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

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')

#This was all commneted out by Martin Green in 2012 !
#class PersonForm(ModelForm):
#    class Meta:
#        model = Person

#class LogbookEntryForm(ModelForm):
#    class Meta:
#        model = LogbookEntry#

#    def wikiLinkHints(LogbookEntry=None):
#        """
#        This function returns html-formatted paragraphs for each of the
#        wikilink types that are related to this logbookentry. Each paragraph
#        contains a list of all of the related wikilinks.
#        
#        Perhaps an admin javascript solution would be better.
#        """
#        res = ["Please use the following wikilinks, which are related to this logbook entry:"]
#	
#        res.append(r'</p><p style="float: left;"><b>QMs found:</b>')
#	for QM in LogbookEntry.instance.QMs_found.all():
#            res.append(QM.wiki_link())

#        res.append(r'</p><p style="float: left;"><b>QMs ticked off:</b>')
#	for QM in LogbookEntry.instance.QMs_ticked_off.all():
#            res.append(QM.wiki_link())
	
#        res.append(r'</p><p style="float: left; "><b>People</b>')
#	for persontrip in LogbookEntry.instance.persontrip_set.all():
#            res.append(persontrip.wiki_link())
#	res.append(r'</p>')
	
#	return string.join(res, r'<br />')

#    def __init__(self, *args, **kwargs):
#	super(LogbookEntryForm, self).__init__(*args, **kwargs)
#        self.fields['text'].help_text=self.wikiLinkHints()#

#class CaveForm(forms.Form):
#    html = forms.CharField(widget=TinyMCE(attrs={'cols': 80, 'rows': 30})) 

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()