from django.shortcuts import render, get_object_or_404
from django.http import HttpResponse
from django.contrib.auth.decorators import login_required
from django.views.decorators.http import require_http_methods
from django.http import HttpResponse, HttpResponseRedirect
from django.db.models import Q
from django.contrib import messages

from .models import Gymnast
from followup.models import Chrono, LearnedSkill, Skill
from .forms import GymnastForm

import simplejson


@login_required
@require_http_methods(["GET"])
def gymnast_lookup(request):
    """
    Récupère la liste des gymnastes à la volée suivant des caractères de
    recherche entrés. (min 3 caractères)
    """

    results = []
    pattern = request.GET.get("pattern", None)

    # Ignore queries shorter than length 3
    if pattern is not None and len(pattern) > 3:
        model_results = Gymnast.objects.filter(
            Q(last_name__icontains=pattern) | Q(first_name__icontains=pattern)
        )
        results = [{"ID": x.id, "Name": str(x)} for x in model_results]

    json = simplejson.dumps(results)
    return HttpResponse(json, content_type="application/json")


@login_required
@require_http_methods(["GET"])
def gymnast_listing(request):
    """Liste tous les gymnasts connus
    """
    gymnast_list = Gymnast.objects.all()
    context = {'gymnast_list': gymnast_list}
    return render(request, "gymnasts/list.html", context)


@login_required
@require_http_methods(["GET"])
def gymnast_details(request, gymnastid):
    """Récupère toutes les informations d'un gymnaste.
    """
    gymnast = get_object_or_404(Gymnast, pk=gymnastid)
    learnedskills_list = LearnedSkill.objects.filter(gymnast=gymnastid).order_by('-date')[:10]
    nb_skill = Skill.objects.all().count()
    known_skill = LearnedSkill.objects.filter(gymnast=gymnastid).count()
    chronos_list = Chrono.objects.filter(gymnast=gymnastid).order_by('-date')[:10]
    straightjump_score = Chrono.objects.filter(gymnast=gymnastid).filter(type=0).order_by('-date')
    best_straightjump = Chrono.objects.filter(gymnast=gymnastid).filter(type=0).order_by('-score')[:1]
    best_routine = Chrono.objects.filter(gymnast=gymnastid).filter(type=1).order_by('-score')[:1]
    routine_score = Chrono.objects.filter(gymnast=gymnastid).filter(type=1).order_by('-date')
    context = {
        'gymnast': gymnast,
        'learnedskills_list': learnedskills_list,
        'chronos_list': chronos_list,
        'straightjump_score': straightjump_score,
        'routine_score': routine_score,
        'best_routine': best_routine,
        'best_straightjump': best_straightjump,
        'nb_skill': nb_skill,
        'known_skill': known_skill
    }

    return render(request, "gymnasts/details.html", context)


@login_required
@require_http_methods(["GET", "POST"])
def gymnast_create_or_update(request, gymnastid=None):
    """
    Formulaire de creation et modification d'un gymnaste.
    """

    if gymnastid:
        gymnast = get_object_or_404(Gymnast, pk=gymnastid)
        data = {'club_related': gymnast.club}
    else:
        gymnast = None
        data = {}

    if request.method == "POST":
        gymnast_form = GymnastForm(request.POST, instance=gymnast)

        if gymnast_form.is_valid():
            gymnast = gymnast_form.save()
            return HttpResponseRedirect("/gymnast/details/" + str(gymnast.id))
        else:
            print(gymnast_form.errors)

    form = GymnastForm(instance=gymnast, initial=data)

    context = {"form": form, "gymnastid": gymnastid}
    return render(request, "gymnasts/create.html", context)