from troggle.core.models import Cave, CaveAndEntrance, Survey, Expedition, QM, CaveDescription, Entrance, Area
from troggle.core.forms import CaveForm, CaveAndEntranceFormSet, VersionControlCommentForm, EntranceForm
import troggle.core.models as models
import troggle.settings as settings
from troggle.helper import login_required_if_public

from django.forms.models import modelformset_factory
from django import forms
from django.core.urlresolvers import reverse
from utils import render_with_context # see views_logbooks for explanation on this.
from django.http import HttpResponseRedirect
from django.conf import settings
import re, urlparse
from django.shortcuts import get_object_or_404

def getCave(cave_id):
    """Returns a cave object when given a cave name or number. It is used by views including cavehref, ent, and qm."""
    try:
        cave = Cave.objects.get(kataster_number=cave_id)
    except Cave.DoesNotExist:
        cave = Cave.objects.get(unofficial_number=cave_id)
    return cave

def pad5(x):
   return "0" * (5 -len(x.group(0))) + x.group(0) 
def padnumber(x):
   return re.sub("\d+", pad5, x)
def numericalcmp(x, y):
   return cmp(padnumber(x), padnumber(y))



def caveCmp(x, y): 
    if x.kataster_number:
      if y.kataster_number:
        return numericalcmp(x.kataster_number, y.kataster_number) # Note that cave kataster numbers are not generally integers.
      else:
        return -1
    else:
      if y.kataster_number:
        return 1
      else:        
        return numericalcmp(x.unofficial_number, y.unofficial_number)

def caveindex(request):
    caves = Cave.objects.all()
    notablecavehrefs = [ "161", "204", "258", "76" ]  # could detect notability by trips and notability of people who have been down them
    notablecaves = [Cave.objects.get(kataster_number=kataster_number)  for kataster_number in notablecavehrefs ]
    caves1623 = list(Cave.objects.filter(area__short_name = "1623"))
    caves1626 = list(Cave.objects.filter(area__short_name = "1626"))
    caves1623.sort(caveCmp)
    caves1626.sort(caveCmp)
    return render_with_context(request,'caveindex.html', {'caves1623': caves1623, 'caves1626': caves1626, 'notablecaves':notablecaves, 'cavepage': True})

def cave(request, cave_id='', offical_name=''):
    cave=getCave(cave_id)
    if cave.non_public and settings.PUBLIC_SITE and not request.user.is_authenticated():
        return render_with_context(request,'nonpublic.html', {'instance': cave, 'cavepage': True})
    else:
        return render_with_context(request,'cave.html', {'cave': cave, 'cavepage': True})

def caveEntrance(request, slug):
    cave = Cave.objects.get(caveslug__slug = slug)
    if cave.non_public and settings.PUBLIC_SITE and not request.user.is_authenticated():
        return render_with_context(request,'nonpublic.html', {'instance': cave})
    else:
        return render_with_context(request,'cave_entrances.html', {'cave': cave})

def caveDescription(request, slug):
    cave = Cave.objects.get(caveslug__slug = slug)
    if cave.non_public and settings.PUBLIC_SITE and not request.user.is_authenticated():
        return render_with_context(request,'nonpublic.html', {'instance': cave})
    else:
        return render_with_context(request,'cave_uground_description.html', {'cave': cave})
def caveQMs(request, slug):
    cave = Cave.objects.get(caveslug__slug = slug)
    if cave.non_public and settings.PUBLIC_SITE and not request.user.is_authenticated():
        return render_with_context(request,'nonpublic.html', {'instance': cave})
    else:
        return render_with_context(request,'cave_qms.html', {'cave': cave})
def caveLogbook(request, slug):
    cave = Cave.objects.get(caveslug__slug = slug)
    if cave.non_public and settings.PUBLIC_SITE and not request.user.is_authenticated():
        return render_with_context(request,'nonpublic.html', {'instance': cave})
    else:
        return render_with_context(request,'cave_logbook.html', {'cave': cave})

def caveSlug(request, slug):
    cave = Cave.objects.get(caveslug__slug = slug)
    if cave.non_public and settings.PUBLIC_SITE and not request.user.is_authenticated():
        return render_with_context(request,'nonpublic.html', {'instance': cave, 'cave_editable': slug})
    else:
        return render_with_context(request,'cave.html', {'cave': cave, 'cave_editable': slug})

@login_required_if_public
def edit_cave(request, slug=None):
    cave = Cave.objects.get(caveslug__slug = slug)
    if request.POST:
        form = CaveForm(request.POST, instance=cave)
        ceFormSet = CaveAndEntranceFormSet(request.POST)
        versionControlForm = VersionControlCommentForm(request.POST)
        if form.is_valid() and ceFormSet.is_valid() and versionControlForm.is_valid():
            cave = form.save()
            ceinsts = ceFormSet.save(commit=False)
            for ceinst in ceinsts:
                ceinst.cave = cave
                ceinst.save()
            cave.writeDataFile()
            return HttpResponseRedirect("/" + cave.url)    
    else:
        form = CaveForm(instance=cave)
        ceFormSet = CaveAndEntranceFormSet(queryset=cave.caveandentrance_set.all())
        versionControlForm = VersionControlCommentForm()
        
    return render_with_context(request, 
                               'editcave2.html', 
                               {'form': form,
                                'caveAndEntranceFormSet': ceFormSet,
                                'versionControlForm': versionControlForm
                                })

@login_required_if_public
def editEntrance(request, slug=None):
    entrance = Entrance.objects.get(entranceslug__slug = slug)
    if request.POST:
        form = EntranceForm(request.POST, instance = entrance)
        versionControlForm = VersionControlCommentForm(request.POST)
        if form.is_valid() and versionControlForm.is_valid():
            entrance = form.save()
            entrance.writeDataFile()
            return HttpResponseRedirect("/" + entrance.url) 
    else:
        form = EntranceForm(instance = entrance)
        versionControlForm = VersionControlCommentForm()
        
    return render_with_context(request, 
                               'editentrance.html', 
                               {'form': form,
                                'versionControlForm': versionControlForm
                                })

def qm(request,cave_id,qm_id,year,grade=None):
    year=int(year)
    try:
        qm=getCave(cave_id).get_QMs().get(number=qm_id,found_by__date__year=year)
        return render_with_context(request,'qm.html',locals())

    except QM.DoesNotExist:
        url=urlparse.urljoin(settings.URL_ROOT, r'/admin/core/qm/add/'+'?'+  r'number=' + qm_id)
        if grade:
            url += r'&grade=' + grade
        return HttpResponseRedirect(url)
    


def ent(request, cave_id, ent_letter):
    cave = Cave.objects.filter(kataster_number = cave_id)[0]
    cave_and_ent = CaveAndEntrance.objects.filter(cave = cave).filter(entrance_letter = ent_letter)[0]
    return render_with_context(request,'entrance.html', {'cave': cave,
                                                'entrance': cave_and_ent.entrance,
                                                'letter': cave_and_ent.entrance_letter,})

def entranceSlug(request, slug):
    entrance = Entrance.objects.get(entranceslug__slug = slug)
    if entrance.non_public and not request.user.is_authenticated():
        return render_with_context(request,'nonpublic.html', {'instance': entrance})
    else:
        return render_with_context(request,'entranceslug.html', {'entrance': entrance})

def survexblock(request, survexpath):
    survexpath = re.sub("/", ".", survexpath)
    print "jjjjjj", survexpath
    survexblock = models.SurvexBlock.objects.get(survexpath=survexpath)
    #ftext = survexblock.filecontents()
    ftext = survexblock.text
    return render_with_context(request,'survexblock.html', {'survexblock':survexblock, 'ftext':ftext, })

def surveyindex(request):
    surveys=Survey.objects.all()
    expeditions=Expedition.objects.order_by("-year")
    return render_with_context(request,'survey.html',locals())

def survey(request,year,wallet_number):
    surveys=Survey.objects.all()
    expeditions=Expedition.objects.order_by("-year")
    current_expedition=Expedition.objects.filter(year=year)[0]
    
    if wallet_number!='':
            current_survey=Survey.objects.filter(expedition=current_expedition,wallet_number=wallet_number)[0]
            notes=current_survey.scannedimage_set.filter(contents='notes')
            planSketches=current_survey.scannedimage_set.filter(contents='plan')
            elevationSketches=current_survey.scannedimage_set.filter(contents='elevation')

    return render_with_context(request,'survey.html', locals())

def cave_description(request, cavedescription_name):
    cave_description = get_object_or_404(CaveDescription, short_name = cavedescription_name)
    return render_with_context(request,'cave_description.html', locals())

def get_entrances(request, caveslug):
    cave = Cave.objects.get(caveslug__slug = caveslug)
    return render_with_context(request,'options.html', {"items": [(e.entrance.slug(), e.entrance.slug()) for e in cave.entrances()]})

def get_qms(request, caveslug):
    cave = Cave.objects.get(caveslug__slug = caveslug)
    return render_with_context(request,'options.html', {"items": [(e.entrance.slug(), e.entrance.slug()) for e in cave.entrances()]})

areanames = [
	#('',     'Location unclear'),
	('1a',   '1a – Plateau: around Top Camp'),
	('1b',   '1b – Western plateau near 182'),
	('1c',   '1c – Eastern plateau near 204 walk-in path'),
	('1d',   '1d – Further plateau around 76'),
	('2a',   '2a – Southern Schwarzmooskogel near 201 path and the Nipple'),
	('2b',   '2b – Eishöhle area'),
	('2c',   '2c – Kaninchenhöhle area'),
	('2d',   '2d – Steinbrückenhöhle area'),
	('3',    '3 – Bräuning Alm'),
	('4',	'4 – Kratzer valley'),
	('5',	'5 – Schwarzmoos-Wildensee'),
	('6',	'6 – Far plateau'),
	('7',	'7 – Egglgrube'),
	('8a',	'8a – Loser south face'),
	('8b',	'8b – Loser below Dimmelwand'),
	('8c',	'8c – Augst See'),
	('8d',	'8d – Loser-Hochganger ridge'),
	('9',	'9 – Gschwandt Alm'),
	('10',	'10 – Altaussee'),
	('11',	'11 – Augstbach')
	]


def prospecting(request):
    for key, name in areanames:
        print key, Area.objects.get(short_name = key)
    areas = [ (name, Area.objects.get(short_name = key)) for key, name in areanames ]
    return render_with_context(request,'prospecting.html', {"areas": areas})