"""Routes for listing evaluation runs and fetching a single run's report."""

from __future__ import annotations

from fastapi import APIRouter, HTTPException

from webapp.models import RunDetail
from webapp.services import report_builder, run_reader

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


@router.get("")
def get_runs() -> dict[str, list]:
    """Return summaries for every discoverable evaluation run."""
    summaries = run_reader.list_run_summaries()
    return {"runs": [summary.model_dump() for summary in summaries]}


@router.get("/{run_id}")
def get_run_detail(run_id: str) -> RunDetail:
    """Return the full summary and aggregated report for one run."""
    run_dir = run_reader.find_run_dir(run_id)
    if run_dir is None:
        raise HTTPException(status_code=404, detail=f"未找到运行: {run_id}")

    summary = run_reader.build_run_summary(run_dir)
    if summary is None:
        raise HTTPException(status_code=404, detail=f"运行元数据缺失: {run_id}")

    report = report_builder.build_report(run_dir, summary.metrics)
    return RunDetail(summary=summary, report=report)