#!/usr/bin/env python3
"""
main.py — Cloud Run entrypoint for OSVauco OPAX agent.
Exposes a minimal Flask HTTP API that wraps agent.run().
"""

import os
import sys

# Ensure agents/core-logic is on the path
sys.path.insert(0, os.path.join(os.path.dirname(__file__), "agents", "core-logic"))

from flask import Flask, request, jsonify
from agent import run  # agents/core-logic/agent.py

app = Flask(__name__)


@app.route("/health", methods=["GET"])
def health():
    return jsonify({"status": "ok"})


@app.route("/run", methods=["POST"])
def run_agent():
    body = request.get_json(force=True, silent=True) or {}
    message = body.get("message", "")
    user_id = body.get("user_id", "opax")
    session_id = body.get("session_id", "default")
    mode = body.get("mode", "A")

    if not message:
        return jsonify({"error": "'message' field required"}), 400

    try:
        response = run(
            message=message,
            user_id=user_id,
            session_id=session_id,
            mode=mode,
        )
        return jsonify({"response": response})
    except PermissionError as e:
        return jsonify({"error": str(e)}), 403
    except ValueError as e:
        return jsonify({"error": str(e)}), 400
    except Exception as e:
        return jsonify({"error": str(e)}), 500


if __name__ == "__main__":
    port = int(os.environ.get("PORT", 8080))
    app.run(host="0.0.0.0", port=port)