<?php

namespace app\common\service;

use app\common\model\FinReceiptHis;
use app\common\validate\FinReceiptValidate;
use app\common\traits\crud\CrudServiceTrait;
use app\common\model\FinReceipt;
use support\Request;

class FinReceiptService
{

    use CrudServiceTrait;

    /**
     * 指定当前要操作的模型
     */
    protected string $modelClass = FinReceipt::class;

    /**
     * 验证器
     */
    protected $validator = FinReceiptValidate::class;

    /**
     * 获取验证器
     */
    public function getValidator()
    {
        return  new $this->validator;
    }


    /**
     * 构建查询条件
     */
    protected function buildQueryConfig(Request $request, string $scene = 'index'): array
    {
        $p = $request->all();

        $config = [];
        $config['model'] = $this->modelClass;
        switch ($scene) {
            case 'index':
                // ====== ====== 排序 ====== ======
                $config['order']['id'] = 'desc';

                // ====== ====== 筛选 ====== ======
                // 汇款国家
                if (isset($p['country_id']) && !empty($p['country_id'])) {
                    $config['where']['country_id'] = $p['country_id'];
                }

                // 没有付款记录的收款记录
                if (isset($p['payment_apply']) && $p['payment_apply'] == 'not') {
                    $config['where']['payment_apply_id'] = ['not null'];
                }

                // 收款账户筛选
                if (isset($p['payment_apply_id']) && !empty($p['payment_apply_id'])) {
                    $config['where']['payment_apply_id'] = $p['payment_apply_id'];
                }

                // 收款账户筛选
                if (isset($p['account_id']) && !empty($p['account_id'])) {
                    $config['where']['account_id'] = $p['account_id'];
                }

                // 关键字
                if (isset($p['keyword']) && $p['keyword']) {
                    $k = '%' . $p['keyword'] . '%';
                    $config['orWhere'][] = ['remitter', 'like', $k];
                }
                break;
            case 'show':
                $config['where']['id'] = $p['id'];
                break;
            case 'update':
            case 'destroy':
                $config['where']['id'] = $p['id'];
                break;
            case 'store':
                break;
        }

        return $config;
    }

    public function beforeServiceStore($data, Request $request)
    {
        if(isset($data['payment_apply_id']) && empty($data['payment_apply_id'])){
            unset($data['payment_apply_id']);
        }
        $data['receipt_no'] = $this->generateUniqueReceipt();
        $data['arrived_at'] = strtotime( $data['arrived_at']);
        $data['created_by'] = $request->user->uid;
        $data['updated_by'] = $request->user->uid;
        return $data;
    }

    public function afterServiceStore($res)
    {
        $receipt = FinReceipt::where('id',$res->id)->first()->toArray();
        $receipt = array_merge($receipt,['receipt_id' => $res->id]);
        unset($receipt['id']);
        FinReceiptHis::create($receipt);
    }

    public function beforeServiceUpdate($data, Request $request)
    {
        $data['updated_by'] = $request->user->uid;
        $data['arrived_at'] = strtotime($data['arrived_at']);
        if(isset($data['received_at']))
            $data['received_at'] = strtotime($data['received_at']);
        
        return $data;
    }
    public function afterServiceUpdate($res)
    {
        $receipt = FinReceipt::where('id',$res->id)->first()->toArray();
        $receipt = array_merge($receipt,['receipt_id' => $res->id]);
        unset($receipt['id']);
        FinReceiptHis::create($receipt);
    }


    /**
     * 生成唯一的付款申请编码
     * 格式：PA + 日期 + 6位字母数字组合
     *
     * @return string 唯一编码
     */
    public function generateUniqueReceipt()
    {
        $chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
        $maxAttempts = 10; // 防止无限循环
        $secondChar = 'RE' . date('Ymd');

        for ($attempt = 0; $attempt < $maxAttempts; $attempt++) {
            // 生成后6位随机字符
            $suffix = '';
            for ($i = 0; $i < 6; $i++) {
                $suffix .= $chars[rand(0, strlen($chars) - 1)];
            }

            $ReceiptNo = $secondChar . $suffix;

            // 检查是否已存在
            $existing = FinReceipt::where('receipt_no', $ReceiptNo)->first();
            if (!$existing) {
                return $ReceiptNo;
            }
        }

        // 如果1000次尝试后仍然重复，使用时间戳确保唯一性
        $timestamp = substr(time(), -6);
        return $secondChar . $timestamp;
    }
}