from random import randint
from django.contrib.auth.models import Group, Permission, User
from client.models import UserCode, Keys, DocumentType, Document, PersonalData, KeyVal
from django.db.models import Q
from django.http import HttpResponseRedirect

from django.shortcuts import render

# Create your views here.


def index(request):
    context = {}
    if (request.user.is_authenticated):
        users = UserCode.objects.filter(user=request.user)
        code = None
        if (len(users) == 0):
            while (True):
                code = randint(100000, 999999)
                if len(UserCode.objects.filter(code=code)) == 0:
                    break
            userCode = UserCode(user=request.user, code=code)
            userCode.save()

        documents = Document.objects.filter(Q(user=request.user) & ~Q(status='archive'))
        out = []
        for i in documents:
            out.append([i, KeyVal.objects.filter(container=i)])
        context = {
            "docs": out,
            "empty": len(out) == 0,
        }
    return render(request, 'client/index.html', context)


def approve(request):
    context = {}
    if not (request.user.is_staff or request.user.has_perm('approved')):
        usercode = UserCode.objects.filter(user=request.user)[0]
        okay = False
        if request.user.first_name != "" and request.user.last_name != "" and request.user.email != "" and len(request.user.groups.values_list('name', flat=True)) != 0:
            okay = True
        context = {'code': 'U' + str(usercode.code), 'okay': okay}
        return render(request, 'client/approve.html', context)
    else:
        return render(request, 'client/index.html', context)


def create(request):
    context = {}
    if request.user.is_authenticated:
        parent_group = request.user.groups.values_list('name', flat=True)[
            0]
        group = Group.objects.get(name=parent_group)
        doctypes = DocumentType.objects.filter(
            (Q(group_private=False) | Q(group=group)) & Q(enabled=True))
        out = []
        for doc in doctypes:
            if len(Document.objects.filter(Q(user=request.user) & Q(document_type=doc))) == 0:
                out.append(doc)

        context = {'docs': out}
        if request.method == "POST":
            if request.POST["action"] == "details":
                if "doctype" not in request.POST.keys():
                    context['error'] = True
                    context['error_text'] = "Seleziona un documento"
                else:
                    context['next'] = True
                    document_type = DocumentType.objects.get(
                        id=request.POST["doctype"])
                    context['doctype'] = document_type
                    context['personal_data'] = document_type.personal_data
                    context['medical_data'] = document_type.medical_data
                    context['custom_data'] = document_type.custom_data
                    keys = Keys.objects.filter(container=document_type)
                    out_keys = []
                    for i in keys:
                        out_keys.append([i, ""])
                    context['keys'] = out_keys
                    context['custom_message'] = document_type.custom_message
                    context['custom_message_text'] = document_type.custom_message_text
            elif request.POST["action"] == "save":
                usercode = UserCode.objects.filter(user=request.user)[0]
                code = 0
                status = "wait"
                personal_data = None
                document_type = DocumentType.objects.get(
                    id=request.POST["doctype"])
                keys = []
                if document_type.personal_data:
                    personal_data = PersonalData(parent_name=usercode.parent_name, via=usercode.via, cap=usercode.cap, country=usercode.country,
                                                nationality=usercode.nationality, born_date=usercode.born_date, home_phone=usercode.home_phone, phone=usercode.phone)
                    personal_data.save()

                while (True):
                    code = randint(100000, 999999)
                    if len(Document.objects.filter(code=code)) == 0:
                        break

                document = Document(
                    user=request.user, group=group, code=code, status=status, document_type=document_type, personal_data=personal_data)
                document.save()

                for i in request.POST.keys():
                    if i == "doctype" or i=="csrfmiddlewaretoken" or i=="action":
                        continue
                    key = KeyVal(container=document, key=Keys.objects.get(id=i).key, value=request.POST[i])
                    key.save()

                return HttpResponseRedirect('/')

        return render(request, 'client/doc_create.html', context)
    else:
        return render(request, 'client/index.html', context)