<?php

namespace OneTag\Admin;

if ( ! class_exists( 'OneTag\Admin\Setup' ) ) {
	/**
	 * OneTag Setup Class
	 */
	class Setup {

		/**
		 * Constructor.
		 *
		 * @since 1.0.0
		 */
		public function __construct() {
			add_action( 'init', array( $this, 'register_one_tag_settings' ) );
			add_action( 'admin_menu', array( $this, 'register_page' ) );
			add_action( 'admin_enqueue_scripts', array( $this, 'register_scripts' ) );
			add_filter( 'plugin_action_links_' . plugin_basename( ADSMURAI_MAIN_PLUGIN_FILE ), array( $this, 'my_plugin_settings' ) );
		}

		public function my_plugin_settings( $settings ) {
			$settings_link = '<a href="' . admin_url( 'admin.php?page=one-tag' ) . '">' . esc_html__( 'Settings', 'adsmurai-one-tag' ) . '</a>';
			array_unshift( $settings, $settings_link );
			return $settings;
		}

		/**
		 * Load all necessary dependencies.
		 *
		 * @since 1.0.0
		 */
		public function register_scripts( $hook ) {
			if ( $hook !== 'settings_page_one-tag' ) {
				return;
			}

			$script_path       = '/build/index.js';
			$script_asset_path = dirname( ADSMURAI_MAIN_PLUGIN_FILE ) . '/build/index.asset.php';
			$script_asset      = file_exists( $script_asset_path )
				? require $script_asset_path
				: array(
					'dependencies' => array(),
					'version'      => filemtime( $script_path ),
				);
			$script_url        = plugins_url( $script_path, ADSMURAI_MAIN_PLUGIN_FILE );

			wp_register_script(
				'one-tag',
				$script_url,
				$script_asset['dependencies'],
				$script_asset['version'],
				true
			);

			wp_enqueue_style(
				'wp-components-style', // Handle name
				includes_url( 'css/dist/components/style.css' ), // WordPress components styles path
				array(),
				1
			);

			wp_register_style(
				'one-tag',
				plugins_url( '/build/index.css', ADSMURAI_MAIN_PLUGIN_FILE ),
				// Add any dependencies styles may have, such as wp-components.
				array( 'wp-components-style' ),
				filemtime( dirname( ADSMURAI_MAIN_PLUGIN_FILE ) . '/build/index.css' )
			);

			/* Expose wp token to client side */
			wp_localize_script( 'one-tag', 'wpData', array( 'oneTagWpToken' => wp_create_nonce( 'wp_rest' ) ) );

			wp_enqueue_script( 'one-tag' );
			wp_enqueue_style( 'one-tag' );

			/* Expose wp token to client side */
			wp_register_script( 'adsmurai-ot-token-script', plugins_url( '/build/wp-token.js', ADSMURAI_MAIN_PLUGIN_FILE ), array(), 1, true );
			wp_localize_script( 'adsmurai-ot-token-script', 'wpData', array( 'oneTagWpToken' => wp_create_nonce( 'wp_rest' ) ) );
			wp_enqueue_script( 'adsmurai-ot-token-script' );
		}

		/**
		 * Register page in WordPress admin
		 *
		 * @since 1.0.0
		 */
		public function register_page() {
			if ( ! function_exists( 'add_options_page' ) ) {
				return;
			}

			add_options_page(
				__( 'Adsmurai One Tag', 'adsmurai-one-tag' ), // Page title
				__( 'OneTag', 'adsmurai-one-tag' ), // Menu title
				'manage_options', // Capability (only admins can access)
				'one-tag',
				function () {
					echo '<div id="one-tag"></div>';
				}
			);
		}

		public function sanitize_one_tag_settings( $input ) {
			if ( ! is_array( $input ) && ! is_object( $input ) ) {
				return array(); // Return an empty array if not valid
			}

			$input = (array) $input; // Convert object to array for easier processing

			// Define schema structure
			$schema = array(
				'token'          => 'string',
				'apiToken'       => 'string',
				'organizationId' => 'string',
				'gdprCookie'     => 'string',
				'pixels'         => 'array',
				'forms'          => 'array',
			);

			// Validate and sanitize properties
			$sanitized = array();
			foreach ( $schema as $key => $type ) {
				if ( isset( $input[ $key ] ) ) {
					if ( $type === 'string' && is_string( $input[ $key ] ) ) {
						$sanitized[ $key ] = sanitize_text_field( $input[ $key ] );
					} elseif ( $type === 'array' && is_array( $input[ $key ] ) ) {
						if ( $key === 'pixels' ) {
							$sanitized[ $key ] = $this->sanitize_pixels( $input[ $key ] );
						} elseif ( $key === 'forms' ) {
							$sanitized[ $key ] = $this->sanitize_forms( $input[ $key ] );
						} else {
							$sanitized[ $key ] = array_values( $input[ $key ] );
						}
					}
				}
			}
			return (object) $sanitized;
		}

		private function sanitize_pixels( $pixels ) {
			$sanitized_pixels = array();
			foreach ( $pixels as $pixel ) {
				if ( ! is_array( $pixel ) ) {
					continue;
				}
				$sanitized_pixel                 = array();
				$sanitized_pixel['id']           = isset( $pixel['id'] ) ? sanitize_text_field( $pixel['id'] ) : '';
				$sanitized_pixel['name']         = isset( $pixel['name'] ) ? sanitize_text_field( $pixel['name'] ) : '';
				$sanitized_pixel['type']         = isset( $pixel['type'] ) ? sanitize_text_field( $pixel['type'] ) : '';
				$sanitized_pixel['access_token'] = isset( $pixel['access_token'] ) ? sanitize_text_field( $pixel['access_token'] ) : '';

				if ( isset( $pixel['events'] ) && is_array( $pixel['events'] ) ) {
					$sanitized_pixel['events'] = array_map( 'sanitize_text_field', $pixel['events'] );
				} else {
					$sanitized_pixel['events'] = array();
				}
				$sanitized_pixels[] = $sanitized_pixel;
			}
			return $sanitized_pixels;
		}

		private function sanitize_forms( $forms ) {
			$sanitized_forms = array();

			foreach ( $forms as $form ) {
				if ( ! is_array( $form ) ) {
					continue;
				}
				$sanitized_form           = array();
				$sanitized_form['formId'] = isset( $form['formId'] ) ? sanitize_text_field( $form['formId'] ) : '';
				$sanitized_form['plugin'] = isset( $form['plugin'] ) ? sanitize_text_field( $form['plugin'] ) : '';

				if ( isset( $form['matches'] ) && is_array( $form['matches'] ) ) {
					$sanitized_form['matches'] = array();
					foreach ( $form['matches'] as $match ) {
						if ( ! is_array( $match ) ) {
							continue;
						}

						$sanitized_match              = array();
						$sanitized_match['formField'] = isset( $match['formField'] ) ? sanitize_text_field( $match['formField'] ) : '';
						$sanitized_match['otField']   = isset( $match['otField'] ) ? sanitize_text_field( $match['otField'] ) : '';

						$sanitized_form['matches'][] = $sanitized_match;
					}
				} else {
					$sanitized_form['matches'] = array();
				}
				$sanitized_forms[] = $sanitized_form;
			}
			return $sanitized_forms;
		}

		public function register_one_tag_settings() {
			$default = array(
				'token'  => '',
				'pixels' => array(),
			);

			$schema = array(
				'type'       => 'object',
				'properties' => array(
					'token'          => array(
						'type' => 'string',
					),
					'apiToken'       => array(
						'type' => 'string',
					),
					'organizationId' => array(
						'type' => 'string',
					),
					'gdprCookie'     => array(
						'type' => 'string',
					),
					'pixels'         => array(
						'type'  => 'array',
						'items' => array(
							'type'       => 'object',
							'properties' => array(
								'id'           => array(
									'type'     => 'string',
									'required' => true,
								),
								'name'         => array(
									'type'     => 'string',
									'required' => false,
								),
								'type'         => array(
									'type'     => 'string',
									'required' => true,
								),
								'access_token' => array(
									'type'     => 'string',
									'required' => false,
								),
								'events'       => array(
									'type'     => 'array',
									'items'    => array(
										'type'     => 'string',
										'required' => true,
									),
									'required' => true,
								),
							),
						),
					),
					'forms'          => array(
						'type'  => 'array',
						'items' => array(
							'type'       => 'object',
							'properties' => array(
								'formId'  => array(
									'type'     => 'string',
									'required' => true,
								),
								'plugin'  => array(
									'type'     => 'string',
									'required' => true,
								),
								'matches' => array(
									'type'  => 'array',
									'items' => array(
										'type'       => 'object',
										'required'   => true,
										'properties' => array(
											'formField' => array(
												'type'     => 'string',
												'required' => true,
											),
											'otField'   => array( 'type' => 'string' ),
										),
									),
								),
							),
						),
					),
				),
			);

			$args = array(
				'type'              => 'object',
				'default'           => $default,
				'show_in_rest'      => array(
					'schema' => $schema,
				),
				'sanitize_callback' => array( $this, 'sanitize_one_tag_settings' ),
			);

			register_setting( 'options', 'one_tag_settings', $args ); // phpcs:ignore PluginCheck.CodeAnalysis.SettingSanitization.register_settingDynamic -- It's not dynamic...
		}
	}
}