<?php
namespace Admirly\Wp;

use Admirly\Domain\Labels;
use Admirly\Plugin;

/**
 * admirly_review post type and meta fields.
 */
final class Cpt {
	public const META = [
		'_admirly_name'       => 'string',
		'_admirly_role'       => 'string',
		'_admirly_sub'        => 'string',
		'_admirly_rating'     => 'integer',
		'_admirly_consent_at' => 'string',
		'_admirly_ip_hash'    => 'string',
		'_admirly_source'     => 'string',
		'_admirly_lang'       => 'string',
	];

	public function register(): void {
		add_action( 'init', [ $this, 'registerPostType' ] );
		add_action( 'init', [ $this, 'registerMeta' ] );
	}

	public function registerPostType(): void {
		register_post_type(
			Plugin::CPT,
			[
				'labels'              => [
					'name'               => __( 'Admirly', 'admirly' ),
					'singular_name'      => __( 'Admirly', 'admirly' ),
					'add_new'            => __( 'New review', 'admirly' ),
					'add_new_item'       => __( 'Add new review', 'admirly' ),
					'edit_item'          => __( 'Edit review', 'admirly' ),
					'all_items'          => __( 'All reviews', 'admirly' ),
					'search_items'       => __( 'Search reviews', 'admirly' ),
					'not_found'          => __( 'No reviews yet.', 'admirly' ),
					'not_found_in_trash' => __( 'No reviews in trash.', 'admirly' ),
					'menu_name'          => __( 'Admirly', 'admirly' ),
				],
				'public'              => false,
				'show_ui'             => true,
				'show_in_menu'        => true,
				'show_in_rest'        => false,
				'exclude_from_search' => true,
				'menu_position'       => 26,
				'menu_icon'           => 'dashicons-star-filled',
				'supports'            => [ 'title', 'editor' ],
				'capability_type'     => 'post',
				'map_meta_cap'        => true,
				'has_archive'         => false,
				'rewrite'             => false,
			]
		);
	}

	/** Meta keys with their types; extensions add their own through `admirly_meta_keys`. @return array<string,string> */
	public static function metaKeys(): array {
		/** @param array<string,string> $keys meta key => type */
		return (array) apply_filters( 'admirly_meta_keys', self::META );
	}

	public function registerMeta(): void {
		foreach ( self::metaKeys() as $key => $type ) {
			register_post_meta(
				Plugin::CPT,
				$key,
				[
					'type'          => $type,
					'single'        => true,
					'show_in_rest'  => false,
					'auth_callback' => static fn() => current_user_can( 'edit_others_posts' ),
				]
			);
		}
	}

	/** Card subtitle "Role · Sub" (extensions may append parts). @param array<string,mixed> $item */
	public static function cardLabel( array $item ): string {
		$fields = Plugin::fields();
		$parts  = Labels::parts( $fields, (string) ( $item['role'] ?? '' ), (string) ( $item['sub'] ?? '' ) );
		/** @param string[] $parts @param array<string,mixed> $item @param array<string,mixed> $fields */
		$parts = (array) apply_filters( 'admirly_card_label_parts', $parts, $item, $fields );
		return Labels::join( array_map( 'strval', $parts ) );
	}

	/** Collects the display data of a review; extensions add their own keys through `admirly_item`. @return array<string,mixed> */
	public static function item( \WP_Post $post ): array {
		$name = (string) get_post_meta( $post->ID, '_admirly_name', true );
		if ( $name === '' ) {
			$name = $post->post_title;
		}
		$item = [
			'id'       => $post->ID,
			'name'     => $name,
			'role'     => (string) get_post_meta( $post->ID, '_admirly_role', true ),
			'sub'      => (string) get_post_meta( $post->ID, '_admirly_sub', true ),
			'rating'   => max( 0, min( 5, (int) get_post_meta( $post->ID, '_admirly_rating', true ) ) ),
			'text'     => wp_strip_all_tags( $post->post_content ),
			'lang'     => (string) get_post_meta( $post->ID, '_admirly_lang', true ),
			'date'     => get_the_date( 'F Y', $post ),
			'date_iso' => get_the_date( 'c', $post ),
		];
		/** @param array<string,mixed> $item @param \WP_Post $post */
		return (array) apply_filters( 'admirly_item', $item, $post );
	}
}