<?php

namespace app\common\service;

use app\common\logic\Fingerprint;
use app\common\logic\ModelNaming;
use app\common\logic\SkuCodeBuilder;
use app\common\validate\VehVehicleSkuValidate;
use app\common\traits\crud\CrudServiceTrait;
use app\common\model\VehVehicleSku;
use support\Request;

class VehVehicleSkuService
{

    use CrudServiceTrait;

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

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

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


    // 枚举
    private const MAPS = [
        'BODY' => [
            'SEDAN' => '三厢轿车', 'SUV'=>'SUV', 'HB'=>'两厢/掀背', 'MPV'=>'MPV', 'PICKUP'=>'皮卡'
        ],
        'DRIVE' => [
            'FWD'=>'前驱', 'RWD'=>'后驱', 'AWD'=>'四驱(AWD)', '4WD'=>'四驱(4WD)'
        ],
        'MOTOR_LAYOUT' => [
            'FWD'=>'前置单电机', 'RWD'=>'后置单电机', 'AWD'=>'双电机四驱', 'DM-I'=>'DM-i', 'DM-P'=>'DM-p'
        ],
        'FUEL' => [
            'GAS'=>'汽油', 'HEV'=>'油电混动', 'PHEV'=>'插电混动', 'EV'=>'纯电', 'EREV'=>'增程'
        ],
        'TRANS' => [
            'MT'=>'手动', 'AT'=>'自动', 'CVT'=>'无级', 'DCT'=>'双离合', '1SPEED'=>'单速'
        ],
        'RANGE_STD' => [
            'CLTC'=>'CLTC', 'WLTP'=>'WLTP', 'EPA'=>'EPA', 'NEDC'=>'NEDC'
        ],
        'EMISSION' => [
            'CHN6'=>'国六', 'EURO6'=>'欧6', 'EPA'=>'美国EPA'
        ],
    ];

    // *_code取中文
    public function label(string $dict, ?string $code): ?string
    {
        if ($code === null || $code === '') return null;
        $dict = strtoupper($dict);
        $code = strtoupper($code);
        return self::MAPS[$dict][$code] ?? $code;
    }

    // 静态映射把 *_code → 中文
    private function backfill(array $d): array
    {
        $d['body_type']     = $this->label('BODY',         $d['body_type_code']);
        $d['drive_type']    = $this->label('DRIVE',        $d['drive_type_code']);
        $d['motor_layout']  = $this->label('MOTOR_LAYOUT', $d['motor_layout_code']);
        $d['fuel_type']     = $this->label('FUEL',         $d['fuel_type_code']);
        $d['transmission']  = $this->label('TRANS',        $d['transmission_code']);
        $d['range_std']     = $this->label('RANGE_STD',    $d['range_std_code']);
        $d['emission_std']  = $this->label('EMISSION',     $d['emission_std_code']);
        return $d;
    }

    protected function buildQueryConfig(Request $request, string $scene = 'default'): array
    {
        $p = $request->all();
        
        $config = [];
        $config['model'] = $this->modelClass;
        switch ($scene) {
            case 'default':
                $config['where']['is_active'] = 1;
                $config['order']['id'] = 'desc';
                break;
            case 'index':
                $config['where']['is_active'] = 1;
                $config['order']['id'] = 'desc';
                break;
            case 'show':
                $config['where']['id'] = $p['id'];
                $config['where']['is_active'] = 1;
                break;
            case 'store':
                break;
            case 'update':
                $config['where']['id'] = $p['id'];
                break;
            case 'destroy':
                $config['where']['id'] = $p['id'];
                break;
        }
        
        return $config;
    }

    public function beforeServiceStore($data, Request $request)
    {
        // $data = $this->backfill($data);
        if (empty($data['model_code'])) {
            $data['model_code'] = ModelNaming::buildModelCode($data);
        }
        if (empty($data['model_name'])) {
            $data['model_name'] = ModelNaming::buildModelName($data);
        }
        $data['sku_code']   = SkuCodeBuilder::build($data);
        $data['corp_id']    = 0;
        $data['created_by'] = $request->user->uid;
        $data['updated_by'] = $request->user->uid;
        // 指纹
        $data['fingerprint'] = Fingerprint::makeFromArray($data);
        return $data;
    }

    protected function afterServiceStore($res)
    {
        
        return $res;
    }


    public function beforeServiceUpdate($data, Request $request)
    {
        // $data = $this->backfill($data);
        if (empty($data['model_code'])) {
            $data['model_code'] = ModelNaming::buildModelCode($data);
        }
        if (empty($data['model_name'])) {
            $data['model_name'] = ModelNaming::buildModelName($data);
        }
        // 填充系统字段
        $data['updated_by'] = $request->user->uid;
        // 指纹
        $data['fingerprint'] = Fingerprint::makeFromArray($data);
        return $data;
    }

    protected function afterServiceUpdate($res)
    {
        
        return $res;
    }
}