import os
import json
from django.shortcuts import render, get_object_or_404
from django.http import JsonResponse
from django.contrib.auth.decorators import login_required
from django.conf import settings
from .models import Tour, TourCompletion


@login_required
def tour_list(request):
    tours = Tour.objects.filter(is_active=True)
    return render(request, "tours/tour_list.html", {"tours": tours})


@login_required
def get_tour_data(request, slug):
    tour = get_object_or_404(Tour, slug=slug, is_active=True)

    # Check if user has already completed this tour
    completed = TourCompletion.objects.filter(tour=tour, user=request.user).exists()

    # Load the tour data from JSON file
    tour_file_path = os.path.join(
        settings.BASE_DIR, "static", "js", "tours", tour.tour_file
    )

    try:
        with open(tour_file_path, "r") as f:
            tour_data = json.load(f)
    except (FileNotFoundError, json.JSONDecodeError):
        return JsonResponse({"error": "Tour data not found or invalid"}, status=404)

    return JsonResponse({"tour": tour_data, "completed": completed})


@login_required
def mark_tour_completed(request, slug):
    if request.method != "POST":
        return JsonResponse({"error": "Method not allowed"}, status=405)

    tour = get_object_or_404(Tour, slug=slug, is_active=True)

    # Mark the tour as completed for this user
    TourCompletion.objects.get_or_create(tour=tour, user=request.user)

    return JsonResponse({"status": "success"})


@login_required
def start_tour_view(request, slug):
    tour = get_object_or_404(Tour, slug=slug, is_active=True)
    # Redirect to the page where the tour should start
    return render(request, "tours/start_tour.html", {"tour": tour})