<?php
namespace app\index\validate;

use think\Validate;

class Customer extends Validate
{
    protected $rule = [
        ['telephone', 'require|number|check_value:telephone', '手机号不能为空|手机号必须为数字'],
        // ['firstname', 'require|min:2|max:20', '用户名不能为空|用户名至少2个字符|用户名最多20个字符'],
        ['password', 'require|check_value:password', '密码不能为空'],
    ];

    protected $scene = [
        'register_by_telephone'  => ['telephone'],
        'register_by_email'  => ['email'],
        'login'     => ['telephone', 'password'],
        'update_tel'    => ['new_telephone']
    ];

    protected function check_value($value, $rule) {
        $telephone = input('telephone');
        switch ($rule) {
            case 'telephone':
                if (!preg_match("/^1([38][0-9]|4[579]|5[0-3,5-9]|6[6]|7[0135678]|9[89])\d{8}$/", $value))
                {
                    return '手机号格式错误';
                }

                if ($this->currentScene == 'register_by_telephone')
                {
                    $customer = model('customer')->where(['stat' => 0, 'telephone' => $value])->find();
                    if ($customer)
                    {
                        return '该手机号已存在';
                    }
                    else
                    {
                        return true;
                    }
                }
                else if ($this->currentScene == 'login')
                {
                    return true;
                }
                else
                {
                    return '验证场景不存在';
                }

                return true;
                break;
            case 'email':
                if (!preg_match("/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,})$/", $value))
                {
                    return '邮箱格式错误';
                }

                $customer = model('customer')->getBasicInfoByEmail($value);
                if ($this->currentScene == 'register_by_email')
                {
                    if ($customer)
                    {
                        // 如果场景为注册,且该手机用户存在
                        return '该邮箱已存在';
                    }
                    else
                    {
                        return true;
                    }
                }
                else
                {
                    return '验证场景不存在';
                }

            case 'password':
                if ($this->currentScene == 'login')
                {
                    $customer = model('customer')->where(['stat' => 0, 'telephone' => $telephone])->find();
                    if (empty($customer))
                    {
                        return '手机号未注册';
                    }

                    if ($customer['password'] != md5($value))
                    {
                        return '手机号或密码错误';
                    }

                    return true;    
                }

                if (!preg_match("/^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{8,20}$/", $value))
                {
                    return '密码必须包含8-20个字符,且包含数字和字母';
                }
                
                return true;
                break;
            case 'new_telephone':
                if (!preg_match("/^1([38][0-9]|4[579]|5[0-3,5-9]|6[6]|7[0135678]|9[89])\d{8}$/", $value))
                {
                    return '手机号格式错误';
                }

                $customer = model('customer')->where(['stat' => 0, 'telephone' => $value])->find();
                if (!empty($customer))
                {
                    return '改手机号已被注册';
                }

                return true;
                break;
            default:

                break;
        }
    }

}