from django import forms
from django.contrib import admin
from django.contrib.auth.admin import UserAdmin
from django.contrib.auth.forms import UserCreationForm, UserChangeForm
from django.contrib.auth.forms import ReadOnlyPasswordHashField
# Register your models here.
from .models import BlogUser


class BlogUserCreationForm(forms.ModelForm):
    password1 = forms.CharField(label='密码', widget=forms.PasswordInput)
    password2 = forms.CharField(label='再次输入密码', widget=forms.PasswordInput)

    class Meta:
        model = BlogUser
        fields = ('email',)

    def clean_password2(self):
        # Check that the two password entries match
        password1 = self.cleaned_data.get("password1")
        password2 = self.cleaned_data.get("password2")
        if password1 and password2 and password1 != password2:
            raise forms.ValidationError("两次密码不一致")
        return password2

    def save(self, commit=True):
        # Save the provided password in hashed format
        user = super().save(commit=False)
        user.set_password(self.cleaned_data["password1"])
        if commit:
            user.save()
        return user


class BlogUserChangeForm(forms.ModelForm):
    password = ReadOnlyPasswordHashField
    email = forms.EmailField(label="Email", widget=forms.EmailInput)

    class Meta:
        model = BlogUser
        fields = ('email', 'password', 'is_active')

    def clean_password(self):
        # Regardless of what the user provides, return the initial value.
        # This is done here, rather than on the field, because the
        # field does not have access to the initial value
        return self.initial["password"]


class BlogUserAdmin(UserAdmin):
    form = BlogUserChangeForm
    add_form = BlogUserCreationForm
    list_display = ('id', 'nickname', 'username', 'email', 'last_login', 'date_joined')
    list_display_links = ('id', 'username')
    ordering = ('-id',)