use std::process::Command;

fn command() -> Command {
    let mut cmd = Command::new(env!("CARGO_BIN_EXE_panda-rpki"));
    cmd.env_remove("PANDA_RPKI_LOG_LEVEL")
        .env_remove("PANDA_RPKI_LOG_FORMAT");
    cmd
}

#[test]
fn help_is_successful_and_goes_to_stdout() {
    for args in [vec![], vec!["--help"], vec!["-h"]] {
        let result = command().args(args).output().unwrap();
        assert!(result.status.success());
        assert!(String::from_utf8_lossy(&result.stdout).contains("panda-rpki"));
        assert!(result.stderr.is_empty());
    }
}

#[test]
fn invalid_command_returns_two_without_stdout() {
    let result = command().arg("not-a-command").output().unwrap();
    assert_eq!(result.status.code(), Some(2));
    assert!(result.stdout.is_empty());
    assert!(String::from_utf8_lossy(&result.stderr).contains("unknown command"));
}

#[test]
fn malformed_validation_arguments_do_not_create_outputs() {
    let directory = tempfile::tempdir().unwrap();
    for args in [
        vec!["validate", "--out", "output"],
        vec!["validate", "--unknown", "value"],
        vec!["validate", "--out"],
    ] {
        let result = command()
            .current_dir(directory.path())
            .args(args)
            .output()
            .unwrap();
        assert_eq!(result.status.code(), Some(2));
        assert!(result.stdout.is_empty());
        assert_eq!(std::fs::read_dir(directory.path()).unwrap().count(), 0);
    }
}

#[test]
fn missing_daemon_state_root_fails_without_creating_state() {
    let directory = tempfile::tempdir().unwrap();
    let result = command()
        .current_dir(directory.path())
        .args([
            "daemon",
            "--",
            "--tal",
            "missing.tal",
            "--ta",
            "missing.cer",
        ])
        .output()
        .unwrap();
    assert_eq!(result.status.code(), Some(2));
    assert_eq!(std::fs::read_dir(directory.path()).unwrap().count(), 0);
}