from typing import List, Optional
from uuid import UUID
from django.http import HttpRequest
from ninja import Router, File, Form
from ninja.files import UploadedFile
from django.shortcuts import get_object_or_404

from games.models import Game
from .models import Submission, SubmissionFile, ImageCrop, OCRStatus
from .schemas import SubmissionOut, ImageCropIn, ImageCropOut

router = Router()


@router.post("/submission/create", response=SubmissionOut)
def create_submission(
    request: HttpRequest,
    game_path: str,
    files: List[UploadedFile] = File(...),
    notes: Optional[str] = Form(None),
):
    game = get_object_or_404(Game, path=game_path, enabled=True)

    submission = Submission.objects.create(
        game=game,
        user=request.user if request.user.is_authenticated else None,
        notes=notes or None,
    )

    for file in files:
        SubmissionFile.objects.create(
            submission=submission,
            file=file,
            original_filename=file.name,
            content_type=file.content_type or "application/octet-stream",
        )

    return submission


@router.get("/submission/by/user", response=list[SubmissionOut])
def list_user_submissions(request: HttpRequest, game_path: str):
    game = get_object_or_404(Game, path=game_path)

    if not request.user.is_authenticated:
        return 403, {"detail": "Authentication required"}

    submissions = Submission.objects.filter(game=game, user=request.user).order_by(
        "-created_at"
    )
    return submissions


@router.get("/submission/by/game", response=list[SubmissionOut])
def list_submissions_by_game(request: HttpRequest, game_path: str):
    game = get_object_or_404(Game, path=game_path)

    if not request.user.is_staff:
        return 403, {"detail": "Admin access required"}

    return Submission.objects.filter(game=game)


@router.get("/submission/{submission_id}", response=SubmissionOut)
def get_submission(request: HttpRequest, submission_id: UUID):
    submission = get_object_or_404(Submission, id=submission_id)

    if submission.user != request.user and not request.user.is_staff:
        return 403, {"detail": "Not authorized"}

    return submission


@router.post("/crops/s/{submission_file_id}", response=ImageCropOut)
def create_image_crop(
    request: HttpRequest,
    submission_file_id: UUID,
    data: ImageCropIn,
):
    if not request.user.is_staff:
        return 403, {"detail": "Admin access required"}

    submission_file = get_object_or_404(SubmissionFile, id=submission_file_id)

    crop = ImageCrop.objects.create(
        submission_file=submission_file,
        x1=data.x1,
        y1=data.y1,
        x2=data.x2,
        y2=data.y2,
        label=data.label or "",
        ocr_status=OCRStatus.TO_PROCESS,
    )

    return crop


@router.delete("/crops/{crop_id}", response=dict)
def delete_image_crop(request: HttpRequest, crop_id: UUID):
    if not request.user.is_staff:
        return 403, {"detail": "Admin access required"}

    crop = get_object_or_404(ImageCrop, id=crop_id)
    crop.delete()

    return {"status": "deleted"}