from django import forms

from pytask.taskapp.models import Task, Claim

class TaskCreateForm(forms.ModelForm):

    class Meta:

        model = Task

        fields = ['title', 'desc', 'tags_field', 'credits']

    publish = forms.BooleanField(required=False)

def AddMentorForm(choices,instance=None):

    """ return a form object with appropriate choices """

    class myform(forms.Form):

        mentor = forms.ChoiceField(choices=choices, required=True)

    form = myform(instance=instance) if instance else myform()

    return form

class ClaimTaskForm(forms.ModelForm):

    class Meta:

        model = Claim

        fields = ['message']

def ChoiceForm(choices):

    """ return a form object with appropriate choices """

    class myform(forms.Form):

        choice = forms.ChoiceField(choices=choices, required=True)

    form = myform()

    return form

def AddTaskForm(task_choices, is_plain=False):

    """ if is_plain is true, it means the task has no subs/deps.

    so we also give a radio button to choose between subs and dependencies.

    else we only give choices.

    """

    class myForm(forms.Form):

        if is_plain:

            type_choices = [('S','Subtasks'),('D','Dependencies')]

            type = forms.ChoiceField(type_choices, widget=forms.RadioSelect)

        task = forms.ChoiceField(choices=task_choices)

    return myForm()

def AssignCreditForm(choices, instance=None):

    class myForm(forms.Form):

        user = forms.ChoiceField(choices=choices, required=True)

    return myForm(instance) if instance else myForm()

def RemoveUserForm(choices, instance=None):

    class myForm(forms.Form):

        user = forms.ChoiceField(choices=choices, required=True)

        reason = forms.CharField(min_length=1, required=True)

    return myForm(instance) if instance else myForm()