#!/usr/bin/env python3
"""
Universal Model Trainer - Entry Point

Run the FastAPI application with Uvicorn server.
"""

import os
import sys
import uvicorn
import argparse
from pathlib import Path

# Add the project root to Python path
sys.path.insert(0, str(Path(__file__).parent))


def parse_args():
    """Parse command line arguments."""
    parser = argparse.ArgumentParser(
        description="Universal Model Trainer - HuggingFace Spaces"
    )
    parser.add_argument(
        "--host",
        type=str,
        default=os.getenv("HOST", "0.0.0.0"),
        help="Host to bind the server to"
    )
    parser.add_argument(
        "--port",
        type=int,
        default=int(os.getenv("PORT", 7860)),
        help="Port to bind the server to"
    )
    parser.add_argument(
        "--workers",
        type=int,
        default=int(os.getenv("WORKERS", 1)),
        help="Number of worker processes"
    )
    parser.add_argument(
        "--reload",
        action="store_true",
        default=os.getenv("RELOAD", "false").lower() == "true",
        help="Enable auto-reload for development"
    )
    parser.add_argument(
        "--log-level",
        type=str,
        default=os.getenv("LOG_LEVEL", "info"),
        choices=["critical", "error", "warning", "info", "debug", "trace"],
        help="Log level"
    )
    return parser.parse_args()


def main():
    """Main entry point."""
    args = parse_args()
    
    print(f"""
    ╔══════════════════════════════════════════════════════════════╗
    ║           UNIVERSAL MODEL TRAINER - STARTING...               ║
    ╠══════════════════════════════════════════════════════════════╣
    ║  Host: {args.host:<54} ║
    ║  Port: {args.port:<54} ║
    ║  Workers: {args.workers:<52} ║
    ║  Log Level: {args.log_level:<49} ║
    ║  Reload: {str(args.reload):<53} ║
    ╚══════════════════════════════════════════════════════════════╝
    """)
    
    # Create necessary directories
    directories = [
        "uploads",
        "models",
        "logs",
        "cache",
        "outputs",
        "checkpoints",
        "app/static/css",
        "app/static/js",
        "app/templates"
    ]
    
    for directory in directories:
        Path(directory).mkdir(parents=True, exist_ok=True)
    
    # Run the server
    uvicorn.run(
        "app.main:app",
        host=args.host,
        port=args.port,
        workers=args.workers,
        reload=args.reload,
        log_level=args.log_level,
        access_log=True,
        use_colors=True
    )


if __name__ == "__main__":
    main()