from django import forms
from django.contrib import admin
from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
from django.contrib.auth.forms import ReadOnlyPasswordHashField
from django.contrib.auth.models import Group

from .models import Team, TeamUser


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

    class Meta:
        model = TeamUser
        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 ValueError("Passwords don't match")
        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 TeamUserChangeForm(forms.ModelForm):
    """A form for updating users. Includes all the fields on
    the user, but replaces the password field with admin's
    disabled password hash display field.
    """

    password = ReadOnlyPasswordHashField()

    class Meta:
        model = TeamUser
        fields = (
            "email",
            "password",
            "first_name",
            "last_name",
            "is_active",
            "is_admin",
        )


class TeamUserAdmin(BaseUserAdmin):
    form = TeamUserChangeForm
    add_form = TeamUserCreationForm

    list_display = ("email", "first_name", "last_name", "designation", "is_admin")
    list_filter = ("is_admin",)
    fieldsets = (
        (None, {"fields": ("email", "password")}),
        (
            "Personal info",
            {
                "fields": (
                    "first_name",
                    "last_name",
                    "designation",
                    "dapsy",
                    "team",
                    "lead_for",
                )
            },
        ),
        ("Permissions", {"fields": ("is_admin",)}),
    )
    add_fieldsets = (
        (
            None,
            {
                "classes": ("wide",),
                "fields": (
                    "email",
                    "first_name",
                    "last_name",
                    "password1",
                    "password2",
                ),
            },
        ),
    )
    search_fields = ("email",)
    ordering = ("email",)
    filer_horizontal = ()


admin.site.register(TeamUser, TeamUserAdmin)
admin.site.register(Team)
admin.site.unregister(Group)