use std::path::PathBuf;

#[derive(Debug, Clone)]
pub struct PlayoutConfig {
    pub listen_addr: String,
    pub segment_duration_secs: u32,
    pub window_size: usize,
    pub storage_path: PathBuf,
    pub tick_interval_ms: u64,
}

impl PlayoutConfig {
    pub fn from_env() -> Self {
        Self {
            listen_addr: std::env::var("PLAYOUT_LISTEN_ADDR")
                .unwrap_or_else(|_| "0.0.0.0:9090".into()),
            segment_duration_secs: std::env::var("PLAYOUT_SEGMENT_DURATION")
                .ok()
                .and_then(|v| v.parse().ok())
                .unwrap_or(6),
            window_size: std::env::var("PLAYOUT_WINDOW_SIZE")
                .ok()
                .and_then(|v| v.parse().ok())
                .unwrap_or(10),
            storage_path: std::env::var("PLAYOUT_STORAGE_PATH")
                .map(PathBuf::from)
                .unwrap_or_else(|_| PathBuf::from("/tmp/k-tv-playout")),
            tick_interval_ms: std::env::var("PLAYOUT_TICK_INTERVAL_MS")
                .ok()
                .and_then(|v| v.parse().ok())
                .unwrap_or(1000),
        }
    }
}