from fastapi import FastAPI
from fastapi import HTTPException
from starlette.concurrency import run_in_threadpool

from app.inspection import InspectionError, UnsafeUrlError, inspect_url
from app.models import InspectionRequest, InspectionResponse

app = FastAPI(
    title="Media Ingest",
    description="Private broadcast media-ingest service.",
    version="0.1.0",
)


@app.get("/", tags=["system"])
def root() -> dict[str, str]:
    return {"name": "Media Ingest", "status": "running"}


@app.get("/health", tags=["system"])
def health() -> dict[str, str]:
    """Report whether the application process can serve requests."""
    return {"status": "healthy"}


@app.post("/api/inspect", response_model=InspectionResponse, tags=["inspection"])
async def inspect_source(request: InspectionRequest) -> dict[str, object]:
    """Inspect a public video URL without downloading media."""
    try:
        return await run_in_threadpool(inspect_url, request.url)
    except UnsafeUrlError as error:
        raise HTTPException(status_code=400, detail=str(error)) from error
    except InspectionError as error:
        raise HTTPException(status_code=422, detail=str(error)) from error