<?php

namespace Distribution\Business;

use Distribution\Model\ConfigModel;
use Distribution\Model\OrderModel;
use Distribution\Model\DistributorModel;
use Distribution\Model\SellModel;
use Distribution\Model\StoreModel;

/**
 * 佣金计算
 * Class Commission
 * @package Distribution\Business
 */
class Commission
{
    /**
     * 订单分佣计算
     * @param $param
     * merchant_id  商户ID
     * bill_id      订单ID
     * goods_id     商品ID
     * goods_info   商品详细信息
     * uid          购买商品的用户ID
     * distributor_id   分享者的分销员ID  非必传
     * @return mixed
     */
    public function calculateCommission($param)
    {
        $SellModel = new SellModel();
        $OrderModel = new OrderModel();
        $StoreModel = new StoreModel();
        $ConfigModel = new ConfigModel();
        $DisLinkModel = new \Distribution\Model\LinkModel();
        $DistributorModel = new DistributorModel();

        if (!$param['merchant_id'] || !$param['bill_id'] || empty($param['goods_id']) || empty($param['goods_info']) || !$param['uid']) {
            return ['status' => 0, 'msg' => '必要参数缺失'];
        }
        // 验证bill是否已经记录
        $verifyOrder = $OrderModel->getFind(['bill_id' => $param['bill_id']], 'id');
        if ($verifyOrder) return ['status' => 0, 'msg' => '订单号已记录，请勿重复添加'];

        // 获取分销配置
        $configField = [
            'is_open',  // 是否开启分销 0关闭 1开启
            'distribution_level', // 分销层级 1一级分销 2二级分销
            'second_level_rate', // 二级佣金比
            'is_self_buying', // 分销自购 0不可以获得佣金 1可以获得佣金
            'is_customer_protect',  //是否开启客户保护 1关闭 2开启
            'customer_protect_type',    //客户保护方式 1永久保护 2固定时间保护
            'protect_date', //固定保护天数
        ];
        $config = $ConfigModel->getFind(['merchant_id' => $param['merchant_id']], $configField);
        if (empty($config) || $config['is_open'] == 0) return ['status' => 0, 'msg' => '商户未开启分销'];

        // 获取商品信息--分销商品表ID
        $gMap = [
            'merchant_id' => $param['merchant_id'],
            'goods_id' => ['in', $param['goods_id']],
            'goods_status' => 1
        ];
        $dis_goods = $StoreModel->getSelect($gMap, 'id,goods_id,first_proportion,second_proportion');
        //判断购买的商品是否含有分销商品
        if (empty($dis_goods)) return ['status' => 0, 'msg' => '不属于分销订单'];

        //循环处理分销商品数据 便于插入分销商品出售明细表
        $disGoods = []; //存储以商品ID为键名，商品分销设置为键值的分销商品数据
        foreach ($dis_goods as $v) {
            $disGoods[$v['goods_id']] = $v;
        }

        //查询购买者的分销员ID
        $self_distributor_id = $DistributorModel->getFindField(['uid' => $param['uid'], 'status' => 0], 'id');

        //请求参数无分销员ID或者用户自购
        if (empty($param['distributor_id']) || $self_distributor_id || $self_distributor_id == $param['distributor_id']) {
            //判断购买的用户是否是分销员 不存在分销员信息则为普通用户购买 获取是否属于某个分销员的客户
            if (empty($self_distributor_id)) {
                $linkData = $DisLinkModel->getOrderFind(['uid' => $param['uid'], 'status' => 1], '*', 'add_time desc');

                //不存在绑定关系
                if (empty($linkData)) return ['status' => 0, 'msg' => '不属于分销订单'];

                //存在绑定关系 则获得一级佣金的分销员为绑定的分销员
                $first_distributor_id = $DistributorModel->getFindField(['id' => $linkData['distributor_id'], 'status' => 0], 'id');

                //绑定的分销员不正常 则return
                if (empty($first_distributor_id)) return ['status' => 0, 'msg' => '不属于分销订单'];
            } else if ($config['is_self_buying'] != 1) {
                //自购不可以获得佣金  获取上级分销员的ID作为一级分销员
                $first_distributor_id = $DistributorModel->getUserLeader($param['merchant_id'], $self_distributor_id);

                //不存在上级
                if (!$first_distributor_id) return ['status' => 0, 'msg' => '不属于分销订单'];
            } else {
                //自购能获得佣金
                $first_distributor_id = $self_distributor_id;
            }
        } else {
            //请求参数有分销员ID 并且购买的用户不是分销员
            //获取是否存在绑定关系
            $linkData = $DisLinkModel->getOrderFind(['uid' => $param['uid'], 'status' => 1], '*', 'add_time desc');

            //不存在绑定关系或者绑定的分销员就是分享者 则分享者拿一级佣金
            if (empty($linkData) || $linkData['distributor_id'] == $param['distributor_id']) {
                $first_distributor_id = $param['distributor_id']; //获得一级佣金的分销员ID
            } else {
                //存在绑定关系并且绑定的分销员不是分享者
                //开启客户保护 并且永久保护或固定时间段保护且在保护期内 则绑定的分销员拿佣金
                if ($config['is_customer_protect'] == 2 && ($config['customer_protect_type'] == 1 || $linkData['protect_date'] * 86400 + $linkData['add_time'] > time())) {

                    //判断绑定的分销员是否正常
                    $first_distributor_id = $DistributorModel->getFindField(['id' => $linkData['distributor_id'], 'status' => 0], 'id');
                    if (empty($first_distributor_id)) {
                        //不正常则分享者拿佣金
                        $first_distributor_id = $param['distributor_id']; //获得一级佣金的分销员ID
                    }
                } else {
                    //未开启客户保护或过了有效期 分享者拿佣金
                    $first_distributor_id = $param['distributor_id']; //获得一级佣金的分销员ID
                }
            }
            //拿一级佣金的是分享者
            if ($first_distributor_id == $param['distributor_id']) {
                //判断分享者是否正常 不正常则return
                $first_distributor_id = $DistributorModel->getFindField(['id' => $param['distributor_id'], 'status' => 0], 'id');
                if (empty($first_distributor_id)) return ['status' => 0, 'msg' => '分享者状态异常，不能拿佣金'];
            }
        }
        //获取一级佣金比
        $first_rate = $DistributorModel->getUserPresent($first_distributor_id);

        //判断是否应该含有上级
        if ($config['distribution_level'] == 1) {
            //一级分销 上级不能拿佣金
            $lastData['pid'] = 0;
        } else {
            //二级分销 存在上级则上级拿佣金
            $lastData['pid'] = $DistributorModel->getUserLeader($param['merchant_id'], $first_distributor_id);
        }

        //分销一级佣金
        $totalFirMoney = 0;
        //分销二级佣金
        $totalSecMoney = 0;
        //循环处理分销商品数据
        foreach ($param['goods_info'] as $val) {
            //当前商品属于分销商品
            if (isset($disGoods[$val['goods_id']])) {
                $firstProp = $disGoods[$val['goods_id']]['first_proportion'] ? $disGoods[$val['goods_id']]['first_proportion'] : $first_rate;
                $secondProp = $disGoods[$val['goods_id']]['second_proportion'] ? $disGoods[$val['goods_id']]['second_proportion'] : $config['second_level_rate'];
                $newSellAddData = [
                    'bill_id' => $param['bill_id'], //订单表ID
                    'sell_id' => $val['sell_id'], //retail_sell表ID
                    'total_amount' => $val['total_amount'], //总价
                    'dis_goods_id' => $disGoods[$val['goods_id']]['id'], //分销商品ID
                    'sell_first_money' => bcmul($val['total_amount'], $firstProp, 2),  //订单一级佣金
                    'first_balance_rate' => $firstProp, //一级佣金比
                    'sell_second_money' => 0,
                ];
                $totalFirMoney += $newSellAddData['sell_first_money'];

                //开启二级分销且存在二级分销员
                if ($config['distribution_level'] == 2 && $lastData['pid']) {
                    $newSellAddData['sell_second_money'] = bcmul($val['total_amount'], $secondProp, 2); //订单二级佣金
                    $newSellAddData['second_balance_rate'] = $secondProp; //二级佣金比
                    $totalSecMoney += $newSellAddData['sell_second_money'];
                }
                //  存在佣金才添加分销订单
                if (bcadd($newSellAddData['sell_first_money'], $newSellAddData['sell_second_money'], 2) > 0) {
                    $SellModel->addOrder($newSellAddData);
                }
            }
        }
        if (bcadd($totalFirMoney, $totalSecMoney, 2) > 0) {
            //如果分销商品自身存在一级佣金比
            $lastData['did'] = $first_distributor_id;
            $lastData['sell_first_money'] = $totalFirMoney;

            //开启二级分销并且存在上级分销员
            if ($config['distribution_level'] == 2 && $lastData['pid']) {
                $lastData['sell_second_money'] = $totalSecMoney;
            }
            // 数据存储
            $lastData['bill_id'] = $param['bill_id'];
            $lastData['withdraw_state'] = 0;
            $result = $OrderModel->addOrder($lastData);

            if ($result) {
                //更新已插入的商品列表记录
                $SellModel->updateOrder(['bill_id' => $param['bill_id']], ['settled_id' => $result]);
                $res['status'] = 1;
                $res['msg'] = '佣金记录成功!';
            } else {
                $res['status'] = 0;
                $res['msg'] = '佣金记录失败,请稍后重试!';
            }
        } else {
            $res = [
                'status' => 0,
                'msg' => '不是分销订单',
            ];
        }
        return $res;
    }
}