<?php

declare(strict_types=1);

namespace Sarcio\WordPress\Assistant;

final class SiteAbilities
{
    /** @return array<int,Ability> */
    public static function abilities(): array
    {
        return [
            new Ability(
                'sarcio/site-info',
                __('Look at the site settings', 'sarcio'),
                Ability::READ,
                'Basic facts about this WordPress site: name, tagline, URLs, WordPress version, active theme, whether WooCommerce is active, whether plugins may be installed (fileMods), the permalink structure and which pages are the front page and the posts page.',
                ['properties' => [], 'type' => 'object'],
                static fn (array $args): bool => current_user_can('edit_posts'),
                static fn (array $args): array => self::info(),
            ),
        ];
    }

    public static function fileModsAllowed(): bool
    {
        return !(defined('DISALLOW_FILE_MODS') && DISALLOW_FILE_MODS);
    }

    public static function woocommerceActive(): bool
    {
        return class_exists('WooCommerce') && function_exists('wc_get_product');
    }

    /** @return array<string,mixed> */
    public static function info(): array
    {
        $theme = function_exists('wp_get_theme') ? wp_get_theme() : null;
        return [
            'adminUrl' => admin_url(),
            'fileMods' => self::fileModsAllowed(),
            'frontPageId' => (int) get_option('page_on_front', 0),
            'homeUrl' => home_url('/'),
            'locale' => function_exists('get_locale') ? get_locale() : 'en_US',
            'name' => html_entity_decode((string) get_bloginfo('name'), ENT_QUOTES | ENT_HTML5, 'UTF-8'),
            'permalinkStructure' => (string) get_option('permalink_structure', ''),
            'postsPageId' => (int) get_option('page_for_posts', 0),
            'showOnFront' => (string) get_option('show_on_front', 'posts'),
            'tagline' => html_entity_decode((string) get_bloginfo('description'), ENT_QUOTES | ENT_HTML5, 'UTF-8'),
            'theme' => $theme !== null ? (string) $theme->get('Name') : '',
            'timezone' => function_exists('wp_timezone_string') ? wp_timezone_string() : 'UTC',
            'woocommerce' => self::woocommerceActive(),
            'wpVersion' => (string) get_bloginfo('version'),
        ];
    }

    /** What Sarcio is told about the site with every turn. */
    public static function context(): array
    {
        $info = self::info();
        $user = wp_get_current_user();
        $roles = is_object($user) && isset($user->roles) && is_array($user->roles) ? array_values($user->roles) : [];
        return [
            'adminUrl' => $info['adminUrl'],
            'applies' => Requests::canApply() ? 'self' : 'agency',
            'fileMods' => $info['fileMods'],
            'homeUrl' => $info['homeUrl'],
            'locale' => $info['locale'],
            'role' => (string) ($roles[0] ?? ''),
            'siteName' => $info['name'],
            'theme' => $info['theme'],
            'timezone' => $info['timezone'],
            'woocommerce' => $info['woocommerce'],
            'wpVersion' => $info['wpVersion'],
        ];
    }
}