# server/app.py
from fastapi import FastAPI, HTTPException
from openenv.core.env_server import create_fastapi_app
from ..models import Action, Observation, TaskInfo
from .environment import CodeDebugEnvironment
from .tasks import TASK_REGISTRY
from .grader import grade

# Core OpenEnv app (provides /reset, /step, /state, /ws, /health)
app = create_fastapi_app(CodeDebugEnvironment, Action, Observation)


# ── Additional required hackathon endpoints ────────────────────────────

@app.get("/tasks")
def list_tasks() -> list[TaskInfo]:
    """Return all tasks with their action schema."""
    return [
        TaskInfo(
            task_id=tid,
            difficulty=task["difficulty"],
            description=task["description"],
            action_schema=Action.model_json_schema(),
        )
        for tid, task in TASK_REGISTRY.items()
    ]


@app.get("/grader")
def get_grader_score(task_id: str, submitted_code: str) -> dict:
    """
    Grade a submission directly (for testing / evaluation).
    Returns: { score: float, passed: int, total: int, test_results: list }
    """
    if task_id not in TASK_REGISTRY:
        raise HTTPException(status_code=404, detail=f"Unknown task_id: {task_id}")
    task = TASK_REGISTRY[task_id]
    result = grade(submitted_code, task_id, task["test_suite"])
    return {
        "task_id": task_id,
        "score": result["score"],
        "passed": result["passed"],
        "total": result["total"],
        "test_results": [r.model_dump() for r in result["test_results"]],
    }


@app.get("/baseline")
def run_baseline() -> dict:
    """
    Run the baseline agent on all tasks and return scores.
    This endpoint triggers the baseline inference script.
    """
    import subprocess, sys, json
    try:
        result = subprocess.run(
            [sys.executable, "baseline/run_baseline.py", "--output", "json"],
            capture_output=True, text=True, timeout=120,
        )
        return json.loads(result.stdout)
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))


def main():
    """Entry point for the server."""
    import uvicorn
    uvicorn.run(app, host="0.0.0.0", port=8000)


if __name__ == "__main__":
    main()