from django.contrib.auth.tests.custom_user import CustomUserManager
from django.db import models
from django.utils import timezone
from django.utils.http import urlquote
from django.utils.translation import ugettext_lazy as _
from django.contrib.auth.models import AbstractBaseUser, BaseUserManager, PermissionsMixin
from crm import settings


class FreelancerManager(BaseUserManager):
    def create_user(self, name, skills, password=None):
        if not name:
            raise ValueError('Users must have a unique name ')

        user = self.model(
            name=self.name,
            skills=skills,
        )
        user.set_password(password)
        user.save(using=self._db)
        return user

    def create_superuser(self, name, skills, password):
        """
        Creates and saves a superuser with the given email, date of
        birth and password.
        """
        user = self.create_user(
            name,
            password=password,
            skills=skills,
        )
        user.is_admin = True
        user.save(using=self._db)
        return user


class Freelancer(AbstractBaseUser, PermissionsMixin):
    name = models.CharField(verbose_name='name',
                            max_length=20,
                            unique=True, )

    field_of_interest = models.CharField(max_length=200)
    skills = models.TextField()
    experience = models.TextField()

    is_active = models.BooleanField(default=True)
    is_admin = models.BooleanField(default=False)

    objects = FreelancerManager()

    USERNAME_FIELD = 'name'
    REQUIRED_FIELDS = ['skills']

    class Meta:
        db_table = 'auth_user'
        verbose_name = _('user')
        verbose_name_plural = _('users')

    def get_absolute_url(self):
        return "/users/%s/" % urlquote(self.name)

    def get_short_name(self):
        return self.name

    def get_full_name(self):
        return self.name

    def __str__(self):  # __unicode__ on Python 2
        return self.name

    def has_perm(self, perm, obj=None):
        # "Does the user have a specific permission?"
        # # Simplest possible answer: Yes, always
        return True

    def has_module_perms(self, applabel):
        # "Does the user have permissions to view the app `app_label`?"
        # Simplest possible answer: Yes, always
        return True

    @property
    def is_staff(self):
        # "Is the user a member of staff?"
        # "Simplest possible answer: All admins are staf"
        return self.is_admin

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


class UserCreationForm(forms.ModelForm):
    """A form for creating new users. Includes all the required
    fields, plus a repeated password."""
    password1 = forms.CharField(label='Password', widget=forms.PasswordInput)
    password2 = forms.CharField(label='Password confirmation', widget=forms.PasswordInput)

    class Meta:
        model = Freelancer
        fields = ('name', 'skills')

    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("Passwords don't match")
        return password2

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


class UserChangeForm(forms.ModelForm):
    """A form for updating users. Includes all the fields on
    the user, but replaces the password field with admin's
    password hash display field.
    """
    password = ReadOnlyPasswordHashField()

    class Meta:
        model = Freelancer
        fields = ('name', 'password', 'skills','is_admin')

    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 FreelancerAdmin(BaseUserAdmin):
    # The forms to add and change user instances
    form = UserChangeForm
    add_form = UserCreationForm

    # The fields to be used in displaying the User model.
    # These override the definitions on the base UserAdmin
    # that reference specific fields on auth.User.
    list_display = ('name', 'skills', 'is_admin')
    list_filter = ('is_admin',)
    fieldsets = (
        (None, {'fields': ('name', 'password')}),
        ('Personal info', {'fields': ('skills',)}),
        ('Permissions', {'fields': ('is_admin',)}),
    )
    # add_fieldsets is not a standard ModelAdmin attribute. UserAdmin
    # overrides get_fieldsets to use this attribute when creating a user.
    add_fieldsets = (
        (None, {
            'classes': ('wide',),
            'fields': ('name', 'skills', 'password1', 'password2')}
         ),
    )
    search_fields = ('name',)
    ordering = ('name',)
    filter_horizontal = ()


# Now register the new UserAdmin...
admin.site.register(Freelancer, FreelancerAdmin)
admin.site.unregister(Group)