# -*- coding: utf-8 -*-

'''

Created on Jul 01, 2014

@author: tc

'''

from datetime import datetime

from django.conf import settings

from django.contrib.auth import REDIRECT_FIELD_NAME, login as auth_login

from django.contrib.auth.forms import AuthenticationForm

from django.contrib.sites.models import get_current_site

from django.core.urlresolvers import reverse

from django.db.models import Q

from django.http import HttpResponse, HttpResponseBadRequest

from django.http import HttpResponseRedirect

from django.shortcuts import get_object_or_404, redirect

from django.shortcuts import resolve_url

from django.template.response import TemplateResponse

from django.templatetags.static import static

from django.utils.http import is_safe_url

from django.views.decorators.cache import never_cache

from django.views.decorators.csrf import csrf_exempt, csrf_protect

from django.views.decorators.debug import sensitive_post_parameters

from django.views.generic import TemplateView, View

from hdabo.models import Tag, Datasheet, TaggedSheet, Folder

from hdalab.models.renkan import HdalabRenkan

from hdalab.views.ajax import filter_generic

from renkanmanager.models import Renkan

from renkanmanager.views import RenkanGetPut

import json

import uuid

import logging

logger = logging.getLogger(__name__)

class ProfileHome(TemplateView):

    template_name = "profile_home.html"

    def get_context_data(self, **kwargs):

        context = super(ProfileHome, self).get_context_data(**kwargs)

        context['renkan_list'] = HdalabRenkan.objects.select_related("renkan").filter(renkan__owner=self.request.user).order_by("-renkan__modification_date")

        return context

class RenkanPublicList(TemplateView):

    template_name = "renkan_list.html"

    def get_context_data(self, **kwargs):

        context = super(RenkanPublicList, self).get_context_data(**kwargs)

        context['renkan_list'] = HdalabRenkan.objects.select_related("renkan").filter(state=HdalabRenkan.PUBLISHED).order_by("-renkan__modification_date")

        return context

class RenkanNew(View):

    def get(self, request):

        rk = Renkan()

        rk_id = unicode(uuid.uuid1())

        rk.rk_id = rk_id

        rk.owner = request.user

        rk.content = '{}'

        rk.title = "Nouveau Renkan "

        rk.save()

        hr = HdalabRenkan()

        hr.renkan = rk

        from random import randrange

        hr.state = randrange(4) + 1

        hr.save()

        return redirect("%s?rk_id=%s" % (reverse('renkan_edit'), rk_id))

class RenkanEdit(TemplateView):

    template_name="renkan_edit.html"

    def get_context_data(self, **kwargs):

        context = super(RenkanEdit, self).get_context_data(**kwargs)

        # If a renkan id is set

        rk_id = self.request.GET.get("rk_id", "")

        if rk_id!="":

            rk = get_object_or_404(Renkan, rk_id=rk_id)

            if rk.owner!=self.request.user:

                raise Exception("You are not allowed to edit this renkan")

        form = AuthenticationForm(self.request)

        context["form"] = form

        return context

class HdalabRenkanGetPut(RenkanGetPut):

    @csrf_exempt

    def dispatch(self, *args, **kwargs):

        return super(HdalabRenkanGetPut, self).dispatch(*args, **kwargs)

    def get(self, request):

        # If a renkan id is set

        rk_id = request.GET.get("rk_id", "")

        if rk_id!="":

            rk = get_object_or_404(Renkan, rk_id=rk_id)

            return HttpResponse(rk.content, content_type="application/json")

        # Start dict for renkan json

        now = datetime.now().strftime("%Y-%m-%d %H:%M")

        content = {

          "id": unicode(uuid.uuid1()),

          "title": "",

          "description": "(empty description)",

          "created": now,

          "updated": now,

          "nodes": [],

          "edges": [],

          "views": [],

          "users": [],

        }

        # category image dict

        cat_dict = {u"Créateur": static("hdalab/img/category_creator.png"),

                    u"Datation": static("hdalab/img/category_datation.png"),

                    u"Discipline artistique": static("hdalab/img/category_discipline.png"),

                    u"Localisation": static("hdalab/img/category_localisation.png"),

                    u"Ecole/Mouvement": static("hdalab/img/category_movement.png")}

        # Renkan Project ID

        project_id = unicode(uuid.uuid1())

        # If a notice id is set

        notice_id = request.GET.get("notice", "")

        if notice_id!="":

            notice = get_object_or_404(Datasheet, hda_id=notice_id)

            # We get the ORDERED tags if we display one sheet (case valid = 0 and 1)

            ordered_tags = TaggedSheet.objects.filter(datasheet=notice).select_related("tag", "tag__dbpedia_fields", "tag__category").order_by('order')[:15]

            # Prepare Node placer :

            np = LineNodePlacer()

            np.init({"datasheet": (1, 1), "tags": (2, len(ordered_tags))})

            # Place notice :

            content["nodes"].append({

                "id": unicode(uuid.uuid1()),

                "title": notice.title,

                "description": notice.description,

                "uri": notice.url,

                "position": np.get_place("datasheet"),

                "image": static("hdalab/img/page_icon.png"),

                "size": 0,

                "project_id": project_id,

                "color": None,

                #"created_by": "roster_user-84fe909f-ba37-48e6-a25f-9d2f129a95b7"

            })

            for ot in ordered_tags:

                t = ot.tag

                img_url = t.dbpedia_fields.thumbnail if hasattr(t, 'dbpedia_fields') and t.dbpedia_fields and t.dbpedia_fields.thumbnail else None

                if img_url is None and t.category is not None:

                    img_url = cat_dict[t.category.label]

                content["nodes"].append({

                  "id": unicode(uuid.uuid1()),

                  "title": t.label + ((" (" + t.category.label + ")") if t.category else ""),

                  "description": t.dbpedia_uri,

                  "uri": t.dbpedia_uri,

                  "position": np.get_place("tags"),

                  "image": img_url,

                  "size": 0,

                  "project_id": project_id,

                  "color": None,

                  #"created_by": "roster_user-84fe909f-ba37-48e6-a25f-9d2f129a95b7"

                })

            response = json.dumps(content)

            return HttpResponse(response, content_type="application/json")

        # If a folder id is set

        folder_id = request.GET.get("folder", "")

        if folder_id!="":

            #TODO : optimize to avoid tag request on each notice

            folder = get_object_or_404(Folder.objects.select_related("datasheets", "datasheets__tags"), pk=folder_id)

            notices = folder.datasheets.all()

            n_tags = []

            notice_tag_dict = {}

            tag_uuid_dict = {}

            for n in notices:

                notice_tag_dict[n.pk] = {"uuid":unicode(uuid.uuid1()), "tags":[] }

                for t in n.tags.all()[:5]:

                    if t.pk not in tag_uuid_dict:

                        tag_uuid_dict[t.pk] = unicode(uuid.uuid1())

                    notice_tag_dict[n.pk]["tags"].append(tag_uuid_dict[t.pk])

                    n_tags.append(t)

            n_tags = [t.pk for t in n_tags]

            all_tags = Tag.objects.filter( pk__in=n_tags ).select_related("dbpedia_fields", "category")

            # Prepare Node placer :

            np = LineNodePlacer()

            np.init({"datasheet": (1, len(notices)), "tags": (2, len(all_tags))})

            # Place notices

            for n in notices:

                content["nodes"].append({

                  "id": notice_tag_dict[n.pk]["uuid"],

                  "title": n.title,

                  "description": n.description,

                  "uri": n.url,

                  "position": np.get_place("datasheet"),

                  "image": static("hdalab/img/page_icon.png"),

                  "size": 0,

                  "project_id": project_id,

                  "color": None,

                  #"created_by": "roster_user-84fe909f-ba37-48e6-a25f-9d2f129a95b7"

                })

            # Place tags

            for t in all_tags:

                img_url = t.dbpedia_fields.thumbnail if hasattr(t, 'dbpedia_fields') and t.dbpedia_fields and t.dbpedia_fields.thumbnail else None

                if img_url is None and t.category is not None:

                    img_url = cat_dict[t.category.label]

                content["nodes"].append({

                  "id": tag_uuid_dict[t.pk],

                  "title": t.label + ((" (" + t.category.label + ")") if t.category else ""),

                  "description": t.dbpedia_uri,

                  "uri": t.dbpedia_uri,

                  "position": np.get_place("tags"),

                  "image": img_url,

                  "size": 0,

                  "project_id": project_id,

                  "color": None,

                  #"created_by": "roster_user-84fe909f-ba37-48e6-a25f-9d2f129a95b7"

                })

            # Place edges

            for n_pk in notice_tag_dict:

                for tag_id in notice_tag_dict[n_pk]["tags"]:

                    content["edges"].append({

                        "id": unicode(uuid.uuid1()),

                        "title": "",

                        "description": "",

                        "uri": "",

                        "color": None,

                        "from": notice_tag_dict[n_pk]["uuid"],

                        "to": tag_id,

                        "project_id": project_id,

                        #"created_by": "de68xf75y6hs5rgjhgghxbm217xk"

                    })

            response = json.dumps(content)

            return HttpResponse(response, content_type="application/json")

        # Otherwise we build the datas

        # Get tags and countries

        labels = request.GET.get("label", "").split(",")

        countries = request.GET.get("country", "").split(",")

        # Tags arrive with french label, countries with dbpedia uri

        label_list = [t for t in labels if t!=""]

        country_list = [c for c in countries if c!=""]

        all_tags = Tag.objects.filter( Q(label__in=label_list) | Q(dbpedia_uri__in=country_list) ).select_related("dbpedia_fields", "category")

        # Get datasheets from ajax filter search

        filter_output = filter_generic(request.GET.get('lang',request.LANGUAGE_CODE), None, ",".join(label_list), ",".join(country_list), content_count=10)

        filter_output = json.loads(filter_output)

        #logger.debug("COUCOU")

        #logger.debug(json.dumps(filter_output, indent=2))

        #return HttpResponse(json.dumps(filter_output, indent=2), content_type="application/json")

        # Prepare other tags

        related_tags = []

        all_labels = [t.label for t in all_tags]

        title = "Recherche " + ", ".join(all_labels)

        content["title"] = title

        related_tags_dict = {}

        for c in filter_output["contents"]:

            c["id"] = unicode(uuid.uuid1())

            related_tags_dict[c["id"]] = []

            for t in c["tags"]:

                if t["label"] not in all_labels and t["order"]<6:

                    thumbnail_url = ""

                    for tt in filter_output["tags"]:

                        if tt["label"]==t["label"]:

                            thumbnail_url = tt["thumbnail"]

                    related_tags.append({"label": t["label"], "thumbnail":thumbnail_url, "id":t["id"]})

                    all_labels.append(t["label"])

                related_tags_dict[c["id"]].append(t["id"])

        # If possible, we search a dbpedia_fields thumbnail or category thumbnail for related tags

        r_tags = [t["label"] for t in related_tags if t["thumbnail"] is None or t["thumbnail"]=="" ]

        r_tags = Tag.objects.filter( label__in=r_tags ).select_related("dbpedia_fields", "category")

        r_tags_dict = {}

        for t in r_tags:

            img_url = t.dbpedia_fields.thumbnail if hasattr(t, 'dbpedia_fields') and t.dbpedia_fields and t.dbpedia_fields.thumbnail else None

            if img_url is None and t.category is not None:

                img_url = cat_dict[t.category.label]

            if img_url:

                r_tags_dict[t.label] = img_url

        # Populate related_tags with found image urls

        for t in related_tags:

            if (t["thumbnail"] is None or t["thumbnail"]=="") and (t["label"] in r_tags_dict):

                t["thumbnail"] = r_tags_dict[t["label"]]

        # Prepare Node placer :

        np = LineNodePlacer()

        np.init({"tags": (1, len(all_tags)), "datasheet": (2, len(filter_output["contents"])), "related": (3, len(related_tags))})

        for t in all_tags:

            img_url = t.dbpedia_fields.thumbnail if hasattr(t, 'dbpedia_fields') and t.dbpedia_fields and t.dbpedia_fields.thumbnail else None

            if img_url is None and t.category is not None:

                img_url = cat_dict[t.category.label]

            content["nodes"].append({

              "id": unicode(uuid.uuid1()),

              "title": t.label + ((" (" + t.category.label + ")") if t.category else ""),

              "description": t.dbpedia_uri,

              "uri": t.dbpedia_uri,

              "position": np.get_place("tags"),

              "image": img_url,

              "size": 0,

              "project_id": project_id,

              "color": None,

              #"created_by": "roster_user-84fe909f-ba37-48e6-a25f-9d2f129a95b7"

            })

        for c in filter_output["contents"]:

            content["nodes"].append({

              "id": c["id"],

              "title": c["title"],

              "description": c["description"],

              "uri": c["url"],

              "position": np.get_place("datasheet"),

              "image": None,

              "size": 0,

              "project_id": project_id,

              "color": "#FF0033",

              #"created_by": "roster_user-84fe909f-ba37-48e6-a25f-9d2f129a95b7"