<?php

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

final class AIEO_Content_Abilities {

	const CATEGORY = 'rooster';

	
	public static function category() {
		if ( ! function_exists( 'wp_register_ability_category' ) || ! function_exists( 'wp_has_ability_category' ) || wp_has_ability_category( self::CATEGORY ) ) {
			return;
		}
		wp_register_ability_category( self::CATEGORY, array( 'label' => __( 'Rooster Zero theme', 'ai-eshop-optimizer' ), 'description' => __( 'Read the theme manifest, tokens, templates, patterns, slots and settings; change them through draft, preview, apply and undo.', 'ai-eshop-optimizer' ) ) );
	}

	public static function register() {
		if ( ! function_exists( 'wp_register_ability' ) ) {
			return;
		}
		$obj = static function ( array $props = array(), array $required = array() ) {
			return array( 'type' => 'object', 'properties' => $props, 'required' => $required, 'additionalProperties' => true );
		};
		$read  = array( 'readonly' => true, 'idempotent' => true, 'destructive' => false );
		$write = array( 'readonly' => false, 'idempotent' => true, 'destructive' => false );
		$out   = $obj();
		$spec  = array( 'spec' => $obj( array(), array() ) + array( 'description' => 'A rooster-page@1 spec (the object, not a path).' ) );
		$media = array(
			'strict' => array( 'type' => 'boolean', 'description' => 'The validator\'s warnings are errors.' ),
		);

		wp_register_ability(
			self::CATEGORY . '/validate-page',
			array(
				'label'               => __( 'Validate a page spec', 'ai-eshop-optimizer' ),
				'description'         => __( 'Check a rooster-page@1 spec: the shape, the kinds, the keys, the icons, the patterns, the media, the links. Returns errors and warnings.', 'ai-eshop-optimizer' ),
				'category'            => self::CATEGORY,
				'input_schema'        => $obj( $spec + $media, array( 'spec' ) ),
				'output_schema'       => $out,
				'execute_callback'    => static function ( $input ) {
					$input = (array) $input;
					if ( ! is_array( $input['spec'] ?? null ) ) {
						return new WP_Error( 'aieo_content_no_spec', __( 'spec: the page spec object is required.', 'ai-eshop-optimizer' ), array( 'status' => 400 ) );
					}
					return AIEO_Content_Spec::validate( $input['spec'], AIEO_Content_Compiler::media_defaults() + array( 'check_files' => true ) );
				},
				'permission_callback' => array( __CLASS__, 'can_read' ),
				'meta'                => array( 'annotations' => $read, 'show_in_rest' => true ),
			)
		);
		wp_register_ability(
			self::CATEGORY . '/export-page',
			array(
				'label'               => __( 'Export a page as a spec', 'ai-eshop-optimizer' ),
				'description'         => __( 'A page\'s blocks back to a rooster-page@1 spec. Input: page (the recipe key, the slug or the id).', 'ai-eshop-optimizer' ),
				'category'            => self::CATEGORY,
				'input_schema'        => $obj( array( 'page' => array( 'type' => array( 'string', 'integer' ) ) ), array( 'page' ) ),
				'output_schema'       => $out,
				'execute_callback'    => static function ( $input ) {
					return AIEO_Content_Exporter::export( (string) ( ( (array) $input )['page'] ?? '' ) );
				},
				'permission_callback' => array( __CLASS__, 'can_read' ),
				'meta'                => array( 'annotations' => $read, 'show_in_rest' => true ),
			)
		);
		wp_register_ability(
			self::CATEGORY . '/apply-page',
			array(
				'label'               => __( 'Apply a page spec', 'ai-eshop-optimizer' ),
				'description'         => __( 'Compile a rooster-page@1 spec into a page. mode draft (default) writes an autosave and returns a preview link (a new page is created as a draft); mode apply updates the page (a revision) and sets its meta. force: true, or the keys of the sections whose human edits to override.', 'ai-eshop-optimizer' ),
				'category'            => self::CATEGORY,
				'input_schema'        => $obj(
					$spec + $media + array(
						'mode'    => array( 'type' => 'string', 'enum' => array( 'draft', 'apply' ), 'default' => 'draft' ),
						'status'  => array( 'type' => 'string', 'enum' => array( 'draft', 'publish' ) ),
						'force'   => array( 'type' => array( 'boolean', 'array' ), 'items' => array( 'type' => 'string' ) ),
						'dry_run' => array( 'type' => 'boolean' ),
					),
					array( 'spec' )
				),
				'output_schema'       => $out,
				'execute_callback'    => static function ( $input ) {
					$input = (array) $input;
					if ( ! is_array( $input['spec'] ?? null ) ) {
						return new WP_Error( 'aieo_content_no_spec', __( 'spec: the page spec object is required.', 'ai-eshop-optimizer' ), array( 'status' => 400 ) );
					}
					return AIEO_Content_Compiler::apply(
						$input['spec'],
						array(
							'mode'    => (string) ( $input['mode'] ?? 'draft' ),
							'status'  => (string) ( $input['status'] ?? '' ),
							'force'   => $input['force'] ?? false,
							'dry_run' => ! empty( $input['dry_run'] ),
							'strict'  => ! empty( $input['strict'] ),
						)
					);
				},
				'permission_callback' => array( __CLASS__, 'can_write' ),
				'meta'                => array( 'annotations' => $write, 'show_in_rest' => true ),
			)
		);
		wp_register_ability(
			self::CATEGORY . '/apply-menus',
			array(
				'label'               => __( 'Apply the menus', 'ai-eshop-optimizer' ),
				'description'         => __( 'Write a rooster-menus@1 file\'s menus as navigation posts (adopted by slug). mode draft (default) plans without writing; apply writes.', 'ai-eshop-optimizer' ),
				'category'            => self::CATEGORY,
				'input_schema'        => $obj( array( 'menus' => $obj(), 'mode' => array( 'type' => 'string', 'enum' => array( 'draft', 'apply' ), 'default' => 'draft' ), 'dry_run' => array( 'type' => 'boolean' ), 'strict' => array( 'type' => 'boolean' ) ), array( 'menus' ) ),
				'output_schema'       => $out,
				'execute_callback'    => static function ( $input ) {
					$input = (array) $input;
					if ( ! is_array( $input['menus'] ?? null ) ) {
						return new WP_Error( 'aieo_content_no_menus', __( 'menus: the menus object is required.', 'ai-eshop-optimizer' ), array( 'status' => 400 ) );
					}
					return AIEO_Content_Menus::apply( $input['menus'], array( 'mode' => (string) ( $input['mode'] ?? 'draft' ), 'dry_run' => ! empty( $input['dry_run'] ), 'strict' => ! empty( $input['strict'] ) ) );
				},
				'permission_callback' => array( __CLASS__, 'can_write_menus' ),
				'meta'                => array( 'annotations' => $write, 'show_in_rest' => true ),
			)
		);
	}

	public static function can_read() {
		return current_user_can( 'edit_pages' );
	}

	public static function can_write() {
		if ( ! current_user_can( 'edit_pages' ) ) {
			return false;
		}
		if ( defined( 'AIEO_CAPABILITY' ) && ! current_user_can( (string) AIEO_CAPABILITY ) ) {
			return false;
		}
		return true;
	}

	
	public static function can_write_menus() {
		return current_user_can( 'edit_theme_options' ) && self::can_write();
	}
}