"""Formal pipeline run API routes."""
from __future__ import annotations

from typing import Any
from uuid import UUID

from fastapi import APIRouter, Depends, HTTPException

from app.dependencies import get_pipeline_repository

router = APIRouter(prefix="/api/pipeline", tags=["pipeline"])


@router.get("/runs/{run_id}")
def pipeline_run(
    run_id: UUID,
    repo: Any = Depends(get_pipeline_repository),
) -> dict[str, Any]:
    getter = getattr(repo, "get_pipeline_run", None)
    if getter is None:
        raise HTTPException(status_code=501, detail="pipeline run reader is not implemented")
    try:
        run = getter(run_id)
    except RuntimeError as exc:
        raise HTTPException(status_code=404, detail="pipeline run not found") from exc
    return {"run": run.model_dump(mode="json") if hasattr(run, "model_dump") else run}


@router.get("/runs/{run_id}/timeline")
def pipeline_run_timeline(
    run_id: UUID,
    repo: Any = Depends(get_pipeline_repository),
) -> dict[str, Any]:
    getter = getattr(repo, "get_pipeline_run", None)
    list_timeline = getattr(repo, "list_timeline", None)
    if getter is None or list_timeline is None:
        raise HTTPException(status_code=501, detail="pipeline timeline reader is not implemented")
    try:
        run = getter(run_id)
    except RuntimeError as exc:
        raise HTTPException(status_code=404, detail="pipeline run not found") from exc
    bundle_getter = getattr(repo, "get_timeline_bundle", None)
    if bundle_getter is not None:
        bundle = bundle_getter(run_id)
    else:
        bundle = {"events": list_timeline(run_id), "jobs": [], "candidate_hits": [], "llm_call_traces": []}
    return {
        "run": run.model_dump(mode="json") if hasattr(run, "model_dump") else run,
        **bundle,
    }


@router.get("/runs/by-acquisition/{acquisition_run_id}")
def pipeline_run_by_acquisition(
    acquisition_run_id: UUID,
    repo: Any = Depends(get_pipeline_repository),
) -> dict[str, Any]:
    getter = getattr(repo, "get_pipeline_run_by_acquisition_run", None)
    if getter is None:
        raise HTTPException(status_code=501, detail="pipeline acquisition lookup is not implemented")
    try:
        run = getter(acquisition_run_id)
    except RuntimeError as exc:
        raise HTTPException(status_code=404, detail="pipeline run not found") from exc
    return {"run": run.model_dump(mode="json") if hasattr(run, "model_dump") else run}
