from uuid import UUID

from fastapi import APIRouter, Depends, HTTPException
from fastapi.responses import FileResponse
from sqlalchemy.ext.asyncio import AsyncSession

from app.database import get_db
from app.models import Clip

router = APIRouter()


@router.get("/clips/{clip_id}")
async def get_clip(clip_id: UUID, db: AsyncSession = Depends(get_db)):
    clip = await db.get(Clip, clip_id)
    if not clip:
        raise HTTPException(404, "Clip not found")
    clip.duration = clip.end_time - clip.start_time
    return clip


@router.get("/clips/{clip_id}/preview")
async def preview_clip(clip_id: UUID, db: AsyncSession = Depends(get_db)):
    clip = await db.get(Clip, clip_id)
    if not clip:
        raise HTTPException(404, "Clip not found")
    if not clip.raw_clip_path:
        raise HTTPException(404, "Clip not yet extracted")

    return FileResponse(
        clip.raw_clip_path,
        media_type="video/mp4",
        filename=f"{clip.title}.mp4",
    )