from django.forms import (
    Form,
    ModelForm,
    ModelMultipleChoiceField,
    ModelChoiceField,
    ChoiceField,
    CharField,
    HiddenInput,
)
from django.forms import inlineformset_factory

from generic.models import CidUser, CidUserGroup, Examination, QuestionNote

from django.contrib.admin.widgets import FilteredSelectMultiple
from django.forms.widgets import RadioSelect, TextInput, Textarea

from rapids.models import Rapid
from anatomy.models import AnatomyQuestion
from longs.models import Long

from django.shortcuts import render, get_object_or_404, redirect

from django.contrib.contenttypes.models import ContentType


from physics.models import CidUserAnswer as PhysicsCidUserAnswer, Question
from physics.models import Exam as PhysicsExam
from physics.models import Question as SbasQuestion

from anatomy.models import CidUserAnswer as AnatomyCidUserAnswer
from anatomy.models import Exam as AnatomyExam
from anatomy.models import AnatomyQuestion
from anatomy.models import Answer as AnatomyAnswer

from rapids.models import CidUserAnswer as RapidsCidUserAnswer
from rapids.models import Exam as RapidsExam
from rapids.models import Rapid
from rapids.models import Answer as RapidAnswer

from longs.models import CidUserAnswer as LongsCidUserAnswer
from longs.models import Exam as LongsExam
from longs.models import Long

from sbas.models import CidUserAnswer as SbasCidUserAnswer
from sbas.models import Exam as SbasExam
from sbas.models import Question as SbasQuestion

class ExaminationForm(ModelForm):
    class Meta:
        model = Examination
        fields = ["examination"]


class QuestionNoteForm(ModelForm):
    class Meta:
        model = QuestionNote
        fields = ["content_type", "object_id", "author", "note_type", "note"]
        widgets = {"content_type": HiddenInput(), "object_id": HiddenInput()}

    def __init__(self, *args, **kwargs):
        question_type = kwargs.pop("question_type")
        pk = kwargs.pop("pk")
        user = kwargs.pop("user")

        # if question_type == "rapid":
        #    question = Rapid
        #    content_type = ContentType.objects.get(model="rapid")
        # elif question_type == "anatomy":
        #    question = AnatomyQuestion
        #    content_type = ContentType.objects.get(model="anatomyquestion")
        # elif question_type == "long":
        #    question = Long
        #    content_type = ContentType.objects.get(model="long")
        # else:
        #    raise PermissionError()

        # get_object_or_404(question, pk=pk)
        # We get the 'initial' keyword argument or initialize it
        # as a dict if it didn't exist.
        # if kwargs.get("instance"):
        ModelForm.__init__(self, *args, **kwargs)
        super(QuestionNoteForm, self).__init__(*args, **kwargs)

        # initial = kwargs.setdefault("initial", {})
        ## The widget for a ModelMultipleChoiceField expects
        ## a list of primary key for the selected data.
        ##initial["content_type"] = question
        ##initial["content_id"] = pk
        # self.fields["content_type"].initial = content_type
        # self.fields["object_id"].initial = pk


class CidUserForm(ModelForm):

    def __init__(self, *args, **kwargs):
        if kwargs.get("instance"):
            # We get the 'initial' keyword argument or initialize it
            # as a dict if it didn't exist.
            initial = kwargs.setdefault("initial", {})
            # The widget for a ModelMultipleChoiceField expects
            # a list of primary key for the selected data.
            initial["physics_exams"] = [t.pk for t in kwargs["instance"].physics_exams.all()]
            initial["anatomy_exams"] = [t.pk for t in kwargs["instance"].anatomy_exams.all()]
            initial["sba_exams"] = [t.pk for t in kwargs["instance"].sba_exams.all()]
            initial["rapid_exams"] = [t.pk for t in kwargs["instance"].rapid_exams.all()]
            initial["longs_exams"] = [t.pk for t in kwargs["instance"].longs_exams.all()]

        ModelForm.__init__(self, *args, **kwargs)

        super(CidUserForm, self).__init__(*args, **kwargs)

        self.fields["physics_exams"] = ModelMultipleChoiceField(
            required=False,
            queryset=PhysicsExam.objects.filter(archive=False),
            widget=FilteredSelectMultiple(verbose_name="Physics Exams", is_stacked=False),
        )
        self.fields["anatomy_exams"] = ModelMultipleChoiceField(
            required=False,
            queryset=AnatomyExam.objects.filter(archive=False),
            widget=FilteredSelectMultiple(verbose_name="Anatomy Exams", is_stacked=False),
        )
        self.fields["sba_exams"] = ModelMultipleChoiceField(
            required=False,
            queryset=SbasExam.objects.filter(archive=False),
            widget=FilteredSelectMultiple(verbose_name="SBA Exams", is_stacked=False),
        )
        self.fields["rapid_exams"] = ModelMultipleChoiceField(
            required=False,
            queryset=RapidsExam.objects.filter(archive=False),
            widget=FilteredSelectMultiple(verbose_name="Rapid Exams", is_stacked=False),
        )
        self.fields["longs_exams"] = ModelMultipleChoiceField(
            required=False,
            queryset=LongsExam.objects.filter(archive=False),
            widget=FilteredSelectMultiple(verbose_name="Long Exams", is_stacked=False),
        )

    def save(self, commit=True):
        # Get the unsaved Long instance
        instance = ModelForm.save(self, False)

        # Prepare a 'save_m2m' method for the form,
        old_save_m2m = self.save_m2m

        def save_m2m():
            old_save_m2m()
            instance.physics_exams.clear()
            for physics_exams in self.cleaned_data["physics_exams"]:
                instance.physics_exams.add(physics_exams.pk)
            instance.anatomy_exams.clear()
            for anatomy_exams in self.cleaned_data["anatomy_exams"]:
                instance.anatomy_exams.add(anatomy_exams.pk)
            instance.sba_exams.clear()
            for sba_exams in self.cleaned_data["sba_exams"]:
                instance.sba_exams.add(sba_exams.pk)
            instance.rapid_exams.clear()
            for rapid_exams in self.cleaned_data["rapid_exams"]:
                instance.rapid_exams.add(rapid_exams.pk)
            instance.anatomy_exams.clear()
            for longs_exams in self.cleaned_data["longs_exams"]:
                instance.longs_exams.add(longs_exams.pk)

        self.save_m2m = save_m2m

        # Do we need to save all changes now?
        # if commit:
        instance.save()
        self.save_m2m()

        return instance
    
    class Meta:
        model = CidUser
        fields = [
            "passcode",
            "active",
            "internal_candidate",
            "name",
            "email",
            "supervisor_email",
            "login_email_sent",
            "results_email_sent",
            "group",
        ]

class CidUserGroupForm(ModelForm):
    class Meta:
        model = CidUserGroup
        fields = ["name", "archive"]