"""
MiroFish Backend entry point
"""

import os
import sys

# Fix Chinese garbled output in Windows console: set UTF-8 encoding before all imports
if sys.platform == "win32":
    # Set environment variable to ensure Python uses UTF-8
    os.environ.setdefault("PYTHONIOENCODING", "utf-8")
    # Reconfigure standard output streams to UTF-8
    if hasattr(sys.stdout, "reconfigure"):
        sys.stdout.reconfigure(encoding="utf-8", errors="replace")
    if hasattr(sys.stderr, "reconfigure"):
        sys.stderr.reconfigure(encoding="utf-8", errors="replace")

# Add project root directory to path
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))

from app import create_app
from app.config import Config


def main():
    """Main function"""
    # Validate configuration
    errors = Config.validate()
    if errors:
        print("Configuration errors:")
        for err in errors:
            print(f"  - {err}")
        print("\nPlease check the configuration in the .env file")
        sys.exit(1)

    # Create application
    app = create_app()

    # Get runtime config
    host = os.environ.get("FLASK_HOST", "0.0.0.0")
    port = int(os.environ.get("FLASK_PORT", 5001))
    debug = Config.DEBUG

    # Start service
    app.run(host=host, port=port, debug=debug, threaded=True)


if __name__ == "__main__":
    main()