import os
import readline
import argparse
from datetime import datetime
import time

# --- Tab Completion ---
def complete_path(text, state):
    expanded = os.path.expanduser(os.path.expandvars(text))
    if os.path.isdir(expanded):
        try:
            entries = os.listdir(expanded)
            matches = [os.path.abspath(os.path.join(expanded, entry)) + '/'
                       if os.path.isdir(os.path.join(expanded, entry))
                       else os.path.abspath(os.path.join(expanded, entry))
                       for entry in entries]
        except FileNotFoundError:
            matches = []
    else:
        dirname = os.path.dirname(expanded) or '.'
        basename = os.path.basename(expanded)
        try:
            entries = [entry for entry in os.listdir(dirname) if entry.startswith(basename)]
            matches = [os.path.abspath(os.path.join(dirname, entry)) for entry in entries]
        except FileNotFoundError:
            matches = []
    matches.sort()
    try:
        return matches[state]
    except IndexError:
        return None

readline.set_completer_delims(' \t\n;')
readline.set_completer(complete_path)
readline.parse_and_bind('tab: complete')

# --- Argument Parsing ---
parser = argparse.ArgumentParser(description="Write messages to a file with optional verbosity and interval.")
parser.add_argument("filename", nargs="?", help="Path to the file to write to.")
parser.add_argument("--verbose", action="store_true", help="Print each message to console.")
parser.add_argument("--interval", type=float, default=1.0, help="Delay between writes in seconds.")
args = parser.parse_args()

# --- Filename prompt fallback ---
file_path = args.filename or input("Enter filename: ")

# --- Message writing loop ---
name = "hi"
age = 30
max_iterations = 1000

try:
    for i in range(max_iterations):
        timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
        message = f"[{timestamp}] My name is {name} and I am {age} years old.\n"
        with open(file_path, "a") as file:
            file.write(message)
        if args.verbose:
            print(message.strip())
        time.sleep(args.interval)
except KeyboardInterrupt:
    print("\n[Interrupted] Ctrl+C detected. Stopped writing to file.")