import string
from datetime import date

import django.forms as forms
from django.forms import ModelForm
from django.forms.models import modelformset_factory
from django.contrib.admin.widgets import AdminDateWidget

#from tinymce.widgets import TinyMCE

from troggle.core.models.troggle import Person, PersonExpedition, Expedition
from troggle.core.models.caves import Cave, LogbookEntry, QM, Entrance, CaveAndEntrance

'''These are all the Forms used by troggle
Some are not used and need renovating or destroying.
'''

class CaveForm(ModelForm):
    underground_description = forms.CharField(required = False, widget=forms.Textarea())
    explorers = forms.CharField(required = False, widget=forms.Textarea())
    equipment = forms.CharField(required = False, widget=forms.Textarea())
    survey = forms.CharField(required = False, widget=forms.Textarea())
    kataster_status = forms.CharField(required = False, widget=forms.Textarea())
    underground_centre_line = forms.CharField(required = False, widget=forms.Textarea())
    notes = forms.CharField(required = False, widget=forms.Textarea())
    references = forms.CharField(required = False, widget=forms.Textarea())
    url = forms.CharField(required = True) 
    class Meta:
        model = Cave
        exclude = ("filename",)


    def clean(self):
        if self.cleaned_data.get("kataster_number") == "" and self.cleaned_data.get("unofficial_number") == "":
            self._errors["unofficial_number"] = self.error_class(["Either the kataster or unoffical number is required."]) 
        if self.cleaned_data.get("kataster_number") != "" and self.cleaned_data.get("official_name") == "":
            self._errors["official_name"] = self.error_class(["This field is required when there is a kataster number."]) 
        if self.cleaned_data.get("area") == []:
            self._errors["area"] = self.error_class(["This field is required."])
        if self.cleaned_data.get("url") and self.cleaned_data.get("url").startswith("/"):
            self._errors["url"] = self.error_class(["This field can not start with a /."])
        return self.cleaned_data

class VersionControlCommentForm(forms.Form):
    description_of_change = forms.CharField(required = True, widget=forms.Textarea())


class EntranceForm(ModelForm):
    #underground_description = forms.CharField(required = False, widget=TinyMCE(attrs={'cols': 80, 'rows': 30}))
    #explorers = forms.CharField(required = False, widget=TinyMCE(attrs={'cols': 80, 'rows': 10}))
    #equipment = forms.CharField(required = False, widget=TinyMCE(attrs={'cols': 80, 'rows': 10}))
    #survey = forms.CharField(required = False, widget=TinyMCE(attrs={'cols': 80, 'rows': 10}))
    #kataster_status = forms.CharField(required = False, widget=TinyMCE(attrs={'cols': 80, 'rows': 10}))
    #underground_centre_line = forms.CharField(required = False, widget=TinyMCE(attrs={'cols': 80, 'rows': 10}))
    #notes = forms.CharField(required = False, widget=TinyMCE(attrs={'cols': 80, 'rows': 10}))
    #references = forms.CharField(required = False, widget=TinyMCE(attrs={'cols': 80, 'rows': 10}))
    other_station = forms.CharField(required=False) # Trying to change this to a single line entry
    tag_station = forms.CharField(required=False) # Trying to change this to a single line entry
    exact_station = forms.CharField(required=False) # Trying to change this to a single line entry
    northing = forms.CharField(required=False) # Trying to change this to a single line entry
    easting = forms.CharField(required=False) # Trying to change this to a single line entry
    alt = forms.CharField(required=False) # Trying to change this to a single line entry
    class Meta:
        model = Entrance
        exclude = ("cached_primary_slug", "filename",)
    def clean(self):
        if self.cleaned_data.get("url").startswith("/"):
            self._errors["url"] = self.error_class(["This field can not start with a /."])
        return self.cleaned_data


# This next is called from the templates/edit_cave2.html template.
# This is sufficeint to create an entire entry for for the cave fields automatically
# http://localhost:8000/cave/new/
# using django built-in stuff: 
CaveAndEntranceFormSet = modelformset_factory(CaveAndEntrance, exclude=('cave',))

class EntranceLetterForm(ModelForm):
    class Meta:
        model = CaveAndEntrance
        exclude = ('cave', 'entrance')


def getTripForm(expedition):

    class TripForm(forms.Form):
        date = forms.DateField()
        title = forms.CharField(max_length=200)
        caves = sorted([cave.reference() for cave in Cave.objects.all()])
        caves = ["-----"] + caves
        cave = forms.ChoiceField([(c, c) for c in caves], required=False)
        location = forms.CharField(max_length=200, required=False) 
        caveOrLocation = forms.ChoiceField([("cave", "Cave"), ("location", "Location")], widget = forms.widgets.RadioSelect())
#        html = forms.CharField(widget=TinyMCE(attrs={'cols': 80, 'rows': 30})) 
        html = forms.CharField(widget=forms.Textarea(attrs={"cols":80, "rows":20}))

        def clean(self):
            print((dir(self)))
            if self.cleaned_data.get("caveOrLocation") == "cave" and not self.cleaned_data.get("cave"):
                self._errors["cave"] = self.error_class(["This field is required"]) 
            if self.cleaned_data.get("caveOrLocation") == "location" and not self.cleaned_data.get("location"):
                self._errors["location"] = self.error_class(["This field is required"]) 
            return self.cleaned_data
  
    class PersonTripForm(forms.Form):
        names = sorted([get_name(pe) for pe in PersonExpedition.objects.filter(expedition = expedition)])
        names = ["-----"] + names
        name = forms.ChoiceField([(n, n) for n in names])
        TU = forms.FloatField(required=False)
        author = forms.BooleanField(required=False, default=False)

    PersonTripFormSet = formset_factory(PersonTripForm, extra=1)

    return PersonTripFormSet, TripForm
    
def get_name(pe):
            if pe.nickname:
                return pe.nickname
            else:
                return pe.person.first_name

class UploadFileForm(forms.Form):
    """Only called by views.others.newFile() whhich seems to be only about logbook files.
    """
    # Because this has EXECUTABLE statements in its signature (the fields) they get
    # executed when this module is LOADED. Which barfs horribly.
    # so all replaced by an __init__ method instead.
    def __init__(self):
        title = forms.CharField(max_length=50)
        file  = forms.FileField()
        #html = forms.CharField(widget=TinyMCE(attrs={'cols': 80, 'rows': 30}))
        html = forms.CharField(widget=forms.Textarea(attrs={"cols":80, "rows":20}))
        lon_utm = forms.FloatField(required=False)
        lat_utm = forms.FloatField(required=False)
        slug = forms.CharField(max_length=50)
        date = forms.DateField(required=False)

        #This next line is the one that causes django.setup() to BARF LOUDLY
        caves = [cave.slug for cave in Cave.objects.all()]
        #caves.sort() # sort needs rewriting for python3
        caves = ["-----"] + caves
        cave = forms.ChoiceField([(c, c) for c in caves], required=False)

        entrance = forms.ChoiceField([("-----", "Please select a cave"), ], required=False) 
        qm = forms.ChoiceField([("-----", "Please select a cave"), ], required=False) 

        expeditions = [e.year for e in Expedition.objects.all()]
        expeditions.sort()
        expeditions = ["-----"] + expeditions
        expedition = forms.ChoiceField([(e, e) for e in expeditions], required=False)  

        logbookentry = forms.ChoiceField([("-----", "Please select an expedition"), ], required=False) 

        person = forms.ChoiceField([("-----", "Please select an expedition"), ], required=False) 

        survey_point = forms.CharField()