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})