<?php
namespace common\models\forms;

use common\helpers\Cache;
use common\helpers\Date;
use common\components\Model;
use common\helpers\Form;
use common\helpers\LoggerTool;
use common\helpers\user\Info;
use common\libs\logging\operate\AdminOperate;
use common\models\ApproachOrder;
use common\models\ApproachOrderGoods;
use common\models\Order;
use common\models\OrderGoods;
use common\models\Period;
use common\models\ReceiveAddress;
use common\models\Region;
use common\models\ShopGoods;
use yii\base\Exception;

/**
 * Login form
 */
class ApproachOrderForm extends Model
{
    public $sn;
    public $status;
    public $remark;
    public $note;

    public $type;
    public $addressId;
    public $payType;
    public $goodsId;
    public $goodsNum;
    public $zipCode;

    public $userName;
    public $consignee;
    public $province;
    public $city;
    public $county;

    public $consigneeIdNo;
    public $consigneeRealName;

    private $_address;
    private $_decAmount;
    private $_decPv;
    private $_freight;
    private $_payAmount;
    private $_orderGoods;
    private $_remainPv;
    private $_realPv;

    /**
     * @var ApproachOrder
     */
    private $_model;

    public function init() {
        parent::init();
        $this->adminOperateLogger = new AdminOperate([
            'fetchClass' => ApproachOrder::class,
        ]);
    }

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['sn', 'expressCompany', 'orderTrackNo', 'status', 'remark','type','addressId','payType','goodsId','goodsNum', 'payPassword','userName','consignee','acceptMobile','province','city','county','cityName','detailaddress', 'consigneeIdNo', 'consigneeRealName'], 'trim'],
            [['sn', 'expressCompany', 'orderTrackNo', 'status', 'remark','type','addressId','payType','goodsId','goodsNum', 'payPassword','userName','consignee','acceptMobile','province','city','county','detailaddress', 'consigneeIdNo', 'consigneeRealName'], 'required'],
            [['status'], 'isStatus'],
            [['addressId'], 'isAddress'],
            [['payType'], 'isPayType'],
        ];
    }

    public function attributeLabels()
    {
        return [
            'sn' => '订单号',
            'expressCompany' => '快递公司',
            'orderTrackNo' => '快递单号',
            'status' => '状态',
            'remark' => '备注',
            'type' => '订单类型',
            'addressId' => '收货地址',
            'payType' => '支付方式',
            'goodsId' => '商品ID',
            'goodsNum' => '商品数量',
            'userName' => '复消会员编号',
            'consignee' => '收货人',
            'acceptMobile' => '收货电话',
            'province' => '省',
            'city' => '市',
            'county' => '区',
            'detailaddress' => '收货详细地址',
        ];
    }

    /**
     * 指定校验场景
     * @return array
     */
    public function scenarios()
    {
        $parentScenarios =  parent::scenarios();
        $customScenarios = [
            // 管理员修改订单状态
            'adminStatus' => ['sn', 'status'],
            // 校验订单支付
            'verifyPay' => ['sn', 'status', 'note'],
            // 会员下单
            'userOrder' => ['type','addressId', 'payType','goodsId','goodsNum', 'note', 'consigneeIdNo', 'consigneeRealName'],
        ];
        return array_merge($parentScenarios, $customScenarios);
    }

    /**
     * 校验之前
     * @return bool
     */
    public function beforeValidate()
    {
        $parentValidate = parent::beforeValidate();
        if ($this->sn) {
            $this->_model = ApproachOrder::findOne(['SN' => $this->sn]);
            if (!$this->_model) {
                $this->addError('sn', '订单不存在');
                return false;
            }
        }
        return $parentValidate;
    }

    /**
     * 判断收货地址是否存在
     * @param $attribute
     */
    public function isAddress($attribute){
        if (!$receiveAddress = ReceiveAddress::find()->where('ID=:ID', [':ID' => $this->addressId])->asArray()->one()) {
            $this->addError($attribute, '收货地址不存在');
        } else {
            $this->_address = $receiveAddress;
            // 邮编根据最后一级的行政地区获得, 如果没有则向上一级搜索
            $this->zipCode = Region::getZipCode($receiveAddress['COUNTY']);
            if (!$this->zipCode) {
                $this->zipCode = Region::getZipCode($receiveAddress['CITY']);
                if (!$this->zipCode) {
                    $this->addError($attribute, '收货地址邮编异常,请联系客服人员');
                }
            }
        }
    }

    /**
     * 判断支付方式
     * @param $attribute
     * @throws Exception
     */
    public function isPayType($attribute)
    {
        if ($this->payType && !in_array($this->payType, array_values(ShopGoods::BANK_CODE))) {
            $this->addError('支付方式错误');
            return;
        }
        // 一个订单只能包含一类商品
        $goods = ShopGoods::find()->select('ID,CATE_ID')->where(['in', 'ID', $this->goodsId])->andWhere(['STATUS' => 1])->asArray()->all();
        if (!$goods) {
            throw new Exception('商品已下架');
        }
        $goodsCategoryType = array_unique(array_column($goods, 'CATE_ID'));
        if (count($goodsCategoryType) > 1) {
            $this->addError($attribute, '订单不能包含多种商品分类');
            return;
        }
    }

    /**
     * 校验类型
     * @param $attribute
     * @throws Exception
     */
    public function isStatus($attribute){
        if ($this->status && ($this->status != \Yii::$app->params['orderStatus']['notPaid']['value']) && ($this->status != \Yii::$app->params['orderStatus']['paid']['value'])) {
            $this->addError($attribute, '订单状态类型错误');
            throw new Exception('商品已下架');
        }
    }

    /**
     * 校验iPay88支付,更新订单状态.同步到正式订单.
     */
    public function verifyPayOnline(): ?ApproachOrder
    {
        if (!$this->validate()) {
            return null;
        }

        LoggerTool::info([$this->sn, $this->note]);

        // TODO: 支付校验


        $db = \Yii::$app->db;
        $transaction = $db->beginTransaction();
        try {
            // 更新准订单状态为已支付
            $this->_model->STATUS = $this->status;
            $this->_model->NOTE = json_encode($this->note);
            $this->_model->PAY_AT = time();
            if (!$this->_model->save()) {
                throw new Exception(Form::formatErrorsForApi($this->_model->getErrors()));
            }

            // 同步准订单到正式订单
            Order::insertOne($this->_model->toArray());
            // 同步准订单商品到正式订单商品
            $approachOrderGoods = ApproachOrderGoods::findAllAsArray('ORDER_SN = :ORDER_SN', [':ORDER_SN' => $this->sn]);
            OrderGoods::batchInsert($approachOrderGoods);

            // 删除中间表
            ApproachOrder::deleteAll('SN=:SN', [':SN' => $this->sn]);
            ApproachOrderGoods::deleteAll('ORDER_SN = :ORDER_SN', [':ORDER_SN' => $this->sn]);

            $transaction->commit();
        } catch (Exception $e) {
            $transaction->rollBack();
            $this->addError('edit', $e->getFile() . '  ' . $e->getMessage());
            return null;
        }

        return $this->_model;
    }

    public function verifyPayUPOP(): ?bool
    {
        if (!$this->validate()) {
            return null;
        }

        // 支付校验
        $db = \Yii::$app->db;
        $transaction = $db->beginTransaction();
        try {
            // 更新准订单状态为已支付
            $this->_model->STATUS = $this->status;
            $this->_model->NOTE = json_encode($this->note);
            $this->_model->PAY_AT = strtotime($this->note['pay_time']);
            if (!$this->_model->save()) {
                throw new Exception(Form::formatErrorsForApi($this->_model->getErrors()));
            }

            // 同步准订单到正式订单
            Order::insertOne($this->_model->toArray());
            // 同步准订单商品到正式订单商品
            $approachOrderGoods = ApproachOrderGoods::findAllAsArray('ORDER_SN = :ORDER_SN', [':ORDER_SN' => $this->sn]);
            OrderGoods::batchInsert($approachOrderGoods);

            // 删除中间表
            ApproachOrder::deleteAll('SN=:SN', [':SN' => $this->sn]);
            ApproachOrderGoods::deleteAll('ORDER_SN = :ORDER_SN', [':ORDER_SN' => $this->sn]);

            $transaction->commit();
            return true;
        } catch (Exception $e) {
            $transaction->rollBack();
            $this->addError('edit', $e->getFile() . '  ' . $e->getMessage());
            return null;
        }
    }

    /**
     * BV分期
     *
     *
     */
    private function _pvSplit($oPv){
        $sysConfig = Cache::getSystemConfig();
        $mesureUpCondition = $sysConfig['monthPcsPvFxCondition']['VALUE'];
        if ($oPv > $mesureUpCondition) {
            $currentPv = $oPv % $mesureUpCondition + $mesureUpCondition;
            $remainPv = $oPv - $currentPv;
        } else {
            $currentPv = $oPv;
            $remainPv = 0;
        }
        return [
            'current' => $currentPv,
            'remain' => $remainPv
        ];
    }


    /**
     * 复销
     * @throws Exception
     * @throws \yii\db\Exception
     */
    public function add() {
        if(!$this->validate()){
            return null;
        }

        $ids = $this->goodsId;
        $totalAmount = 0;
        $totalPv = 0;
        $totalRealPv = 0;
        $this->_remainPv = 0;
        $cateId = [];
        foreach ($this->goodsNum as $k => $v) {
            if ($v) {
                $goods = ShopGoods::findOneAsArray('ID=:ID AND STATUS=1',[':ID'=> $ids[$k]]);
                if (!$goods) {
                    throw new Exception('商品已下架');
                }
                $cateId[] = $goods['CATE_ID'];
                if ($goods['STORE_NUMS'] > 0) {
                    $discount = $goods['SELL_DISCOUNT'];
                    $realPrice = $goods['SELL_PRICE'] * $discount;
                    $realPv = $goods['PRICE_PV'] * $discount;
                    if ($goods['PV_SPLIT'] == 1) { // 当商品为PV分期时
                        $pvSplit = $this->_pvSplit($realPv);
                        $currentPv = $pvSplit['current'];
                        $remainPv = $pvSplit['remain'];
                        $totalPv += $currentPv * intval($v);
                        $totalRealPv += $realPv * intval($v);
                        $this->_remainPv += $remainPv * intval($v);
                    } else {
                        $currentPv = $goods['PRICE_PV'];
                        $totalPv += $realPv * intval($v);
                        $totalRealPv += $realPv * intval($v);
                        $remainPv = 0;
                        $this->_remainPv += 0;
                    }
                    $totalAmount += $realPrice * intval($v);

                    $this->_orderGoods[] = [
                        'GOODS_ID' => $goods['ID'],
                        'PRICE' => $goods['SELL_PRICE'],
                        'PV' => $currentPv,
                        'REAL_PRICE' => $realPrice,
                        'REAL_PV' => $realPv,
                        'REMAIN_PV' => $remainPv,
                        'POINT' => $goods['POINT'],
                        'BUY_NUMS' => intval($v),
                        'SKU_CODE' => $goods['GOODS_NO'],
                        'GOODS_TITLE' => $goods['GOODS_NAME']
                    ];
                }
            }
        }

        if (count(array_unique($cateId)) > 1) {
            throw new Exception('海内商品、海外商品只能选择一种');
        }

        $this->_decAmount = $totalAmount;
        $this->_decPv = $totalPv;
        $this->_realPv = $totalRealPv;
        $this->_freight = ($totalAmount>=300) ? 0 : 15;
        $this->_payAmount = $this->_decAmount + $this->_freight;

        $db = \Yii::$app->db;
        $transaction = $db->beginTransaction();

        // 支付减库存
        foreach ($this->goodsNum as $k => $v) {
            if ($v) {
                $goods = ShopGoods::findOneAsArray('ID=:ID AND STATUS=1', [':ID'=> $ids[$k]]);
                if (!$goods) {
                    throw new Exception('商品已下架');
                }
                if ($goods['STORE_NUMS'] >= $this->goodsNum[$k]) {
                    $data = ShopGoods::find()->where(['ID' => $ids[$k]])->one();
                    $goods_store_nums = $data->STORE_NUMS - $this->goodsNum[$k];
                    $data->STORE_NUMS = $goods_store_nums;
                    $data->update();
                    //下单后库存小于等于0 商品下架
                    if ($goods_store_nums <= 0) {
                        $data->STATUS = 0;
                        $data->UPDATED_AT = Date::nowTime();
                        $data->update();
                    }
                } else {
                    throw new Exception($goods['GOODS_NAME'].'库存不足，无法购买商品');
                }
            }
        }

        try {
            // 写入订单
            if (!$orderResult = $this->addOrder()) {
                throw new Exception(Form::formatErrorsForApi($orderResult->getErrors()));
            }

            // TODO: 获取iPay88所需参数
//            $orderSn = $orderResult->SN;

            $transaction->commit();

            return $orderResult;
        }catch (\Exception $e){
            $transaction->rollBack();
            $this->addError('add', $e->getMessage());
            return null;
        }
    }

    /**
     * 复销订单
     * @throws Exception
     */
    public function addOrder()
    {
        $periodObj = Period::instance();
        $nowPeriodNum = $periodObj->getNowPeriodNum();
        $nowCalcMonth = $periodObj->getYearMonth($nowPeriodNum);

        $userId = \Yii::$app->user->id;

        $userName = Info::getUserNameByUserId($userId);
        $userRealName = Info::getUserRealNameByUserId($userId);
        $userMobile = Info::getUserMobileByUserId($userId);
        $userEmail = Info::getUserEmailByUserId($userId);

        // 加入订单信息
        $warehouse = Region::getWarehouseByCode($this->_address['PROVINCE']);//仓库
        if(!$warehouse){
            throw new Exception('地区暂时不支持配送，具体联系客服');
        }

        $ordNo = $this->_generateSn();
        $orderModel = new ApproachOrder();
        $orderModel->SN = 'OS' . $ordNo;
        $orderModel->DEC_SN = 'DS' . $ordNo;
        $orderModel->ORDER_TYPE = $this->type;
        $orderModel->USER_ID = $userId;
        $orderModel->USER_NAME = $userName;
        $orderModel->ORDER_AMOUNT = $this->_decAmount;
        $orderModel->PV = $this->_decPv;
        $orderModel->PAY_AMOUNT = $this->_payAmount;
        $orderModel->PAY_PV = $this->_decPv;
        $orderModel->REMAIN_PV = $this->_remainPv;
        $orderModel->PAY_AT = 0;
        $orderModel->PAY_TYPE = $this->payType;
        $orderModel->PERIOD_NUM = $nowPeriodNum;
        $orderModel->P_CALC_MONTH = Date::ociToDate($nowCalcMonth, Date::OCI_TIME_FORMAT_SHORT_MONTH);
        $orderModel->FREIGHT = $this->_freight;
        $orderModel->PAY_FREIGHT = $this->_freight;
        $orderModel->CONSIGNEE = $this->_address['CONSIGNEE'];
        $orderModel->MOBILE = $this->_address['MOBILE'];
        $orderModel->PROVINCE = $this->_address['PROVINCE'];
        $orderModel->CITY = $this->_address['CITY'];
        $orderModel->COUNTY = $this->_address['COUNTY'];
        $orderModel->ADDRESS = $this->_address['ADDRESS'];
        $orderModel->FRONT_REMARK = $this->remark;
        $orderModel->WAREHOUSE = $warehouse;
        $orderModel->STATUS = \Yii::$app->params['orderStatus']['notPaid']['value'];
        $orderModel->CREATED_AT = Date::nowTime();
        $orderModel->CREATE_USER = $userName;
        $orderModel->EMAIL = $userEmail ?: $userName.'@elken.net';
        $orderModel->CONSIGNEE_ID_NO = $this->consigneeIdNo;
        $orderModel->CONSIGNEE_REAL_NAME = $this->consigneeRealName;
        $orderModel->ZIP_CODE = $this->zipCode;
        if(!$orderModel->save()){
            $this->addErrors($orderModel->getErrors());
            return false;
        }

        // 加入商品到订单商品表
        foreach($this->_orderGoods as $key=>$value) {
            $this->_orderGoods[$key]['ORDER_SN'] = $orderModel->SN;
            $this->_orderGoods[$key]['P_CALC_MONTH'] = Date::ociToDate($nowCalcMonth, Date::OCI_TIME_FORMAT_SHORT_MONTH);
        }
        ApproachOrderGoods::batchInsert($this->_orderGoods);

        return $orderModel;
    }

    /**
     * 生成流水号
     * @return string
     */
    private function _generateSn() {
        return Date::today('Ymd') . $this->_random(10, 1);
    }

    /**
     * 生成随机数
     * @param $length
     * @param int $numeric
     * @return string
     */
    private function _random($length, $numeric = 0) {
        $seed = base_convert(md5(microtime() . $_SERVER['DOCUMENT_ROOT']), 16, $numeric ? 10 : 35);
        $seed = $numeric ? (str_replace('0', '', $seed) . '012340567890') : ($seed . 'zZ' . strtoupper($seed));
        $hash = '';
        $max = strlen($seed) - 1;
        for ($i = 0; $i < $length; $i++) {
            $hash .= $seed[mt_rand(0, $max)];
        }
        return $hash;
    }
}