from django.shortcuts import render_to_response
from troggle.core.models import Expedition, Person, PersonExpedition, PersonTrip, LogbookEntry
import troggle.settings as settings
from django.db import models
from troggle.parsers.logbooks import LoadLogbookForExpedition
from troggle.parsers.people import GetPersonExpeditionNameLookup
from troggle.core.forms import PersonForm
from django.core.urlresolvers import reverse
from django.http import HttpResponseRedirect


from utils import render_with_context

import re

@models.permalink #this allows the nice get_absolute_url syntax we are using

def getNotablePersons():
    notablepersons = []
    for person in Person.objects.all():
            if person.bisnotable():
                notablepersons.append(person)
    return notablepersons		

def personindex(request):
    persons = Person.objects.all()
    # From what I can tell, "persons" seems to be the table rows, while "personss" is the table columns. - AC 16 Feb 09
    personss = [ ]
    ncols = 5
    nc = (len(persons) + ncols - 1) / ncols
    for i in range(ncols):
        personss.append(persons[i * nc: (i + 1) * nc])
    
    notablepersons = []
    for person in Person.objects.all():
            if person.bisnotable():
                notablepersons.append(person)

    return render_with_context(request,'personindex.html', {'persons': persons, 'personss':personss, 'notablepersons':notablepersons, })

def expedition(request, expeditionname):
    year = int(expeditionname)
    expedition = Expedition.objects.get(year=year)
    expedition_next = Expedition.objects.filter(year=year+1) and Expedition.objects.get(year=year+1) or None
    expedition_prev = Expedition.objects.filter(year=year-1) and Expedition.objects.get(year=year-1) or None
    message = "No message"
    if "reload" in request.GET:
        message = LoadLogbookForExpedition(expedition)
    #message = str(GetPersonExpeditionNameLookup(expedition).keys())
    logbookentries = expedition.logbookentry_set.order_by('date')
    return render_with_context(request,'expedition.html', {'expedition': expedition, 'expedition_next':expedition_next, 'expedition_prev':expedition_prev, 'logbookentries':logbookentries, 'message':message, })

    def get_absolute_url(self):
        return ('expedition', (expedition.year))

def person(request, first_name='', last_name='', ):
    person = Person.objects.get(first_name = first_name, last_name = last_name)
    
    #This is for removing the reference to the user's profile, in case they set it to the wrong person
    if request.method == 'GET':
        if request.GET.get('clear_profile')=='True':
            person.user=None
            person.save()
            return HttpResponseRedirect(reverse('profiles_select_profile'))
    
    return render_with_context(request,'person.html', {'person': person, })
    
    def get_absolute_url(self):
        return settings.URL_ROOT + self.first_name + '_' + self.last_name

#def person(request, name):
#    person = Person.objects.get(href=name)
#    

def personexpedition(request, first_name='',  last_name='', year=''):
    person = Person.objects.get(first_name = first_name, last_name = last_name)
    expedition = Expedition.objects.get(year=year)
    personexpedition = person.personexpedition_set.get(expedition=expedition)
    return render_with_context(request,'personexpedition.html', {'personexpedition': personexpedition, })

def newQMlink(logbookentry):
    biggestQMnumber=0
    if logbookentry.cave:
        for log in logbookentry.cave.logbookentry_set.all():
            try:
                biggestQMnumberInLog = logbookentry.QMs_found.order_by('-number')[0].number
            except IndexError:
                biggestQMnumberInLog = 0
        if biggestQMnumberInLog > biggestQMnumber:
            biggestQMnumber = biggestQMnumberInLog
    else:
        return None



    nextQMnumber=biggestQMnumber+1
    return settings.URL_ROOT + r'/admin/expo/qm/add/?' + r'found_by=' + str(logbookentry.pk) +'&number=' + str(nextQMnumber)

def logbookentry(request, date, slug):
    logbookentry = LogbookEntry.objects.filter(date=date, slug=slug)

    if len(logbookentry)>1:
        return render_with_context(request, 'object_list.html',{'object_list':logbookentry})
    else:
        logbookentry=logbookentry[0]
        return render_with_context(request, 'logbookentry.html', {'logbookentry': logbookentry, 'newQMlink':newQMlink(logbookentry)})

def logbookSearch(request, extra):
    query_string = ''
    found_entries = None
    if ('q' in request.GET) and request.GET['q'].strip():
        query_string = request.GET['q']
    entry_query = search.get_query(query_string, ['text','title',])
    found_entries = LogbookEntry.objects.filter(entry_query)

    return render_with_context(request,'logbooksearch.html',
                          { 'query_string': query_string, 'found_entries': found_entries, })
                          #context_instance=RequestContext(request))

def personForm(request,pk):
    person=Person.objects.get(pk=pk)
    form=PersonForm(instance=person)
    return render_with_context(request,'personform.html', {'form':form,})