<?php
// +----------------------------------------------------------------------
// | Niucloud-admin 企业快速开发的多应用管理平台
// +----------------------------------------------------------------------
// | 官方网址：https://www.niucloud.com
// +----------------------------------------------------------------------
// | niucloud团队 版权所有 开源版本可自由商用
// +----------------------------------------------------------------------
// | Author: Niucloud Team
// +----------------------------------------------------------------------

namespace addon\hygl\app\api\controller;

use addon\hygl\app\model\advertising\Advertising;
use addon\hygl\app\model\config\Config;
use addon\hygl\app\model\coupons\Coupons;
use addon\hygl\app\model\transaction_history\TransactionHistory;
use addon\hygl\app\model\user\User;
use addon\hygl\app\model\user_coupons\UserCoupons;
use app\model\site\Site;
use core\base\BaseApiController;
use think\facade\Db;
use think\Response;

class Home extends BaseApiController
{
    /**
     * Hello World
     * @return Response
     */
    public function index()
    {
        return success('SUCCESS', 'Hello World');
    }

    //获取站点信息
    public function getSiteInfo()
    {
        $site_id = $this->request->param('site_id', '');
        $site_name = Site::where('site_id', $site_id)->value('site_name');//获取站点信息
        //获取微信公众号id
        $we_chat_pay_app_id = Config::where('site_id', $site_id)->value('we_chat_pay_app_id');
        $res = [
            'site_id' => $site_id,
            'site_name' => $site_name,
            'we_chat_pay_app_id' => $we_chat_pay_app_id,
        ];
        return success($res);
    }

    //获取用户信息
    public function getUser()
    {
        $site_id = $this->request->param('site_id', '');
        $role = $this->request->param('role', '');//身份//wx=微信 zfb=支付宝
        $openid = $this->request->param('openid', '');


        if (!$site_id || !in_array($role, ['wx', 'zfb']) || !$openid) {
            return fail('确少参数');
        }

        $user = User::where('site_id', $site_id);

        if ($role == 'wx') {
            $user = $user->where('wx_openid', $openid);
        } else {
            $user = $user->where('zfb_openid', $openid);
        }
        $user = $user->find();

        //创建用户
        if (!$user) {
            if ($role == 'wx') {
                $wx_openid = $openid;
                $name = "微信用户{$openid}";
            } else {
                $zfb_openid = $openid;
                $name = "微信用户{$openid}";
            }
            $data = [
                'name' => $name,
                'site_id' => $site_id,
                'wx_openid' => $wx_openid ?? null,
                'zfb_openid' => $zfb_openid ?? null,
                'is_show' => 1,
                'pid' => 0,
                'level' => 1,
            ];
            $user_data = User::create($data);
            $res = [
                'user_id' => $user_data['id']
            ];
        } else {
            $res = [
                'user_id' => $user['id']
            ];
        }

        return success($res);
    }

    //获取用户拥有的优惠券
    public function getUserCoupons()
    {
        $user_id = $this->request->param('user_id', '');
        $site_id = $this->request->param('site_id', '');
        $original_price = $this->request->param('original_price', '');//订单总金额
        if (!$user_id || !$site_id) {
            return fail('确少参数');
        }

        $time = time();

        $data = UserCoupons::where('site_id', $site_id)
            ->where('user_id', $user_id)
            ->where('is_show', 1)//是否可用1=是,0=否
            ->with([
                'coupons' => function ($q) use ($original_price) {
                    $q->where('is_obsolete', 0);
                }
            ])
            ->select()->toArray();

        $userCoupons = [];
        foreach($data as $v){
            if (!empty($v['coupons'])){
                if ($v['coupons']['is_long_term_valid'] == 1){
                    //长期有效
                    $userCoupons[] = [
                        'id'=>$v['id'],
                        'name'=>"{$v['coupons']['name']}(长期有效)",
                        'nominal_value'=>$v['coupons']['nominal_value'] ?? 0,
                        'coupons'=>$v['coupons'] ?? [],
                    ];
                }elseif($v['coupons']['valid_from'] <= $time && $v['coupons']['valid_until'] >= $time){
                    //在有效期之内
                    $data_1 = date('Y-m-d',$v['coupons']['valid_from']);
                    $data_2 = date('Y-m-d',$v['coupons']['valid_until']);
                    $userCoupons[] = [
                        'id'=>$v['id'],
                        'name'=>"{$v['coupons']['name']}({$data_1}~{$data_2})",
                        'nominal_value'=>$v['coupons']['nominal_value'] ?? 0,
                        'coupons'=>$v['coupons'] ?? [],
                    ];
                }
            }
        }
        if ($userCoupons){
            // 定义自定义排序函数
            // 使用匿名函数作为回调函数进行排序
            usort($userCoupons, function($a, $b) {
                return $b['coupons']['nominal_value'] - $a['coupons']['nominal_value'];
            });
        }

        return success($userCoupons);
    }

    //获取可领取的优惠券
    public function getReceiveCouponsList()
    {
        $site_id = $this->request->param('site_id', '');

        $data = Coupons::where('site_id', $site_id)
            ->where('stock', '>', 0)
            ->where('is_show', 1)
            ->select();

        $res = $data->toArray();

        return success($res);
    }

    //创建订单
    public function addOrder()
    {
        $site_id = $this->request->param('site_id', '');
        $user_id = $this->request->param('user_id', '');
        $pay_type = $this->request->param('pay_type', '');
        $original_price = $this->request->param('original_price', '');//订单总价格
        $user_coupons_id = $this->request->param('user_coupons_id', '');//用户优惠券中间表id
        $original_price = bcmul($original_price,1,2);

        if (!$site_id || !$user_id || !in_array($pay_type, [1, 2, 3, 4, 5, 6, 7, 8]) || !$original_price) {
            return fail('缺少参数');
        }

        $order_num = time() . rand(1111, 9999);

        $price = $original_price;
        //计算优惠劵
        if ($user_coupons_id) {
            $user_coupons = UserCoupons::where('id', $user_coupons_id)
                    ->where('is_show',1)
                    ->with(['coupons'])
                    ->find();
            if (empty($user_coupons['coupons']) || $user_coupons['coupons']['is_obsolete'] != 0){
                return fail('优惠券信息不存在');
            }
            if ($user_coupons['coupons']['is_long_term_valid'] != 1){
                //不是长期有效
                $time = time();
                if ($user_coupons['coupons']['valid_from'] > $time || $user_coupons['coupons']['valid_until'] < $time){
                    return fail('优惠券已过期');
                }
            }

            //判断优惠券面值是否大于支付面值
            if ($user_coupons['coupons']['nominal_value'] >= $original_price){
                return fail("优惠券面值需要小于{$original_price}");
            }

            $price = $original_price - $user_coupons['coupons']['nominal_value'];
            if ($price <= 0) {
                return fail("满减后或支付金额不能为0元");
            }
        }

        $create_data = [
            'site_id' => $site_id,//
            'user_id' => $user_id,//
            'order_num' => $order_num,//
            'pay_type' => $pay_type,//
            'original_price' => $original_price,//订单原价(元)|优惠前的金额
            'price' => $price,//订单应付金额(元)|(优惠后的金额)精确到`分`
            'user_coupons_id' => $user_coupons['id'],//用户优惠券中间表id
        ];
        Db::startTrans();
        try {
            $res = TransactionHistory::create($create_data);
            Db::commit();
        } catch (\Exception $exception) {
            Db::rollback();
            return fail('系统繁忙');
        }

        if ($res) {
            return success($res->toArray());
        } else {
            return fail('系统繁忙');
        }
    }

    //获取广告列表
    public function getAdvertising()
    {
        $site_id = $this->request->param('site_id', '');//站点id
        if (!$site_id) {
            return fail('缺少参数');
        }
        $field = 'id,img_url,skip_url,sort,site_id';
        $res = Advertising::order('sort', 'desc')
            ->field($field)
            ->where('site_id', $site_id)
            ->select()
            ->toArray();

        if ($res) {
            foreach ($res as &$v) {
                if ($v['img_url']) {
                    $v['img_url'] = get_file_url($v['img_url']);
                }
            }
        }

        return success($res);
    }


}