from django.forms import ModelForm
from models import Cave, Person, PersonExpedition, LogbookEntry, QM, Expedition
import django.forms as forms
from django.forms.formsets import formset_factory
from django.contrib.admin.widgets import AdminDateWidget
import string
from datetime import date
from tinymce.widgets import TinyMCE

class CaveForm(ModelForm):
    class Meta:
        model = Cave

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()

def getTripForm(expedition):

    class TripForm(forms.Form):
        date = forms.DateField()
        title = forms.CharField(max_length=200)
        caves = [cave.reference() for cave in Cave.objects.all()]
        caves.sort()
        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})) 

        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 = [get_name(pe) for pe in PersonExpedition.objects.filter(expedition = expedition)]
        names.sort()
        names = ["-----"] + names
        name = forms.ChoiceField([(n, n) for n in names])
        TU = forms.FloatField(required=False)
        author = forms.BooleanField(required=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):
    title = forms.CharField(max_length=50)
    file  = forms.FileField()
    html = forms.CharField(widget=TinyMCE(attrs={'cols': 80, 'rows': 30}))
    lon_utm = forms.FloatField(required=False)
    lat_utm = forms.FloatField(required=False)
    slug = forms.CharField(max_length=50)
    date = forms.DateField(required=False)

    caves = [cave.slug for cave in Cave.objects.all()]
    caves.sort()
    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()