// file: crates/ksp-wallet-lib/unit_tests/wire.rs
// version: 4

const FIXTURE: &[u8] = include_bytes!("../tests/fixtures/kspwallet_v1_wire_only.json");

#[test]
fn strict_v1_fixture_parses_and_round_trips_semantically() -> ksp_core_lib::Result<()> {
    let parsed = match crate::KspWalletEnvelopeV1::parse_json(FIXTURE) {
        std::result::Result::Ok(parsed) => parsed,
        std::result::Result::Err(error) => return std::result::Result::Err(error),
    };
    assert_eq!(parsed.format_version(), crate::KSPWALLET_FORMAT_VERSION_V1);
    assert!(parsed.view_descriptor().enabled());
    assert_eq!(parsed.owner_slot().role(), crate::WalletKeySlotRoleV1::Owner);
    assert_eq!(parsed.view_slot().map(crate::WalletKeySlotV1::role), std::option::Option::Some(crate::WalletKeySlotRoleV1::View));
    assert_eq!(parsed.owner_control().payload_version(), 1);
    assert_eq!(parsed.metadata().payload_version(), 1);
    assert_eq!(parsed.secret().payload_version(), 1);
    let serialized = match parsed.to_json_bytes() {
        std::result::Result::Ok(serialized) => serialized,
        std::result::Result::Err(error) => return std::result::Result::Err(error),
    };
    let reparsed = match crate::KspWalletEnvelopeV1::parse_json(serialized.as_slice()) {
        std::result::Result::Ok(reparsed) => reparsed,
        std::result::Result::Err(error) => return std::result::Result::Err(error),
    };
    assert_eq!(parsed, reparsed);
    return std::result::Result::Ok(());
}

#[test]
fn unknown_format_version_is_rejected_before_v1_shape_validation() {
    let source = std::string::String::from_utf8_lossy(FIXTURE).replace("\"format_version\": 1", "\"format_version\": 2");
    let result = crate::KspWalletEnvelopeV1::parse_json(source.as_bytes());
    assert!(result.is_err());
    let error = match result {
        std::result::Result::Err(error) => error,
        std::result::Result::Ok(_) => return,
    };
    assert_eq!(error.code(), crate::ERROR_CODE_FORMAT_VERSION_UNSUPPORTED);
}

#[test]
fn unknown_top_level_field_is_rejected() {
    let source = std::string::String::from_utf8_lossy(FIXTURE).replacen("{", "{\n  \"unexpected\": true,", 1);
    let result = crate::KspWalletEnvelopeV1::parse_json(source.as_bytes());
    assert!(result.is_err());
    let error = match result {
        std::result::Result::Err(error) => error,
        std::result::Result::Ok(_) => return,
    };
    assert_eq!(error.code(), crate::ERROR_CODE_FORMAT_INVALID);
}

#[test]
fn padded_or_noncanonical_base64url_is_rejected() {
    let source = std::string::String::from_utf8_lossy(FIXTURE)
        .replace("AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8\"", "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8=\"");
    let result = crate::KspWalletEnvelopeV1::parse_json(source.as_bytes());
    assert!(result.is_err());
    let error = match result {
        std::result::Result::Err(error) => error,
        std::result::Result::Ok(_) => return,
    };
    assert_eq!(error.code(), crate::ERROR_CODE_FORMAT_INVALID);
}

#[test]
fn enabled_view_descriptor_must_match_the_view_slot() {
    let source =
        std::string::String::from_utf8_lossy(FIXTURE).replacen("\"slot_id\": \"ICEiIyQlJicoKSorLC0uLw\"", "\"slot_id\": \"EBESExQVFhcYGRobHB0eHw\"", 1);
    let result = crate::KspWalletEnvelopeV1::parse_json(source.as_bytes());
    assert!(result.is_err());
    let error = match result {
        std::result::Result::Err(error) => error,
        std::result::Result::Ok(_) => return,
    };
    assert_eq!(error.code(), crate::ERROR_CODE_FORMAT_INVALID);
}

#[test]
fn zero_or_pathological_kdf_parameters_are_rejected_before_crypto() {
    let zero_source = std::string::String::from_utf8_lossy(FIXTURE).replacen("\"memory_kib\": 65536", "\"memory_kib\": 0", 1);
    let zero_result = crate::KspWalletEnvelopeV1::parse_json(zero_source.as_bytes());
    assert!(zero_result.is_err());
    let zero_error = match zero_result {
        std::result::Result::Err(error) => error,
        std::result::Result::Ok(_) => return,
    };
    assert_eq!(zero_error.code(), crate::ERROR_CODE_CRYPTO_PARAMETERS_INVALID);
    let high_source = std::string::String::from_utf8_lossy(FIXTURE).replacen("\"memory_kib\": 65536", "\"memory_kib\": 1048577", 1);
    let high_result = crate::KspWalletEnvelopeV1::parse_json(high_source.as_bytes());
    assert!(high_result.is_err());
    let high_error = match high_result {
        std::result::Result::Err(error) => error,
        std::result::Result::Ok(_) => return,
    };
    assert_eq!(high_error.code(), crate::ERROR_CODE_CRYPTO_PARAMETERS_INVALID);
}

#[test]
fn argon2_memory_must_cover_all_lanes_before_crypto() {
    let source = std::string::String::from_utf8_lossy(FIXTURE).replacen("\"memory_kib\": 65536", "\"memory_kib\": 8", 1).replacen(
        "\"parallelism\": 1",
        "\"parallelism\": 2",
        1,
    );
    let result = crate::KspWalletEnvelopeV1::parse_json(source.as_bytes());
    assert!(result.is_err());
    let error = match result {
        std::result::Result::Err(error) => error,
        std::result::Result::Ok(_) => return,
    };
    assert_eq!(error.code(), crate::ERROR_CODE_CRYPTO_PARAMETERS_INVALID);
}

#[test]
fn oversized_document_is_rejected_before_json_or_crypto() {
    let oversized = std::vec![b' '; crate::KSPWALLET_MAX_FILE_BYTES + 1];
    let result = crate::KspWalletEnvelopeV1::parse_json(oversized.as_slice());
    assert!(result.is_err());
    let error = match result {
        std::result::Result::Err(error) => error,
        std::result::Result::Ok(_) => return,
    };
    assert_eq!(error.code(), crate::ERROR_CODE_FORMAT_INVALID);
}

#[test]
fn envelope_debug_does_not_render_ciphertext_contents() -> ksp_core_lib::Result<()> {
    let parsed = match crate::KspWalletEnvelopeV1::parse_json(FIXTURE) {
        std::result::Result::Ok(parsed) => parsed,
        std::result::Result::Err(error) => return std::result::Result::Err(error),
    };
    let rendered = format!("{parsed:?}");
    assert!(rendered.contains("ciphertext_bytes"));
    assert!(!rendered.contains("gIGCg4SFhoeIiYqLjI2Oj5CRkpOUlZaXmJmam5ydnp8"));
    assert!(!rendered.contains("wMHCw8TFxsfIycrLzM3Oz9DR0tPU1dbX2Nna29zd3t_g4eLj5OXm5-jp6uvs7e7v"));
    return std::result::Result::Ok(());
}