<?php

namespace addons\WechatVideoShop\api\modules\v1\controllers;

use addons\WechatVideoShop\common\enums\WechatVideoShopEnums;
use addons\WechatVideoShop\common\expand\sdk\weixin\src\crypto\Crypto;
use addons\WechatVideoShop\common\logic\WeChatCallbackLogic;
use addons\WechatVideoShop\common\models\WechatVideoShop;
use addons\WechatVideoShop\common\models\WechatVideoShopEvents;
use addons\WechatVideoShop\common\service\ShopService;
use common\enums\RabbitMqEnum;
use common\enums\StatusEnum;
use common\models\mall\Mall;
use yii\helpers\Json;
use yii\web\Controller;

class EventController extends Controller
{

    public $enableCsrfValidation = false;

    /**
     * Token校验
     * @return bool
     * @throws \Exception
     */
    public function actionIndex()
    {
        $data = $this->request->get();
        $valid = \Yii::$app->services->validate->validate($data, [
            [['signature', 'timestamp', 'nonce', 'echostr'], 'required'],
        ]);
        \Yii::error(__METHOD__ . '->params: ' . var_export($data, true));
        if ($valid === false) return false;

        $signature = $data["signature"];
        $timestamp = $data["timestamp"];
        $nonce = $data["nonce"];

        $mall_ids = Mall::getEnableMallIds();
        foreach ($mall_ids as $mall_id) {
            $config = \Yii::$app->services->setting->addons->get($mall_id, WechatVideoShopEnums::ADDONS_NAME, 'basic');
            if (empty($config['is_enable'])) continue;

            $shop_list = WechatVideoShop::lists(['where' => [['mall_id' => $mall_id], ['status' => [StatusEnum::ENABLED, StatusEnum::DISABLED]]]]);
            if (empty($shop_list)) continue;

            foreach ($shop_list as $val) {
                if(empty($val['wechat_token'])) continue;
                
                $token = $val['wechat_token'];
                $tmpArr = array($token, $timestamp, $nonce);
                sort($tmpArr, SORT_STRING);
                $tmpStr = implode($tmpArr);
                $tmpStr = sha1($tmpStr);
                if ($tmpStr == $signature) {
                    //  执行验证
                    \Yii::$app->services->rabbitMq->push(RabbitMqEnum::EXCHANGE_TASK, RabbitMqEnum::TASK_QUEUE,
                        ['mall_id' => $mall_id], ShopService::class, 'auth');
                    return $data['echostr'];
                }
            }
        }
        return false;
    }
    
    public function actionCallback()
    {
        try {
            //  校验token
            if (\Yii::$app->request->isGet && !empty(\Yii::$app->request->get('echostr'))) {
                return $this->actionIndex();
            }

            $params = $this->request->get();
            $encryptData = $this->request->post();
            \Yii::error(__METHOD__ . '->params: ' . var_export($params, true) . '->encryptData: ' . var_export($encryptData, true));

            $save_data['req'] = $params ?? [];
            $save_data['org_post'] = !empty($encryptData) ? var_export($encryptData, true) : '';

            //  解密？
            $mall_ids = Mall::getEnableMallIds();
            $decryptData = null;
            /** @var int|null $current_mall_id */
            $current_mall_id = null;
            /** @var int|null $current_shop_id */
            $current_shop_id = null;
            foreach ($mall_ids as $mall_id) {
                $config = \Yii::$app->services->setting->addons->get($mall_id, WechatVideoShopEnums::ADDONS_NAME, 'basic');
                if (empty($config['is_enable'])) continue;

                $shop_list = WechatVideoShop::lists(['where' => [['mall_id' => $mall_id], ['status' => [StatusEnum::ENABLED, StatusEnum::DISABLED]]]]);
                if (empty($shop_list)) continue;
                
                foreach ($shop_list as $val) {
                    if (empty($val['wechat_token']) || empty($val['wechat_secret']) || empty($val['wechat_aes_key'])) continue;
                    try {
                        $crypto = new Crypto($val['wechat_token'], $val['wechat_aes_key']);
                        $ret = $crypto->de($encryptData['Encrypt'], $params['msg_signature'], $params['nonce'], $params['timestamp']);
                        if ($ret[0] != StatusEnum::DISABLED) throw new \Exception("解密失败");
                        if ($ret[1]['wechat_appid'] != $val['wechat_appid']) throw new \Exception("不属于同一个应用");   //  不属于同一个应用
                        $current_mall_id = $mall_id;
                        $current_shop_id = $val['id'];
                        $decryptData = $ret[1];
                        break;
                    } catch (\Exception $e) {
                        //  有可能是解密失败的 这里不需要管
                    }
                }
            }

            //  解密成功 - 不一定要解密
            if (!empty($decryptData)) {
                $decryptData['local_shop_id'] = $current_shop_id;
                $save_data['post'] = $decryptData;
                $save_data['mall_id'] = $current_mall_id;
                $callback = new WeChatCallbackLogic($current_mall_id, $current_shop_id, 0, $decryptData);
                $method = $decryptData['Event'] ?? 'call';
                if (method_exists($callback, $method)) {
                    $callback->{$method}([]);
                } else {
                    $callback->call([]);
//                    $method = 'call';
                }

                //  投递
//                \Yii::$app->services->rabbitMq->delay(600, ['mall_id' => $current_mall_id, 'shop_id' => $current_shop_id, 'data' => $decryptData],
//                    WeChatCallbackLogic::class, $method);

            } else {
                $save_data['exception'] = [
                    'msg'   => '解密失败'
                ];
            }
        } catch (\Exception $e) {
            $save_data['exception'] = [
                'file'  => $e->getFile(),
                'code'  => $e->getCode(),
                'line'  => $e->getLine(),
                'msg'   => $e->getMessage(),
            ];
        }

        if (empty($save_data['post'])) $save_data['post'] = [];
        if (empty($save_data['exception'])) $save_data['exception'] = [];

        //  记录事件
        $eventModel = new WechatVideoShopEvents();
        if ($eventModel->load($save_data, '')) {
            if ($eventModel->save() && !empty($eventModel->getErrorMessage())) {
                \Yii::error(__METHOD__ . " event model error: {$eventModel->getErrorMessage()}");
            }
        } else {
            \Yii::error(__METHOD__ . " event model error: {$eventModel->getErrorMessage()}");
        }

        return empty($eventModel['exception']) ? 'success' : 'fail';
    }
}