<?php

	// Exit if accessed directly
	if ( ! defined( 'ABSPATH' ) ) {
		exit;
	}

	#[AllowDynamicProperties]
	class WS_Form_Data_Source_Post_Status extends WS_Form_Data_Source {

		public $id = 'poststatus';
		public $pro_required = false;
		public $label;
		public $label_retrieving;
		public $records_per_page = 0;

		public function __construct() {

			// Register config filters
			add_filter('wsf_config_meta_keys', array($this, 'config_meta_keys'), 10, 2);

			// Register API endpoint
			add_action('rest_api_init', array($this, 'rest_api_init'), 10, 0);

			// Records per page
			// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- All hooks prefixed with wsf_
			$this->records_per_page = apply_filters('wsf_data_source_' . $this->id . '_records_per_age', $this->records_per_page);

			// Register init actin
			add_action('init', array($this, 'init'));
		}

		public function init() {

			// Set label
			$this->label = __('Post Statuses', 'ws-form');

			// Set label retrieving
			$this->label_retrieving = __('Retrieving data...', 'ws-form');

			// Register data source
			parent::register($this);
		}

		// Get
		public function get($form_object, $field_id, $page, $meta_key, $meta_value, $no_paging = false, $api_request = false) {

			// Check meta key
			if(empty($meta_key)) { return self::error(__('No meta key specified', 'ws-form'), $field_id, $this, $api_request); }

			// Get meta key config
			$meta_keys = WS_Form_Config::get_meta_keys();
			if(!isset($meta_keys[$meta_key])) { return self::error(__('Unknown meta key', 'ws-form'), $field_id, $this, $api_request); }
			$meta_key_config = $meta_keys[$meta_key];

			// Check meta value
			if(
				!is_object($meta_value) ||
				!isset($meta_value->columns) ||
				!isset($meta_value->groups) ||
				!isset($meta_value->groups[0])
			) {

				if(!isset($meta_key_config['default'])) { return self::error(__('No default value', 'ws-form'), $field_id, $this, $api_request); }

				// If meta_value is invalid, create one from default
				$meta_value = json_decode(wp_json_encode($meta_key_config['default']));
			}

			// Columns
			$meta_value->columns = self::get_columns_default();

			// Base meta
			$group = clone($meta_value->groups[0]);

			// Build args
			$args = array();

			// Argument filter: Built In
			if($this->{'data_source_' . $this->id . '_built_in'} !== '') {

				$args['_builtin'] = ($this->{'data_source_' . $this->id . '_built_in'} === 'true');
			}

			// Argument filter: Internal
			if($this->{'data_source_' . $this->id . '_internal'} !== '') {

				$args['internal'] = ($this->{'data_source_' . $this->id . '_internal'} === 'true');
			}

			// Get post statuses
			$post_statuses = get_post_stati($args, 'objects');

			// Run through choices
			$rows = array();
			$row_index = 1;
			foreach($post_statuses as $post_status) {

				$rows[] = (object) array(

					'id'		=> $row_index++,
					'data'		=> array(

						$post_status->label,
						$post_status->name
					)
				);
			}

			// Build new group if one does not exist
			if(!isset($meta_value->groups[0])) {

				$meta_value->groups[0] = $group;
			}

			$meta_value->groups[0]->label = $this->label;

			// Rows
			$meta_value->groups[0]->rows = $rows;

			// Delete any old groups
			$group_index = 1;
			while(isset($meta_value->groups[$group_index])) {

				unset($meta_value->groups[$group_index++]);
			}

			// Column mapping
			$meta_keys = parent::get_column_mapping(array(), $meta_value, $meta_key_config);

			// Return data
			return array(

				'error' => false,
				'error_message' => '',
				// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_value
				'meta_value' => $meta_value,
				'max_num_pages' => 0,
				'meta_keys' => $meta_keys
			);
		}

		// Get default columns
		public function get_columns_default() {

			return array(

				(object) array('id' => 0, 'label' => __('Label', 'ws-form')),
				(object) array('id' => 1, 'label' => __('Value', 'ws-form'))
			);
		}

		// Get meta keys
		public function get_data_source_meta_keys() {

			return array(

				'data_source_' . $this->id . '_built_in',
				'data_source_' . $this->id . '_internal'
			);
		}

		// Get settings
		public function get_data_source_settings() {

			// Build settings
			$settings = array(

				'meta_keys' => self::get_data_source_meta_keys()
			);

			// Add retrieve button
			$settings['meta_keys'][] = 'data_source_' . $this->id . '_get';

			// Wrap settings so they will work with sidebar_html function in admin.js
			$settings = parent::get_settings_wrapper($settings);

			// Add label
			$settings->label = $this->label;

			// Add label retrieving
			$settings->label_retrieving = $this->label_retrieving;

			// Add API GET endpoint
			$settings->endpoint_get = 'data-source/' . $this->id . '/';

			// Apply filter
			// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- All hooks prefixed with wsf_
			$settings = apply_filters('wsf_data_source_' . $this->id . '_settings', $settings);

			return $settings;
		}

		// Meta keys for this action
		public function config_meta_keys($meta_keys = array(), $form_id = 0) {

			// Build config_meta_keys
			$config_meta_keys = array(

				// Built In
				'data_source_' . $this->id . '_built_in'	=> array(

					'label'		=>	__('Built In', 'ws-form'),
					'type'		=>	'select',
					'options'	=>	array(

						array('value' => '', 'text' => __('All', 'ws-form')),
						array('value' => 'true', 'text' => __('Yes', 'ws-form')),
						array('value' => 'false', 'text' => __('No', 'ws-form'))
					),
					'default'	=>	'true',
					'help'		=>	__('Filter post statuses by the built in attribute.', 'ws-form')
				),

				// Internal
				'data_source_' . $this->id . '_internal'	=> array(

					'label'		=>	__('Internal', 'ws-form'),
					'type'		=>	'select',
					'options'	=>	array(

						array('value' => '', 'text' => __('All', 'ws-form')),
						array('value' => 'true', 'text' => __('Yes', 'ws-form')),
						array('value' => 'false', 'text' => __('No', 'ws-form'))
					),
					'default'	=>	'false',
					'help'		=>	__('Filter post statuses by the internal attribute.', 'ws-form')
				),

				// Get Data
				'data_source_' . $this->id . '_get' => array(

					'label'						=>	__('Get Data', 'ws-form'),
					'type'						=>	'button',
					'key'						=>	'data_source_get'
				)
			);

			// Merge
			$meta_keys = array_merge($meta_keys, $config_meta_keys);

			return $meta_keys;
		}

		// Build REST API endpoints
		public function rest_api_init() {

			// Get data source
			register_rest_route(WS_FORM_RESTFUL_NAMESPACE, '/data-source/' . $this->id . '/', array('methods' => 'POST', 'callback' => array($this, 'api_post'), 'permission_callback' => function () { return WS_Form_Common::can_user('edit_form'); }));
		}

		// api_post
		public function api_post() {

			// Get meta keys
			$meta_keys = self::get_data_source_meta_keys();

			// Read settings
			foreach($meta_keys as $meta_key) {

				$this->{$meta_key} = WS_Form_Common::get_query_var($meta_key, false);
				if(
					is_object($this->{$meta_key}) ||
					is_array($this->{$meta_key})
				) {

					$this->{$meta_key} = json_decode(wp_json_encode($this->{$meta_key}));
				}
			}

			// Get field ID
			$field_id = WS_Form_Common::get_query_var('field_id', 0);

			// Get page
			$page = absint(WS_Form_Common::get_query_var('page', 1));

			// Get meta key
			$meta_key = WS_Form_Common::get_query_var('meta_key', 0);

			// Get meta value
			$meta_value = WS_Form_Common::get_query_var('meta_value', 0);

			// Get return data
			$get_return = self::get(false, $field_id, $page, $meta_key, $meta_value, false, true);

			// Error checking
			if($get_return['error']) {

				// Error
				return self::api_error($get_return);

			} else {

				// Success
				return $get_return;
			}
		}
	}

	new WS_Form_Data_Source_Post_Status();
