# Create your views here.

class RegForm(forms.Form):

    username = forms.CharField(

        min_length=3,

        label="用户名",

        help_text='',

        error_messages={

            "required": "不能为空",

            "invalid": "格式错误",

            "min_length": "用户名最短8位"

        }

    )

    password = forms.CharField(

        min_length=3,

        label="密码",

        help_text='6~16个字符，区分大小写',

        error_messages={

            "required": "不能为空",

            "invalid": "格式错误",

        },

        widget=forms.widgets.PasswordInput

    )

    re_password = forms.CharField(

        min_length=3,

        label="确认密码",

        help_text='请再次填写密码',

        error_messages={

            "required": "不能为空",

            "invalid": "格式错误",

        },

        widget=forms.widgets.PasswordInput)

    gender = forms.fields.ChoiceField(

        choices=((1, "男"), (2, "女"), (3, "保密")),

        label="性别",

        initial=3,

        widget=forms.widgets.RadioSelect

    )

    phone = forms.fields.CharField(

        label="电话",

        error_messages={

            "required": "不能为空",

        },

    )

    email = forms.fields.CharField(

        label='邮箱',

        help_text='6~18个字符，可使用字母、数字、下划线',

        widget=forms.widgets.EmailInput,

        error_messages={

            "required": "不能为空",

            "invalid": "格式错误",

        },

    )

    # 批量给form表单里的字段加样式

    def __init__(self, *args, **kwargs):

        super().__init__(*args, **kwargs)

        for field in iter(self.fields):

            field_obj = self.fields[field]

            if not isinstance(field_obj, forms.fields.ChoiceField):

                field_obj.widget.attrs.update({'class': 'form-control'})

    # 全局钩子，此处用来判断两次输入的密码

    def clean(self):

        pwd = self.cleaned_data.get('pwd')

        re_pwd = self.cleaned_data.get('re_pwd')

        if pwd != re_pwd:

            self.add_error('re_pwd', '两次密码不一致')

            raise ValidationError('两次密码不一致')

        else:

            return self.cleaned_data

    # 局部钩子函数，写给phone的校验函数

    def clean_phone(self):

        phone = self.cleaned_data.get('phone')

        if not re.findall('^1[0-9]{10}$', phone):

            raise ValidationError("格式错误！")

        else:

            return phone