><input type="checkbox" onchange="jQuery('input.tnp-selector').prop('checked', this.checked)"</th>
                        <th>Id</th>
                        <th>Email</th>
                        <th><?php _e('Name', 'newsletter') ?></th>
                        <th><?php _e('Status', 'newsletter') ?></th>
                        <?php if (isset($options['show_preferences']) && $options['show_preferences'] == 1) { ?>
                            <th><?php _e('Lists', 'newsletter') ?></th>
                        <?php } ?>
                        <th>&nbsp;</th>
                        <th>&nbsp;</th>
                        <th>&nbsp;</th>
                    </tr>
                </thead>
                <?php $i = 0; ?>
                <?php foreach ($list as $s) { ?>
                    <tr class="<?php echo ($i++ % 2 == 0) ? 'alternate' : ''; ?>">
                        <td><input class="tnp-selector" type="checkbox" name="ids[]" value="<?php echo $s->id; ?>"/></td>
                        <td>
                            <?php echo $s->id; ?>
                        </td>

                        <td>
                            <?php echo esc_html($s->email); ?>
                        </td>
                        
                        <td>
                            <?php echo esc_html($s->name); ?> <?php echo esc_html($s->surname); ?>
                        </td>

                        <td>
                            <small>
                                <?php echo $module->get_user_status_label($s) ?>
                            </small>
                        </td>

                        <?php if (isset($options['show_preferences']) && $options['show_preferences'] == 1) { ?>
                            <td>
                                <small>
                                    <?php
                                    $lists = $module->get_lists();
                                    foreach ($lists as $item) {
                                        $l = 'list_' . $item->id;
                                        if ($s->$l == 1)
                                            echo esc_html($item->name) . '<br>';
                                    }
                                    ?>
                                </small>
                            </td>
                        <?php } ?>

                        <td>
                            <a class="button-secondary" href="<?php echo $module->get_admin_page_url('edit'); ?>&amp;id=<?php echo $s->id; ?>"><?php _e('Edit', 'newsletter') ?></a>
                        </td>
                        <td>
                            <?php $controls->button_confirm('remove', __('Remove', 'newsletter'), '', $s->id); ?>
                        </td>
                        <td style="text-align: center">    
                            <?php if ($s->status == "C") { ?>
                            <?php $controls->button_confirm('resend_welcome', __('Resend welcome', 'newsletter'), '', $s->id); ?>
                            <?php } else { ?>
                            <?php $controls->button_confirm('resend', __('Resend activation', 'newsletter'), '', $s->id); ?>
                            <?php } ?>
                        </td>

                    </tr>
                <?php } ?>
            </table>
            <div class="tnp-paginator">

                <?php $controls->button('first', '«'); ?>
                <?php $controls->button('prev', '‹'); ?>
                <?php $controls->text('search_page', 3); ?> of <?php echo $last_page + 1 ?> <?php $controls->button('go', __('Go', 'newsletter')); ?>
                <?php $controls->button('next', '›'); ?>
                <?php $controls->button('last', '»'); ?>
            </div>
        </form>
    </div>

    <?php include NEWSLETTER_DIR . '/tnp-footer.php'; ?>

</div>
