"""Media Server - FastAPI application entry point."""

import argparse
import logging
import sys
from contextlib import asynccontextmanager

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

from .config import settings, generate_default_config, get_config_dir
from .routes import health_router, media_router, scripts_router


def setup_logging():
    """Configure application logging."""
    logging.basicConfig(
        level=getattr(logging, settings.log_level.upper()),
        format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
        handlers=[logging.StreamHandler(sys.stdout)],
    )


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Application lifespan handler."""
    setup_logging()
    logger = logging.getLogger(__name__)
    logger.info(f"Media Server starting on {settings.host}:{settings.port}")
    logger.info(f"API Token: {settings.api_token[:8]}...")
    yield
    logger.info("Media Server shutting down")


def create_app() -> FastAPI:
    """Create and configure the FastAPI application."""
    app = FastAPI(
        title="Media Server",
        description="REST API for controlling system media playback",
        version="1.0.0",
        lifespan=lifespan,
    )

    # Add CORS middleware for cross-origin requests
    app.add_middleware(
        CORSMiddleware,
        allow_origins=["*"],
        allow_credentials=True,
        allow_methods=["*"],
        allow_headers=["*"],
    )

    # Register routers
    app.include_router(health_router)
    app.include_router(media_router)
    app.include_router(scripts_router)

    return app


app = create_app()


def main():
    """Main entry point for running the server."""
    parser = argparse.ArgumentParser(description="Media Server")
    parser.add_argument(
        "--host",
        default=settings.host,
        help=f"Host to bind to (default: {settings.host})",
    )
    parser.add_argument(
        "--port",
        type=int,
        default=settings.port,
        help=f"Port to bind to (default: {settings.port})",
    )
    parser.add_argument(
        "--generate-config",
        action="store_true",
        help="Generate a default configuration file and exit",
    )
    parser.add_argument(
        "--show-token",
        action="store_true",
        help="Show the current API token and exit",
    )

    args = parser.parse_args()

    if args.generate_config:
        config_path = generate_default_config()
        print(f"Configuration file generated at: {config_path}")
        print(f"API Token has been saved to the config file.")
        return

    if args.show_token:
        print(f"API Token: {settings.api_token}")
        print(f"Config directory: {get_config_dir()}")
        return

    uvicorn.run(
        "media_server.main:app",
        host=args.host,
        port=args.port,
        reload=False,
    )


if __name__ == "__main__":
    main()