# -*- coding: utf-8 -*-
"""Dedicated runtime service FastAPI surface."""

from __future__ import annotations

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

from backend.api import runtime_router
from backend.api.runtime import get_runtime_state
from backend.config.env_config import get_cors_origins


def create_app() -> FastAPI:
    """Create the runtime service app."""
    app = FastAPI(
        title="EvoTraders Runtime Service",
        description="Runtime lifecycle and gateway service surface extracted from the monolith",
        version="0.1.0",
    )

    app.add_middleware(
        CORSMiddleware,
        allow_origins=get_cors_origins(),
        allow_credentials=True,
        allow_methods=["*"],
        allow_headers=["*"],
    )

    @app.get("/health")
    async def health_check() -> dict[str, object]:
        """Health check for the runtime service."""
        runtime_state = get_runtime_state()
        process = runtime_state.gateway_process
        is_running = process is not None and process.poll() is None
        return {
            "status": "healthy",
            "service": "runtime-service",
            "gateway_running": is_running,
            "gateway_port": runtime_state.gateway_port,
        }

    @app.get("/api/status")
    async def api_status() -> dict[str, object]:
        """Service-level status payload for runtime orchestration."""
        runtime_state = get_runtime_state()
        process = runtime_state.gateway_process
        is_running = process is not None and process.poll() is None
        return {
            "status": "operational",
            "service": "runtime-service",
            "runtime": {
                "gateway_running": is_running,
                "gateway_port": runtime_state.gateway_port,
                "has_runtime_manager": runtime_state.runtime_manager is not None,
            },
        }

    app.include_router(runtime_router)
    return app


app = create_app()


if __name__ == "__main__":
    import uvicorn

    uvicorn.run(app, host="0.0.0.0", port=8003)