<?php
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// | Author: LikeShopTeam
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namespace app\shopapi\logic;

use app\common\enum\AccountLogEnum;
use app\common\enum\PayEnum;
use app\common\logic\AccountLogLogic;
use app\common\logic\BaseLogic;
use app\common\model\Config;
use app\common\model\GiftCardInfo;
use app\common\model\RechargeOrder;
use app\common\model\RechargeTemplate;
use app\common\model\User;
use app\common\service\ConfigService;
use think\facade\Db;
use think\response\Json;

/**
 * 充值逻辑层
 * Class RechargeLogic
 * @package app\shopapi\logic
 */
class RechargeLogic extends BaseLogic
{
    public static function recharge($params)
    {
        try {
            // 校验数据
            self::validateData($params);
            if(isset($params['template_id'])) {
                // 选择模板充值
                return self::rechargeByTemplate($params);
            }else{
                // 输入金额充值
                return self::rechargeByMoney($params);
            }
        } catch(\Exception $e) {
            self::setError($e->getMessage());
            return false;
        }
    }

    /**
     * @notes 校验数据
     * @param $params
     * @throws \think\Exception
     * @author Tab
     * @date 2021/8/11 10:52
     */
    public static function validateData($params)
    {
        $open = ConfigService::get('recharge', 'open');
        if(!$open) {
            throw new \think\Exception('充值功能已关闭');
        }
        if(!isset($params['pay_way'])) {
            throw new \think\Exception('请选择支付方式');
        }
        if(!isset($params['template_id']) && !isset($params['money'])) {
            throw new \think\Exception('请输入充值金额');
        }
    }

    /**
     * @notes 输入金额充值
     * @param $params
     * @author Tab
     * @date 2021/8/11 11:27
     */
    public static function rechargeByMoney($params)
    {
        $params['template_id'] = 0;
        $params['award'] = [];
        
        // 输入金额 同样触发模板
        $templates      = RechargeTemplate::field([ 'money', 'id', 'award' ])->select()->toArray();
        
        foreach ($templates as $key => $template) {
            $templates[$key]['money_int'] = (int) $template['money'] * 100;
        }
    
        array_multisort(array_column($templates, 'money_int'), SORT_ASC, SORT_NUMERIC, $templates);
        
        foreach ($templates as $key => $template) {
            // 满足金额
            if ($params['money'] >= $template['money']) {
                if (isset($templates[$key+1])) {
                    if ($params['money'] < $templates[$key+1]['money']) {
                        $params['template_id']  = $template['id'];
                        $params['award']        = $template['award'];
                    }
                } else {
                    $params['template_id']  = $template['id'];
                    $params['award']        = $template['award'];
                }
            }
        }
        
        return self::addRechargeOrder($params);
    }

    /**
     * @notes 选择模板充值
     * @param $params
     * @throws \think\Exception
     * @author Tab
     * @date 2021/8/11 11:25
     */
    public static function rechargeByTemplate($params)
    {
        $template = RechargeTemplate::findOrEmpty($params['template_id']);
        if($template->isEmpty()) {
            throw new \think\Exception('充值模板不存在');
        }
        $params['money'] = $template->money;
        $params['template_id'] = $template->id;
        $params['award'] = $template->award;
        return self::addRechargeOrder($params);
    }

    /**
     * @notes 添加充值订单
     * @param $params
     * @author Tab
     * @date 2021/8/11 11:23
     */
    public static function addRechargeOrder($params)
    {
        $minAmount = ConfigService::get('recharge', 'min_amount');
        if ($params['money'] < 0) {
            throw new \think\Exception("充值金额必须大于0");
        }
        if($minAmount > 0 && $params['money'] < $minAmount) {
            throw new \think\Exception('最低充值金额:' . $minAmount . "元");
        }
        $award = empty($params['award']) ? '' : json_encode($params['award'], JSON_UNESCAPED_UNICODE);
        $data = [
            'sn'      => generate_sn((new RechargeOrder()),'sn'),
            'terminal'      => $params['terminal'],
            'user_id'       => $params['user_id'],
            'pay_status'    => PayEnum::UNPAID,
            'pay_way'       => $params['pay_way'],
            'order_amount'  => $params['money'],
            'template_id'   => $params['template_id'],
            'award'         => $award
        ];

        $order = RechargeOrder::create($data);
        return [
            'order_id' => $order->id,
            'from' => 'recharge'
        ];
    }

    public static function exchange($params)
    {
        Db::startTrans();
        try {
            $gift_card_info = GiftCardInfo::where(['card_pass' => $params['pass']])->findOrEmpty();
            if ($gift_card_info->isEmpty()) {
                throw new \think\Exception('卡密有误或已经停用，请检查！');
            }

            $data = [
                'sn' => generate_sn((new RechargeOrder()), 'sn'),
                'terminal' => 0,
                'user_id' => $params['user_id'],
                'pay_status' => PayEnum::ISPAID,
                'pay_time' => time(),
                'pay_way' => 7,
                'order_amount' => $gift_card_info['card_money'],
                'template_id' => 0,
                'award' => 0
            ];

            $order = RechargeOrder::create($data);
            if(!$order){
                Db::rollback();
                throw new \think\Exception('充值订单表插入失败！');
            }
            $user_info = User::find($params['user_id']);
            $user_info->user_money = $user_info->user_money + $gift_card_info['card_money'];
            $user_info->save();

            $gift_card_info->is_used = 1;
            $gift_card_info->user_id = $params['user_id'];
            $gift_card_info->used_time = time();
            $gift_card_info->save();


            // 记录账户流水
            AccountLogLogic::add($params['user_id'], AccountLogEnum::EXCHANGE_INC_RECHARGE, AccountLogEnum::INC, $gift_card_info['card_money'], $order->sn, '用户礼品卡兑换金额');

            // 提交事务
            Db::commit();
            return true;
        } catch (\Exception $e) {
            // 回滚事务
            Db::rollback();
            return $e->getMessage();
        }

    }
}