<?php
namespace addon\theme_configurator\model;

use think\facade\Cache;
use think\facade\Config;
use think\facade\Db;

/**
 * 主题配置模型
 */
class ThemeConfigModel
{
    public const TABLE = 'addon_theme_configurator';
    
    // 缓存配置
    private const CACHE_KEY = 'theme_config_cache';
    private const CACHE_TTL = 3600; // 缓存1小时

    public static function tableName(): string
    {
        $connections = Config::get('database.connections', []);
        $defaultConnection = Config::get('database.default', 'mysql');
        $prefix = $connections[$defaultConnection]['prefix'] ?? Config::get('database.prefix', '');
        return $prefix . self::TABLE;
    }

    protected function query()
    {
        return Db::name(self::TABLE);
    }

    /**
     * 获取配置 (带缓存)
     */
    public function getConfig(): array
    {
        // 临时禁用缓存读取用于调试
        /*
        // 尝试从缓存获取
        try {
            $config = Cache::get(self::CACHE_KEY);
            
            if ($config !== false && $config !== null) {
                // 缓存命中
                error_log('ThemeConfigModel::getConfig() - 返回banner数: ' . count($config['banner'] ?? []));
        return $config;
            }
        } catch (\Throwable $e) {
            // 缓存系统异常,继续从数据库读取
        }
        */
        
        // 缓存未命中,从数据库读取
        $row = $this->query()->order('id', 'desc')->find();
        error_log('ThemeConfigModel::getConfig() - 查询结果: ' . ($row ? 'found' : 'not found'));
        if ($row) {
            error_log('config字段长度: ' . strlen($row['config']));
            error_log('config前100字符: ' . substr($row['config'], 0, 100));
        }
        if (!$row) {
            $config = $this->defaultConfig();
        } else {
            $config = json_decode($row['config'], true);
            $config = is_array($config) ? $config : $this->defaultConfig();
        }
        
        // 临时禁用缓存写入用于调试
        /*
        // 写入缓存 (忽略缓存写入失败)
        try {
            Cache::set(self::CACHE_KEY, $config, self::CACHE_TTL);
        } catch (\Throwable $e) {
            // 忽略缓存写入失败
        }
        */
        
        return $config;
    }

    /**
     * 保存配置
     */
    public function saveConfig(array $config): array
    {
        $payload = [
            'config'      => json_encode($config, JSON_UNESCAPED_UNICODE),
            'update_time' => time(),
        ];

        // 删除所有旧记录,确保只有一条最新记录
        $this->query()->delete();
        
        // 插入新记录
        $this->query()->insert($payload);

        // 清除缓存,确保下次读取最新数据
        try {
            Cache::delete(self::CACHE_KEY);
        } catch (\Throwable $e) {
            // 忽略缓存删除失败
        }

        return $config;
    }

    /**
     * 安装时写入默认配置
     */
    public function initConfig(): void
    {
        $exists = $this->query()->order('id', 'asc')->find();
        if (!$exists) {
            $this->saveConfig($this->defaultConfig());
        }
    }

    /**
     * 默认结构
     */
    protected function defaultConfig(): array
    {
        return [
            'seo'           => [
                'title'       => 'BlackFruit-UI',
                'keywords'    => '云服务器,主题云,BlackFruit',
                'description' => 'BlackFruit-UI 默认站点说明',
            ],
            // 顶部/底部导航
            'header_nav'    => [],
            'footer_nav'    => [],
            // 站点基础信息
            'site_config'   => [
                'enterprise_name'                      => '主题云',
                'enterprise_telephone'                 => '400-000-0000',
                'enterprise_mailbox'                   => 'support@example.com',
                'enterprise_qrcode'                    => '/upload/qrcode.png',
                'official_website_logo'                => '/upload/logo.png',
                // 在线客服链接，对应原主题中的 online_customer_service_link
                'online_customer_service_link'         => 'http://www.test.com',
                'icp_info'                             => '京ICP备示例号',
                'icp_info_link'                        => 'https://beian.miit.gov.cn/#/Integrated/index',
                'public_security_network_preparation'  => '京公网安备示例号',
                'public_security_network_preparation_link' => 'https://beian.mps.gov.cn/#/query/webSearch',
                'telecom_appreciation'                 => '增值电信业务经营许可证',
                'copyright_info'                       => '© ' . date('Y') . ' 主题云',
                'terms_service_url'                    => '/agreement/service.html',
                'terms_privacy_url'                    => '/agreement/privacy.html',
                'cloud_product_link'                   => '/cart/goods.htm?id=1',
                'dcim_product_link'                    => '/cart/goods.htm?id=2',
            ],
            // 友情链接、轮播、侧边浮窗等
            'friendly_link' => [],
            'banner'        => [],
            'side'          => [],
            // 用于 /console/v1/common 的扩展字段
            'feedback_type' => [],
            'honor'         => [],
        ];
    }
}