<?php

namespace App\Console\Commands;

use App\Components\Helpers;
use App\Http\Models\GoodsLabel;
use App\Http\Models\Order;
use App\Http\Models\User;
use App\Http\Models\UserLabel;
use DB;
use Exception;
use Illuminate\Console\Command;
use Log;

class AutoDecGoodsTraffic extends Command
{
	protected $signature = 'autoDecGoodsTraffic';
	protected $description = '自动扣减用户到期商品的流量';
	protected static $systemConfig;

	public function __construct()
	{
		parent::__construct();
		self::$systemConfig = Helpers::systemConfig();
	}

	public function handle()
	{
		$jobStartTime = microtime(TRUE);

		// 扣减用户到期商品的流量
		$this->decGoodsTraffic();

		$jobEndTime = microtime(TRUE);
		$jobUsedTime = round(($jobEndTime-$jobStartTime), 4);

		Log::info('执行定时任务【'.$this->description.'】，耗时'.$jobUsedTime.'秒');
	}

	// 扣减用户到期商品的流量
	private function decGoodsTraffic()
	{
		$orderList = Order::query()->with(['user', 'goods'])->where('status', 2)->where('is_expire', 0)->where('expire_at', '<', date('Y-m-d H:i:s'))->get();
		if(!$orderList->isEmpty()){
			// 用户默认标签
			$defaultLabels = [];
			if(self::$systemConfig['initial_labels_for_user']){
				$defaultLabels = explode(',', self::$systemConfig['initial_labels_for_user']);
			}

			DB::beginTransaction();
			try{
				foreach($orderList as $order){
					// 先过期本订单
					Order::query()->where('oid', $order->oid)->update(['is_expire' => 1]);

					// 再检查该订单对应用户是否还有套餐（非流量包）存在
					$haveOrder = Order::query()
						->with(['user', 'goods'])
						->where('is_expire', 0)
						->where('user_id', $order->user_id)
						->whereHas('goods', function($q){
							$q->where('type', 2);
						})
						->orderBy('oid', 'desc')
						->first();
					if(!$haveOrder){
						// 如果不存在有效套餐（非流量包），则清空用户重置日
						User::query()->where('id', $order->user_id)->update(['traffic_reset_day' => 0]);
					}

					if(empty($order->user) || empty($order->goods)){
						continue;
					}

					if($order->user->transfer_enable-$order->goods->traffic*1048576 <= 0){
						// 写入用户流量变动记录
						Helpers::addUserTrafficModifyLog($order->user_id, $order->oid, $order->user->transfer_enable, 0, '[定时任务]用户所购商品到期，扣减商品对应的流量(扣完并重置)');

						User::query()->where('id', $order->user_id)->update(['u' => 0, 'd' => 0, 'transfer_enable' => 0]);
					}else{
						// 写入用户流量变动记录
						Helpers::addUserTrafficModifyLog($order->user_id, $order->oid, $order->user->transfer_enable, ($order->user->transfer_enable-$order->goods->traffic*1048576), '[定时任务]用户所购商品到期，扣减商品对应的流量(没扣完)');

						User::query()->where('id', $order->user_id)->decrement('transfer_enable', $order->goods->traffic*1048576);

						// 处理已用流量
						if($order->user->u+$order->user->d-$order->goods->traffic*1048576 <= 0){
							User::query()->where('id', $order->user_id)->update(['u' => 0, 'd' => 0]);
						}else{
							// 一般来说d的值远远大于u
							if($order->user->d-$order->goods->traffic*1048576 >= 0){
								User::query()->where('id', $order->user_id)->decrement('d', $order->goods->traffic*1048576);
							}else{ // 如果d不够减，则减u，然后d置0
								User::query()->where('id', $order->user_id)->decrement('u', $order->goods->traffic*1048576-$order->user->d);
								User::query()->where('id', $order->user_id)->update(['d' => 0]);
							}
						}
					}

					// 删除该商品对应用户的所有标签
					UserLabel::query()->where('user_id', $order->user->id)->delete();

					// 取出用户的其他商品带有的标签
					$goodsIds = Order::query()->where('user_id', $order->user->id)->where('oid', '<>', $order->oid)->where('status', 2)->where('is_expire', 0)->groupBy('goods_id')->pluck('goods_id')->toArray();
					$goodsLabels = GoodsLabel::query()->whereIn('goods_id', $goodsIds)->groupBy('label_id')->pluck('label_id')->toArray();

					// 生成标签
					$labels = array_values(array_unique(array_merge($goodsLabels, $defaultLabels))); // 标签去重
					foreach($labels as $vo){
						$userLabel = new UserLabel();
						$userLabel->user_id = $order->user->id;
						$userLabel->label_id = $vo;
						$userLabel->save();
					}
				}

				DB::commit();
			} catch(Exception $e){
				Log::error($this->description.'：'.$e);

				DB::rollBack();
			}
		}
	}
}