// file: crates/ksp-wallet-lib/unit_tests/payload.rs
// version: 3

use base64::Engine; // rust-rules: trait-import

#[test]
fn metadata_payload_rejects_duplicate_note_identifiers() -> ksp_core_lib::Result<()> {
    let duplicate_id = base64::engine::general_purpose::URL_SAFE_NO_PAD.encode([7_u8; crate::KSPWALLET_V1_NOTE_ID_BYTES]);
    let payload = serde_json::json!({
        "pubkey": "11111111111111111111111111111111",
        "alias": null,
        "notes": [
            {"id": duplicate_id.clone(), "text": "first"},
            {"id": duplicate_id, "text": "second"}
        ]
    });
    let encoded = match serde_json::to_vec(&payload) {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(_) => return std::result::Result::Err(test_error("test metadata payload could not be serialized")),
    };
    let result = crate::decode_metadata_payload(encoded.as_slice());
    let error = match result {
        std::result::Result::Ok(_) => return std::result::Result::Err(test_error("duplicate note identifiers unexpectedly parsed")),
        std::result::Result::Err(error) => error,
    };
    assert_eq!(error.code(), crate::ERROR_CODE_FORMAT_INVALID);
    return std::result::Result::Ok(());
}

fn test_error(message: &'static str) -> ksp_core_lib::Error {
    return ksp_core_lib::Error::new(crate::ERROR_CODE_FORMAT_INVALID, message);
}