<?php
/**
 * Gateway meta-tools.
 *
 * @package AgentdeskSiteOperations
 */

defined( 'ABSPATH' ) || exit;

add_action(
	'agentdesk_register_tools',
	function ( $registry ) {
		$registry->register(
			'agentdesk_discover',
			array(
				'description' => 'Search and browse available WordPress MCP tools by keyword or domain.',
				'domain'      => 'gateway',
				'capability'  => 'read',
				'inputSchema' => array(
					'type'       => 'object',
					'properties' => array(
						'query'  => array( 'type' => 'string', 'description' => 'Keyword search' ),
						'domain' => array( 'type' => 'string', 'description' => 'Filter by domain: core, content, media, plugins, themes, woocommerce, elementor, integrations' ),
						'limit'  => array( 'type' => 'integer', 'description' => 'Max results (1-100)' ),
					),
				),
			),
			function ( $args ) use ( $registry ) {
				return $registry->discover( $args );
			}
		);

		$registry->register(
			'agentdesk_info',
			array(
				'description' => 'Get full schema and metadata for a specific MCP tool.',
				'domain'      => 'gateway',
				'capability'  => 'read',
				'inputSchema' => array(
					'type'       => 'object',
					'properties' => array(
						'name' => array( 'type' => 'string', 'description' => 'Tool name' ),
					),
					'required'   => array( 'name' ),
				),
			),
			function ( $args ) use ( $registry ) {
				if ( empty( $args['name'] ) ) {
					return new WP_Error( 'agentdesk_missing_arg', 'name is required' );
				}
				return $registry->info( $args['name'] );
			}
		);

		$registry->register(
			'agentdesk_run',
			array(
				'description' => 'Execute any registered MCP tool by name.',
				'domain'      => 'gateway',
				'capability'  => 'read',
				'inputSchema' => array(
					'type'       => 'object',
					'properties' => array(
						'name'      => array( 'type' => 'string' ),
						'arguments' => array( 'type' => 'object' ),
						'dry_run'   => array( 'type' => 'boolean' ),
					),
					'required'   => array( 'name' ),
				),
			),
			function ( $args ) use ( $registry ) {
				if ( empty( $args['name'] ) ) {
					return new WP_Error( 'agentdesk_missing_arg', 'name is required' );
				}
				$tool_args = isset( $args['arguments'] ) && is_array( $args['arguments'] ) ? $args['arguments'] : array();
				$dry_run   = ! empty( $args['dry_run'] );
				return $registry->run( $args['name'], $tool_args, $dry_run );
			}
		);

		$registry->register(
			'agentdesk_batch',
			array(
				'description' => 'Run multiple MCP tools in sequence. Stops on first error by default.',
				'domain'      => 'gateway',
				'capability'  => 'read',
				'inputSchema' => array(
					'type'       => 'object',
					'properties' => array(
						'steps'         => array(
							'type'  => 'array',
							'items' => array(
								'type'       => 'object',
								'properties' => array(
									'name'      => array( 'type' => 'string' ),
									'arguments' => array( 'type' => 'object' ),
									'dry_run'   => array( 'type' => 'boolean' ),
								),
							),
						),
						'stop_on_error' => array( 'type' => 'boolean' ),
					),
					'required'   => array( 'steps' ),
				),
			),
			function ( $args ) use ( $registry ) {
				$steps = isset( $args['steps'] ) && is_array( $args['steps'] ) ? $args['steps'] : array();
				$stop  = ! isset( $args['stop_on_error'] ) || ! empty( $args['stop_on_error'] );
				return $registry->batch( $steps, $stop );
			}
		);
	}
);