<?php

/**
 * @since   1.8
 * @access public
 * 
 * @var   mix $option   Option.
 * @return  string
 */ 
function get_aol_option($option){
     $options = get_option('aol_options');
     $val = isset($options[$option]) ? $options[$option] : null;
     return $val;
 }
 
 function get_option_fixed($option, $default){
    $value = get_option($option);
    if(empty($value)) $value = $default;
    return $value;
 }

/**
 * Returns rich application form. 
 *
 * @since    1.6
 * @access   public
 * @var      string    $post_id    Post id.
 * @return   array     Application form fields.
 */
function aol_form($post_id = 0){
    $aol = new SinglePostTemplate();
    return $aol->application_form($post_id);
}

/**
 * Returns array of application features. 
 *
 * @since    1.6
 * @access   public
 * @var      string    $post_id    Post id.
 * @return   array     Application form fields.
 */
function aol_features($post_id = 0){
    $aol = new SinglePostTemplate();
    return $aol->ad_features();
}

/**
 * Returns array of application form fields. 
 *
 * @since    1.6
 * @access   public
 * @var      string    $post_id    Post id.
 * @return   array     Application form fields.
 */
function aol_form_fields($post_id = 0){
    $aol = new SinglePostTemplate();
    return $aol->application_form_fields($post_id);
}

/**
 * Returns array of application form fields in correct order. 
 *
 * @since    1.6
 * @access   public
 * @var      string    $post_id    Post id.
 * @return   array     Application form fields.
 */
function get_aol_ad_post_meta($post_id){
    $form_fields = array();
    $keys_order = get_post_meta($post_id, '_aol_fields_order', TRUE);
    $metas = get_post_meta($post_id);
    
    //If fields order is not set in DB then fetch all form fields without order.
    if(empty($keys_order)){
        foreach ($metas as $key => $val){ 
            if(substr($key, 0, 9) == '_aol_app_') $form_fields[$key] = unserialize ($val[0]);
        }
    }
    //Get fields according to field order.
    else{
        foreach ($keys_order as $key){
            $form_fields[$key] = unserialize($metas[$key][0]);
        }
    }
    
    return $form_fields;
}

function aol_ad_filters(){
    $filters = array(__('Category', 'apply-online') => __('Categories', 'apply-online'), __('Type', 'apply-online') => __('Types', 'apply-online'), __('Location', 'apply-online') => __('Locations', 'apply-online'));
    return apply_filters('aol_ad_filters', $filters);
}

function aol_app_statuses(){
    $filters = array('pending' => 'Pending', 'rejected'=>'Rejected', 'shortlisted' => 'Shortlisted');
    return apply_filters('aol_app_statuses', $filters);
}

function aol_ad_current_filters(){
    $filters = aol_ad_filters();
    $set_filters = get_option('aol_ad_filters', array());
    if(!is_array($set_filters)) $set_filters = array();
    foreach ($filters as $key => $val){
        if(!in_array(sanitize_key($key), $set_filters)) unset($filters[$key]);
    }
    return $filters;
}

function aol_ad_cpt_filters($cpt){
    $filters = aol_ad_filters(); 
    $types = get_option('aol_ad_types', array()); 
    $cpt_filters = isset($types[$cpt]['filters']) ? (array)$types[$cpt]['filters']: array(); 
    foreach ($filters as $key => $val){
        if(!in_array(sanitize_key($key), $cpt_filters)) unset($filters[$key]);
    }
    return $filters;
}

function aol_sanitize_taxonomies($taxonomies){
    $tax_keys;
    foreach($taxonomies as $key => $tax){
        $tax_keys[] = 'aol_ad_'.sanitize_key($key);
    }
    return $tax_keys;
}

if ( ! function_exists( 'aol_set_current_menu' ) ) {

    function aol_set_current_menu( $parent_file ) {
        global $submenu_file, $current_screen, $pagenow;

        # Set the submenu as active/current while anywhere in your Custom Post Type (nwcm_news)
        if ( $current_screen->post_type == 'aol_ad' ) {
            if ( $pagenow == 'edit-tags.php' or $pagenow == 'term.php' ) {
                $submenu_file = 'edit-tags.php?taxonomy='.str_replace('edit-', '', $current_screen->id).'&post_type=' . $current_screen->post_type;
                $parent_file = 'aol-settings';
            }
        }
        return $parent_file;
    }
    add_filter( 'parent_file', 'aol_set_current_menu' );
}

function aol_array_check($array){
    if(!is_array($array)) $array = array();
    return $array;
}

function aol_sanitize_filters($types){
    foreach($types as $key => $type){
        $types[$key] = array_merge(array('filters' => null), $type);
    }
    return $types;
}