<?php

namespace App\Services;

use App\Models\{User, Order, SalesValueLog, Agent, OrderProfit};
use App\Services\Payment\WxpayService;
use App\Enums\SocialiteType;
use App\Exceptions\BizException;

/**
 * 分销模块
 */
class DistributeService
{
    /**
     * 根据订单, 更新成长值, 添加返现记录
     *
     * @param \App\Models\Order $order
     *
     * @return \App\Models\OrderProfit
     */
    public function storeByOrder(Order $order)
    {
        if (!$this->canDistribute($order)) {
            return false;
        }
        // 订单成长值
        $sales_value = $order->sales_value;
        $user = $order->user;
        // 已经添加过返现记录
        if ($user->salesValueLogs()->where('order_id', $order->id)->exists()) {
            return false;
        }

        // 用户获得成长值
        $user->salesValueLogs()->create([
            'order_id' => $order->id,
            'order_user_id' => $order->user_id,
            'type' => SalesValueLog::TYPE_INDIVIDUAL,
            'change_sales_value' => $sales_value
        ]);
        $user->userInfo()->increment('growth_value', $sales_value);
        // 自动升级代理
        $levels = Agent::where('slug', Agent::TYPE_FAVOITE)->orderBy('sort')->get();
        $level_up = '';
        foreach($levels->reverse() as $item) {
            if ($user->userInfo->growth_value >= $item->growth_value) {
                $level_up = $item;
            }
        }
        if ($level_up) {
            $user->update([
                'agent_id' => $level_up->id,
            ]);
        }

        // 上级返利
        $parent_ids = array_reverse($user->userInfo->parent_ids);
        $parents = User::with(['userInfo', 'agent'])->whereIn('id', $parent_ids)->get();
        // 过滤掉不是代理身份的用户
        // 过滤掉当前等级 大于 下一级的等级的用户
        $filtered = $parents->filter(function ($item, $key) use ($parents) {
            if (!$item->agent) {
                return false;
            }
            $next = $parents->get($key + 1);
            if ($next && $next->agent) {
                return $item->agent->sort < $next->agent->sort;
            }
            return true;
        });
        // 生成返利记录
        $profit_list = [];
        $money_sum = 0;
        foreach($filtered->reverse() as $item) {
            $agent = $item->agent??'';
            if (!$agent) {
                continue;
            }
            $money = floor($sales_value * $agent->ratio) / 100 - $money_sum;
            array_unshift($profit_list, [
                'from_user_id' => $user->id,
                'user_id' => $item->id,
                'role' => $agent->slug . '-' . $agent->sort,
                'role_name' => $agent->name,
                'ratio' => $agent->ratio,
                'growth_value' => $sales_value,
                'money' => $money,
                'sub_money' => $money_sum,
            ]);
            $money_sum += $money;
        }
        // 订单保存返利金额
        $order->update([
            'profit' => $money_sum
        ]);
        return $order->profits()->createMany($profit_list);
    }

    /**
     * 判断订单是否可以生成返利
     *
     * @param \App\Models\Order $order
     *
     * @return boolean
     */
    public function canDistribute(Order $order)
    {
        // 订单已取消, 换货后生成的新订单
        if ($order->isCancelled() || $order->is_change) {
            logger(0);
            return false;
        }
        // 订单确认收货
        if (!$order->isCompleted()) {
            return false;
        }
        // 已经生成过返利记录
        if ($order->profits()->exists()) {
            return false;
        }
        // 订单超过售后期限
        $value = app_settings('sale_after_expire_days');
        if ($value && $order->completed_at) {
            $diff_day = $order->completed_at->diffInDays();
            return $diff_day > $value;
        }
        return true;
    }

    /**
     * 使用微信企业付款, 支付返利金额
     * 调用之前, 需要提前生成商户订单号
     */
    public function wechatTransfer(OrderProfit $profit)
    {
        $user = $profit->user;
        $openid = $user->socialites()->where('socialite_type', SocialiteType::WechatMiniProgram->value)->value('socialite_id');
        $result = (new WxpayService())->transfer([
            'partner_trade_no' => $profit->pay_no,
            'openid' => $openid,
            'check_name' => 'NO_CHECK',
            'amount' => $profit->money * 100,
            'desc' => '推荐返利',
        ]);

        $this->success($profit, $result);
    }

    /**
     * 返现记录支付成功
     *
     * @param \App\Models\OrderProfit $profit
     * @param mixed $data
     */
    public function success(OrderProfit $profit, $data = null)
    {
        $profit->update([
            'status' => 2,
            'paid_at' => data_get($data, 'paid_at', now()),
            'pay_data' => $data,
            'remarks' => data_get($data, 'remarks'),
        ]);
    }
}