from django.http import HttpRequest
from django.core.files.base import ContentFile
from ninja import Router, File
from ninja.files import UploadedFile

from .models import LogfileSubmission
from .schemas import NoitaSubmissionOut


router = Router()


@router.post("submit", response=NoitaSubmissionOut)
def submit_log_file(request: HttpRequest, file: UploadedFile = File(...)):
    """
    Submit a Noita run file (log file, screenshot, or video).

    Accepts:
    - Text files (.txt) for polylan_mod_log.txt
    - Images (.png, .jpg, .gif)
    - Videos (.mp4, .webm)

    Max file size: 256 MB
    """
    # Validate file type
    allowed_types = [
        "text/plain",
        "image/jpeg",
        "image/jpg",
        "image/png",
        "image/gif",
        "video/mp4",
        "video/webm",
    ]

    if file.content_type not in allowed_types:
        return 400, {
            "detail": f"Invalid file type: {file.content_type}. Allowed types: {', '.join(allowed_types)}"
        }

    # Validate file size (256MB limit)
    if file.size > 256 * 1024 * 1024:
        return 400, {"detail": "File too large (max 256MB)"}

    try:
        # Create submission
        submission = LogfileSubmission.objects.create(
            user=request.user if request.user.is_authenticated else None,
            content_type=file.content_type,
            file_size=file.size,
        )

        # Save the file
        submission.file.save(file.name, ContentFile(file.read()), save=True)

        return {
            "id": str(submission.id),
            "user_id": submission.user_id,
            "username": submission.user.username if submission.user else None,
            "file_size": submission.file_size,
            "content_type": submission.content_type,
            "created_at": submission.created_at,
            "processed": submission.processed,
        }

    except Exception as e:
        return 500, {"detail": f"Error creating submission: {str(e)}"}