<?php

/**
 * Functions which enhance the theme by hooking into WordPress
 *
 * @package ostech
 */

/**
 * Adds custom classes to the array of body classes.
 *
 * @param array $classes Classes for the body element.
 * @return array
 */
function ostech_body_classes($classes)
{
    // Adds a class of hfeed to non-singular pages.
    if (!is_singular()) {
        $classes[] = 'hfeed';
    }

    // Adds a class of no-sidebar when there is no sidebar present.
    if (!is_active_sidebar('sidebar-1')) {
        $classes[] = 'no-sidebar';
    }


    // custom cursor
    if ('yes' == get_theme_mod('custom_cursor')) {
        $classes[] = 'custom-cursor';
    }

    $get_boxed_wrapper_status = get_theme_mod('ostech_boxed_mode', 'no');

    if (is_page()) {
        $get_boxed_wrapper_status = get_post_meta(get_the_ID(), 'ostech_enable_boxed_mode', true);
    }

    $dynamic_boxed_wrapper_status = isset($_GET['boxed_mode']) ? $_GET['boxed_mode'] : $get_boxed_wrapper_status;

    if ('yes' == $dynamic_boxed_wrapper_status) {
        $classes[] = 'boxed-wrapper';
    }

    return $classes;
}
add_filter('body_class', 'ostech_body_classes');

add_action('wp_body_open', 'ostech_custom_cursor');

if (!function_exists('ostech_custom_cursor')) :
    function ostech_custom_cursor()
    {
        $ostech_custom_cursor = get_theme_mod('custom_cursor', false);
        if ('yes' === $ostech_custom_cursor) : ?>
            <div class="custom-cursor__cursor"></div>
            <div class="custom-cursor__cursor-two"></div>
<?php endif;
    }

endif;

/**
 * Add a pingback url auto-discovery header for single posts, pages, or attachments.
 */
function ostech_pingback_header()
{
    if (is_singular() && pings_open()) {
        printf('<link rel="pingback" href="%s">', esc_url(get_bloginfo('pingback_url')));
    }
}
add_action('wp_head', 'ostech_pingback_header');


if (!function_exists('ostech_menu_fallback_callback')) {
    function ostech_menu_fallback_callback()
    {
        return false;
    }
}


if (!function_exists('ostech_page_title')) :

    // Page Title
    function ostech_page_title()
    {
        if (is_home()) {
            echo esc_html__('Our Blog', 'ostech');
        } elseif (is_archive() && 'product' == get_post_type()) {
            echo esc_html__('Shop', 'ostech');
        } elseif (is_archive()) {
            esc_html(the_archive_title());
        } elseif (is_page()) {
            esc_html(the_title());
        } elseif (is_single() && 'product' == get_post_type()) {
            echo esc_html__('Shop', 'ostech');
        } elseif (is_single()) {
            esc_html(the_title());
        } elseif (is_category()) {
            esc_html(single_cat_title());
        } elseif (is_search()) {
            echo esc_html__('Search result for: “', 'ostech') . esc_html(get_search_query()) . '”';
        } elseif (is_404()) {
            echo esc_html__('Page not found', 'ostech');
        } else {
            esc_html(the_title());
        }
    }

endif;


/**
 * Generate custom search form
 *
 * @param string $form Form HTML.
 * @return string Modified form HTML.
 */
function ostech_search_form($form)
{
    $form = '<form class="search-form sidebar__search-form" action="' . esc_url(home_url('/')) . '">
                <input placeholder="' . esc_attr__('Search here', 'ostech') . '" value="' . esc_attr(get_search_query()) . '" name="s" type="search">
                <button type="submit"><i class="icon-search"></i></button>
            </form>';

    return $form;
}
add_filter('get_search_form', 'ostech_search_form');




// custom kses allowed html
if (!function_exists('ostech_kses_allowed_html')) :
    function ostech_kses_allowed_html($tags, $context)
    {
        switch ($context) {
            case 'ostech_allowed_tags':
                $tags = array(
                    'a' => array('href' => array(), 'class' => array()),
                    'b' => array(),
                    'br' => array(),
                    'span' => array('class' => array(), 'data-count' => array()),
                    'del' => array('class' => array(), 'data-count' => array()),
                    'ins' => array('class' => array(), 'data-count' => array()),
                    'bdi' => array('class' => array(), 'data-count' => array()),
                    'img' => array('class' => array()),
                    'i' => array('class' => array()),
                    'p' => array('class' => array()),
                    'ul' => array('class' => array()),
                    'li' => array('class' => array()),
                    'div' => array('class' => array()),
                    'strong' => array(),
                    'sup' => array(),
                );
                return $tags;
            default:
                return $tags;
        }
    }

    add_filter('wp_kses_allowed_html', 'ostech_kses_allowed_html', 10, 2);

endif;

if (!function_exists('ostech_excerpt')) :

    // Post's excerpt text
    function ostech_excerpt($get_limit_value, $echo = true)
    {
        $opt = $get_limit_value;
        $excerpt_limit = !empty($opt) ? $opt : 40;
        $excerpt = wp_trim_words(get_the_content(), $excerpt_limit, '');
        if ($echo == true) {
            echo esc_html($excerpt);
        } else {
            return esc_html($excerpt);
        }
    }

endif;



if (!function_exists('ostech_post_query')) {
    function ostech_post_query($post_type)
    {
        $post_list = get_posts(array(
            'post_type' => $post_type,
            'showposts' => -1,
        ));
        $posts = array();

        if (!empty($post_list) && !is_wp_error($post_list)) {
            foreach ($post_list as $post) {
                $options[$post->ID] = $post->post_title;
            }
            return $options;
        }
    }
}

if (!function_exists('ostech_custom_query_pagination')) :
    /**
     * Prints HTML with post pagination links.
     */
    function ostech_custom_query_pagination($paged = '', $max_page = '')
    {
        global $wp_query;
        $big = 999999999; // need an unlikely integer
        if (!$paged)
            $paged = get_query_var('paged');
        if (!$max_page)
            $max_page = $wp_query->max_num_pages;

        $links = paginate_links(array(
            'base'       => str_replace($big, '%#%', esc_url(get_pagenum_link($big))),
            'format'     => '?paged=%#%',
            'current'    => max(1, $paged),
            'total'      => $max_page,
            'mid_size'   => 1,
            'prev_text' => '<i class="fa fa-angle-left"></i>',
            'next_text' => '<i class="fa fa-angle-right"></i>',
        ));

        echo wp_kses($links, 'ostech_allowed_tags');
    }
endif;

if (!function_exists('ostech_get_nav_menu')) :
    function ostech_get_nav_menu()
    {
        $menu_list = get_terms(array(
            'taxonomy' => 'nav_menu',
            'hide_empty' => true,
        ));
        $options = [];
        if (!empty($menu_list) && !is_wp_error($menu_list)) {
            foreach ($menu_list as $menu) {
                $options[$menu->term_id] = $menu->name;
            }
            return $options;
        }
    }
endif;

if (!function_exists('ostech_get_taxonoy')) :
    function ostech_get_taxonoy($taxonoy)
    {
        $taxonomy_list = get_terms(array(
            'taxonomy' => $taxonoy,
            'hide_empty' => true,
        ));
        $options = [];
        if (!empty($taxonomy_list) && !is_wp_error($taxonomy_list)) {
            foreach ($taxonomy_list as $taxonomy) {
                $options[$taxonomy->term_id] = $taxonomy->name;
            }
            return $options;
        }
    }
endif;


if (!function_exists('ostech_comment_form_fields')) :

    function ostech_comment_form_fields($fields)
    {
        if (is_singular('product')) :
            $comment_field = $fields['comment'];
            unset($fields['cookies']);
            return $fields;

        else :

            $comment_field = $fields['comment'];
            unset($fields['comment']);
            unset($fields['cookies']);
            $fields['comment'] = $comment_field;
            return $fields;

        endif;
    }

endif;


add_filter('comment_form_fields', 'ostech_comment_form_fields');


// blog layout
if (!function_exists('ostech_blog_layout')) :
    function ostech_blog_layout()
    {
        $ostech_blog_layout = isset($_GET['sidebar']) ? $_GET['sidebar'] : get_theme_mod('ostech_blog_layout');

        if ($ostech_blog_layout == 'full-width') {
            return 'full-width';
        }

        $ostech_sidebar_align = ($ostech_blog_layout == 'left-align' ? 'order-first' : '');
        return  $ostech_sidebar_align;
    }
endif;

// shop layout
function ostech_shop_layout()
{
    $class = 'col-lg-12';
    $ostech_shop_layout = isset($_GET['sidebar']) ? $_GET['sidebar'] : get_theme_mod('ostech_shop_layout');
    $has_shop_sidebar = is_active_sidebar('shop');

    if ($ostech_shop_layout === 'right-align' && $has_shop_sidebar) {
        $class = 'col-lg-9 order-first';
    } elseif ($ostech_shop_layout === 'left-align' && $has_shop_sidebar) {
        $class = 'col-lg-9';
    }

    if (!class_exists('Ostech_Addon_Extension') && $has_shop_sidebar) :
        $class = 'col-lg-9';
    endif;

    return $class;
}


/**
 * render footer from default or page builder
 * hooked into ostech_footer
 * location: footer.php
 *
 */

function ostech_render_footer()
{
    get_template_part('template-parts/layout/default-footer');
}

add_action('ostech_footer', 'ostech_render_footer');

/**
 * render header from default or page builder
 * hooked into ostech_header
 * location: header.php
 *
 */

function ostech_render_header()
{
    get_template_part('template-parts/layout/default-header');
}

add_action('ostech_header', 'ostech_render_header');

if (!function_exists('ostech_hex_to_rgb')) {
    function ostech_hex_to_rgb($hex)
    {
        list($r, $g, $b) = sscanf($hex, "#%02x%02x%02x");
        return esc_html("$r, $g, $b");
    }
}

if (!function_exists('ostech_fixed_footer_class_to_html_tag')) :
    function ostech_fixed_footer_class_to_html_tag($output, $doctype)
    {
        if ('html' !== $doctype) {
            return $output;
        }

        $output .= ' class="has-fixed-footer"';

        return $output;
    }
endif;
add_filter('language_attributes', 'ostech_fixed_footer_class_to_html_tag',  10, 2);

if (!function_exists('ostech_get_page_by_title')) {
    function ostech_get_page_by_title($title, $post_type = 'page')
    {
        $posts = get_posts(
            array(
                'post_type'              => $post_type,
                'title'                  => $title,
                'post_status'            => 'all',
                'numberposts'            => 1,
                'update_post_term_cache' => false,
                'update_post_meta_cache' => false,
                'orderby'                => 'post_date ID',
                'order'                  => 'ASC',
            )
        );

        if (!empty($posts)) {
            return $posts[0];
        } else {
            return null;
        }
    }
}
