<?php

if(!defined('ABSPATH'))
    exit;

/**
 * Register Dynamic Options Page
 */
add_action('init', 'acfe_dop_register');
function acfe_dop_register(){
    
    register_post_type('acfe-dop', array(
        'label'                 => 'Options Page',
        'description'           => 'Options Page',
        'labels'                => array(
            'name'          => 'Options Pages',
            'singular_name' => 'Options Page',
            'menu_name'     => 'Options Pages',
            'edit_item'     => 'Edit Options Page',
            'add_new_item'  => 'New Options Page',
        ),
        'supports'              => array('custom-fields'),
        'hierarchical'          => false,
        'public'                => false,
        'show_ui'               => true,
        'show_in_menu'          => false,
        'menu_icon'             => 'dashicons-layout',
        'show_in_admin_bar'     => false,
        'show_in_nav_menus'     => false,
        'can_export'            => false,
        'has_archive'           => false,
        'rewrite'               => false,
        'exclude_from_search'   => true,
        'publicly_queryable'    => false,
        'capabilities'          => array(
            'publish_posts'         => acf_get_setting('capability'),
            'edit_others_posts'     => acf_get_setting('capability'),
            'delete_posts'          => acf_get_setting('capability'),
            'delete_others_posts'   => acf_get_setting('capability'),
            'read_private_posts'    => acf_get_setting('capability'),
            'edit_post'             => acf_get_setting('capability'),
            'delete_post'           => acf_get_setting('capability'),
            'read_post'             => acf_get_setting('capability'),
        )
    ));

}

/**
 * Dynamic Options Page Menu
 */
add_action('admin_menu', 'acfe_dop_menu');
function acfe_dop_menu(){
    
    if(!acf_get_setting('show_admin'))
        return;
    
    add_submenu_page('edit.php?post_type=acf-field-group', __('Options'), __('Options'), acf_get_setting('capability'), 'edit.php?post_type=acfe-dop');
    
}

/**
 * Dynamic Options Page Menu: Parent Highlight
 */
add_filter('parent_file', 'acfe_dop_menu_parent_highlight');
function acfe_dop_menu_parent_highlight($parent_file){
    
    global $pagenow;
    if($pagenow != 'post.php' && $pagenow != 'post-new.php')
        return $parent_file;
    
    $post_type = get_post_type();
    if($post_type != 'acfe-dop')
        return $parent_file;
    
    return 'edit.php?post_type=acf-field-group';
    
}

/**
 * Dynamic Options Page Menu: Submenu Highlight
 */
add_filter('submenu_file', 'acfe_dop_menu_sub_highlight');
function acfe_dop_menu_sub_highlight($submenu_file){
    
    global $pagenow;
    if($pagenow != 'post-new.php')
        return $submenu_file;
    
    $post_type = get_post_type();
    if($post_type != 'acfe-dop')
        return $submenu_file;
    
    return 'edit.php?post_type=acfe-dop';
    
}


/**
 * ACF Register Options Pages
 */
add_action('init', 'acfe_dop_registers');
function acfe_dop_registers(){
    
    $dynamic_options_pages = get_option('acfe_dynamic_options_pages', array());
    if(empty($dynamic_options_pages))
        return;
    
    foreach($dynamic_options_pages as $name => $register_args){
        
        // Register: Execute
        acf_add_options_page($register_args);
        
    }

}

/**
 * ACF Exclude Dynamic Options Page from available post types
 */
add_filter('acf/get_post_types', 'acfe_dop_exclude', 10, 2);
function acfe_dop_exclude($post_types, $args){
    
    if(empty($post_types))
        return $post_types;
    
    foreach($post_types as $k => $post_type){
        
        if($post_type != 'acfe-dop')
            continue;
        
        unset($post_types[$k]);
        
    }
    
    return $post_types;
    
}

/**
 * Dynamic Options Page Save
 */
add_action('acf/save_post', 'acfe_dop_filter_save', 20);
function acfe_dop_filter_save($post_id){
    
    if(get_post_type($post_id) != 'acfe-dop')
        return;
    
    $title = get_field('page_title', $post_id);
    $name = get_field('acfe_dop_name', $post_id);
    
    // Force name
    if(empty($name))
        $name = sanitize_title($title);
    
    // Update post
    wp_update_post(array(
        'ID'            => $post_id,
        'post_title'    => $title,
        'post_name'     => $name,
    ));
    
    // Register Args
    $page_title = get_field('page_title', $post_id);
    $menu_title = get_field('menu_title', $post_id);
    $menu_slug = get_field('menu_slug', $post_id);
    $capability = get_field('capability', $post_id);
    $position = get_field('position', $post_id);
    $parent_slug = get_field('parent_slug', $post_id);
    $icon_url = get_field('icon_url', $post_id);
    $redirect = get_field('redirect', $post_id);
    $p_id = get_field('post_id', $post_id);
    $autoload = get_field('autoload', $post_id);
    $update_button = get_field('update_button', $post_id);
    $updated_message = get_field('updated_message', $post_id);
    
    // Register: Args
    $register_args = array(
        'page_title'        => $page_title,
        'menu_title'        => $menu_title,
        'menu_slug'         => $menu_slug,
        'capability'        => $capability,
        'position'          => $position,
        'parent_slug'       => $parent_slug,
        'icon_url'          => $icon_url,
        'redirect'          => $redirect,
        'post_id'           => $p_id,
        'autoload'          => $autoload,
        'update_button'     => $update_button,
        'updated_message'   => $updated_message,
    );
    
    // Menu title
    if(empty($menu_title))
        $register_args['menu_title'] = $page_title;
    
    // Menu slug
    if(empty($menu_slug))
        $register_args['menu_slug'] = sanitize_title($register_args['menu_title']);
    
    // Redirect
    $register_args['redirect'] = true;
    if(empty($redirect))
        $register_args['redirect'] = false;
    
    // Post ID
    if(empty($p_id))
        $register_args['post_id'] = 'options';
    
    // Autoload
    $register_args['autoload'] = true;
    if(empty($autoload))
        $register_args['autoload'] = false;
        
    // Get ACFE option
    $option = get_option('acfe_dynamic_options_pages', array());
    
    // Create ACFE option
    $option[$name] = $register_args;
    
    // Sort keys ASC
    ksort($option);
    
    // Update ACFE option
    update_option('acfe_dynamic_options_pages', $option);
    
}

/**
 * Dynamic Options Page Status Publish > Trash
 */
add_action('publish_to_trash', 'acfe_dop_filter_status_trash');
function acfe_dop_filter_status_trash($post){
    
    if(get_post_type($post->ID) != 'acfe-dop')
        return;
    
    $post_id = $post->ID;
    $title = get_field('page_title', $post_id);
    $name = get_field('acfe_dop_name', $post_id);
    
    // Get ACFE option
    $option = get_option('acfe_dynamic_options_pages', array());
    
    // Check ACFE option
    if(isset($option[$name]))
        unset($option[$name]);
    
    // Update ACFE option
    update_option('acfe_dynamic_options_pages', $option);
    
}

/**
 * Dynamic Options Page Status Trash > Publish
 */
add_action('trash_to_publish', 'acfe_dop_filter_status_publish');
function acfe_dop_filter_status_publish($post){
    
    if(get_post_type($post->ID) != 'acfe-dop')
        return;
    
    acfe_dop_filter_save($post->ID);
    
}

/**
 * Dynamic Options Page Admin: List
 */
add_action('pre_get_posts', 'acfe_dop_admin_pre_get_posts');
function acfe_dop_admin_pre_get_posts($query){
    
    if(!is_admin() || !$query->is_main_query())
        return;
    
    global $pagenow;
    if($pagenow != 'edit.php')
        return;
    
    $post_type = $query->get('post_type');
    if($post_type != 'acfe-dop')
        return;
    
    $query->set('orderby', 'name');
    $query->set('order', 'ASC');
    
}

/**
 * Dynamic Options Page Admin: Posts Per Page
 */
add_filter('edit_posts_per_page', 'acfe_dop_admin_ppp', 10, 2);
function acfe_dop_admin_ppp($ppp, $post_type){
    
    if($post_type != 'acfe-dop')
        return $ppp;
    
    global $pagenow;
    if($pagenow != 'edit.php')
        return $ppp;
    
    return 999;
    
}

/**
 * Admin List Columns
 */
add_filter('manage_edit-acfe-dop_columns', 'acfe_dop_admin_columns');
function acfe_dop_admin_columns($columns){
    
    if(isset($columns['date']))
        unset($columns['date']);
    
    $columns['name'] = __('Name');
    $columns['post_id'] = __('Post ID');
    $columns['autoload'] = __('Autoload');
    
    return $columns;
    
}

/**
 * Admin List Columns HTML
 */
add_action('manage_acfe-dop_posts_custom_column', 'acfe_dop_admin_columns_html', 10, 2);
function acfe_dop_admin_columns_html($column, $post_id){
    
    // Name
    if($column == 'name'){
        
        $name = get_field('acfe_dop_name', $post_id);
        
        echo '<code style="-webkit-user-select: all;-moz-user-select: all;-ms-user-select: all;user-select: all;font-size: 12px;">' . $name . '</code>';
        
    }
    
    // Post ID
    elseif($column == 'post_id'){
        
        $p_id = get_field('post_id', $post_id);
        if(empty($p_id))
            $p_id = 'options';
        
        echo '<code style="-webkit-user-select: all;-moz-user-select: all;-ms-user-select: all;user-select: all;font-size: 12px;">' . $p_id. '</code>';
        
    }
    
    // Autoload
    elseif($column == 'autoload'){
        
        $autoload = get_field('autoload', $post_id);
        
        if(empty($autoload))
            echo 'No';
        else
            echo 'Yes';
        
    }
    
}

/**
 * Admin List Row Actions
 */
add_filter('post_row_actions','acfe_dop_admin_row', 10, 2);
function acfe_dop_admin_row($actions, $post){

    if($post->post_type != 'acfe-dop' || $post->post_status != 'publish')
        return $actions;
    
    $name = get_field('acfe_dop_name', $post_id);
    
    $actions['acfe_dpt_export_json'] = '<a href="' . admin_url('edit.php?post_type=acf-field-group&page=acf-tools&tool=acfe_tool_dop_export&keys=' . $name) . '">' . __('Json') . '</a>';
    
    return $actions;
    
}

/**
 * Admin Disable Name
 */
add_filter('acf/prepare_field/name=acfe_dop_name', 'acfe_dop_admin_disable_name');
function acfe_dop_admin_disable_name($field){
    
    global $pagenow;
    if($pagenow != 'post.php')
        return $field;
    
    $field['disabled'] = true;
    
    return $field;
    
}

/**
 * Admin Force Name
 */
add_action('load-edit.php', 'acfe_dop_admin_name_value');
function acfe_dop_admin_name_value(){
    
    // Get post type
    global $typenow;
    
    // Check post type
    $post_type = $typenow;
    if(empty($post_type) || $post_type != 'acfe-dop')
        return;
    
    $get_options = get_posts(array(
        'post_type'         => 'acfe-dop',
        'posts_per_page'    => -1,
        'fields'            => 'ids'
    ));
    
    if(empty($get_options))
        return;
    
    foreach($get_options as $post_id){
        
        if(get_field('acfe_dop_name', $post_id))
            continue;
        
        update_field('acfe_dop_name', sanitize_title(get_field('page_title', $post_id)), $post_id);
        
    }
    
}

/**
 * Dynamic Options Page: Local Field Group
 */
add_action('init', 'acfe_dop_local_field_group');
function acfe_dop_local_field_group(){
    
    acf_add_local_field_group(array(
        'key' => 'group_acfe_dynamic_options_page',
        'title' => __('Dynamic Options Page', 'acfe'),
        
        'location' => array(
            array(
                array(
                    'param' => 'post_type',
                    'operator' => '==',
                    'value' => 'acfe-dop',
                ),
            ),
        ),
        
        'menu_order' => 0,
        'position' => 'normal',
        'style' => 'default',
        'label_placement' => 'left',
        'instruction_placement' => 'label',
        'hide_on_screen' => '',
        'active' => 1,
        'description' => '',
        
        'fields' => array(
            array(
                'key' => 'field_acfe_dop_page_title',
                'label' => 'Page title',
                'name' => 'page_title',
                'type' => 'text',
                'instructions' => '(string) The title displayed on the options page. Required.',
                'required' => 1,
                'conditional_logic' => 0,
                'wrapper' => array(
                    'width' => '',
                    'class' => '',
                    'id' => '',
                ),
                'acfe_validate' => '',
                'acfe_update' => '',
                'acfe_permissions' => '',
                'default_value' => '',
                'placeholder' => '',
                'prepend' => '',
                'append' => '',
                'maxlength' => '',
            ),
            array(
                'key' => 'field_acfe_dop_name',
                'label' => 'Name',
                'name' => 'acfe_dop_name',
                'type' => 'acfe_slug',
                'instructions' => '(string) Options page slug. Must be unique',
                'required' => 1,
                'conditional_logic' => 0,
                'wrapper' => array(
                    'width' => '',
                    'class' => '',
                    'id' => '',
                ),
                'acfe_validate' => '',
                'acfe_update' => '',
                'acfe_permissions' => '',
                'default_value' => '',
                'placeholder' => '',
                'prepend' => '',
                'append' => '',
                'maxlength' => '',
            ),
            array(
                'key' => 'field_acfe_dop_menu_title',
                'label' => 'Menu title',
                'name' => 'menu_title',
                'type' => 'text',
                'instructions' => '(string) The title displayed in the wp-admin sidebar. Defaults to page_title',
                'required' => 0,
                'conditional_logic' => 0,
                'wrapper' => array(
                    'width' => '',
                    'class' => '',
                    'id' => '',
                ),
                'acfe_validate' => '',
                'acfe_update' => '',
                'acfe_permissions' => '',
                'default_value' => '',
                'placeholder' => '',
                'prepend' => '',
                'append' => '',
                'maxlength' => '',
            ),
            array(
                'key' => 'field_acfe_dop_menu_slug',
                'label' => 'Menu slug',
                'name' => 'menu_slug',
                'type' => 'acfe_slug',
                'instructions' => '(string) The URL slug used to uniquely identify this options page. Defaults to a url friendly version of menu_title',
                'required' => 0,
                'conditional_logic' => 0,
                'wrapper' => array(
                    'width' => '',
                    'class' => '',
                    'id' => '',
                ),
                'acfe_validate' => '',
                'acfe_update' => array(
                    '5cd2a4d60fbf2' => array(
                        'acfe_update_function' => 'sanitize_title',
                    ),
                ),
                'acfe_permissions' => '',
                'default_value' => '',
                'placeholder' => '',
                'prepend' => '',
                'append' => '',
                'maxlength' => '',
            ),
            array(
                'key' => 'field_acfe_dop_capability',
                'label' => 'Capability',
                'name' => 'capability',
                'type' => 'text',
                'instructions' => '(string) The capability required for this menu to be displayed to the user. Defaults to edit_posts.<br /><br />

    Read more about capability here: <a href="https://codex.wordpress.org/Roles_and_Capabilities">https://codex.wordpress.org/Roles_and_Capabilities</a>',
                'required' => 0,
                'conditional_logic' => 0,
                'wrapper' => array(
                    'width' => '',
                    'class' => '',
                    'id' => '',
                ),
                'acfe_validate' => '',
                'acfe_update' => '',
                'acfe_permissions' => '',
                'default_value' => 'edit_posts',
                'placeholder' => '',
                'prepend' => '',
                'append' => '',
                'maxlength' => '',
            ),
            array(
                'key' => 'field_acfe_dop_position',
                'label' => 'Position',
                'name' => 'position',
                'type' => 'text',
                'instructions' => '(int|string) The position in the menu order this menu should appear. Defaults to bottom of utility menu items.<br /><br />

    WARNING: if two menu items use the same position attribute, one of the items may be overwritten so that only one item displays!<br />
    Risk of conflict can be reduced by using decimal instead of integer values, e.g. \'63.3\' instead of 63 (must use quotes).',
                'required' => 0,
                'conditional_logic' => 0,
                'wrapper' => array(
                    'width' => '',
                    'class' => '',
                    'id' => '',
                ),
                'acfe_validate' => '',
                'acfe_update' => '',
                'acfe_permissions' => '',
                'default_value' => '',
                'placeholder' => '',
                'prepend' => '',
                'append' => '',
                'maxlength' => '',
            ),
            array(
                'key' => 'field_acfe_dop_parent_slug',
                'label' => 'Parent slug',
                'name' => 'parent_slug',
                'type' => 'text',
                'instructions' => '(string) The slug of another WP admin page. if set, this will become a child page.',
                'required' => 0,
                'conditional_logic' => 0,
                'wrapper' => array(
                    'width' => '',
                    'class' => '',
                    'id' => '',
                ),
                'acfe_validate' => '',
                'acfe_update' => '',
                'acfe_permissions' => '',
                'default_value' => '',
                'placeholder' => '',
                'prepend' => '',
                'append' => '',
                'maxlength' => '',
            ),
            array(
                'key' => 'field_acfe_dop_icon_url',
                'label' => 'Icon url',
                'name' => 'icon_url',
                'type' => 'text',
                'instructions' => '(string) The icon class for this menu. Defaults to default WordPress gear.<br /><br />
    Read more about dashicons here: <a href="https://developer.wordpress.org/resource/dashicons/">https://developer.wordpress.org/resource/dashicons/</a>',
                'required' => 0,
                'conditional_logic' => 0,
                'wrapper' => array(
                    'width' => '',
                    'class' => '',
                    'id' => '',
                ),
                'acfe_validate' => '',
                'acfe_update' => '',
                'acfe_permissions' => '',
                'default_value' => '',
                'placeholder' => '',
                'prepend' => '',
                'append' => '',
                'maxlength' => '',
            ),
            array(
                'key' => 'field_acfe_dop_redirect',
                'label' => 'Redirect',
                'name' => 'redirect',
                'type' => 'true_false',
                'instructions' => '(boolean) If set to true, this options page will redirect to the first child page (if a child page exists). 
    If set to false, this parent page will appear alongside any child pages. Defaults to true',
                'required' => 0,
                'conditional_logic' => 0,
                'wrapper' => array(
                    'width' => '',
                    'class' => '',
                    'id' => '',
                ),
                'acfe_validate' => '',
                'acfe_update' => '',
                'acfe_permissions' => '',
                'message' => '',
                'default_value' => 1,
                'ui' => 1,
                'ui_on_text' => 'True',
                'ui_off_text' => 'False',
            ),
            array(
                'key' => 'field_acfe_dop_post_id',
                'label' => 'Post ID',
                'name' => 'post_id',
                'type' => 'text',
                'instructions' => '(int|string) The \'$post_id\' to save/load data to/from. Can be set to a numeric post ID (123), or a string (\'user_2\'). 
    Defaults to \'options\'.',
                'required' => 0,
                'conditional_logic' => 0,
                'wrapper' => array(
                    'width' => '',
                    'class' => '',
                    'id' => '',
                ),
                'acfe_validate' => '',
                'acfe_update' => '',
                'acfe_permissions' => '',
                'default_value' => 'options',
                'placeholder' => '',
                'prepend' => '',
                'append' => '',
                'maxlength' => '',
            ),
            array(
                'key' => 'field_acfe_dop_autoload',
                'label' => 'Autoload',
                'name' => 'autoload',
                'type' => 'true_false',
                'instructions' => '(boolean)	Whether to load the option (values saved from this options page) when WordPress starts up.
    Defaults to false.',
                'required' => 0,
                'conditional_logic' => 0,
                'wrapper' => array(
                    'width' => '',
                    'class' => '',
                    'id' => '',
                ),
                'acfe_validate' => '',
                'acfe_update' => '',
                'acfe_permissions' => '',
                'message' => '',
                'default_value' => 0,
                'ui' => 1,
                'ui_on_text' => 'True',
                'ui_off_text' => 'False',
            ),
            array(
                'key' => 'field_acfe_dop_update_button',
                'label' => 'Update button',
                'name' => 'update_button',
                'type' => 'text',
                'instructions' => '(string) The update button text.',
                'required' => 0,
                'conditional_logic' => 0,
                'wrapper' => array(
                    'width' => '',
                    'class' => '',
                    'id' => '',
                ),
                'acfe_validate' => '',
                'acfe_update' => '',
                'acfe_permissions' => '',
                'default_value' => 'Update',
                'placeholder' => '',
                'prepend' => '',
                'append' => '',
                'maxlength' => '',
            ),
            array(
                'key' => 'field_acfe_dop_updated_message',
                'label' => 'Updated Message',
                'name' => 'updated_message',
                'type' => 'text',
                'instructions' => '(string) The message shown above the form on submit.',
                'required' => 0,
                'conditional_logic' => 0,
                'wrapper' => array(
                    'width' => '',
                    'class' => '',
                    'id' => '',
                ),
                'acfe_validate' => '',
                'acfe_update' => '',
                'acfe_permissions' => '',
                'default_value' => 'Options Updated',
                'placeholder' => '',
                'prepend' => '',
                'append' => '',
                'maxlength' => '',
            ),
        ),
    ));
    
}