<?php

namespace app\api\validate;

use think\Validate;
use app\common\model\commission\Apply as ApplyModel;
use app\common\model\commission\Identity as IdentityModel;
use app\common\Enum\AgentType;

class AgentApply extends Validate
{
    /**
     * 验证规则
     */
    protected $rule = [
        'apply_type'        => 'require|in:personal,company',
        'agent_identity_id' => 'require|integer|gt:0',
        'province_id'       => 'integer|gt:0',
        'city_id'           => 'integer|gt:0', 
        'district_id'       => 'integer|gt:0',
        'province_name'     => 'max:50',
        'city_name'         => 'max:50',
        'district_name'     => 'max:50',
        
        // 个人申请字段
        'real_name'         => 'length:2,30',
        'id_card'           => 'regex:/^[1-9]\d{5}(18|19|20)\d{2}((0[1-9])|(1[0-2]))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/',
        'mobile'            => 'regex:/^1\d{10}$/',
        'id_card_front'     => 'max:255',
        'id_card_back'      => 'max:255',
        
        // 企业申请字段
        'company_name'      => 'length:2,100',
        'legal_person'      => 'length:2,30',
        'legal_mobile'      => 'regex:/^1\d{10}$/',
        'legal_id_card'     => 'regex:/^[1-9]\d{5}(18|19|20)\d{2}((0[1-9])|(1[0-2]))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/',
        'legal_id_front'    => 'max:255',
        'legal_id_back'     => 'max:255',
        'business_license'  => 'max:255',
    ];

    /**
     * 提示消息
     */
    protected $message = [
        'apply_type.require'        => '申请类型不能为空',
        'apply_type.in'             => '申请类型必须是personal或company',
        'agent_identity_id.require' => '请选择代理商身份',
        'agent_identity_id.integer' => '代理商身份ID格式错误',
        'agent_identity_id.gt'      => '代理商身份ID必须大于0',
        'province_id.integer'       => '省份ID格式错误',
        'province_id.gt'            => '省份ID必须大于0',
        'city_id.integer'           => '城市ID格式错误',
        'city_id.gt'                => '城市ID必须大于0',
        'district_id.integer'       => '区域ID格式错误',
        'district_id.gt'            => '区域ID必须大于0',
        'province_name.max'         => '省份名称最多50个字符',
        'city_name.max'             => '城市名称最多50个字符',
        'district_name.max'         => '区域名称最多50个字符',
        
        // 个人申请消息
        'real_name.length'          => '真实姓名长度必须在2-30个字符之间',
        'id_card.regex'             => '身份证号格式不正确',
        'mobile.regex'              => '手机号格式不正确',
        'id_card_front.max'         => '身份证正面图片路径过长',
        'id_card_back.max'          => '身份证反面图片路径过长',
        
        // 企业申请消息
        'company_name.length'       => '企业名称长度必须在2-100个字符之间',
        'legal_person.length'       => '法人姓名长度必须在2-30个字符之间',
        'legal_mobile.regex'        => '法人手机号格式不正确',
        'legal_id_card.regex'       => '法人身份证号格式不正确',
        'legal_id_front.max'        => '法人身份证正面图片路径过长',
        'legal_id_back.max'         => '法人身份证反面图片路径过长',
        'business_license.max'      => '营业执照图片路径过长',
    ];

    /**
     * 验证场景
     */
    protected $scene = [
        'apply' => ['apply_type', 'agent_identity_id']
    ];

    /**
     * 自定义验证代理商申请数据
     * @param array $data
     * @return bool
     */
    public function sceneApply()
    {
        // 基础字段验证
        $this->rule['agent_identity_id'] = $this->rule['agent_identity_id'] . '|checkIdentityExists';
        $this->rule['apply_type'] = $this->rule['apply_type'] . '|checkRequiredFieldsByType';
        
        return $this;
    }

    /**
     * 检查代理商身份是否存在且启用
     * @param mixed $value
     * @param mixed $rule
     * @param array $data
     * @return bool|string
     */
    protected function checkIdentityExists($value, $rule, $data)
    {
        $identity = IdentityModel::where('id', $value)
                                 ->where('status', IdentityModel::STATUS_ENABLED)
                                 ->find();
        if (!$identity) {
            return '选择的代理商身份不存在或已禁用';
        }

        // 根据代理商身份类型检查地区字段
        $requiredFields = AgentType::getRequiredAreaFields($identity->agent_type);
        
        if (!empty($requiredFields)) {
            // 检查必需的地区字段
            foreach ($requiredFields as $field) {
                if (empty($data[$field])) {
                    $fieldTexts = [
                        'province_id' => '省份',
                        'city_id' => '城市', 
                        'district_id' => '区域'
                    ];
                    return $fieldTexts[$field] . 'ID不能为空';
                }
            }

            // 验证地区ID的有效性
            $areaCheck = $this->validateAreaIds($data, $requiredFields);
            if ($areaCheck !== true) {
                return $areaCheck;
            }
        }

        return true;
    }

    /**
     * 根据申请类型检查必需字段
     * @param mixed $value
     * @param mixed $rule
     * @param array $data
     * @return bool|string
     */
    protected function checkRequiredFieldsByType($value, $rule, $data)
    {
        if ($value == ApplyModel::APPLY_TYPE_PERSONAL) {
            // 个人申请必需字段
            $requiredFields = [
                'real_name' => '真实姓名',
                'id_card' => '身份证号',
                'mobile' => '手机号',
                'id_card_front' => '身份证正面照片',
                'id_card_back' => '身份证反面照片'
            ];
        } else {
            // 企业申请必需字段
            $requiredFields = [
                'company_name' => '企业名称',
                'legal_person' => '法人姓名',
                'legal_mobile' => '法人手机号',
                'legal_id_card' => '法人身份证号',
                'legal_id_front' => '法人身份证正面照片',
                'legal_id_back' => '法人身份证反面照片',
                'business_license' => '营业执照照片'
            ];
        }

        foreach ($requiredFields as $field => $fieldName) {
            if (!isset($data[$field]) || $data[$field] === '') {
                return $fieldName . '不能为空';
            }
        }

        return true;
    }

    /**
     * 验证地区ID的有效性
     * @param array $data
     * @param array $requiredFields 需要验证的字段
     * @return bool|string
     */
    protected function validateAreaIds($data, $requiredFields = ['province_id', 'city_id', 'district_id'])
    {
        $areaModel = new \app\common\model\Area();
        
        // 验证省份
        if (in_array('province_id', $requiredFields) && !empty($data['province_id'])) {
            $province = $areaModel->where('id', $data['province_id'])->where('level', 1)->find();
            if (!$province) {
                return '选择的省份不存在';
            }
        }

        // 验证城市
        if (in_array('city_id', $requiredFields) && !empty($data['city_id'])) {
            $city = $areaModel->where('id', $data['city_id'])->where('level', 2)->find();
            if (!$city) {
                return '选择的城市不存在';
            }
            
            // 验证城市是否属于选择的省份
            if (!empty($data['province_id']) && $city->pid != $data['province_id']) {
                return '选择的城市不属于该省份';
            }
        }

        // 验证区域
        if (in_array('district_id', $requiredFields) && !empty($data['district_id'])) {
            $district = $areaModel->where('id', $data['district_id'])->where('level', 3)->find();
            if (!$district) {
                return '选择的区域不存在';
            }
            
            // 验证区域是否属于选择的城市
            if (!empty($data['city_id']) && $district->pid != $data['city_id']) {
                return '选择的区域不属于该城市';
            }
        }

        return true;
    }

    /**
     * 获取代理商身份是否需要地区信息
     * @param int $identityId
     * @return array
     */
    public static function getAreaRequirement($identityId)
    {
        $identity = IdentityModel::where('id', $identityId)
                                 ->where('status', IdentityModel::STATUS_ENABLED)
                                 ->find();

        if (!$identity) {
            return [
                'required' => false,
                'fields' => [],
                'agent_type' => '',
                'agent_type_text' => '',
                'message' => '代理商身份不存在或已禁用'
            ];
        }

        $requirementInfo = AgentType::getAreaRequirementInfo($identity->agent_type);

        return [
            'required' => $requirementInfo['required'],
            'fields' => $requirementInfo['fields'],
            'agent_type' => $identity->agent_type,
            'agent_type_text' => AgentType::getTypeText($identity->agent_type),
            'message' => $requirementInfo['message']
        ];
    }
}