<?php
namespace AskTamMCP\Tools;
defined('ABSPATH') || exit;

class ThemeTools {

    public static function listThemes(array $args): array {
        $themes = wp_get_themes();
        return ['themes'=>array_map(fn($t)=>['stylesheet'=>$t->get_stylesheet(),'name'=>$t->get('Name'),'version'=>$t->get('Version'),'description'=>$t->get('Description'),'author'=>$t->get('Author')],$themes),'total'=>count($themes)];
    }

    public static function getActiveTheme(array $args): array {
        $t = wp_get_theme();
        return ['name'=>$t->get('Name'),'version'=>$t->get('Version'),'stylesheet'=>$t->get_stylesheet(),'template'=>$t->get_template(),'author'=>$t->get('Author'),'description'=>$t->get('Description'),'uri'=>$t->get('ThemeURI'),'screenshot'=>$t->get_screenshot()];
    }

    public static function switchTheme(array $args): array {
        $theme = wp_get_theme($args['stylesheet']);
        if (!$theme->exists()) throw new \RuntimeException("Theme not found: {$args['stylesheet']}");
        switch_theme($args['stylesheet']);
        return ['stylesheet'=>$args['stylesheet'],'switched'=>true];
    }

    public static function getCustomCss(array $args): array {
        $custom_css = wp_get_custom_css();
        return ['css' => $custom_css ?: '', 'theme' => get_stylesheet()];
    }

    public static function updateCustomCss(array $args): array {
        $css = $args['css'] ?? '';
        $result = wp_update_custom_css_post($css);
        if (is_wp_error($result)) throw new \RuntimeException($result->get_error_message());
        return ['updated' => true, 'theme' => get_stylesheet()];
    }

    public static function getThemeMods(array $args): array {
        $mods = get_theme_mods();
        return ['theme' => get_stylesheet(), 'mods' => $mods ?: []];
    }

    public static function updateThemeMod(array $args): array {
        $mod_name  = sanitize_key($args['mod_name']);
        $mod_value = $args['mod_value'];
        if (empty($mod_name)) throw new \RuntimeException('mod_name is required.');
        set_theme_mod($mod_name, $mod_value);
        return ['mod_name' => $mod_name, 'updated' => true];
    }
}