// ABOUTME: Unit-Tests für CLI-Argument-Parsing und Validierung.
// ABOUTME: Testet clap-Constraints wie Sidetone Range-Validierung.

use clap::Parser;
use corsairctl::cli::Cli;

/// Hilfsfunktion: Parst CLI-Argumente aus einem String-Slice.
fn parse_args(args: &[&str]) -> Result<Cli, clap::Error> {
    Cli::try_parse_from(args)
}

#[test]
fn sidetone_rejects_negative() {
    let result = parse_args(&["corsairctl", "sidetone", "--", "-1"]);
    assert!(result.is_err());
}

#[test]
fn sidetone_rejects_above_23() {
    let result = parse_args(&["corsairctl", "sidetone", "24"]);
    assert!(result.is_err());
}

#[test]
fn sidetone_accepts_valid() {
    let result = parse_args(&["corsairctl", "sidetone", "15"]);
    assert!(result.is_ok());
}

#[test]
fn sidetone_accepts_zero() {
    let result = parse_args(&["corsairctl", "sidetone", "0"]);
    assert!(result.is_ok());
}

#[test]
fn sidetone_accepts_max() {
    let result = parse_args(&["corsairctl", "sidetone", "23"]);
    assert!(result.is_ok());
}

#[test]
fn sidetone_without_value_is_read_mode() {
    let result = parse_args(&["corsairctl", "sidetone"]);
    assert!(result.is_ok());
}