from django import forms
from django.contrib import admin
from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
from django.utils.translation import gettext_lazy as _

from .models import Account, Role


class AccountChangeForm(forms.ModelForm):
    password = forms.CharField(
        label=_("Password"),
        widget=forms.PasswordInput,
        required=False,
        help_text=_("Raw passwords are not stored, so there is no way to see this user's password.")
    )

    class Meta:
        model = Account
        fields = '__all__'

    def save(self, commit=True):
        password = self.cleaned_data.get('password')
        if password:
            self.instance.set_password(password)
        return super().save(commit=commit)


class AccountCreationForm(forms.ModelForm):
    password1 = forms.CharField(label=_("Password"), widget=forms.PasswordInput)
    password2 = forms.CharField(label=_("Password confirmation"), widget=forms.PasswordInput)

    class Meta:
        model = Account
        fields = ('login',)

    def clean_password2(self):
        password1 = self.cleaned_data.get("password1")
        password2 = self.cleaned_data.get("password2")
        if password1 and password2 and password1 != password2:
            raise forms.ValidationError(_("Passwords don't match"))
        return password2

    def save(self, commit=True):
        user = super().save(commit=False)
        user.set_password(self.cleaned_data["password1"])
        if commit:
            user.save()
        return user


@admin.register(Account)
class AccountAdmin(BaseUserAdmin):
    form = AccountChangeForm
    add_form = AccountCreationForm

    list_display = ('login', 'full_name', 'role', 'is_staff', 'is_active')
    list_filter = ('is_staff', 'is_active', 'role')
    search_fields = ('login', 'first_name', 'last_name', 'middle_name', 'phone', 'email')
    ordering = ('login',)
    filter_horizontal = ('groups', 'user_permissions')

    fieldsets = (
        (None, {'fields': ('login', 'password')}),
        (_('Personal info'), {'fields': ('first_name', 'last_name', 'middle_name', 'phone', 'email')}),
        (_('Permissions'), {
            'fields': ('is_active', 'is_staff', 'is_superuser', 'groups', 'user_permissions'),
        }),
        (_('Role'), {'fields': ('role',)}),
    )
    add_fieldsets = (
        (None, {
            'classes': ('wide',),
            'fields': ('login', 'password1', 'password2'),
        }),
    )

    @admin.display(description=_('Full name'))
    def full_name(self, obj):
        return str(obj)


@admin.register(Role)
class RoleAdmin(admin.ModelAdmin):
    list_display = ('name',)
    search_fields = ('name',)