from django.core import mail
from django import forms
from django.contrib.auth.models import Group, User

from tinymce import TinyMCE

from newsletters.models import Subscriber
from .models import Attorney, Position
from OACPL import settings
from OACPL.utils import render_to_string


class RegisterForm(forms.ModelForm):
    def email_validator(self):
        if User.objects.filter(email=self).exists():
            raise forms.ValidationError('This email is already registered')

    def password_length(self):
        if len(self) < 8:
            raise forms.ValidationError('Password must be at least 8 characters long')

    biography = forms.CharField(widget=forms.Textarea, required=False, label='Biography')
    call_to_bar = forms.CharField(max_length=4, required=False, label='Year of Call to Bar')
    case_law = forms.BooleanField(initial=True, required=False)
    email = forms.EmailField(max_length=255, validators=[email_validator])
    lso = forms.CharField(max_length=20, required=False, label='LSO #')
    newsletter = forms.BooleanField(initial=True, required=False)
    request_training = forms.CharField(max_length=255, required=False, label='Request Training For...')
    password1 = forms.CharField(widget=forms.PasswordInput(), validators=[password_length])
    password2 = forms.CharField(widget=forms.PasswordInput())
    provide_training = forms.CharField(max_length=255, required=False, label='Offer Training For...')

    class Meta:
        model = Attorney
        fields = ['first_name', 'last_name', 'region', 'password1', 'password2', 'image', 'email', 'address', 'phone', 'website', 'call_to_bar', 'lso', 'biography', 'provide_training', 'request_training', 'case_law', 'newsletter']

    def clean(self):
        cleaned_data = super().clean()
        password = cleaned_data.get('password1')
        password_confirm = cleaned_data.get('password2')
        if password != password_confirm:
            raise forms.ValidationError("The two password fields must match.")
        return cleaned_data

    def save(self, commit=True):
        # Create attorney profile
        user = super().save(commit=False)
        member = Position.objects.filter(name='Member').first()
        if member:
            user.position = member
        user.save()

        # Add user to default Group
        default_group = Group.objects.filter(name='default').first()
        if default_group:
            default_group[0].user_set.add(user)

        # Send confirmation email
        mail.send_mail('OACPL Registration', 'You have successfully registered to the Ontario Association of Child Protection Lawyers!', settings.EMAIL_HOST_USER, [user.email], html_message=render_to_string('email.html', {'content': 'You have successfully registered to the Ontario Association of Child Protection Lawyers!', 'name': user.first_name + ' ' + user.last_name, 'base_url': settings.BASE_URL}))

        # Subscribe to newsletters
        if self.cleaned_data['newsletter'] == 'on' and not Subscriber.objects.filter(email=user.email).exists():
            Subscriber.objects.create(email=user.email)

        # Send email to register@oacpl.org
        body = '{} {} ({}) has registered with OACPL. <br><br>'.format(user.first_name, user.last_name, user.email)
        if self.cleaned_data['case_law'] == 'on':
            body += 'They have request access to case law. <br><br>'
        if self.cleaned_data['provide_training']:
            body += 'They have offered to provide training for: {}. <br><br>'.format(self.cleaned_data['provide_training'])
        if self.cleaned_data['request_training']:
            body += 'They have request training for: {}. <br><br>'.format(self.cleaned_data['request_training'])
        mail.send_mail(user.first_name + ' ' + user.last_name, body.replace('<br>', ' '), settings.EMAIL_HOST_USER, ['register@oacpl.org'], html_message=render_to_string('email.html', {'content': body, 'base_url': settings.BASE_URL}))

        # Create Auth
        auth = User.objects.create_user(user.email, first_name=user.first_name, last_name=user.last_name, email=user.email, password=self.cleaned_data['password1'])
        auth.save()
        return auth