cli.py

"""CLI entry point for the Binance Futures trading bot."""

import os
import sys
import traceback

import typer
from rich.console import Console

from bot.app import startup_and_run
from bot.config import ENV_PATH, ENV_TEMPLATE
from bot.logging_config import LOG_DIR, LOG_PATH

console = Console()
app = typer.Typer(name="trading-bot", no_args_is_help=False)


def _ensure_env_example() -> None:
    """Create .env.example if missing."""
    example = ENV_PATH.with_suffix(".env.example")
    if not example.exists():
        example.write_text(ENV_TEMPLATE.lstrip("\n"))
        console.print("[dim]Created .env.example[/dim]")


def _ensure_gitignore() -> None:
    """Add .env to .gitignore if not already present."""
    gi = ENV_PATH.parent / ".gitignore"
    if not gi.exists():
        gi.write_text("# Environment\n.env\n")
        console.print("[dim]Created .gitignore with .env entry[/dim]")
        return
    content = gi.read_text()
    if ".env" not in content:
        gi.write_text(content.rstrip("\n") + "\n\n# Environment\n.env\n")
        console.print("[dim]Appended .env to .gitignore[/dim]")


@app.command()
def run() -> None:
    """Launch the Binance Futures Trading Bot."""
    _ensure_env_example()
    _ensure_gitignore()
    try:
        startup_and_run()
    except typer.Exit:
        raise
    except Exception:
        os.makedirs(LOG_DIR, exist_ok=True)
        with open(LOG_PATH, "a") as f:
            f.write(f"Unhandled error:\n{traceback.format_exc()}")
        console.print("\n[red]✖ An unexpected error occurred.[/red]")
        console.print(
            f"[dim]Details written to {LOG_PATH}. "
            "No traceback shown to protect UX.[/dim]"
        )
        sys.exit(1)


def main() -> None:
    app()


if __name__ == "__main__":
    main()