// file: crates/ksp-onchain-transport-lib/unit_tests/rpc_transactions.rs
// version: 1

#[test]
fn transaction_encoding_strings_match_current_and_legacy_wire_labels() {
    assert_eq!(crate::SolanaTransactionBinaryEncoding::Base58.as_str(), "base58");
    assert_eq!(crate::SolanaTransactionBinaryEncoding::Base64.as_str(), "base64");
    assert_eq!(crate::SolanaTransactionEncoding::Binary.as_str(), "binary");
    assert_eq!(crate::SolanaTransactionEncoding::Base58.as_str(), "base58");
    assert_eq!(crate::SolanaTransactionEncoding::Base64.as_str(), "base64");
    assert_eq!(crate::SolanaTransactionEncoding::Json.as_str(), "json");
    assert_eq!(crate::SolanaTransactionEncoding::JsonParsed.as_str(), "jsonParsed");
}

#[test]
fn wire_field_preserves_omitted_null_and_value_states() {
    #[derive(serde::Deserialize)]
    struct Holder {
        #[serde(default)]
        field: crate::SolanaWireField<u64>,
    }

    let omitted = serde_json::from_value::<Holder>(serde_json::json!({})).expect("omitted fixture must decode");
    let null = serde_json::from_value::<Holder>(serde_json::json!({"field": null})).expect("null fixture must decode");
    let value = serde_json::from_value::<Holder>(serde_json::json!({"field": 7})).expect("value fixture must decode");
    assert!(omitted.field.is_omitted());
    assert!(!omitted.field.is_null());
    assert_eq!(omitted.field.value(), std::option::Option::None);
    assert!(null.field.is_null());
    assert!(!null.field.is_omitted());
    assert_eq!(null.field.value(), std::option::Option::None);
    assert_eq!(value.field.value(), std::option::Option::Some(&7));
}

#[test]
fn get_transaction_config_serializes_modern_object_without_legacy_overload() {
    let config = crate::SolanaGetTransactionConfig::new(
        std::option::Option::Some(crate::SolanaCommitment::Confirmed),
        std::option::Option::Some(crate::SolanaTransactionEncoding::JsonParsed),
        std::option::Option::Some(0),
    );
    assert!(!config.is_empty());
    assert_eq!(config.to_json_value(), serde_json::json!({"commitment":"confirmed","encoding":"jsonParsed","maxSupportedTransactionVersion":0}));
    assert!(crate::SolanaGetTransactionConfig::default().is_empty());
    assert_eq!(crate::SolanaGetTransactionConfig::default().to_json_value(), serde_json::json!({}));
}

#[test]
fn signatures_for_address_config_preserves_pagination_and_context_order_independently() {
    let config = crate::SolanaSignaturesForAddressConfig::new(
        std::option::Option::Some("before-signature".to_owned()),
        std::option::Option::Some("until-signature".to_owned()),
        std::option::Option::Some(25),
        std::option::Option::Some(crate::SolanaCommitment::Finalized),
        std::option::Option::Some(430_000_000),
    );
    assert_eq!(config.before(), std::option::Option::Some("before-signature"));
    assert_eq!(config.until(), std::option::Option::Some("until-signature"));
    assert_eq!(config.limit(), std::option::Option::Some(25));
    assert_eq!(config.commitment(), std::option::Option::Some(crate::SolanaCommitment::Finalized));
    assert_eq!(config.min_context_slot(), std::option::Option::Some(430_000_000));
    assert_eq!(
        config.to_json_value(),
        serde_json::json!({
            "before":"before-signature",
            "until":"until-signature",
            "limit":25,
            "commitment":"finalized",
            "minContextSlot":430000000
        })
    );
    assert!(crate::SolanaSignaturesForAddressConfig::default().is_empty());
}

#[test]
fn signature_status_and_airdrop_configs_preserve_explicit_options() {
    let status = crate::SolanaSignatureStatusesConfig::new(std::option::Option::Some(false));
    assert_eq!(status.search_transaction_history(), std::option::Option::Some(false));
    assert_eq!(status.to_json_value(), serde_json::json!({"searchTransactionHistory":false}));
    let airdrop = crate::SolanaRequestAirdropConfig::new(
        std::option::Option::Some("recent-blockhash".to_owned()),
        std::option::Option::Some(crate::SolanaCommitment::Confirmed),
    );
    assert_eq!(airdrop.recent_blockhash(), std::option::Option::Some("recent-blockhash"));
    assert_eq!(airdrop.commitment(), std::option::Option::Some(crate::SolanaCommitment::Confirmed));
    assert_eq!(airdrop.to_json_value(), serde_json::json!({"recentBlockhash":"recent-blockhash","commitment":"confirmed"}));
}

#[test]
fn send_transaction_config_keeps_node_retries_distinct_from_transport_policy() {
    let config = crate::SolanaSendTransactionConfig::new(
        std::option::Option::Some(true),
        std::option::Option::Some(crate::SolanaCommitment::Processed),
        std::option::Option::Some(crate::SolanaTransactionBinaryEncoding::Base64),
        std::option::Option::Some(4),
        std::option::Option::Some(430_000_000),
    );
    assert_eq!(config.skip_preflight(), std::option::Option::Some(true));
    assert_eq!(config.max_retries(), std::option::Option::Some(4));
    assert_eq!(
        config.to_json_value(),
        serde_json::json!({
            "skipPreflight":true,
            "preflightCommitment":"processed",
            "encoding":"base64",
            "maxRetries":4,
            "minContextSlot":430000000
        })
    );
    assert!(crate::SolanaSendTransactionConfig::default().is_empty());
}

#[test]
fn simulate_transaction_config_serializes_accounts_and_flags_without_decoding_transaction() {
    let address = "11111111111111111111111111111111".parse::<ksp_core_lib::Pubkey>().expect("fixture pubkey must parse");
    let accounts = crate::SolanaSimulationAccountsConfig::new(std::option::Option::Some(crate::SolanaAccountEncoding::Base64), std::vec![address]);
    let config = crate::SolanaSimulateTransactionConfig::new(
        std::option::Option::Some(crate::SolanaCommitment::Confirmed),
        std::option::Option::Some(crate::SolanaTransactionBinaryEncoding::Base64),
        std::option::Option::Some(true),
        std::option::Option::Some(false),
        std::option::Option::Some(430_000_000),
        std::option::Option::Some(true),
        std::option::Option::Some(accounts),
    );
    assert_eq!(config.encoding(), std::option::Option::Some(crate::SolanaTransactionBinaryEncoding::Base64));
    assert_eq!(config.replace_recent_blockhash(), std::option::Option::Some(true));
    assert_eq!(config.sig_verify(), std::option::Option::Some(false));
    assert_eq!(config.accounts().expect("accounts config must be present").addresses(), &[address]);
    assert_eq!(
        config.to_json_value(),
        serde_json::json!({
            "commitment":"confirmed",
            "encoding":"base64",
            "replaceRecentBlockhash":true,
            "sigVerify":false,
            "minContextSlot":430000000,
            "innerInstructions":true,
            "accounts":{"encoding":"base64","addresses":["11111111111111111111111111111111"]}
        })
    );
    assert!(crate::SolanaSimulateTransactionConfig::default().is_empty());
}

#[test]
fn latest_blockhash_fixture_decodes_shared_result() {
    let value =
        serde_json::from_str::<serde_json::Value>(include_str!("../fixtures/http/latest_blockhash.v4_2_1.json")).expect("latest blockhash fixture must decode");
    let blockhash = crate::SolanaLatestBlockhash::decode_wire("getLatestBlockhash", value).expect("latest blockhash must decode");
    assert_eq!(blockhash.blockhash(), "11111111111111111111111111111111");
    assert_eq!(blockhash.last_valid_block_height(), 430_123_456);
}

#[test]
fn latest_blockhash_rejects_empty_wire_value() {
    let result = crate::SolanaLatestBlockhash::decode_wire("getLatestBlockhash", serde_json::json!({"blockhash":"","lastValidBlockHeight":430123456}));
    assert_eq!(result.expect_err("empty blockhash must fail closed").code(), crate::ERROR_CODE_INVALID_RESPONSE);
}

#[test]
fn prioritization_fee_fixture_preserves_server_order() {
    let values = serde_json::from_str::<std::vec::Vec<serde_json::Value>>(include_str!("../fixtures/http/prioritization_fee.v4_2_1.json"))
        .expect("prioritization fee fixture must decode");
    let first = crate::SolanaPrioritizationFee::decode_wire("getRecentPrioritizationFees", values[0].clone()).expect("first fee must decode");
    let second = crate::SolanaPrioritizationFee::decode_wire("getRecentPrioritizationFees", values[1].clone()).expect("second fee must decode");
    assert_eq!(first.slot(), 430_000_123);
    assert_eq!(first.prioritization_fee(), 1_000);
    assert_eq!(second.slot(), 430_000_122);
    assert_eq!(second.prioritization_fee(), 0);
}

#[test]
fn signature_info_fixture_accepts_current_transaction_index_and_older_omission() {
    let values = serde_json::from_str::<std::vec::Vec<serde_json::Value>>(include_str!("../fixtures/http/signature_info.v4_2_1.json"))
        .expect("signature info fixture must decode");
    let current = crate::SolanaSignatureInfo::decode_wire("getSignaturesForAddress", values[0].clone()).expect("current signature info must decode");
    let older = crate::SolanaSignatureInfo::decode_wire("getSignaturesForAddress", values[1].clone()).expect("older signature info must decode");
    assert_eq!(current.slot(), 430_000_123);
    assert_eq!(current.memo(), std::option::Option::Some("fixture memo"));
    assert_eq!(current.transaction_index(), std::option::Option::Some(7));
    assert_eq!(current.confirmation_status(), std::option::Option::Some(crate::SolanaTransactionConfirmationStatus::Finalized));
    assert_eq!(older.transaction_index(), std::option::Option::None);
    assert!(older.err().is_some());
    assert_eq!(older.confirmation_status(), std::option::Option::Some(crate::SolanaTransactionConfirmationStatus::Confirmed));
}

#[test]
fn signature_status_fixture_preserves_position_null_and_legacy_status_value() {
    let values = serde_json::from_str::<std::vec::Vec<serde_json::Value>>(include_str!("../fixtures/http/signature_status.variants.json"))
        .expect("signature status fixture must decode");
    assert!(values[0].is_null());
    let rooted = crate::SolanaSignatureStatus::decode_wire("getSignatureStatuses", values[1].clone()).expect("rooted signature status must decode");
    let errored = crate::SolanaSignatureStatus::decode_wire("getSignatureStatuses", values[2].clone()).expect("errored signature status must decode");
    assert_eq!(rooted.confirmations(), std::option::Option::None);
    assert_eq!(rooted.status(), &serde_json::json!({"Ok":null}));
    assert_eq!(rooted.confirmation_status(), std::option::Option::Some(crate::SolanaTransactionConfirmationStatus::Finalized));
    assert_eq!(errored.confirmations(), std::option::Option::Some(3));
    assert!(errored.err().is_some());
}

#[test]
fn unknown_confirmation_status_is_rejected_as_invalid_response() {
    let result = crate::SolanaSignatureStatus::decode_wire(
        "getSignatureStatuses",
        serde_json::json!({"slot":1,"confirmations":0,"status":{"Ok":null},"err":null,"confirmationStatus":"future-status"}),
    );
    let error = result.expect_err("unknown confirmation status must fail closed");
    assert_eq!(error.code(), crate::ERROR_CODE_INVALID_RESPONSE);
}

#[test]
fn encoded_transaction_fixture_preserves_legacy_binary_tuple_and_json_shapes() {
    let values = serde_json::from_str::<std::vec::Vec<serde_json::Value>>(include_str!("../fixtures/http/encoded_transaction.variants.json"))
        .expect("encoded transaction fixture must decode");
    let legacy = crate::SolanaEncodedTransaction::decode_wire("getTransaction", values[0].clone()).expect("legacy transaction must decode");
    let binary = crate::SolanaEncodedTransaction::decode_wire("getTransaction", values[1].clone()).expect("binary transaction must decode");
    let json = crate::SolanaEncodedTransaction::decode_wire("getTransaction", values[2].clone()).expect("JSON transaction must decode");
    assert!(matches!(legacy, crate::SolanaEncodedTransaction::LegacyBinary(_)));
    assert!(matches!(binary, crate::SolanaEncodedTransaction::Binary { encoding: crate::SolanaTransactionBinaryEncoding::Base64, .. }));
    assert!(matches!(json, crate::SolanaEncodedTransaction::Json(_)));
    let invalid = crate::SolanaEncodedTransaction::decode_wire("getTransaction", serde_json::json!(["payload", "json"]));
    assert_eq!(invalid.expect_err("non-binary tuple encoding must fail").code(), crate::ERROR_CODE_INVALID_RESPONSE);
}

#[test]
fn confirmed_transaction_fixture_preserves_meta_version_and_transaction_index_states() {
    let values = serde_json::from_str::<std::vec::Vec<serde_json::Value>>(include_str!("../fixtures/http/confirmed_transaction.variants.json"))
        .expect("confirmed transaction fixture must decode");
    let current = crate::SolanaConfirmedTransaction::decode_wire("getTransaction", values[0].clone()).expect("current transaction must decode");
    let legacy = crate::SolanaConfirmedTransaction::decode_wire("getTransaction", values[1].clone()).expect("legacy transaction must decode");
    let omitted = crate::SolanaConfirmedTransaction::decode_wire("getTransaction", values[2].clone()).expect("omitted-field transaction must decode");
    assert_eq!(current.slot(), 430_000_123);
    assert_eq!(current.version().value(), std::option::Option::Some(&crate::SolanaTransactionVersion::Number(0)));
    assert_eq!(current.transaction_index().value(), std::option::Option::Some(&7));
    assert!(current.meta().value().is_some());
    assert_eq!(legacy.version().value(), std::option::Option::Some(&crate::SolanaTransactionVersion::Legacy));
    assert!(legacy.meta().is_null());
    assert!(legacy.transaction_index().is_null());
    assert!(omitted.meta().is_omitted());
    assert!(omitted.version().is_omitted());
    assert!(omitted.transaction_index().is_omitted());
}

#[test]
fn confirmed_transaction_rejects_unknown_version_shape() {
    let result = crate::SolanaConfirmedTransaction::decode_wire(
        "getTransaction",
        serde_json::json!({"slot":1,"blockTime":null,"transaction":"legacy","meta":null,"version":"v0"}),
    );
    assert_eq!(result.expect_err("unknown version label must fail").code(), crate::ERROR_CODE_INVALID_RESPONSE);
}

#[test]
fn simulation_result_fixture_preserves_rich_optional_fields_and_positional_null_accounts() {
    let value = serde_json::from_str::<serde_json::Value>(include_str!("../fixtures/http/simulate_transaction_result.v4_2_1.json"))
        .expect("simulation result fixture must decode");
    let result = crate::SolanaSimulateTransactionResult::decode_wire("simulateTransaction", value).expect("simulation result must decode");
    assert!(result.err().is_null());
    assert_eq!(result.logs().value().expect("logs must be present").len(), 2);
    let accounts = result.accounts().value().expect("accounts must be present");
    assert_eq!(accounts.len(), 2);
    assert_eq!(accounts[0].as_ref().expect("first account must be present").lamports(), 1_000);
    assert!(accounts[1].is_none());
    assert_eq!(result.units_consumed().value(), std::option::Option::Some(&150));
    assert_eq!(result.loaded_accounts_data_size().value(), std::option::Option::Some(&64));
    assert_eq!(result.fee().value(), std::option::Option::Some(&5_000));
    let replacement = result.replacement_blockhash().value().expect("replacement blockhash must be present");
    assert_eq!(replacement.blockhash(), "ComputeBudget111111111111111111111111111111");
    assert!(result.return_data().value().is_some());
    assert!(result.inner_instructions().value().is_some());
    assert!(result.pre_token_balances().value().is_some());
    assert!(result.post_token_balances().value().is_some());
    assert!(result.loaded_addresses().value().is_some());
}

#[test]
fn simulation_result_distinguishes_omitted_from_explicit_null_fields() {
    let result = crate::SolanaSimulateTransactionResult::decode_wire("simulateTransaction", serde_json::json!({"err":null,"logs":null,"unitsConsumed":1}))
        .expect("partial simulation result must decode");
    assert!(result.err().is_null());
    assert!(result.logs().is_null());
    assert_eq!(result.units_consumed().value(), std::option::Option::Some(&1));
    assert!(result.accounts().is_omitted());
    assert!(result.replacement_blockhash().is_omitted());
    assert!(result.loaded_addresses().is_omitted());
}