<?php

namespace addons\Area\common\service;

use addons\Area\common\models\AreaCommunity;
use addons\Area\common\models\AreaOrder;
use addons\Area\common\enums\AreaEnum;
use common\enums\StatusEnum;
use common\models\order\Order;
use Exception;

class OrderService
{
    public function preview($params)
    {
        try {
            $configs = \Yii::$app->services->setting->addons->get($params['mall_id'], AreaEnum::ADDONS_NAME, 'basic');
            if ($configs['is_buy_area'] != 1) throw new Exception('未开启区代申请条件按钮');
            if ($params['level'] != 3) throw new Exception('非申请区代身份无需下单');
            //检查是否存在已购买订单
            $order = AreaOrder::getOne([
                ['mall_id' => $params['mall_id']],
                ['user_id' => $params['user_id']],
                ['level' => $params['level']],
                ['area_id' => $params['district_id']],
                ['is_pay' => StatusEnum::ENABLED],
                ['status' => StatusEnum::ENABLED],
            ], true);
            if (!empty($order)) return ['is_pay' => 1, 'order_id' => $order['id']];
            //获取最近购买该区代身份的订单
            $near_order = AreaOrder::getOne([
                ['mall_id' => $params['mall_id']],
                ['level' => $params['level']],
                ['area_id' => $params['district_id']],
                ['is_pay' => StatusEnum::ENABLED],
                ['status' => StatusEnum::ENABLED],
            ], true);
            //处理底价
            $price = $configs['area_buy_price'];
            if (!empty($near_order)) {
                $price = bcmul($near_order['price'] + ($near_order['price'] * $configs['add_price_pre']/100), 1, 2);
            }
            return ['total_pay_money' => $price];

        } catch (\Exception $e) {
            throw new Exception($e->getMessage());
        }
    }

    public function created($params)
    {
        try {
            $configs = \Yii::$app->services->setting->addons->get($params['mall_id'], AreaEnum::ADDONS_NAME, 'basic');
            if ($configs['is_buy_area'] != 1) throw new Exception('未开启区代申请条件按钮');
            if ($params['level'] != 3) throw new Exception('非申请区代身份无需下单');
            //检查是否存在已购买订单
            $order = AreaOrder::getOne([
                ['mall_id' => $params['mall_id']],
                ['user_id' => $params['user_id']],
                ['level' => $params['level']],
                ['area_id' => $params['district_id']],
                ['is_pay' => StatusEnum::ENABLED],
                ['status' => StatusEnum::ENABLED],
            ], true);
            if (!empty($order)) return ['is_pay' => 1, 'order_id' => $order['id']];
            //获取最近购买该区代身份的订单
            $near_order = AreaOrder::getOne([
                ['mall_id' => $params['mall_id']],
                ['level' => $params['level']],
                ['area_id' => $params['district_id']],
                ['is_pay' => StatusEnum::ENABLED],
                ['status' => StatusEnum::ENABLED],
            ], true);
            //处理底价
            $price = $configs['area_buy_price'];
            if (!empty($near_order)) {
                $price = bcmul($near_order['price'] + ($near_order['price'] * $configs['add_price_pre']/100), 1, 2);
            }
            $order_data = [
                'mall_id' => $params['mall_id'],
                'user_id' => $params['user_id'],
                'level' => $params['level'],
                'area_id' => $params['district_id'],
                'price' => $price,
                'order_no' => self::generateOrderNo('sa'),
            ];
            $order = AreaOrder::setData($order_data);
            if (!$order) throw new Exception(AreaOrder::$static_error);

            $order_trade_info[] = [
                'order_id' => $order->id,
                'order_type' => 'Area',
                'order_no' => $order->order_no,
                'amount' => $order->price,
                'title' => '购买区代申请资格',
                'notify_class' => 'addons\Area\common\logic\notify\Notify',
            ];
            $res = \Yii::$app->services->pay->createTrade($params['mall_id'],$params['user_id'], $order_trade_info);
            $res['order_id'] = $order->id;
            $arr['transaction'] = $res;
            $payment_expire_time = \Yii::$app->services->setting->mall->get($params['mall_id'], 'order.payment_expire_time');
	        $arr['surplus_second'] = 30*60;//剩余秒数
	        if($payment_expire_time){
		        $arr['surplus_second'] = intval($payment_expire_time) * 60;//剩余秒数
	        }
            return $arr;
        } catch (\Exception $e) {
            throw new Exception($e->getMessage());
        }
    }

    public static function generateOrderNo($prefix = ''){
        // 优化唯一性保证：使用random_int()代替rand()，并结合微调以生成更唯一的ID
        $randInt = random_int(100000, 999999);
        // 日期时间戳处理
        $dateTimeStr = date('YmdHis');

        // 保证前缀不为空字符串且不超过一定长度（例如20个字符）
        $prefix = trim($prefix, '0');
        if (strlen($prefix) > 20) {
            $prefix = substr($prefix, 0, 20);
        }

        // 生成订单号，保证总长度为17（前缀+日期时间戳+随机数）
        $orderNo = $prefix . $dateTimeStr . str_pad($randInt, 6, '0', STR_PAD_LEFT);

        return $orderNo;
    }
}