pub fn parse_time_to_seconds(s: &str) -> Option<i64> {
    let parts: Vec<_> = s.trim().split(':').collect();
    match parts.len() {
        2 => {
            // MM:SS
            let minutes: i64 = parts[0].parse().ok()?;
            let seconds: i64 = parts[1].parse().ok()?;
            Some(minutes * 60 + seconds)
        }
        3 => {
            // HH:MM:SS
            let hours: i64 = parts[0].parse().ok()?;
            let minutes: i64 = parts[1].parse().ok()?;
            let seconds: i64 = parts[2].parse().ok()?;
            Some(hours * 3600 + minutes * 60 + seconds)
        }
        _ => None,
    }
}