import logging
from betterforms.multiform import MultiModelForm
from collections import OrderedDict

from django import forms
from django.forms.widgets import TextInput
from django.utils.dateparse import parse_duration

from .models import SpeakerProposal, EventProposal, EventTrack

logger = logging.getLogger("bornhack.%s" % __name__)


class SpeakerProposalForm(forms.ModelForm):
    """
    The SpeakerProposalForm. Takes an EventType in __init__ and changes fields accordingly.
    """
    class Meta:
        model = SpeakerProposal
        fields = ['name', 'biography', 'needs_oneday_ticket', 'submission_notes']

    def __init__(self, camp, eventtype=None, *args, **kwargs):
        # initialise the form
        super().__init__(*args, **kwargs)

        # adapt form based on EventType?
        if not eventtype:
            return

        if eventtype.name == 'Debate':
            # fix label and help_text for the name field
            self.fields['name'].label = 'Guest Name'
            self.fields['name'].help_text = 'The name of a debate guest. Can be a real name or an alias.'

            # fix label and help_text for the biograpy field
            self.fields['biography'].label = 'Guest Biography'
            self.fields['biography'].help_text = 'The biography of the guest.'

            # fix label and help_text for the submission_notes field
            self.fields['submission_notes'].label = 'Guest Notes'
            self.fields['submission_notes'].help_text = 'Private notes regarding this guest. Only visible to yourself and the BornHack organisers.'

            # no free tickets for workshops
            del(self.fields['needs_oneday_ticket'])

        elif eventtype.name == 'Lightning Talk':
            # fix label and help_text for the name field
            self.fields['name'].label = 'Speaker Name'
            self.fields['name'].help_text = 'The name of the speaker. Can be a real name or an alias.'

            # fix label and help_text for the biograpy field
            self.fields['biography'].label = 'Speaker Biography'
            self.fields['biography'].help_text = 'The biography of the speaker.'

            # fix label and help_text for the submission_notes field
            self.fields['submission_notes'].label = 'Speaker Notes'
            self.fields['submission_notes'].help_text = 'Private notes regarding this speaker. Only visible to yourself and the BornHack organisers.'

            # no free tickets for lightning talks
            del(self.fields['needs_oneday_ticket'])

        elif eventtype.name == 'Music Act':
            # fix label and help_text for the name field
            self.fields['name'].label = 'Artist Name'
            self.fields['name'].help_text = 'The name of the artist. Can be a real name or artist alias.'

            # fix label and help_text for the biograpy field
            self.fields['biography'].label = 'Artist Description'
            self.fields['biography'].help_text = 'The description of the artist.'

            # fix label and help_text for the submission_notes field
            self.fields['submission_notes'].label = 'Artist Notes'
            self.fields['submission_notes'].help_text = 'Private notes regarding this artist. Only visible to yourself and the BornHack organisers.'

            # no oneday tickets for music acts
            del(self.fields['needs_oneday_ticket'])

        elif eventtype.name == 'Recreational Event':
            # fix label and help_text for the name field
            self.fields['name'].label = 'Host Name'
            self.fields['name'].help_text = 'The name of the event host. Can be a real name or an alias.'

            # fix label and help_text for the biograpy field
            self.fields['biography'].label = 'Host Biography'
            self.fields['biography'].help_text = 'The biography of the host.'

            # fix label and help_text for the submission_notes field
            self.fields['submission_notes'].label = 'Host Notes'
            self.fields['submission_notes'].help_text = 'Private notes regarding this host. Only visible to yourself and the BornHack organisers.'

            # no oneday tickets for music acts
            del(self.fields['needs_oneday_ticket'])

        elif eventtype.name == 'Talk':
            # fix label and help_text for the name field
            self.fields['name'].label = 'Speaker Name'
            self.fields['name'].help_text = 'The name of the speaker. Can be a real name or an alias.'

            # fix label and help_text for the biograpy field
            self.fields['biography'].label = 'Speaker Biography'
            self.fields['biography'].help_text = 'The biography of the speaker.'

            # fix label and help_text for the submission_notes field
            self.fields['submission_notes'].label = 'Speaker Notes'
            self.fields['submission_notes'].help_text = 'Private notes regarding this speaker. Only visible to yourself and the BornHack organisers.'

        elif eventtype.name == 'Workshop':
            # fix label and help_text for the name field
            self.fields['name'].label = 'Host Name'
            self.fields['name'].help_text = 'The name of the workshop host. Can be a real name or an alias.'

            # fix label and help_text for the biograpy field
            self.fields['biography'].label = 'Host Biography'
            self.fields['biography'].help_text = 'The biography of the host.'

            # fix label and help_text for the submission_notes field
            self.fields['submission_notes'].label = 'Host Notes'
            self.fields['submission_notes'].help_text = 'Private notes regarding this host. Only visible to yourself and the BornHack organisers.'

            # no free tickets for workshops
            del(self.fields['needs_oneday_ticket'])

        else:
            raise ImproperlyConfigured("Unsupported event type, don't know which form class to use")


class EventProposalForm(forms.ModelForm):
    """
    The EventProposalForm. Takes an EventType in __init__ and changes fields accordingly.
    """
    class Meta:
        model = EventProposal
        fields = ['title', 'abstract', 'allow_video_recording', 'duration', 'submission_notes', 'track']

    def clean_duration(self):
        duration = self.cleaned_data['duration']
        if not duration or duration < 60 or duration > 180:
            raise forms.ValidationError("Please keep duration between 60 and 180 minutes.")
        return duration

    def clean_track(self):
        track = self.cleaned_data['track']
        # TODO: make sure the track is part of the current camp, needs camp as form kwarg to verify
        return track

    def __init__(self, camp, eventtype=None, *args, **kwargs):
        # initialise form
        super().__init__(*args, **kwargs)

        # disable the empty_label for the track select box
        self.fields['track'].empty_label = None
        self.fields['track'].queryset = EventTrack.objects.filter(camp=camp)

        # make sure video_recording checkbox defaults to checked
        self.fields['allow_video_recording'].initial = True

        if eventtype.name == 'Debate':
            # fix label and help_text for the title field
            self.fields['title'].label = 'Title of debate'
            self.fields['title'].help_text = 'The title of this debate'

            # fix label and help_text for the abstract field
            self.fields['abstract'].label = 'Description'
            self.fields['abstract'].help_text = 'The description of this debate'

            # fix label and help_text for the submission_notes field
            self.fields['submission_notes'].label = 'Debate Act Notes'
            self.fields['submission_notes'].help_text = 'Private notes regarding this debate. Only visible to yourself and the BornHack organisers.'

            # better placeholder text for duration field
            self.fields['duration'].widget.attrs['placeholder'] = 'Debate Duration (minutes)'

        elif eventtype.name == 'Music Act':
            # fix label and help_text for the title field
            self.fields['title'].label = 'Title of music act'
            self.fields['title'].help_text = 'The title of this music act/concert/set.'

            # fix label and help_text for the abstract field
            self.fields['abstract'].label = 'Description'
            self.fields['abstract'].help_text = 'The description of this music act'

            # fix label and help_text for the submission_notes field
            self.fields['submission_notes'].label = 'Music Act Notes'
            self.fields['submission_notes'].help_text = 'Private notes regarding this music act. Only visible to yourself and the BornHack organisers.'

            # no video recording for music acts
            del(self.fields['allow_video_recording'])

            # better placeholder text for duration field
            self.fields['duration'].widget.attrs['placeholder'] = 'Duration (minutes)'

        elif eventtype.name == 'Recreational Event':
            # fix label and help_text for the title field
            self.fields['title'].label = 'Event Title'
            self.fields['title'].help_text = 'The title of this recreational event'

            # fix label and help_text for the abstract field
            self.fields['abstract'].label = 'Event Abstract'
            self.fields['abstract'].help_text = 'The description/abstract of this recreational event.'

            # fix label and help_text for the submission_notes field
            self.fields['submission_notes'].label = 'Event Notes'
            self.fields['submission_notes'].help_text = 'Private notes regarding this recreational event. Only visible to yourself and the BornHack organisers.'

            # no video recording for music acts
            del(self.fields['allow_video_recording'])

            # better placeholder text for duration field
            self.fields['duration'].label = 'Event Duration'
            self.fields['duration'].widget.attrs['placeholder'] = 'Duration (minutes)'

        elif eventtype.name == 'Talk' or eventtype.name == 'Lightning Talk':
            # fix label and help_text for the title field
            self.fields['title'].label = 'Title of Talk'
            self.fields['title'].help_text = 'The title of this talk/presentation.'

            # fix label and help_text for the abstract field
            self.fields['abstract'].label = 'Abstract of Talk'
            self.fields['abstract'].help_text = 'The description/abstract of this talk/presentation. Explain what the audience will experience.'

            # fix label and help_text for the submission_notes field
            self.fields['submission_notes'].label = 'Talk Notes'
            self.fields['submission_notes'].help_text = 'Private notes regarding this talk. Only visible to yourself and the BornHack organisers.'

            # no duration for talks
            del(self.fields['duration'])

        elif eventtype.name == 'Workshop':
            # fix label and help_text for the title field
            self.fields['title'].label = 'Workshop Title'
            self.fields['title'].help_text = 'The title of this workshop.'

            # fix label and help_text for the submission_notes field
            self.fields['submission_notes'].label = 'Workshop Notes'
            self.fields['submission_notes'].help_text = 'Private notes regarding this workshop. Only visible to yourself and the BornHack organisers.'

            # fix label and help_text for the abstract field
            self.fields['abstract'].label = 'Workshop Abstract'
            self.fields['abstract'].help_text = 'The description/abstract of this workshop. Explain what the participants will learn.'

            # no video recording for workshops
            del(self.fields['allow_video_recording'])

            # duration field
            self.fields['duration'].label = 'Workshop Duration'
            self.fields['duration'].help_text = 'How much time (in minutes) should we set aside for this workshop? Please keep it between 60 and 180 minutes (1-3 hours).'

        else:
            raise ImproperlyConfigured("Unsupported event type, don't know which form class to use")