<?php

namespace App\Http\Controllers;

use App\Common\OrderStatus;
use App\Common\PayType;
use App\Models\AdminSetting;
use App\Models\IndustryOrder;
use App\Models\IndustryPayLog;
use App\Models\IndustryProduct;
use EasyWeChat\Factory;
use EasyWeChat\Kernel\Exceptions\Exception;
use EasyWeChat\Payment\Kernel\Exceptions\InvalidSignException;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;

/**
 * 行业产品微信支付回调
 * Class IndustryProductWxpay
 * @package App\Http\Controllers
 */
class IndustryProductWxpay
{
	public function notify()
	{
		$setting = AdminSetting::val(['payee_appid', 'payee_mchid', 'payee_mchkey']);
		if (!isset($setting['payee_appid'], $setting['payee_mchid'], $setting['payee_mchkey'])) {
			return '获取系统配置失败';
		}

		$config = [
			'app_id' => $setting['payee_appid'],
			'mch_id' => $setting['payee_mchid'],
			'key' => $setting['payee_mchkey'],
		];

		$app = Factory::payment($config);
		try {
			$response = $app->handlePaidNotify(function ($message, $fail) {
				//仅测试用，回调记录
				DB::table('pay_debugs')->insert(['agent_id' => 0, 'type' => 1, 'content' => json_encode($message)]);

				// 请求成功
				if ($message['return_code'] === 'SUCCESS') {
					//主要是为了区分定金支付和尾款支付，订单号带有-status后缀，分割后前面才是真正的订单号
					$order_no = explode('-', $message['out_trade_no'])[0];
					$order = IndustryOrder::query()
						->where(['order_no' => $order_no])
						->first();

					//已经处理过的订单直接返回true
					if ($order && in_array($order->status, [OrderStatus::PAID, OrderStatus::PAID_RETAINAGE, OrderStatus::SUCCESS])) {
						return true;
					}

					//判断该微信支付订单号有没有处理过
					$exist_log = IndustryPayLog::where([
						'agent_id' => $order->agent_id,
						'supplier_id' => $order->supplier_id,
						'industry_order_id' => $order->id,
						'type' => 1,
						'transaction_id' => $message['transaction_id'],
					])->first();
					if ($exist_log) {
						return true;
					}

					// 支付成功
					if ($message['result_code'] === 'SUCCESS') {
						DB::beginTransaction();
						try {
							//增加销量，库存在拍下时已经减了
							IndustryProduct::query()
								->where('id', $order->industry_product_id)
								->increment('sale', $order->num);

							$old_status = $order->status;
							$pay_type = $order->pay_type;
							$money = $message['total_fee'] / 100;
							//定金支付和首付款支付
							if (in_array($pay_type, [PayType::DEPOSIT_PAY, PayType::EARNEST_PAY, PayType::DOWN_PAYMENT])) {
								if ($old_status == OrderStatus::UNPAID) {
									$order->status = OrderStatus::PAY_EARNEST;
								} else if ($old_status == OrderStatus::PAY_EARNEST) {
									$order->status = OrderStatus::PAID_RETAINAGE;
									$order->verify_code = uniqid(); //生成核销码
								}
							} else if ($pay_type == PayType::ONLINE) {
								$order->status = OrderStatus::PAID;
								$order->verify_code = uniqid(); //生成核销码
							}

							$order->paid_at = now();
							$order->paid_money = DB::raw('`paid_money` + ' . $money);
							$order->timeout = null;
							$order->save();

							//资金流水
							IndustryPayLog::create([
								'agent_id' => $order->agent_id,
								'supplier_id' => $order->supplier_id,
								'money' => $money,
								'industry_order_id' => $order->id,
								'type' => 1,
								'desc' => DB::raw("LEFT('购买产品：{$order->title}', 250)"),
								'transaction_id' => $message['transaction_id'], //微信支付订单号
								'created_at' => now(), //模型没有updated_at，无法自动写入时间
								'out_trade_no' => $message['out_trade_no'] ?? '',
							]);

							DB::commit();
							return true;
						} catch (Exception $e) {
							DB::rollBack();
							$fail('Unknown error');
						}
					} // 支付失败
					else if ($message['result_code'] === 'FAIL') {
						return true;
					}
				}

				// 希望微信重试
				$fail('Unknown error 2');
			});
		} catch (InvalidSignException | Exception $e) {
			LOG::debug('行业产品支付', [$e->getFile(), $e->getLine(), $e->getMessage()]);
			return 'error';
		}

		return $response;
	}
}