<?php
namespace app\mobile\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'],
        ['repassword', 'require|confirm:password', '请确认您的密码|两次密码不一致'],
    ];

    protected $scene = [
        'register'  => ['telephone', 'firstname', 'password', 'repassword'],
        'login'     => ['telephone', 'password'],
        'change_pwd'    => ['telephone', 'password', 'repassword']
    ];

    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 '手机号错误';
                }

                $user = model('customer')->where(['stat' => 0, 'telephone' => $value])->find();
                if ($this->currentScene == 'register') {
                    if ($user) {
                        // 如果场景为注册,且该手机用户存在
                        return '该手机号已存在';
                    } else {
                        return true;
                    }
                }elseif ($this->currentScene == 'login' || $this->currentScene == 'change_pwd') {
                    if (!$user) {
                        // 如果场景为登录或者修改密码,且找不到该手机用户
                        return '该手机号不存在';
                    } else {
                        return true;
                    }
                }else {
                    return '验证场景不存在';
                }

                return true;
                break;
            case 'password':
                if ($this->currentScene != 'login') {
                    if (!preg_match("/^(?![0-9]+$)(?![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';
                    } else {
                        return true;
                    }
                }

                $user = model('customer')->where(['stat' => 0, 'telephone' => $telephone])->find();
                if (!$user || $user['password'] != md5($value)) {
                    return '密码错误';
                }

                return true;
                break;
            default:

                break;
        }
    }

}