<?php
/**
 * This file loads theme Functions and definitions.
 * @link       http://welcustom.net/
 * @author      Mamekko
 * @copyright   Copyright (c)2014 welcustom.net
 */

//Implement the Custom Header and Custom background
require( get_template_directory() . '/inc/custom-header.php' );
require( get_template_directory() . '/inc/custom-background.php' );

//Welcart e-Commerce Plugin recommendation
require_once dirname( __FILE__ ) . '/inc/class-tgm-plugin-activation.php';
add_action( 'tgmpa_register', 'blanc_register_required_plugins' );
function blanc_register_required_plugins() {
    $plugins = array(
        array(
            'name'      => 'Welcart e-Commerce',
            'slug'      => 'usc-e-shop',
            'required'  => false,
        ),
    );
    $config = array(
        'default_path' => '',
        'menu'         => 'tgmpa-install-plugins',
        'has_notices'  => true,
        'dismissable'  => true,
        'dismiss_msg'  => '',
        'is_automatic' => false,
        'message'      => '',
        'strings'      => array(
            'page_title'                      => __( 'Install Recommended Plugins', 'blanc' ),
            'menu_title'                      => __( 'Install Plugins', 'blanc' ),
            'installing'                      => __( 'Installing Plugin: %s', 'blanc' ),
            'oops'                            => __( 'Something went wrong with the plugin API.', 'blanc' ),
            'notice_can_install_recommended'  => _n_noop( 'This theme recommends the following plugin: %1$s.', 'This theme recommends the following plugins: %1$s.', 'blanc' ),
            'notice_cannot_install'           => _n_noop( 'Sorry, but you do not have the correct permissions to install the %s plugin. Contact the administrator of this site for help on getting the plugin installed.', 'Sorry, but you do not have the correct permissions to install the %s plugins. Contact the administrator of this site for help on getting the plugins installed.', 'blanc' ),
            'notice_can_activate_recommended' => _n_noop( 'The following recommended plugin is currently inactive: %1$s.', 'The following recommended plugins are currently inactive: %1$s.', 'blanc' ),
            'notice_cannot_activate'          => _n_noop( 'Sorry, but you do not have the correct permissions to activate the %s plugin. Contact the administrator of this site for help on getting the plugin activated.', 'Sorry, but you do not have the correct permissions to activate the %s plugins. Contact the administrator of this site for help on getting the plugins activated.', 'blanc' ),
            'notice_ask_to_update'            => _n_noop( 'The following plugin needs to be updated to its latest version to ensure maximum compatibility with this theme: %1$s.', 'The following plugins need to be updated to their latest version to ensure maximum compatibility with this theme: %1$s.', 'blanc' ),
            'notice_cannot_update'            => _n_noop( 'Sorry, but you do not have the correct permissions to update the %s plugin. Contact the administrator of this site for help on getting the plugin updated.', 'Sorry, but you do not have the correct permissions to update the %s plugins. Contact the administrator of this site for help on getting the plugins updated.', 'blanc' ),
            'install_link'                    => _n_noop( 'Begin installing plugin', 'Begin installing plugins', 'blanc' ),
            'activate_link'                   => _n_noop( 'Begin activating plugin', 'Begin activating plugins', 'blanc' ),
            'return'                          => __( 'Return to Recommended Plugins Installer', 'blanc' ),
            'plugin_activated'                => __( 'Plugin activated successfully.', 'tgmpa' ),
            'complete'                        => __( 'All plugins installed and activated successfully. %s', 'blanc' ),
            'nag_type'                        => 'updated'
        )
    );
    tgmpa( $plugins, $config );
}

function blanc_setup(){
    //Translation
    load_theme_textdomain( 'blanc', get_template_directory() . '/languages' );
    
    //Search form
    add_theme_support( 'html5', array('search-form'));
    
    //Feed
    add_theme_support( 'automatic-feed-links' );
    
    //Navigation menu
    register_nav_menu( 'navigation', __( 'Navigation', 'blanc' ));
    
    //Featured image
    add_theme_support( 'post-thumbnails' );
    set_post_thumbnail_size( 150, 150, true );
    
    //Content width
    if ( !isset( $content_width ) ){
        $content_width = 720;
    } 
}
add_action( 'after_setup_theme', 'blanc_setup' );

//Editor style
function blanc_add_editor_styles() {
    add_editor_style( 'editor-style.css' );
}
add_action( 'init', 'blanc_add_editor_styles' );

//Scripts and Style sheets
function blanc_scripts(){
    
	wp_enqueue_style( 'foundation-style', get_template_directory_uri() .'/css/foundation.min.css');
	wp_enqueue_style( 'blanc-style', get_stylesheet_uri() );
	wp_enqueue_style( 'font-awesome', get_template_directory_uri() .'/css/font-awesome.min.css');

	wp_enqueue_script( 'jquery' );
	wp_enqueue_script( 'modernizr', get_template_directory_uri() . '/js/vendor/modernizr.js', array(), '', true);
	wp_enqueue_script( 'scripts', get_template_directory_uri() . '/js/scripts.js', array(), '1.0', true);
	
	if( is_singular() && comments_open() ){
		wp_enqueue_script('comment-reply');
	}
	
	if ( is_front_page() || ( is_single() && in_category('item') ) ){
		wp_enqueue_style( 'flexslider-css', get_template_directory_uri() . '/css/flexslider.css');
		wp_enqueue_script( 'flexslider-js', get_template_directory_uri() . '/js/jquery.flexslider-min.js', array(), '2.2.2', true);

	if ( is_front_page() ){
		wp_enqueue_script( 'use-flexslider-home', get_template_directory_uri() . '/js/use-flexslider-home.js', array(), '1.0', true);
		}
	}	
	if( is_single() ){
        wp_enqueue_style( 'swipebox-style', get_template_directory_uri() .'/css/swipebox.min.css', 'all');
        wp_enqueue_script( 'swipebox', get_template_directory_uri() . '/js/jquery.swipebox.min.js', array(), '1.2.9', true);
        wp_enqueue_script( 'use-swipebox', get_template_directory_uri() . '/js/use-swipebox.js', array(), '1.0',  true);
        if( in_category( 'item' ) ){
            wp_enqueue_script( 'use-flexslider-single', get_template_directory_uri() . '/js/use-flexslider-single.js', array(), '1.0', true);
            wp_enqueue_script( 'scripts-item', get_template_directory_uri() . '/js/scripts-item.js', array(), '1.1', true);
        }
	}
    if( is_page(array('usces-cart','usces-member'))){
        wp_enqueue_style( 'validationEngine-css', get_template_directory_uri() .'/css/validationEngine.jquery.css', 'all');
        wp_enqueue_script( 'validationEngine', get_template_directory_uri() . '/js/jquery.validationEngine.js', array(), '2.6.2', true);
        $wp_lang = get_bloginfo( 'language' );
        switch( $wp_lang ){
        case 'zh_CN':
        case 'zh_TW':
        case 'pt_BR':
            $wp_lang = $wp_lang;
            break;
        case 'zh':
            $wp_lang = $wp_lang . '_CN';
            break;
        case 'cs_CZ':
        case 'nb_NO':
        case 'nn_NO':
            $wp_lang = substr( $wp_lang, -2 );
            break;
        default:
            $wp_lang = substr( $wp_lang, 0, 2 );
        }
        $jve_lang = '/js/languages/jquery.validationEngine-' . $wp_lang . '.js';
        if( file_exists( get_template_directory(). $jve_lang ) ){
            wp_enqueue_script( 'validationEngine-lang', get_template_directory_uri(). $jve_lang, array(), '', true);
        } else {
            wp_enqueue_script( 'validationEngine-lang', get_template_directory_uri() . '/js/languages/jquery.validationEngine-en.js', array(), '', true);
        }
        wp_enqueue_script( 'use-validationEngine', get_template_directory_uri() . '/js/use-validationEngine.js', array(), '1.0',  true);
    }
}
add_action( 'wp_enqueue_scripts', 'blanc_scripts');

//Length of excerpt
function blanc_length($length){
    if(!wp_is_mobile()){
        return 70;
    } else {
        return 35;
    }
}
add_filter( 'excerpt_mblength', 'blanc_length' );

//Excerpt more
function blanc_more($more){
	return '&hellip;';
}
add_filter( 'excerpt_more', 'blanc_more');

//Fixing problem of title tag of multiple item category search page & date archives
function blanc_wp_title($title, $sep){
    $sep = '&nbsp;&ndash;&nbsp;';
    if( is_day() ){
        $date = __('F jS, Y', 'blanc');
        $title = sprintf(__("Posts on %s", "blanc"), get_the_date( $date ) ) . $sep;
    } elseif( is_month() ){
        $month = __('F Y', 'blanc');
        $title = sprintf(__("Posts in %s", "blanc"), get_the_date( $month ) ) . $sep;
    } elseif( is_year() ){
        $year = __('Y', 'blanc');
        $title = sprintf(__("Posts in %s", "blanc"), get_the_date( $year ) ) . $sep;
    } elseif ( is_front_page() ){
        $title = bloginfo('description') . $sep;
    } elseif ( is_search() ){
        $s_word = get_search_query();
        $title = sprintf(__("Results for '%s'", "blanc"), $s_word ) . $sep;
    }
    if ( is_paged() ){
        $title .= 'page' . get_query_var('paged') . $sep;
    }
    
    $title .= get_bloginfo('name'); //add the site name at the end of title.    
    return $title;
}
add_filter( 'wp_title', 'blanc_wp_title', 10, 2 );

//Widgets
function blanc_widgets_init(){
    register_sidebar( array(
        'id' => 'column-blog',
        'name' => __( 'Blog sidebar', 'blanc' ),
        'description' => __( 'Place widgets for blog page.', 'blanc' ),
        'before_widget' => '<aside id="%1$s" class="widget %2$s">',
        'after_widget' => '</aside>',
        'before_title' => '<h1 class="widgettitle">',
        'after_title' => '</h1>'
        )
    );
    register_sidebar( array(
        'id' => 'column-page',
        'name' => __( 'Page sidebar', 'blanc' ),
        'description' => __( 'Place widgets for pages.', 'blanc' ),
        'before_widget' => '<aside id="%1$s" class="widget %2$s">',
        'after_widget' => '</aside>',
        'before_title' => '<h1 class="widgettitle">',
        'after_title' => '</h1>'
        )
    );
    register_sidebar( array(
        'id' => 'column1',
        'name' => __( 'Footer column 1', 'blanc' ),
        'description' => __( 'Place widgets for 1st column.', 'blanc' ),
        'before_widget' => '<aside id="%1$s" class="widget %2$s">',
        'after_widget' => '</aside>',
        'before_title' => '<h1 class="widgettitle">',
        'after_title' => '</h1>'
        )
    );
    register_sidebar( array(
        'id' => 'column2',
        'name' => __( 'Footer column 2', 'blanc' ),
        'description' => __( 'Place widgets for 2nd column.', 'blanc' ),
        'before_widget' => '<aside id="%1$s" class="widget %2$s">',
        'after_widget' => '</aside>',
        'before_title' => '<h1 class="widgettitle">',
        'after_title' => '</h1>'
        )
    );
    register_sidebar( array(
        'id' => 'column3',
        'name' => __( 'Footer column 3', 'blanc' ),
        'description' => __( 'Place widgets for 3rd column.', 'blanc' ),
        'before_widget' => '<aside id="%1$s" class="widget %2$s">',
        'after_widget' => '</aside>',
        'before_title' => '<h1 class="widgettitle">',
        'after_title' => '</h1>'
        )
    );
    register_sidebar( array(
        'id' => 'column4',
        'name' => __( 'Footer column 4', 'blanc' ),
        'description' => __( 'Place widgets for 4th column.', 'blanc' ),
        'before_widget' => '<aside id="%1$s" class="widget %2$s">',
        'after_widget' => '</aside>',
        'before_title' => '<h1 class="widgettitle">',
        'after_title' => '</h1>'
        )
    );
    if( function_exists('usces_the_item')){
        register_sidebar( array(
            'id' => 'column-member',
            'name' => __( 'Member page sidebar', 'blanc' ),
            'description' => __( 'Place widgets for member page.', 'blanc' ),
            'before_widget' => '<aside id="%1$s" class="widget %2$s">',
            'after_widget' => '</aside>',
            'before_title' => '<h1 class="widgettitle">',
            'after_title' => '</h1>'
            )
        );
    }
}
add_action( 'widgets_init', 'blanc_widgets_init' );

//Specific templates for item archives & item search page
//for welcart e-commerce plugin
function blanc_category_item_template($category_item_template) {
    $category_id = get_query_var('cat');
    $parent_ids = get_ancestors($category_id, 'category');
    $parent_slugs = array();
    foreach ($parent_ids as $parent_id){
        $parent = get_category($parent_id);
        $parent_slugs[] = $parent->slug;
    }
    if (in_array('item', $parent_slugs) || is_category('item')){
        $category_item_template = dirname( __FILE__ ) . '/archive-item.php';
    }
    return $category_item_template;
}
add_filter( 'category_template', 'blanc_category_item_template' );

function blanc_tag_item_template($tag_item_template) {
       if ( in_category( 'item' )) {
          $tag_item_template = dirname( __FILE__ ) . '/archive-item.php';
     }
     return $tag_item_template;
}
add_filter( 'tag_template', 'blanc_tag_item_template' );

function blanc_search_item_template($search_item_template) {
     if ( is_search() && !isset($_GET['searchitem'])){
         $search_item_template = dirname( __FILE__ ) . '/search-item.php';
     }
     return $search_item_template;
}
add_filter( 'search_template', 'blanc_search_item_template' );

function search_no_keywords() {
	if (isset($_GET['s']) && empty($_GET['s'])) {
		header("Location:" . $_SERVER['HTTP_REFERER']);
        exit;
	}
}
add_action('template_redirect', 'search_no_keywords');

//Show Inquiry Button in case of out of stock
//for welcart e-commerce plugin
function blanc_single_sku_zaiko_message($inquery_button){
    $inquiry_page = get_page_by_path('usces-inquiry')->ID;
	$inquery_button = usces_get_itemZaiko( 'name' ).'&nbsp;<a href="'. get_permalink($inquiry_page).'" class="inquery_button">'.__( "Inquiry Form", "blanc" ) .'</a>';
	return $inquery_button;
}
add_filter('usces_filters_single_sku_zaiko_message', 'blanc_single_sku_zaiko_message', 10);

function blanc_multi_sku_zaiko_message($inquery_button){
    $inquiry_page = get_page_by_path('usces-inquiry')->ID;
	$inquery_button = usces_get_itemZaiko( 'name' ).'&nbsp;<a href="'. get_permalink($inquiry_page).'" class="inquery_button">'.__( "Inquiry Form", "blanc" ) . '</a>';
	return $inquery_button;
}
add_filter('usces_filters_multi_sku_zaiko_message', 'blanc_multi_sku_zaiko_message', 10);

//Change querys for item archives
//for welcart e-commerce plugin
if(term_exists('item', 'category')){
    function blanc_query($query){
        $item_cat = get_category_by_slug('item');
        $item_cat_id = $item_cat->cat_ID;
        if ( is_admin() || ! $query->is_main_query() ){
            return;
        }
        if ( $query->is_home() || $query->is_author() || $query->is_date() ){
            $query->set('category__not_in', $item_cat_id);
        }
        if ( $query->is_category() ){
            $category_id = get_query_var('cat');
            $parent_ids = get_ancestors($category_id, 'category');
            $parent_slugs = array();
            foreach ($parent_ids as $parent_id){
                $parent = get_category($parent_id);
                $parent_slugs[] = $parent->slug;
            }
            if (in_array('item', $parent_slugs) || is_category('item')){
                 $query->set('posts_per_page', '12');
            }
        }
        if ( $query->is_search && isset($_GET['searchitem']) ) {
            $query->set('category__not_in', $item_cat_id);
        }
        if ( $query->is_search && !isset($_GET['searchitem']) ){
            $query->set('posts_per_page','12');
            $query->set('category_name','item');
        }
    }
    add_action('pre_get_posts', 'blanc_query');
}

//Remove numbering cell & stock status cell on cart page
//for welcart e-commerce plugin
function blanc_filter_cart_row($row, $cart, $materials){
		extract($materials);
        $args = compact('cart', 'i', 'cart_row', 'post_id', 'sku' );
		$row = '';
		if ( empty($options) ) {
			$optstr =  '';
			$options =  array();
		}
		$row .= '<tr>
			<td>';
			$cart_thumbnail = '<a href="' . get_permalink($post_id) . '">' . wp_get_attachment_image( $pictid, array(60, 60), true ) . '</a>';
			$row .= apply_filters('usces_filter_cart_thumbnail', $cart_thumbnail, $post_id, $pictid, $i,$cart_row);
			$row .= '</td><td class="aleft">' . esc_html($cartItemName) . '<br />';
		if( is_array($options) && count($options) > 0 ){
			$optstr = '';
			foreach($options as $key => $value){
				if( !empty($key) ) {
					$key = urldecode($key);
					if(is_array($value)) {
						$c = '';
						$optstr .= esc_html($key) . ' : '; 
						foreach($value as $v) {
							$optstr .= $c.nl2br(esc_html(urldecode($v)));
							$c = ', ';
						}
						$optstr .= "<br />\n"; 
					} else {
						$optstr .= esc_html($key) . ' : ' . nl2br(esc_html(urldecode($value))) . "<br />\n"; 
					}
				}
			}
			$row .= apply_filters( 'usces_filter_option_cart', $optstr, $options);
		}
		$row .= apply_filters( 'usces_filter_option_info_cart', '', $cart_row, $args );
		$row .= '</td>
			<td class="aright">';
		if( usces_is_gptekiyo($post_id, $sku_code, $quantity) ) {
			$usces_gp = 1;
			$Business_pack_mark = '<img src="' . get_template_directory_uri() . '/images/gp.gif" alt="' . __('Business package discount','usces') . '" /><br />';
			$row .= apply_filters('usces_filter_itemGpExp_cart_mark', $Business_pack_mark);
		}
		$row .= usces_crform($skuPrice, true, false, 'return') . '
			</td>
			<td>';
		$row_quant = '<input name="quant[' . $i . '][' . $post_id . '][' . $sku . ']" class="quantity" type="text" value="' . esc_attr($cart_row['quantity']) . '" />';
		$row .= apply_filters( 'usces_filter_cart_rows_quant', $row_quant, $args );
		$row .= '</td>
			<td class="aright">' . usces_crform(($skuPrice * $cart_row['quantity']), true, false, 'return') . '</td>
			<td>';
		foreach($options as $key => $value){
			if(is_array($value)) {
				foreach($value as $v) {
					$row .= '<input name="itemOption[' . $i . '][' . $post_id . '][' . $sku . '][' . $key . '][' . $v . ']" type="hidden" value="' . $v . '" />';
				}
			} else {
				$row .= '<input name="itemOption[' . $i . '][' . $post_id . '][' . $sku . '][' . $key . ']" type="hidden" value="' . $value . '" />';
			}
		}
		$row .= '<input name="itemRestriction[' . $i . ']" type="hidden" value="' . $itemRestriction . '" />
			<input name="stockid[' . $i . ']" type="hidden" value="' . $stockid . '" />
			<input name="itempostid[' . $i . ']" type="hidden" value="' . $post_id . '" />
			<input name="itemsku[' . $i . ']" type="hidden" value="' . $sku . '" />
			<input name="skuPrice[' . $i . '][' . $post_id . '][' . $sku . ']" type="hidden" value="' . esc_attr($skuPrice) . '" />
			<input name="advance[' . $i . '][' . $post_id . '][' . $sku . ']" type="hidden" value="' . esc_attr($advance) . '" />
			<input name="delButton[' . $i . '][' . $post_id . '][' . $sku . ']" class="delButton" type="submit" value="&#215;" />
			</td>
		</tr>';
		return $row;
}
add_filter('usces_filter_cart_row', 'blanc_filter_cart_row', 10, 3);

//Remove unused cell in the Table on confirmation page
//for welcart e-commerce plugin
function blanc_filter_confirm_row($row, $cart, $materials){
		extract($materials);
		$row = '';
		if (empty($options)) {
			$optstr =  '';
			$options =  array();
		}
		$row .= '<tr>
			<td>';
		$cart_thumbnail = wp_get_attachment_image( $pictid, array(60, 60), true );
		$row .= apply_filters('usces_filter_cart_thumbnail', $cart_thumbnail, $post_id, $pictid, $i, $cart_row);
		$row .= '</td><td class="aleft">' . $cartItemName . '<br />';
		if( is_array($options) && count($options) > 0 ){
			$optstr = '';
			foreach($options as $key => $value){
				if( !empty($key) ) {
					$key = urldecode($key);
					if(is_array($value)) {
						$c = '';
						$optstr .= esc_html($key) . ' : '; 
						foreach($value as $v) {
							$optstr .= $c.nl2br(esc_html(urldecode($v)));
							$c = ', ';
						}
						$optstr .= "<br />\n"; 
					} else {
						$optstr .= esc_html($key) . ' : ' . nl2br(esc_html(urldecode($value))) . "<br />\n"; 
					}
				}
			}
			$row .= apply_filters( 'usces_filter_option_confirm', $optstr, $options);
		}
		$row .= '</td>
			<td class="aright">' . usces_crform($skuPrice, true, false, 'return') . '</td>
			<td>' . $cart_row['quantity'] . '</td>
			<td class="aright">' . usces_crform(($skuPrice * $cart_row['quantity']), true, false, 'return') . '</td>
		</tr>';
		return $row;
}
add_filter('usces_filter_confirm_row', 'blanc_filter_confirm_row', 10, 3);

//SSL error fix
//for welcart e-commerce plugin
//source from http://www.seshop.com/product/detail/15639/
if( function_exists('usces_the_item')){
    if( $usces->options['use_ssl'] ){
        add_action('init', 'usces_ob_start');
        function usces_ob_start(){
            global $usces;
            if( $usces->use_ssl && ($usces->is_cart_or_member_page($_SERVER['REQUEST_URI']) || $usces->is_inquiry_page($_SERVER['REQUEST_URI'])) )
                ob_start('usces_ob_callback');
        }
        if ( ! function_exists( 'usces_ob_callback' ) ) {
            function usces_ob_callback($buffer){
                global $usces;
                $pattern = array(
                    '|(<[^<]*)href=\"'.get_option('siteurl').'([^>]*)\.css([^>]*>)|', 
                    '|(<[^<]*)src=\"'.get_option('siteurl').'([^>]*>)|'
                );
                $replacement = array(
                    '${1}href="'.USCES_SSL_URL_ADMIN.'${2}.css${3}', 
                    '${1}src="'.USCES_SSL_URL_ADMIN.'${2}'
                );
                $buffer = preg_replace($pattern, $replacement, $buffer);
                return $buffer;
            }
        }
    }
}