<?php

namespace app\admin\controller\dashboard;

use app\common\controller\BaseController;
use app\common\model\FinPaymentApply;
use app\common\model\FinReceipt;
use app\common\model\SysCurrency;
use support\Request;

class FinStatisticsController extends BaseController
{
    /**
     * 收款记录统计
     * @param Request $request
     * @return \support\Response
     */
    public function statistics(Request $request)
    {
        try {
            $currency = SysCurrency::where('status',1)->get();
            $query = FinReceipt::where('payment_apply_id','>',0);

            $result = [];
            //已认领数量
            $result['claimed_num'] = $query->count();
            //已认领金额
//            $result['claimed_amount'] = $query->sum('amount');
            $result['claimed_amount'] = array_values($this->receiptStatisticsSum($query, $currency)); //各币种的已认领金额
            $result['claimed_amount_sum'] =$this->amountSum($result['claimed_amount']); //已认领的人民币总金额

            //未入账数量
            $query2 = FinReceipt::whereNull('received_at');
            $result['unreceived_num'] = $query2->count();
            //未入账金额
//            $result['unreceived_amount'] = $query2->sum('amount');
            $result['unreceived_amount'] = array_values($this->receiptStatisticsSum($query2, $currency)); //各币种的未入账金额
            $result['unreceived_amount_sum'] = $this->amountSum($result['unreceived_amount']); //未入账的已认领的人民币总金额

            $query3 = FinReceipt::whereNull('payment_apply_id');

            //未认领数量
            $result['unclaimed_num'] = $query3->count();
            //未认领金额
//            $result['unclaimed_amount'] = $query3->sum('amount');
            $result['unclaimed_amount'] = $this->receiptStatisticsSum($query3, $currency); //各币种的未认领金额
            $result['unclaimed_amount_sum'] = $this->amountSum($result['unclaimed_amount']); //未认领的已认领的人民币总金额

            //已超时未认领数量
            $query4 = $query3->where('created_at','<',time()-24*3600);
            $result['timeout'] = $query4->count();

            //在途资金
            //1、没有认领的付款资金
            $query5 = FinPaymentApply::where('receipt_id', '=', 0);
            $unclaimed_payment_amount = $this->receiptStatisticsSum($query5, $currency);
            foreach ($unclaimed_payment_amount as $key => &$value) {
                $value['amount'] = $value['amount'] - $result['unclaimed_amount'][$key]['amount'];
            }
            $result['unclaimed_payment_amount'] = array_values($unclaimed_payment_amount);
            $result['unclaimed_payment_amount_sum'] = $this->amountSum($result['unclaimed_payment_amount']);
            //在途资金 = 没有认领的付款资金-未认领的收款资金
            $result['intransit_amount'] = $result['unclaimed_payment_amount_sum'] - $result['unclaimed_amount_sum'];

            //在途数量 = 没有认领的付款数量-未认领的收款数量
            $result['intransit_count'] = count($result['unclaimed_payment_amount']) - count($result['unclaimed_amount']);

            //未认领金额重新组织索引
            $result['unclaimed_amount'] = array_values($result['unclaimed_amount']);
            return $this->success($result);
        } catch (\Throwable $e) {
            return $this->error($e->getMessage());
        }
    }

    /**
     * 根据不同条件查询收款金额
     * @param $query
     * @param $currency
     * @return array
     */
    public function receiptStatisticsSum($query, $currency)
    {
        $amount = [];
        foreach ($currency as $k => $v) {
            $amount[$v->currency_code] = [
                'currency_code' => $v->currency_code,
                'exchange_rate' => $v->exchange_rate,
                'amount' => $query->where('currency_id',$v->id)->sum('amount'),
            ];
        }
        return $amount;
    }

    /**
     * 不同币种汇率换算之后求和
     * @param $query
     * @param $currency
     */
    public function amountSum($amount)
    {
        $amountSum = 0;
        foreach ($amount as $v) {
            // 转换为整数（乘以100避免浮点数问题）
            $v['amount'] = (int) round($v['amount'] * 100);
            $v['exchange_rate'] = (int) round($v['exchange_rate'] * 10000); // 汇率保留4位小数
            $amountSum += $v['amount'] * $v['exchange_rate'];
        }

        // 转换回金额（除以1000000，因为汇率乘了10000）
        $result = $amountSum / 1000000;

        // 四舍五入到2位小数
        return round($amountSum, 2);
    }

}