try:
    from openenv.core.env_server.http_server import create_app
except Exception as e:
    raise ImportError("openenv is required. Install with: pip install openenv-core") from e

from fastapi import Request
from fastapi.responses import JSONResponse
from uuid import uuid4
import json

from models import IncidentAction, IncidentObservation
from crisis_room_environment import CrisisRoomEnvironment, _SESSION, pick_incident, DIFFICULTY_CONFIG

app = create_app(
    CrisisRoomEnvironment,
    IncidentAction,
    IncidentObservation,
    env_name="crisis_room",
    max_concurrent_envs=1,
)


@app.post("/reset", include_in_schema=False)
async def reset_with_difficulty(request: Request):
    try:
        body = await request.json()
        difficulty = body.get("difficulty", None)
    except Exception:
        difficulty = None

    if difficulty not in ("easy", "medium", "hard"):
        difficulty = __import__("random").choice(["easy", "medium", "hard"])

    incident = pick_incident(difficulty)
    cfg = DIFFICULTY_CONFIG[difficulty]

    _SESSION.update({
        "episode_id": str(uuid4()),
        "step_count": 0,
        "max_steps": cfg["max_steps"],
        "incident": incident,
        "difficulty": difficulty,
        "actions_taken": [],
        "logs_checked": set(),
        "diagnostics_run": set(),
        "root_cause_confirmed": False,
        "services_restored": 0,
        "team_notified": False,
        "escalated": False,
        "resolved": False,
        "wrong_restarts": 0,
    })

    context = None
    if cfg["visible_logs"]:
        context = "Available logs: " + ", ".join(incident["logs"].keys())

    obs = IncidentObservation(
        step=0,
        max_steps=cfg["max_steps"],
        message=f"[{difficulty.upper()}] INCIDENT: {incident['title']}\n{context or 'Run check_logs or run_diagnostic to investigate.'}",
        difficulty=difficulty,
        episode_id=_SESSION["episode_id"],
        active_alerts=incident["initial_alerts"],
        service_status=incident["initial_status"],
        log_output=None,
        actions_taken=[],
        root_cause_found=False,
        services_restored=0,
        total_services_affected=len(incident["affected_services"]),
        partial_score=0.0,
        steps_remaining=cfg["max_steps"],
        done=False,
        reward=0.0,
    )
    return JSONResponse(content={"observation": obs.model_dump(), "reward": 0.0, "done": False})


@app.get("/tasks", include_in_schema=False)
async def list_tasks():
    return JSONResponse(content={
        "tasks": [
            {"name": "easy-incident", "difficulty": "easy", "max_steps": 8, "description": "Single service down, root cause visible in logs"},
            {"name": "medium-incident", "difficulty": "medium", "max_steps": 10, "description": "Cascading failure across multiple services"},
            {"name": "hard-incident", "difficulty": "hard", "max_steps": 12, "description": "Silent corruption or intermittent failure — no obvious alerts"},
        ]
    })


def main(host: str = "0.0.0.0", port: int = 8000) -> None:
    import uvicorn
    uvicorn.run(app, host=host, port=port)


if __name__ == "__main__":
    main()