import datetime
import os.path
import re
from collections import OrderedDict

import django.db.models
from django.db.models import Min, Max
from django.shortcuts import render
from django.template import Context, loader
from django.template.defaultfilters import slugify
from django.utils import timezone
#from django.views.generic.list import ListView

from troggle.core.models.troggle import Expedition, Person, PersonExpedition, DataIssue
from troggle.core.models.caves import Cave, LogbookEntry
from troggle.core.models.survex import SurvexBlock

import troggle.settings as settings


def pathsreport(request):
    pathsdict = OrderedDict()
    try:
        pathsdict = {
#       "BOGUS" : str( settings.BOGUS),
        "JSLIB_URL" : str( settings.JSLIB_URL),
        "JSLIB_ROOT" : str( settings.JSLIB_ROOT),
#       "CSSLIB_URL" : str( settings.CSSLIB_URL),
        "CAVEDESCRIPTIONS" : str( settings.CAVEDESCRIPTIONS),
        "DIR_ROOT" : str( settings.DIR_ROOT),
        "ENTRANCEDESCRIPTIONS" : str( settings.ENTRANCEDESCRIPTIONS),
        "EXPOUSER_EMAIL" : str( settings.EXPOUSER_EMAIL),
        "EXPOUSERPASS" : str("<redacted>"),
        "EXPOUSER" : str( settings.EXPOUSER),
        "EXPOWEB" : str( settings.EXPOWEB),
        "EXPOWEB_URL" : str( settings.EXPOWEB_URL),
        "FILES" : str( settings.FILES),
        "LOGFILE" : str( settings.LOGFILE),
        "LOGIN_REDIRECT_URL" : str( settings.LOGIN_REDIRECT_URL),
        "MEDIA_ROOT" : str( settings.MEDIA_ROOT),
        "MEDIA_URL" : str( settings.MEDIA_URL),
        "PHOTOS_URL" : str( settings.PHOTOS_URL),
        "PYTHON_PATH" : str( settings.PYTHON_PATH),
        "REPOS_ROOT_PATH" : str( settings.REPOS_ROOT_PATH),
        "ROOT_URLCONF" : str( settings.ROOT_URLCONF),
        "STATIC_URL" : str( settings.STATIC_URL),
        "SURVEX_DATA" : str( settings.SURVEX_DATA),
        "SURVEY_SCANS" : str( settings.SURVEY_SCANS),
        "SURVEYS" : str( settings.SURVEYS),
        "SURVEYS_URL" : str( settings.SURVEYS_URL),
        "SURVEXPORT" : str( settings.SURVEXPORT),
        "THREEDCACHEDIR" : str( settings.THREEDCACHEDIR),
        "TUNNEL_DATA" : str( settings.TUNNEL_DATA),
        "URL_ROOT" : str( settings.URL_ROOT)
        }
    except:
        pathsdict["! EXCEPTION !"] = "missing or exta string constant in troggle/settings"

    pathstype = OrderedDict()
    try:
        pathstype = {
#       "BOGUS" : type(settings.BOGUS),
        "JSLIB_URL" : type(settings.JSLIB_URL),
        "JSLIB_ROOT" : type( settings.JSLIB_ROOT),
#       "CSSLIB_URL" : type(settings.CSSLIB_URL),
        "CAVEDESCRIPTIONS" : type(settings.CAVEDESCRIPTIONS),
        "DIR_ROOT" : type(settings.DIR_ROOT),
        "ENTRANCEDESCRIPTIONS" : type(settings.ENTRANCEDESCRIPTIONS),
        "EXPOUSER_EMAIL" : type(settings.EXPOUSER_EMAIL),
        "EXPOUSERPASS" : type(settings.EXPOUSERPASS),
        "EXPOUSER" : type(settings.EXPOUSER),
        "EXPOWEB" : type(settings.EXPOWEB),
        "EXPOWEB_URL" : type(settings.EXPOWEB_URL),
        "FILES" : type(settings.FILES),
        "LOGFILE" : type(settings.LOGFILE),
        "LOGIN_REDIRECT_URL" : type(settings.LOGIN_REDIRECT_URL),
        "MEDIA_ROOT" : type(settings.MEDIA_ROOT),
        "MEDIA_URL" : type(settings.MEDIA_URL),
        "PHOTOS_URL" : type(settings.PHOTOS_URL),
        "PYTHON_PATH" : type(settings.PYTHON_PATH),
        "REPOS_ROOT_PATH" : type(settings.REPOS_ROOT_PATH),
        "ROOT_URLCONF" : type(settings.ROOT_URLCONF),
        "STATIC_URL" : type(settings.STATIC_URL),
        "SURVEX_DATA" : type(settings.SURVEX_DATA),
        "SURVEY_SCANS" : type(settings.SURVEY_SCANS),
        "SURVEYS" : type(settings.SURVEYS),
        "SURVEYS_URL" : type(settings.SURVEYS_URL),
        "SURVEXPORT" : type(settings.SURVEXPORT),
        "THREEDCACHEDIR" : type(settings.THREEDCACHEDIR),
        "TUNNEL_DATA" : type(settings.TUNNEL_DATA),
        "URL_ROOT" : type(settings.URL_ROOT)
        }
    except:
        pathstype["! EXCEPTION !"] = "missing or exta string constant in troggle/settings"

    # settings are unique by paths are not
    ncodes = len(pathsdict)
    bycodeslist = sorted(pathsdict.items()) # a list of tuples
    bycodeslist2 = []

    for k, p in bycodeslist:
        bycodeslist2.append((k, p, str(pathstype[k])))
    
    bypaths = sorted(pathsdict.values()) # a list 
    bypathslist = []
    
    for p in bypaths:
        for k in pathsdict.keys():
            if pathsdict[k] == p:
                bypathslist.append((p, k, str(pathstype[k])))
                del pathsdict[k]
                break

    return render(request, 'pathsreport.html', { 
        "pathsdict":pathsdict, 
        "bycodeslist":bycodeslist2, 
        "bypathslist":bypathslist, 
        "ncodes":ncodes})

def stats(request):
    statsDict={}
    statsDict['expoCount'] = "{:,}".format(Expedition.objects.count())
    statsDict['caveCount'] = "{:,}".format(Cave.objects.count())
    statsDict['personCount'] = "{:,}".format(Person.objects.count())
    statsDict['logbookEntryCount'] = "{:,}".format(LogbookEntry.objects.count())

    legsbyexpo = [ ]
    addupsurvexlength = 0
    for expedition in Expedition.objects.all():
        survexblocks = expedition.survexblock_set.all()
        legsyear=0
        survexleglength = 0.0
        for survexblock in survexblocks:
            survexleglength += survexblock.legslength
            try:
                legsyear += int(survexblock.legsall)
            except:
                pass
        addupsurvexlength += survexleglength
        legsbyexpo.append((expedition, {"nsurvexlegs": "{:,}".format(legsyear), 
                "survexleglength":"{:,.0f}".format(survexleglength)}))
    legsbyexpo.reverse() 

    renderDict = {**statsDict, **{ "addupsurvexlength":addupsurvexlength/1000, "legsbyexpo":legsbyexpo }} # new syntax
    return render(request,'statistics.html',  renderDict)

def dataissues(request):
    '''Each issue has a parser, a message and a url linking to the offending object after loading
    '''
    def myFunc(di):
        return di.parser.lower() + di.message.lower()
        
    dilist = list(DataIssue.objects.all())
    dilist.sort(key = myFunc)        
 
    return render(request,'dataissues.html',  {'didict': dilist})