<?php
/**
 * Theme hooks.
 *
 * @package Be_Dentist
 */

// Menu description
add_filter('walker_nav_menu_start_el', 'be_dentist_nav_menu_description', 10, 4);

// Rewrite thumbnail size for non-deafult blog formats
add_filter('be_dentist_post_thumbail_size', 'be_dentist_set_thumb_sizes');

// Sidebars classes.
add_filter('be_dentist_widget_area_classes', 'be_dentist_set_sidebar_classes', 10, 2);

// Add row to footer area classes
add_filter('be_dentist_widget_area_classes', 'be_dentist_add_footer_widgets_wrapper_classes', 10, 2);

// Set footer columns
add_filter('dynamic_sidebar_params', 'be_dentist_get_footer_widget_layout');

// Adapt default image post format classes to current theme
add_filter('cherry_post_formats_image_css_model', 'be_dentist_add_image_format_classes', 10, 2);

// Enqueue sticky menu if required
add_filter('be_dentist_theme_script_depends', 'be_dentist_enqueue_misc');

// Add has/no thumbnail classes for posts
add_filter('post_class', 'be_dentist_post_thumb_classes');

// Modify a comment form.
add_filter('comment_form_defaults', 'be_dentist_modify_comment_form');

// Additional body classes
add_filter('body_class', 'be_dentist_extra_body_classes');

// Render macros in text widgets
add_filter('widget_text', 'be_dentist_render_widget_macros');

/**
 * * Modify a breadcrumbs args  *
 * * @param $args *
 * * @return mixed */

function be_dentist_breadcrumb_args($args)
{
    $args['separator'] = '|';
    return $args;
}

add_filter('cherry_breadcrumb_args', 'be_dentist_breadcrumb_args');

// Adds the meta viewport to the header.
add_action('wp_head', 'be_dentist_meta_viewport', 0);

/**
 * Append description into nav items
 *
 * @param  string $item_output The menu item output.
 * @param  WP_Post $item Menu item object.
 * @param  int $depth Depth of the menu.
 * @param  array $args wp_nav_menu() arguments.
 * @return string
 */
function be_dentist_nav_menu_description($item_output, $item, $depth, $args)
{

    if ('main' !== $args->theme_location || !$item->description) {
        return $item_output;
    }

    $descr_enabled = get_theme_mod(
        'header_menu_attributes',
        be_dentist_theme()->customizer->get_default('header_menu_attributes')
    );

    if (!$descr_enabled) {
        return $item_output;
    }

    $current = $args->link_after . '</a>';
    $description = '<div class="menu-item_description">' . $item->description . '</div>';
    $item_output = str_replace($current, $description . $current, $item_output);

    return $item_output;

}

/**
 * Rewrite thumbnail size for non-deafult blog template
 *
 * @param  bool|string $size Default size.
 * @return string
 */
function be_dentist_set_thumb_sizes($size)
{

    if (is_single()) {
        return $size;
    }

    $layout = get_theme_mod('blog_layout_type', be_dentist_theme()->customizer->get_default('blog_layout_type'));

    if ('default' === $layout && !(is_sticky() && is_home() && !is_paged())) {
        return $size;
    }

    if ('default' !== $layout && !(is_sticky() && is_home() && !is_paged())) {
        return 'post-thumbnail';
    }

    return 'be_dentist-post-thumbnail-large';
}

/**
 * Set layout classes for sidebars.
 *
 * @since  1.0.0
 * @uses   be_dentist_get_layout_classes.
 * @param  array $classes Additional classes.
 * @param  string $area_id Sidebar ID.
 * @return array
 */
function be_dentist_set_sidebar_classes($classes, $area_id)
{

    if (!in_array($area_id, array('sidebar-primary', 'sidebar-secondary'))) {
        return $classes;
    }

    return be_dentist_get_layout_classes('sidebar', $classes);
}

/**
 * Set layout classes for sidebars.
 *
 * @since  1.0.0
 * @param  array $classes Additional classes.
 * @param  string $area_id Sidebar ID.
 * @return array
 */
function be_dentist_add_footer_widgets_wrapper_classes($classes, $area_id)
{

    if ('footer-area' !== $area_id) {
        return $classes;
    }

    $classes[] = 'row';

    return $classes;
}


/**
 * Get footer widgets layout class
 *
 * @since  1.0.0
 * @param  string $params Existing widget classes.
 * @return string
 */
function be_dentist_get_footer_widget_layout($params)
{


    if (empty($params[0]['id']) || 'footer-area' !== $params[0]['id']) {
        return $params;
    }

    if (empty($params[0]['before_widget'])) {
        return $params;
    }

    $columns = get_theme_mod(
        'footer_widget_columns',
        be_dentist_theme()->customizer->get_default('footer_widget_columns')
    );

    $columns = intval($columns);
    $classes = 'class="col-xs-12 col-sm-%2$s col-md-%1$s %3$s ';

    switch ($columns) {
        case 4:
            $md_col = 3;
            $sm_col = 6;
            $extra = '';
            break;

        case 3:
            $md_col = 4;
            $sm_col = 4;
            $extra = '';
            break;

        case 2:
            $md_col = 6;
            $sm_col = 6;
            $extra = '';
            break;

        default:
            $md_col = 12;
            $sm_col = 12;
            $extra = 'footer-area--centered';
            break;
    }

    $params[0]['before_widget'] = str_replace(
        'class="',
        sprintf($classes, $md_col, $sm_col, $extra),
        $params[0]['before_widget']
    );

    return $params;
}

/**
 * Filter image CSS model
 *
 * @param  array $css_model Default CSS model.
 * @param  array $args Post formats module arguments.
 * @return array
 */
function be_dentist_add_image_format_classes($css_model, $args)
{
    $css_model['link'] .= ' post-thumbnail--fullwidth';
    return $css_model;
}

/**
 * Add jQuery Stickup to theme script dependencies if required.
 *
 * @param  array $depends Default dependencies.
 * @return array
 */
function be_dentist_enqueue_misc($depends)
{

    $header_menu_sticky = get_theme_mod('header_menu_sticky', be_dentist_theme()->customizer->get_default('header_menu_sticky'));

    if ($header_menu_sticky && !wp_is_mobile()) {
        $depends[] = 'jquery-stickup';
    }

    $totop_visibility = get_theme_mod('totop_visibility', be_dentist_theme()->customizer->get_default('totop_visibility'));

    if ($totop_visibility) {
        $depends[] = 'jquery-totop';
    }

    return $depends;

}

/**
 * Add has/no thumbnail classes for posts
 *
 * @param  array $classes Existing classes.
 * @return array
 */
function be_dentist_post_thumb_classes($classes)
{

    $thumb = 'no-thumb';

    if (has_post_thumbnail()) {
        $thumb = 'has-thumb';
    }

    $classes[] = $thumb;

    return $classes;
}

/**
 * Add placeholder attributes for comment form fields.
 *
 * @param  array $args Argumnts for comment form.
 * @return array
 */
function be_dentist_modify_comment_form($args)
{
    $args = wp_parse_args($args);

    if (!isset($args['format'])) {
        $args['format'] = current_theme_supports('html5', 'comment-form') ? 'html5' : 'xhtml';
    }

    $req = get_option('require_name_email');
    $aria_req = ($req ? " aria-required='true'" : '');
    $html_req = ($req ? " required='required'" : '');
    $html5 = 'html5' === $args['format'];
    $commenter = wp_get_current_commenter();

    $args['label_submit'] = esc_html__('Submit comment', 'be_dentist');

    $args['fields']['author'] = '<p class="comment-form-author"><input id="author" class="comment-form__field" name="author" type="text" placeholder="' . esc_html__('Your name', 'be_dentist') . ($req ? ' *' : '') . '" value="' . esc_attr($commenter['comment_author']) . '" size="30"' . $aria_req . $html_req . ' /></p>';

    $args['fields']['email'] = '<p class="comment-form-email"><input id="email" class="comment-form__field" name="email" ' . ($html5 ? 'type="email"' : 'type="text"') . ' placeholder="' . esc_html__('Your e-mail', 'be_dentist') . ($req ? ' *' : '') . '" value="' . esc_attr($commenter['comment_author_email']) . '" size="30" aria-describedby="email-notes"' . $aria_req . $html_req . ' /></p>';

    $args['fields']['url'] = '<p class="comment-form-url"><input id="url" class="comment-form__field" name="url" ' . ($html5 ? 'type="url"' : 'type="text"') . ' placeholder="' . esc_html__('Your website', 'be_dentist') . '" value="' . esc_attr($commenter['comment_author_url']) . '" size="30" /></p>';

    $args['comment_field'] = '<p class="comment-form-comment"><textarea id="comment" class="comment-form__field" name="comment" placeholder="' . esc_html__('Comment', 'be_dentist') . '" cols="45" rows="8" aria-required="true" required="required"></textarea></p>';

    return $args;
}

/**
 * Add extra body classes
 *
 * @param  array $classes Existing classes.
 * @return array
 */
function be_dentist_extra_body_classes($classes)
{

    // Adds a class of group-blog to blogs with more than 1 published author.
    if (is_multi_author()) {
        $classes[] = 'group-blog';
    }

    // Adds a class of hfeed to non-singular pages.
    if (!is_singular()) {
        $classes[] = 'hfeed';
    }

    // Adds a options-based classes.
    $header_layout = get_theme_mod('header_container_type', be_dentist_theme()->customizer->get_default('header_container_type'));
    $content_layout = get_theme_mod('content_container_type', be_dentist_theme()->customizer->get_default('content_container_type'));
    $footer_layout = get_theme_mod('footer_container_type', be_dentist_theme()->customizer->get_default('footer_container_type'));
    $blog_layout = get_theme_mod('blog_layout_type', be_dentist_theme()->customizer->get_default('blog_layout_type'));
    $sb_position = get_theme_mod('sidebar_position', be_dentist_theme()->customizer->get_default('sidebar_position'));
    $sidebar = get_theme_mod('sidebar_width', be_dentist_theme()->customizer->get_default('sidebar_width'));

    return array_merge($classes, array(
        'header-layout-' . $header_layout,
        'content-layout-' . $content_layout,
        'footer-layout-' . $footer_layout,
        'blog-' . $blog_layout,
        'position-' . $sb_position,
        'sidebar-' . str_replace('/', '-', $sidebar),
    ));

}

/**
 * Replace macroses in text widget
 *
 * @param  string $text Default text.
 * @return string
 */
function be_dentist_render_widget_macros($text)
{

    $uploads = wp_upload_dir();

    $data = array(
        '/%%uploads_url%%/' => $uploads['baseurl'],
        '/%%home_url%%/' => home_url(),
        '/%%theme_url%%/' => get_stylesheet_directory_uri(),
    );

    return preg_replace(array_keys($data), array_values($data), $text);
}

/**
 * Adds the meta viewport to the header.
 *
 * @since  1.0.1
 * @return string `<meta>` tag for viewport.
 */
function be_dentist_meta_viewport()
{
    echo '<meta name="viewport" content="width=device-width, initial-scale=1" />' . "\n";
}


add_filter('image_size_names_choose', 'be_dentist_custom_sizes');
/**
 * Add custom image size to media library
 *
 * @param $sizes
 *
 * @return array
 */
function be_dentist_custom_sizes($sizes)
{
    return array_merge($sizes, array(
        'be_dentist-thumb-m' => 'custom',
        'be_dentist-post-thumbnail-large' => 'custom-lg'
    ));
}