<?php

namespace App\Http\Controllers\V2\Admin;

use App\Http\Controllers\Controller;
use App\Http\Requests\Admin\ConfigSave;
use App\Protocols\Clash;
use App\Protocols\ClashMeta;
use App\Protocols\Loon;
use App\Protocols\SingBox;
use App\Protocols\Stash;
use App\Protocols\Surfboard;
use App\Protocols\Surge;
use App\Services\MailService;
use App\Services\TelegramService;
use App\Services\ThemeService;
use App\Utils\Dict;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Facades\Log;

class ConfigController extends Controller
{


    public function getEmailTemplate()
    {
        $path = resource_path('views/mail/');
        $files = array_map(function ($item) use ($path) {
            return str_replace($path, '', $item);
        }, glob($path . '*'));
        return $this->success($files);
    }

    public function getThemeTemplate()
    {
        $path = public_path('theme/');
        $files = array_map(function ($item) use ($path) {
            return str_replace($path, '', $item);
        }, glob($path . '*'));
        return $this->success($files);
    }

    public function testSendMail(Request $request)
    {
        $mailLog = MailService::sendEmail([
            'email' => $request->user()->email,
            'subject' => 'This is xboard test email',
            'template_name' => 'notify',
            'template_value' => [
                'name' => admin_setting('app_name', 'XBoard'),
                'content' => 'This is xboard test email',
                'url' => admin_setting('app_url')
            ]
        ]);
        return response([
            'data' => $mailLog,
        ]);
    }
    /**
     * 获取规则模板内容
     * 
     * @param string $file 文件路径
     * @return string 文件内容
     */
    private function getTemplateContent(string $file): string
    {
        $path = base_path($file);
        return File::exists($path) ? File::get($path) : '';
    }

    public function setTelegramWebhook(Request $request)
    {
        // 判断站点网址
        $app_url = admin_setting('app_url');
        if (blank($app_url))
            return $this->fail([422, '请先设置站点网址']);
        $hookUrl = $app_url . '/api/v1/guest/telegram/webhook?' . http_build_query([
            'access_token' => md5(admin_setting('telegram_bot_token', $request->input('telegram_bot_token')))
        ]);
        $telegramService = new TelegramService($request->input('telegram_bot_token'));
        $telegramService->getMe();
        $telegramService->setWebhook($hookUrl);
        return $this->success(true);
    }

    /**
     * 获取自定义规则文件路径，如果不存在则返回默认文件路径
     * 
     * @param string $customFile 自定义规则文件路径
     * @param string $defaultFile 默认文件名
     * @return string 文件名
     */
    private function getRuleFile(string $customFile, string $defaultFile): string
    {
        return File::exists(base_path($customFile)) ? $customFile : $defaultFile;
    }

    public function fetch(Request $request)
    {
        $key = $request->input('key');
        $data = [
            'invite' => [
                'invite_force' => (bool) admin_setting('invite_force', 0),
                'invite_commission' => admin_setting('invite_commission', 10),
                'invite_gen_limit' => admin_setting('invite_gen_limit', 5),
                'invite_never_expire' => (bool) admin_setting('invite_never_expire', 0),
                'commission_first_time_enable' => (bool) admin_setting('commission_first_time_enable', 1),
                'commission_auto_check_enable' => (bool) admin_setting('commission_auto_check_enable', 1),
                'commission_withdraw_limit' => admin_setting('commission_withdraw_limit', 100),
                'commission_withdraw_method' => admin_setting('commission_withdraw_method', Dict::WITHDRAW_METHOD_WHITELIST_DEFAULT),
                'withdraw_close_enable' => (bool) admin_setting('withdraw_close_enable', 0),
                'commission_distribution_enable' => (bool) admin_setting('commission_distribution_enable', 0),
                'commission_distribution_l1' => admin_setting('commission_distribution_l1'),
                'commission_distribution_l2' => admin_setting('commission_distribution_l2'),
                'commission_distribution_l3' => admin_setting('commission_distribution_l3')
            ],
            'site' => [
                'logo' => admin_setting('logo'),
                'force_https' => (int) admin_setting('force_https', 0),
                'stop_register' => (int) admin_setting('stop_register', 0),
                'app_name' => admin_setting('app_name', 'XBoard'),
                'app_description' => admin_setting('app_description', 'XBoard is best!'),
                'app_url' => admin_setting('app_url'),
                'subscribe_url' => admin_setting('subscribe_url'),
                'try_out_plan_id' => (int) admin_setting('try_out_plan_id', 0),
                'try_out_hour' => (int) admin_setting('try_out_hour', 1),
                'tos_url' => admin_setting('tos_url'),
                'currency' => admin_setting('currency', 'CNY'),
                'currency_symbol' => admin_setting('currency_symbol', '¥'),
            ],
            'subscribe' => [
                'plan_change_enable' => (bool) admin_setting('plan_change_enable', 1),
                'reset_traffic_method' => (int) admin_setting('reset_traffic_method', 0),
                'surplus_enable' => (bool) admin_setting('surplus_enable', 1),
                'new_order_event_id' => (int) admin_setting('new_order_event_id', 0),
                'renew_order_event_id' => (int) admin_setting('renew_order_event_id', 0),
                'change_order_event_id' => (int) admin_setting('change_order_event_id', 0),
                'show_info_to_server_enable' => (bool) admin_setting('show_info_to_server_enable', 0),
                'show_protocol_to_server_enable' => (bool) admin_setting('show_protocol_to_server_enable', 0),
                'default_remind_expire' => (bool) admin_setting('default_remind_expire', 1),
                'default_remind_traffic' => (bool) admin_setting('default_remind_traffic', 1),
                'subscribe_path' => admin_setting('subscribe_path', 's'),

            ],
            'frontend' => [
                'frontend_theme' => admin_setting('frontend_theme', 'Xboard'),
                'frontend_theme_sidebar' => admin_setting('frontend_theme_sidebar', 'light'),
                'frontend_theme_header' => admin_setting('frontend_theme_header', 'dark'),
                'frontend_theme_color' => admin_setting('frontend_theme_color', 'default'),
                'frontend_background_url' => admin_setting('frontend_background_url'),
            ],
            'server' => [
                'server_token' => admin_setting('server_token'),
                'server_pull_interval' => admin_setting('server_pull_interval', 60),
                'server_push_interval' => admin_setting('server_push_interval', 60),
                'device_limit_mode' => (int) admin_setting('device_limit_mode', 0),
            ],
            'email' => [
                'email_template' => admin_setting('email_template', 'default'),
                'email_host' => admin_setting('email_host'),
                'email_port' => admin_setting('email_port'),
                'email_username' => admin_setting('email_username'),
                'email_password' => admin_setting('email_password'),
                'email_encryption' => admin_setting('email_encryption'),
                'email_from_address' => admin_setting('email_from_address'),
                'remind_mail_enable' => (bool) admin_setting('remind_mail_enable', false),
            ],
            'telegram' => [
                'telegram_bot_enable' => (bool) admin_setting('telegram_bot_enable', 0),
                'telegram_bot_token' => admin_setting('telegram_bot_token'),
                'telegram_discuss_link' => admin_setting('telegram_discuss_link')
            ],
            'app' => [
                'windows_version' => admin_setting('windows_version', ''),
                'windows_download_url' => admin_setting('windows_download_url', ''),
                'macos_version' => admin_setting('macos_version', ''),
                'macos_download_url' => admin_setting('macos_download_url', ''),
                'android_version' => admin_setting('android_version', ''),
                'android_download_url' => admin_setting('android_download_url', '')
            ],
            'safe' => [
                'email_verify' => (bool) admin_setting('email_verify', 0),
                'safe_mode_enable' => (bool) admin_setting('safe_mode_enable', 0),
                'secure_path' => admin_setting('secure_path', admin_setting('frontend_admin_path', hash('crc32b', config('app.key')))),
                'email_whitelist_enable' => (bool) admin_setting('email_whitelist_enable', 0),
                'email_whitelist_suffix' => admin_setting('email_whitelist_suffix', Dict::EMAIL_WHITELIST_SUFFIX_DEFAULT),
                'email_gmail_limit_enable' => (bool) admin_setting('email_gmail_limit_enable', 0),
                'recaptcha_enable' => (bool) admin_setting('recaptcha_enable', 0),
                'recaptcha_key' => admin_setting('recaptcha_key', ''),
                'recaptcha_site_key' => admin_setting('recaptcha_site_key', ''),
                'register_limit_by_ip_enable' => (bool) admin_setting('register_limit_by_ip_enable', 0),
                'register_limit_count' => admin_setting('register_limit_count', 3),
                'register_limit_expire' => admin_setting('register_limit_expire', 60),
                'password_limit_enable' => (bool) admin_setting('password_limit_enable', 1),
                'password_limit_count' => admin_setting('password_limit_count', 5),
                'password_limit_expire' => admin_setting('password_limit_expire', 60)
            ],
            'subscribe_template' => [
                'subscribe_template_singbox' => (function () {
                    $content = $this->getTemplateContent(
                        $this->getRuleFile(SingBox::CUSTOM_TEMPLATE_FILE, SingBox::DEFAULT_TEMPLATE_FILE));
                    return json_encode(json_decode($content), JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
                })(),
                'subscribe_template_clash' => (string) $this->getTemplateContent(
                    $this->getRuleFile(Clash::CUSTOM_TEMPLATE_FILE, Clash::DEFAULT_TEMPLATE_FILE)
                ),
                'subscribe_template_clashmeta' => (string) $this->getTemplateContent(
                    $this->getRuleFile(
                        ClashMeta::CUSTOM_TEMPLATE_FILE,
                        $this->getRuleFile(ClashMeta::CUSTOM_CLASH_TEMPLATE_FILE, ClashMeta::DEFAULT_TEMPLATE_FILE)
                    )
                ),
                'subscribe_template_stash' => (string) $this->getTemplateContent(
                    $this->getRuleFile(
                        Stash::CUSTOM_TEMPLATE_FILE,
                        $this->getRuleFile(Stash::CUSTOM_CLASH_TEMPLATE_FILE, Stash::DEFAULT_TEMPLATE_FILE)
                    )
                ),
                'subscribe_template_surge' => (string) $this->getTemplateContent(
                    $this->getRuleFile(Surge::CUSTOM_TEMPLATE_FILE, Surge::DEFAULT_TEMPLATE_FILE)
                ),
                'subscribe_template_surfboard' => (string) $this->getTemplateContent(
                    $this->getRuleFile(Surfboard::CUSTOM_TEMPLATE_FILE, Surfboard::DEFAULT_TEMPLATE_FILE)
                )
            ]
        ];
        if ($key && isset($data[$key])) {
            return $this->success([
                $key => $data[$key]
            ]);
        }
        ;
        // TODO: default should be in Dict
        return $this->success($data);
    }

    public function save(ConfigSave $request)
    {
        $data = $request->validated();

        // 处理特殊的模板设置字段，将其保存为文件
        $templateFields = [
            'subscribe_template_clash' => Clash::CUSTOM_TEMPLATE_FILE,
            'subscribe_template_clashmeta' => ClashMeta::CUSTOM_TEMPLATE_FILE,
            'subscribe_template_stash' => Stash::CUSTOM_TEMPLATE_FILE,
            'subscribe_template_surge' => Surge::CUSTOM_TEMPLATE_FILE,
            'subscribe_template_singbox' => SingBox::CUSTOM_TEMPLATE_FILE,
            'subscribe_template_surfboard' => Surfboard::CUSTOM_TEMPLATE_FILE,
        ];

        foreach ($templateFields as $field => $filename) {
            if (isset($data[$field])) {
                $content = $data[$field];
                // 对于JSON格式的内容，确保格式化正确
                if ($field === 'subscribe_template_singbox' && is_array($content)) {
                    $content = json_encode($content, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
                }
                $this->saveTemplateContent($filename, $content);
                unset($data[$field]); // 从数据库保存列表中移除
            }
        }

        foreach ($data as $k => $v) {
            if ($k == 'frontend_theme') {
                $themeService = app(ThemeService::class);
                $themeService->switch($v);
            }
            admin_setting([$k => $v]);
        }
        // \Artisan::call('horizon:terminate'); //重启队列使配置生效
        return $this->success(true);
    }

    /**
     * 保存规则模板内容到文件
     * 
     * @param string $filepath 文件名
     * @param string $content 文件内容
     * @return bool 是否保存成功
     */
    private function saveTemplateContent(string $filepath, string $content): bool
    {
        $path = base_path($filepath);
        try {
            File::put($path, $content);
            return true;
        } catch (\Exception $e) {
            Log::error('保存规则模板失败', [
                'filepath' => $path,
                'error' => $e->getMessage()
            ]);
            return false;
        }
    }
}