use sanctum::sync::validate_node_name;

#[test]
fn test_validate_node_name_rejections() {
    // 1. Leere Namen
    assert!(validate_node_name("").is_err());

    // 2. Relative Verzeichnisreferenzen
    assert!(validate_node_name(".").is_err());
    assert!(validate_node_name("..").is_err());

    // 3. Pfadtrenner
    assert!(validate_node_name("foo/bar").is_err());
    assert!(validate_node_name("foo\\bar").is_err());
    assert!(validate_node_name("../evil.exe").is_err());
    assert!(validate_node_name("..\\evil.exe").is_err());
    assert!(validate_node_name("/root_file").is_err());

    // 4. Null-Bytes
    assert!(validate_node_name("test\0file.txt").is_err());

    // 5. Steuerzeichen (< 0x20)
    assert!(validate_node_name("line\nbreak.txt").is_err());
    assert!(validate_node_name("carriage\rreturn.txt").is_err());
    assert!(validate_node_name("tab\tseparated.txt").is_err());
    assert!(validate_node_name("control\x01char.txt").is_err());

    // 6. Windows reservierte Gerätenamen
    let reserved_names = [
        "CON", "con", "prn", "PRN", "aux", "AUX", "nul", "NUL",
        "COM1", "com2", "COM9", "lpt1", "LPT2", "LPT9",
        "con.txt", "aux.dat", "NUL.tar.gz", "com1.log", "prn.pdf",
    ];
    for res in reserved_names {
        assert!(
            validate_node_name(res).is_err(),
            "Reservierter Name '{}' muss abgewiesen werden",
            res
        );
    }
}

#[test]
fn test_validate_node_name_accepted() {
    let valid_names = [
        "document.pdf",
        "my_notes_2026.txt",
        "archive.tar.gz",
        "spaces are allowed.docx",
        "unicode_äöü_ß_test.rs",
        "hyphens-and_underscores.json",
        "file (1).jpg",
        "normal_file",
    ];
    for valid in valid_names {
        assert!(
            validate_node_name(valid).is_ok(),
            "Gültiger Name '{}' sollte akzeptiert werden",
            valid
        );
    }
}