<?php
/**
 * Child theme functions
 *
 * When using a child theme (see http://codex.wordpress.org/Theme_Development
 * and http://codex.wordpress.org/Child_Themes), you can override certain
 * functions (those wrapped in a function_exists() call) by defining them first
 * in your child theme's functions.php file. The child theme's functions.php
 * file is included before the parent theme's file, so the child theme
 * functions would be used.
 *
 * Text Domain: oceanwp
 * @link http://codex.wordpress.org/Plugin_API
 *
 */

/**
 * Load the parent style.css file
 *
 * @link http://codex.wordpress.org/Child_Themes
 */
function oceanwp_child_enqueue_parent_style() {
	// Dynamically get version number of the parent stylesheet (lets browsers re-cache your stylesheet when you update your theme)
	$theme   = wp_get_theme( 'OceanWP' );
	$version = $theme->get( 'Version' );
	// Load the stylesheet
	wp_enqueue_style( 'child-style', get_stylesheet_directory_uri() . '/style.css', array( 'oceanwp-style' ), $version );
	
}
add_action( 'wp_enqueue_scripts', 'oceanwp_child_enqueue_parent_style' );

/**
 * Link custom javascript file
 *
 * @return void
 */
function my_custom_scripts() {
    wp_enqueue_script( 'custom-js', get_stylesheet_directory_uri() . '/app.js', array( 'jquery' ),'',true );
}
add_action( 'wp_enqueue_scripts', 'my_custom_scripts' );

require_once 'custom-elementor.php';
require_once 'widgets/float-widget-recent-post.php';

/**
 * Enqueue scripts and styles.
 */
function float_scripts() {
    wp_enqueue_script( 'custom-js' );
    wp_localize_script('custom-js', 'ajax_object', array('ajax_url' => admin_url( 'admin-ajax.php'), 'google_client_id' => defined("GOOGLE_CLIENT_APP_ID") ? GOOGLE_CLIENT_APP_ID : "343605975098-i4p86p4la6lpff0rmsq3mg36vi9do9rb.apps.googleusercontent.com" ));
    wp_localize_script('custom-js', 'contact_settings', array(
        'sg_contact' => defined("SG_CONTACT_LIST") ? SG_CONTACT_LIST : "f6ff7833-d6cf-425e-a426-395ac201b794",
        'us_contact' => defined("US_CONTACT_LIST") ? US_CONTACT_LIST : "a646ee53-dfec-4a6a-a0c3-102c6840df06",
        'default_list' => defined("DEFAULT_CONTACT_LIST") ? DEFAULT_CONTACT_LIST : "6e36b912-7cc3-4fb2-ba50-a664fbefb11b"
    ));
}
add_action( 'wp_enqueue_scripts', 'float_scripts' );

function get_user_location() {

    $ip = get_user_ip();
    $result  = [
        'country'=>'',
        'city'=>'',
        'timezone' => 'Asia/Singapore',
        'region_name'=>'',
        'country_code'=>'',
        'lat'=>'',
        'lng'=>''
    ];

    $ip_data = @json_decode(file_get_contents('http://www.geoplugin.net/json.gp?ip='.$ip));
    if($ip_data && $ip_data->geoplugin_countryName != null){
        $result['country'] = $ip_data->geoplugin_countryName;
        $result['city'] = $ip_data->geoplugin_city;
        $result['timezone'] = $ip_data->geoplugin_timezone;
        $result['region_name'] = $ip_data->geoplugin_region;
        $result['country_code'] = $ip_data->geoplugin_countryCode;
        $result['lat'] = $ip_data->geoplugin_latitude;
        $result['lng'] = $ip_data->geoplugin_longitude;
    }

    return $result;
}

function get_user_ip() {
    $client  = @$_SERVER['HTTP_CLIENT_IP'];
    $forward = @$_SERVER['HTTP_X_FORWARDED_FOR'];
    $remote  = @$_SERVER['REMOTE_ADDR'];

    if(filter_var($client, FILTER_VALIDATE_IP)){
        $ip = $client;
    }elseif(filter_var($forward, FILTER_VALIDATE_IP)){
        $ip = $forward;
    }else{
        $ip = $remote;
    }

    return $ip;
}

/**
 * set Popular Posts by Views
 */
function float_set_post_views($postID) {
    $count_key = 'float_post_views_count';
    $count = get_post_meta($postID, $count_key, true);

    if (empty($count)) {
        delete_post_meta($postID, $count_key);
        add_post_meta($postID, $count_key, 1);
    } else {
        $count++;
        update_post_meta($postID, $count_key, $count);
    }
}

function get_latest_articles($request) {
    $limit = isset($_GET['limit']) ? intval(trim($_GET['limit'])) : 10;
    $page = isset($_GET['page']) ? intval(trim($_GET['page'])) : 1;
    if (!isset($limit) || !is_int($limit) || $limit <= 0) {
        $limit = 10; // Set limit to by 10 as default
    }
    if (!isset($page) || !is_int($page) || $page <= 0) {
        $page = 1; // Set default page
    }
    $query = new WP_Query( array(
        'post_type' => 'post',
        'post_status' => 'publish',
        'ignore_sticky_posts' => 1,
        'posts_per_page' => $limit,
        'paged' => $page,
        'orderby' => 'date',
        'order' => 'DESC'
    ) );

    if ( !$query->have_posts() ) {
        return new WP_Error( 'empty_post', 'there is no post ', array('status' => 404) );
    }

    // add meta to post
    $newPost = array();
    foreach ( $query->posts as $key => $post ) {
        add_meta_value_to_posts( $post );
        array_push( $newPost, $post );
    }
    wp_reset_postdata();

    // Add co-authors to post if exists
    foreach ( $newPost as $post ) {
        $co_authors = get_coauthors( $post->ID );
        $result = [];
        
        foreach ( $co_authors as $co_author ) {
            if (get_class($co_author) !== 'WP_User') {
                array_push($result, $co_author->display_name);
                continue;
            }

            array_push($result, $co_author->data->display_name);
        }

        if ( !empty($result) ) {
            $post->co_authors = $result;
        }
    }

    $response = new WP_REST_Response( $newPost );
    $response->set_status(200);
    return $response;
}

function get_article_by_id($request) {
    $post_id = isset($request['id']) && intval($request['id']) ? intval($request['id']) : NULL;
    if (empty($post_id)) {
        return new WP_Error( 'error', 'missing post id params ', array('status' => 400) );
    }
    $post = get_post( $post_id );

    if (empty($post)) {
        return new WP_Error( 'empty_post', 'there is no post ', array('status' => 404) );
    }
    add_meta_value_to_posts( $post );

    // Add co-authors to post if exists
    $co_authors = get_coauthors( $post->ID );
    $result = [];
        
    foreach ( $co_authors as $co_author ) {
        if (get_class($co_author) !== 'WP_User') {
            array_push($result, $co_author->display_name);
            continue;
        }

        array_push($result, $co_author->data->display_name);
    }

    if ( !empty($result) ) {
        $post->co_authors = $result;
    }

    $response = new WP_REST_Response($post);
    $response->set_status(200);
    return $response;
}


add_action('rest_api_init', function () {
    register_rest_route( 'float/v1', 'latest-articles',array(
        'methods'  => 'GET',
        'callback' => 'get_latest_articles',
        'permission_callback' => '__return_true'
    ));
    register_rest_route( 'float/v1', 'articles/(?P<id>\d+)',array(
        'methods'  => 'GET',
        'callback' => 'get_article_by_id',
        'permission_callback' => '__return_true'
    ));
});

/**
 * add more menu item
 */
function add_signup_link( $items, $args ) {
    if ($args->theme_location == 'main_menu') {
        $items .= '<li class="menu-item menu-item-type-custom menu-item-object-custom"><a class="menu-link" role="button" data-toggle="modal" data-target="#signupModal" href="javascript:void(0)">Sign up</a></li>';
    }
    return $items;
}
add_filter( 'wp_nav_menu_items', 'add_signup_link', 10, 2 );

/**
 * Add meta tags for marketing
 *
 * @return void
 */
function add_meta_tags() {
    global $post;
    if ( is_single() ) {
        $des_post = strip_tags( $post->post_content );
        $des_post = strip_shortcodes( $des_post );
        $des_post = str_replace( array("\n", "\r", "\t"), ' ', $des_post );
        $des_post = trim( $des_post );
        $des_post = mb_substr( $des_post, 0, 300, 'utf8' );
        echo "\n" . '<meta name="description" content="' . $des_post . '" />' . "\n";
        echo '<meta property="og:title" content="' . $post->post_title . '" />' . "\n";
        echo '<meta property="og:description" content="' . $des_post . '" />' . "\n";
        echo '<meta property="og:type" content="article">' . "\n";
        echo '<meta property="og:image" content="' . get_the_post_thumbnail_url($post->ID) . '">' . "\n";
        echo '<meta property="og:url" content="' . get_permalink($post->ID) . '">' . "\n";
        echo '<meta property="og:site_name" content="' . get_bloginfo( 'name' ) . '">' . "\n";
        echo '<meta name="twitter:card" content="summary_large_image">' . "\n";
        echo '<meta name="twitter:image" content="' . get_the_post_thumbnail_url($post->ID) . '">' . "\n";
    }

    if ( is_page() ) {
        echo "\n" . '<meta name="description" content="Travel Budget and Planning App" />' . "\n";
        echo '<meta property="og:title" content="' . get_bloginfo( 'name' ) . '" />' . "\n";
        echo '<meta property="og:description" content="Travel Budget and Planning App" />' . "\n";
        echo '<meta property="og:url" content="' . get_site_url() . '">' . "\n";
        echo '<meta property="og:site_name" content="' . get_bloginfo( 'name' ) . '">' . "\n";
    }

    if ( is_home() ) {
        echo "\n" . '<meta name="description" content="Travel Budget and Planning App" />' . "\n";
        echo '<meta property="og:title" content="Homepage" />' . "\n";
        echo '<meta property="og:description" content="Travel Budget and Planning App" />' . "\n";
        echo '<meta property="og:url" content="' . get_site_url() . '">' . "\n";
        echo '<meta property="og:site_name" content="' . get_bloginfo( 'name' ) . '">' . "\n";
    }

    if ( is_category() ) {
        $des_cat = strip_tags(category_description());
        echo "\n" . '<meta name="description" content="' . $des_cat . '" />' . "\n";
    }
}

add_action('wp_head', 'add_meta_tags');

/**
 * Additional meta data to post
 * @param WP_POST &$post
 */
function add_meta_value_to_posts( &$post ) {
    if ( !$post ) {
        return;
    }

    // get all custom fields
    if ( function_exists( 'get_fields' ) ) {
        $post_meta = get_fields( $post->ID );
        if ( $post_meta ) {
            foreach ( $post_meta as $key => $meta ) {
                if ( !empty($meta) && is_string($meta) && preg_match( '/^http|^https:\/\/.*?/m', $meta ) ) {
                    $meta = encodeURI( $meta );
                }
                $post->$key = $meta;      
            }
        }
    }

    // get post author
    $post->display_name = get_the_author_meta( 'display_name', $post->post_author );

    // get featured image
    $post->featured_image = encodeURI( get_the_post_thumbnail_url( $post ) );
    $post->_wp_attachment_metadata = get_post_meta( $post->ID, '_wp_attachment_metadata', true );
    
}

function encodeURI($url) {
    // http://php.net/manual/en/function.rawurlencode.php
    // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/encodeURI
    $unescaped = array(
        '%2D'=>'-','%5F'=>'_','%2E'=>'.','%21'=>'!', '%7E'=>'~',
        '%2A'=>'*', '%27'=>"'", '%28'=>'(', '%29'=>')'
    );
    $reserved = array(
        '%3B'=>';','%2C'=>',','%2F'=>'/','%3F'=>'?','%3A'=>':',
        '%40'=>'@','%26'=>'&','%3D'=>'=','%2B'=>'+','%24'=>'$'
    );
    $score = array(
        '%23'=>'#'
    );
    return strtr(rawurlencode($url), array_merge($reserved,$unescaped,$score));

}

/**
 * Comment fields
 *
 * @since 1.0.0
 */
if ( ! function_exists( 'oceanwp_modify_comment_form_fields' ) ) {

	function oceanwp_modify_comment_form_fields( $fields ) {

		$commenter = wp_get_current_commenter();
		$req       = get_option( 'require_name_email' );

		// Labels.
		if ( $req ) {
			$comment_name = oceanwp_theme_strings( 'owp-string-comment-name-req', false, 'oceanwp' );
			$comment_email = oceanwp_theme_strings( 'owp-string-comment-email-req', false, 'oceanwp' );
		} else {
			$comment_name = oceanwp_theme_strings( 'owp-string-comment-name', false, 'oceanwp' );
			$comment_email = oceanwp_theme_strings( 'owp-string-comment-email', false, 'oceanwp' );
		}

		$comment_site = oceanwp_theme_strings( 'owp-string-comment-website', false, 'oceanwp' );

		$fields['author'] 	= '<div class="comment-form-author"><label for="author" class="screen-reader-text">'. esc_html__( 'Enter your name or username to comment', 'oceanwp' ) . '</label><input type="text" name="author" id="author" value="'. esc_attr( $commenter['comment_author'] ) .'" placeholder="'. $comment_name .'" size="22" tabindex="0"'. ( $req ? ' aria-required="true"' : '' ) .' class="input-name" /></div>';

		$fields['email'] 	= '<div class="comment-form-email"><label for="email" class="screen-reader-text">'. esc_html__( 'Enter your email address to comment', 'oceanwp' ) . '</label><input type="text" name="email" id="email" value="'. esc_attr( $commenter['comment_author_email'] ) .'" placeholder="'. $comment_email .'" size="22" tabindex="0"'. ( $req ? ' aria-required="true"' : '' ) .' class="input-email" /></div>';

        $fields['url'] 		= '';
        
        $fields['cookies'] = '';

		return $fields;

	}

	add_filter( 'comment_form_default_fields', 'oceanwp_modify_comment_form_fields' );

}