<?php

namespace app\admin\service;

use app\admin\validate\VehColorValidate;
use app\common\traits\crud\CrudServiceTrait;
use app\common\model\VehColor;
use app\common\utils\translation\service\TranslationService;
use app\queue\utils\Translat;
use support\Request;

class VehColorService
{

    use CrudServiceTrait;

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

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

    public $translatFields = ['color_text'];

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

    public function afterServiceStore($res)
    {
        $sourceLocale = locale();
        $data = $res->toArray();
        $traitsourceFields = Translat::extractSourceFields($data, $this->translatFields);

        (new TranslationService())->queueTranslations(
            'veh_color_translation',
            $res['id'],
            $sourceLocale,
            $traitsourceFields
        );
    }

    /**
     * 生成唯一的7位颜色编码
     * 格式：C + (O/I) + 5位字母数字组合
     * 
     * @param int $type 类型：2=I，其他=O
     * @return string 7位唯一编码
     */
    public function generateUniqueColorCode($type)
    {
        $secondChar = $type ==2 ? 'I' : 'O';
        $chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
        $maxAttempts = 10; // 防止无限循环
        
        for ($attempt = 0; $attempt < $maxAttempts; $attempt++) {
            // 生成后5位随机字符
            $suffix = '';
            for ($i = 0; $i < 5; $i++) {
                $suffix .= $chars[rand(0, strlen($chars) - 1)];
            }
            
            $colorCode = 'C' . $secondChar . $suffix;
            
            // 检查是否已存在
            $existing = VehColor::where('color_code', $colorCode)->first();
            if (!$existing) {
                return $colorCode;
            }
        }
        
        // 如果1000次尝试后仍然重复，使用时间戳确保唯一性
        $timestamp = substr(time(), -5);
        return 'C' . $secondChar . $timestamp;
    }

    /**
     * 添加前置处理
     */
    public function beforeServiceStore($data, Request $request)
    {
        $type = $data['type'] ?? 0;
        $data['color_code'] = $this->generateUniqueColorCode($type);
        $data['created_by'] = $request->user->uid;
        $data['updated_by'] = $request->user->uid;
        return $data;
    }

    /**
     * 添加前置处理
     */
    public function beforeServiceUpdate($data, Request $request)
    {
        $data['updated_by'] = $request->user->uid;
        return $data;
    }
}