//! Clap-derive subcommand definition for `maestro tui`.

#[derive(Debug, clap::Args)]
pub struct TuiArgs {
    /// Override the local daemon's HTTP base URL. Defaults to
    /// `[cli].daemon_url`, then the local `[daemon].bind_addr`, then
    /// `http://127.0.0.1:7070`.
    #[arg(long, env = "MAESTRO_DAEMON_URL")]
    pub daemon_url: Option<String>,
}

#[cfg(test)]
mod tests {
    use super::*;
    use clap::Parser;

    #[derive(Debug, Parser)]
    struct Harness {
        #[command(subcommand)]
        cmd: Cmd,
    }

    #[derive(Debug, clap::Subcommand)]
    enum Cmd {
        Tui(TuiArgs),
    }

    #[test]
    fn parses_with_daemon_url() {
        let h = Harness::try_parse_from(["maestro", "tui", "--daemon-url", "http://10.0.0.1:7070"])
            .unwrap();
        let Cmd::Tui(args) = h.cmd;
        assert_eq!(args.daemon_url.as_deref(), Some("http://10.0.0.1:7070"));
    }

    #[test]
    fn parses_without_daemon_url() {
        let h = Harness::try_parse_from(["maestro", "tui"]).unwrap();
        let Cmd::Tui(args) = h.cmd;
        assert!(args.daemon_url.is_none());
    }
}