#!/usr/bin/env python3

import argparse
from datetime import datetime

def time_difference(time1, time2):
    # Define the time format
    time_format = "%H:%M:%S"
    
    # Convert strings to datetime objects
    t1 = datetime.strptime(time1, time_format)
    t2 = datetime.strptime(time2, time_format)
    
    # Calculate the difference between the two times
    delta = t2 - t1 if t2 > t1 else t1 - t2
    
    # Extract total seconds from the timedelta object
    total_seconds = int(delta.total_seconds())
    
    # Calculate hours, minutes, and seconds from the total seconds
    hours, remainder = divmod(total_seconds, 3600)
    minutes, seconds = divmod(remainder, 60)
    
    # Return the formatted time difference with leading zeros
    return f"{hours:02}:{minutes:02}:{seconds:02}"

if __name__ == "__main__":
    # Set up command-line argument parsing
    parser = argparse.ArgumentParser(description="Calculate the difference between two times in hh:mm:ss format.")
    
    # Add positional arguments for the two time durations
    parser.add_argument("time1", type=str, help="The first time in hh:mm:ss format")
    parser.add_argument("time2", type=str, help="The second time in hh:mm:ss format")
    parser.add_argument("video", type=str, help="video")
    
    # Parse the command-line arguments
    args = parser.parse_args()
    
    # Calculate and print the time difference
    difference = time_difference(args.time1, args.time2)
    print(f"Difference: {difference}")
    print(f"ffmpeg -ss {args.time2} -i {args.video} -to {difference} -c copy output.mp4")