import json

from django.contrib.auth.decorators import login_required
from django.http import HttpResponse
from django.shortcuts import get_object_or_404, render

from .models import Task


def task_response(data, status=200):
    """Helper function to return a task response"""
    return HttpResponse(json.dumps(data, default=str), status=status, content_type='application/json')


@login_required
def task_status(request):
    """API endpoint to check task status"""
    task_uuid = request.GET.get('task_uuid')
    
    if not task_uuid:
        return task_response({
            'status': 'error',
            'message': 'task_uuid parameter required'
        }, status=400)
    
    try:
        task = Task.objects.get(uuid=task_uuid)
        
        # Get latest entries
        latest_entries = list(task.entries.order_by('-created_at')[:10].values(
            'message', 'created_at'
        ))
        
        return task_response({
            'status': 'success',
            'task': {
                'uuid': str(task.uuid),
                'proxmox_upid': task.proxmox_upid,
                'status': task.status,
                'created_at': task.created_at.isoformat(),
                'entries': latest_entries
            }
        }, status=200)
        
    except Task.DoesNotExist:
        return task_response({
            'status': 'error',
            'message': f'Task {task_uuid} not found'
        }, status=404)


@login_required
def task_detail(request, task_uuid):
    """View to show task details and log entries"""
    task = get_object_or_404(Task, uuid=task_uuid)
    entries = task.entries.order_by('created_at')
    
    return render(request, 'tasklogger/task_detail.html', {
        'task': task,
        'entries': entries
    })


@login_required
def task_list(request):
    """View to list recent tasks"""
    tasks = Task.objects.order_by('-created_at')[:50]
    
    return render(request, 'tasklogger/task_list.html', {
        'tasks': tasks
    })