<?php
namespace app\common;

use think\facade\Db;

class Affiliate{
    public static function calculateProfitShare($order){
        $affiliate = json_decode(getConfigValue('affiliate'),true);

        //是否開啟分銷
        if(!$affiliate['on']){
            return ['code'=>-1,'msg'=>'未開啟分銷'];
        }

        //檢查是否已經計算過
        $is_calculate = Db::name('affiliate_log')->where('order_id', $order['order_id'])->count();
        if($is_calculate){
            return ['code'=>-1,'msg'=>'已經計算過'];
        }

        
        try {
            //找出第一二三四層介紹人
            $sso_user_id = Db::name('users')->where('user_id', $order['user_id'])->value('sso_user_id');

            $parents = self::getAffiliate($sso_user_id, 1);

            foreach ($parents as $key => $value) {
                //計算分銷金額
                $money[$key] = $order['order_amount'] * $affiliate['item'][$key]['level_money'] / 100;

                //寫入affiliate_log
                $affiliate_log = [
                    'user_id' => Db::name('users')->where('sso_user_id', $value)->value('user_id'),
                    'order_id' => $order['order_id'],
                    'time' => time(),
                    'user_name' => Db::name('users')->where('sso_user_id', $value)->value('real_name'),
                    'money' => $money[$key],
                ];
                Db::name('affiliate_log')->insert($affiliate_log);
                //增加介紹人的獎金
                Db::name('users')->where('sso_user_id', $value)->inc('frozen_money', $money[$key])->update();
            }
            return true;
        } catch (\Exception $e) {
            print_r($e->getMessage());
            return false;
        }
    }

    private static function getAffiliate($sso_user_id, $level = 1)
    {
        $parents = [];
        $parent_id = Db::name('users')->where('sso_user_id', $sso_user_id)->value('parent_id');

        if ($parent_id) {
            $parents[$level] = $parent_id;
            $level++;
            $return = self::getAffiliate($parent_id, $level);
            $parents = array_merge($parents, $return);
        }

        return $parents;
    }
}