#!/usr/bin/env python3
"""Lines, Words, Characters counter - A simple text file analysis tool."""

import sys
from pathlib import Path


def count_file(path: str) -> dict:
    """Return lines, words, and characters in a file."""
    text = Path(path).read_text()
    lines = text.count('\n') + (1 if text and not text.endswith('\n') else 0)
    if not text:
        lines = 0
    words = len(text.split())
    chars = len(text)
    return {"lines": lines, "words": words, "chars": chars}


if __name__ == "__main__":
    if len(sys.argv) != 2:
        print("Usage: lwc_counter.py <file>", file=sys.stderr)
        sys.exit(1)
    result = count_file(sys.argv[1])
    print(f"Lines: {result['lines']}")
    print(f"Words: {result['words']}")
    print(f"Chars: {result['chars']}")