#include <xrpl/protocol/TER.h>

#include <boost/range/adaptor/transformed.hpp>
#include <boost/range/iterator_range_core.hpp>

#include <optional>
#include <string>
#include <unordered_map>
#include <utility>

namespace xrpl {

std::unordered_map<TERUnderlyingType, std::pair<char const* const, char const* const>> const&
transResults()
{
    // clang-format off

    // Macros are generally ugly, but they can help make code readable to
    // humans without affecting the compiler.
#define MAKE_ERROR(code, desc) { code, { #code, desc } }

    static
    std::unordered_map<
            TERUnderlyingType,
            std::pair<char const* const, char const* const>> const results
    {
        MAKE_ERROR(tecAMM_BALANCE,                   "AMM has invalid balance."),
        MAKE_ERROR(tecAMM_INVALID_TOKENS,            "AMM invalid LP tokens."),
        MAKE_ERROR(tecAMM_FAILED,                    "AMM transaction failed."),
        MAKE_ERROR(tecAMM_EMPTY,                     "AMM is in empty state."),
        MAKE_ERROR(tecAMM_NOT_EMPTY,                 "AMM is not in empty state."),
        MAKE_ERROR(tecAMM_ACCOUNT,                   "This operation is not allowed on an AMM Account."),
        MAKE_ERROR(tecCLAIM,                         "Fee claimed. Sequence used. No action."),
        MAKE_ERROR(tecDIR_FULL,                      "Can not add entry to full directory."),
        MAKE_ERROR(tecFAILED_PROCESSING,             "Failed to correctly process transaction."),
        MAKE_ERROR(tecINSUF_RESERVE_LINE,            "Insufficient reserve to add trust line."),
        MAKE_ERROR(tecINSUF_RESERVE_OFFER,           "Insufficient reserve to create offer."),
        MAKE_ERROR(tecNO_DST,                        "Destination does not exist. Send XRP to create it."),
        MAKE_ERROR(tecNO_DST_INSUF_XRP,              "Destination does not exist. Too little XRP sent to create it."),
        MAKE_ERROR(tecNO_LINE_INSUF_RESERVE,         "No such line. Too little reserve to create it."),
        MAKE_ERROR(tecNO_LINE_REDUNDANT,             "Can't set non-existent line to default."),
        MAKE_ERROR(tecPATH_DRY,                      "Path could not send partial amount."),
        MAKE_ERROR(tecPATH_PARTIAL,                  "Path could not send full amount."),
        MAKE_ERROR(tecNO_ALTERNATIVE_KEY,            "The operation would remove the ability to sign transactions with the account."),
        MAKE_ERROR(tecNO_REGULAR_KEY,                "Regular key is not set."),
        MAKE_ERROR(tecOVERSIZE,                      "Object exceeded serialization limits."),
        MAKE_ERROR(tecUNFUNDED,                      "Not enough XRP to satisfy the reserve requirement."),
        MAKE_ERROR(tecUNFUNDED_ADD,                  "DEPRECATED."),
        MAKE_ERROR(tecUNFUNDED_AMM,                  "Insufficient balance to fund AMM."),
        MAKE_ERROR(tecUNFUNDED_OFFER,                "Insufficient balance to fund created offer."),
        MAKE_ERROR(tecUNFUNDED_PAYMENT,              "Insufficient XRP balance to send."),
        MAKE_ERROR(tecOWNERS,                        "Non-zero owner count."),
        MAKE_ERROR(tecNO_ISSUER,                     "Issuer account does not exist."),
        MAKE_ERROR(tecNO_AUTH,                       "Not authorized to hold asset."),
        MAKE_ERROR(tecNO_LINE,                       "No such line."),
        MAKE_ERROR(tecINSUFF_FEE,                    "Insufficient balance to pay fee."),
        MAKE_ERROR(tecFROZEN,                        "Asset is frozen."),
        MAKE_ERROR(tecNO_TARGET,                     "Target account does not exist."),
        MAKE_ERROR(tecNO_PERMISSION,                 "No permission to perform requested operation."),
        MAKE_ERROR(tecNO_ENTRY,                      "No matching entry found."),
        MAKE_ERROR(tecINSUFFICIENT_RESERVE,          "Insufficient reserve to complete requested operation."),
        MAKE_ERROR(tecNEED_MASTER_KEY,               "The operation requires the use of the Master Key."),
        MAKE_ERROR(tecDST_TAG_NEEDED,                "A destination tag is required."),
        MAKE_ERROR(tecINTERNAL,                      "An internal error has occurred during processing."),
        MAKE_ERROR(tecCRYPTOCONDITION_ERROR,         "Malformed, invalid, or mismatched conditional or fulfillment."),
        MAKE_ERROR(tecINVARIANT_FAILED,              "One or more invariants for the transaction were not satisfied."),
        MAKE_ERROR(tecEXPIRED,                       "Expiration time is passed."),
        MAKE_ERROR(tecDUPLICATE,                     "Ledger object already exists."),
        MAKE_ERROR(tecKILLED,                        "No funds transferred and no offer created."),
        MAKE_ERROR(tecHAS_OBLIGATIONS,               "The account cannot be deleted since it has obligations."),
        MAKE_ERROR(tecTOO_SOON,                      "It is too early to attempt the requested operation. Please wait."),
        MAKE_ERROR(tecMAX_SEQUENCE_REACHED,          "The maximum sequence number was reached."),
        MAKE_ERROR(tecNO_SUITABLE_NFTOKEN_PAGE,      "A suitable NFToken page could not be located."),
        MAKE_ERROR(tecNFTOKEN_BUY_SELL_MISMATCH,     "The 'Buy' and 'Sell' NFToken offers are mismatched."),
        MAKE_ERROR(tecNFTOKEN_OFFER_TYPE_MISMATCH,   "The type of NFToken offer is incorrect."),
        MAKE_ERROR(tecCANT_ACCEPT_OWN_NFTOKEN_OFFER, "An NFToken offer cannot be claimed by its owner."),
        MAKE_ERROR(tecINSUFFICIENT_FUNDS,            "Not enough funds available to complete requested transaction."),
        MAKE_ERROR(tecOBJECT_NOT_FOUND,              "A requested object could not be located."),
        MAKE_ERROR(tecINSUFFICIENT_PAYMENT,          "The payment is not sufficient."),
        MAKE_ERROR(tecINCOMPLETE,                    "Some work was completed, but more submissions required to finish."),
        MAKE_ERROR(tecXCHAIN_BAD_TRANSFER_ISSUE,     "Bad xchain transfer issue."),
        MAKE_ERROR(tecXCHAIN_NO_CLAIM_ID,            "No such xchain claim id."),
        MAKE_ERROR(tecXCHAIN_BAD_CLAIM_ID,           "Bad xchain claim id."),
        MAKE_ERROR(tecXCHAIN_CLAIM_NO_QUORUM,        "Quorum was not reached on the xchain claim."),
        MAKE_ERROR(tecXCHAIN_PROOF_UNKNOWN_KEY,      "Unknown key for the xchain proof."),
        MAKE_ERROR(tecXCHAIN_CREATE_ACCOUNT_NONXRP_ISSUE, "Only XRP may be used for xchain create account."),
        MAKE_ERROR(tecXCHAIN_WRONG_CHAIN,            "XChain Transaction was submitted to the wrong chain."),
        MAKE_ERROR(tecXCHAIN_REWARD_MISMATCH,        "The reward amount must match the reward specified in the xchain bridge."),
        MAKE_ERROR(tecXCHAIN_NO_SIGNERS_LIST,        "The account did not have a signers list."),
        MAKE_ERROR(tecXCHAIN_SENDING_ACCOUNT_MISMATCH,"The sending account did not match the expected sending account."),
        MAKE_ERROR(tecXCHAIN_INSUFF_CREATE_AMOUNT,   "Insufficient amount to create an account."),
        MAKE_ERROR(tecXCHAIN_ACCOUNT_CREATE_PAST,    "The account create count has already passed."),
        MAKE_ERROR(tecXCHAIN_ACCOUNT_CREATE_TOO_MANY, "There are too many pending account create transactions to submit a new one."),
        MAKE_ERROR(tecXCHAIN_PAYMENT_FAILED,         "Failed to transfer funds in a xchain transaction."),
        MAKE_ERROR(tecXCHAIN_SELF_COMMIT,            "Account cannot commit funds to itself."),
        MAKE_ERROR(tecXCHAIN_BAD_PUBLIC_KEY_ACCOUNT_PAIR, "Bad public key account pair in an xchain transaction."),
        MAKE_ERROR(tecXCHAIN_CREATE_ACCOUNT_DISABLED, "This bridge does not support account creation."),
        MAKE_ERROR(tecEMPTY_DID,                     "The DID object did not have a URI or DIDDocument field."),
        MAKE_ERROR(tecINVALID_UPDATE_TIME,           "The Oracle object has invalid LastUpdateTime field."),
        MAKE_ERROR(tecTOKEN_PAIR_NOT_FOUND,          "Token pair is not found in Oracle object."),
        MAKE_ERROR(tecARRAY_EMPTY,                   "Array is empty."),
        MAKE_ERROR(tecARRAY_TOO_LARGE,               "Array is too large."),
        MAKE_ERROR(tecLOCKED,                        "Fund is locked."),
        MAKE_ERROR(tecBAD_CREDENTIALS,               "Bad credentials."),
        MAKE_ERROR(tecWRONG_ASSET,                   "Wrong asset given."),
        MAKE_ERROR(tecLIMIT_EXCEEDED,                "Limit exceeded."),
        MAKE_ERROR(tecPSEUDO_ACCOUNT,                "This operation is not allowed against a pseudo-account."),
        MAKE_ERROR(tecPRECISION_LOSS,                "The amounts used by the transaction cannot interact."),
        MAKE_ERROR(tecBAD_PROOF,                     "Proof cannot be verified"),

        MAKE_ERROR(tefALREADY,                     "The exact transaction was already in this ledger."),
        MAKE_ERROR(tefBAD_ADD_AUTH,                "Not authorized to add account."),
        MAKE_ERROR(tefBAD_AUTH,                    "Transaction's public key is not authorized."),
        MAKE_ERROR(tefBAD_LEDGER,                  "Ledger in unexpected state."),
        MAKE_ERROR(tefBAD_QUORUM,                  "Signatures provided do not meet the quorum."),
        MAKE_ERROR(tefBAD_SIGNATURE,               "A signature is provided for a non-signer."),
        MAKE_ERROR(tefCREATED,                     "Can't add an already created account."),
        MAKE_ERROR(tefEXCEPTION,                   "Unexpected program state."),
        MAKE_ERROR(tefFAILURE,                     "Failed to apply."),
        MAKE_ERROR(tefINTERNAL,                    "Internal error."),
        MAKE_ERROR(tefMASTER_DISABLED,             "Master key is disabled."),
        MAKE_ERROR(tefMAX_LEDGER,                  "Ledger sequence too high."),
        MAKE_ERROR(tefNO_AUTH_REQUIRED,            "Auth is not required."),
        MAKE_ERROR(tefNOT_MULTI_SIGNING,           "Account has no appropriate list of multi-signers."),
        MAKE_ERROR(tefPAST_SEQ,                    "This sequence number has already passed."),
        MAKE_ERROR(tefWRONG_PRIOR,                 "This previous transaction does not match."),
        MAKE_ERROR(tefBAD_AUTH_MASTER,             "Auth for unclaimed account needs correct master key."),
        MAKE_ERROR(tefINVARIANT_FAILED,            "Fee claim violated invariants for the transaction."),
        MAKE_ERROR(tefTOO_BIG,                     "Transaction affects too many items."),
        MAKE_ERROR(tefNO_TICKET,                   "Ticket is not in ledger."),
        MAKE_ERROR(tefNFTOKEN_IS_NOT_TRANSFERABLE, "The specified NFToken is not transferable."),
        MAKE_ERROR(tefINVALID_LEDGER_FIX_TYPE,     "The LedgerFixType field has an invalid value."),

        MAKE_ERROR(telLOCAL_ERROR,            "Local failure."),
        MAKE_ERROR(telBAD_DOMAIN,             "Domain too long."),
        MAKE_ERROR(telBAD_PATH_COUNT,         "Malformed: Too many paths."),
        MAKE_ERROR(telBAD_PUBLIC_KEY,         "Public key is not valid."),
        MAKE_ERROR(telFAILED_PROCESSING,      "Failed to correctly process transaction."),
        MAKE_ERROR(telINSUF_FEE_P,            "Fee insufficient."),
        MAKE_ERROR(telNO_DST_PARTIAL,         "Partial payment to create account not allowed."),
        MAKE_ERROR(telCAN_NOT_QUEUE,          "Can not queue at this time."),
        MAKE_ERROR(telCAN_NOT_QUEUE_BALANCE,  "Can not queue at this time: insufficient balance to pay all queued fees."),
        MAKE_ERROR(telCAN_NOT_QUEUE_BLOCKS,   "Can not queue at this time: would block later queued transaction(s)."),
        MAKE_ERROR(telCAN_NOT_QUEUE_BLOCKED,  "Can not queue at this time: blocking transaction in queue."),
        MAKE_ERROR(telCAN_NOT_QUEUE_FEE,      "Can not queue at this time: fee insufficient to replace queued transaction."),
        MAKE_ERROR(telCAN_NOT_QUEUE_FULL,     "Can not queue at this time: queue is full."),
        MAKE_ERROR(telWRONG_NETWORK,          "Transaction specifies a Network ID that differs from that of the local node."),
        MAKE_ERROR(telREQUIRES_NETWORK_ID,    "Transactions submitted to this node/network must include a correct NetworkID field."),
        MAKE_ERROR(telNETWORK_ID_MAKES_TX_NON_CANONICAL, "Transactions submitted to this node/network must NOT include a NetworkID field."),
        MAKE_ERROR(telENV_RPC_FAILED,         "Unit test RPC failure."),

        MAKE_ERROR(temMALFORMED,                 "Malformed transaction."),
        MAKE_ERROR(temBAD_AMM_TOKENS,            "Malformed: Invalid LPTokens."),
        MAKE_ERROR(temBAD_AMOUNT,                "Malformed: Bad amount."),
        MAKE_ERROR(temBAD_CURRENCY,              "Malformed: Bad currency."),
        MAKE_ERROR(temBAD_EXPIRATION,            "Malformed: Bad expiration."),
        MAKE_ERROR(temBAD_FEE,                   "Invalid fee, negative or not XRP."),
        MAKE_ERROR(temBAD_ISSUER,                "Malformed: Bad issuer."),
        MAKE_ERROR(temBAD_LIMIT,                 "Limits must be non-negative."),
        MAKE_ERROR(temBAD_MPT,                   "Malformed: Bad MPT."),
        MAKE_ERROR(temBAD_OFFER,                 "Malformed: Bad offer."),
        MAKE_ERROR(temBAD_PATH,                  "Malformed: Bad path."),
        MAKE_ERROR(temBAD_PATH_LOOP,             "Malformed: Loop in path."),
        MAKE_ERROR(temBAD_QUORUM,                "Malformed: Quorum is unreachable."),
        MAKE_ERROR(temBAD_REGKEY,                "Malformed: Regular key cannot be same as master key."),
        MAKE_ERROR(temBAD_SEND_XRP_LIMIT,        "Malformed: Limit quality is not allowed for XRP to XRP."),
        MAKE_ERROR(temBAD_SEND_XRP_MAX,          "Malformed: Send max is not allowed for XRP to XRP."),
        MAKE_ERROR(temBAD_SEND_XRP_NO_DIRECT,    "Malformed: No Ripple direct is not allowed for XRP to XRP."),
        MAKE_ERROR(temBAD_SEND_XRP_PARTIAL,      "Malformed: Partial payment is not allowed for XRP to XRP."),
        MAKE_ERROR(temBAD_SEND_XRP_PATHS,        "Malformed: Paths are not allowed for XRP to XRP."),
        MAKE_ERROR(temBAD_SEQUENCE,              "Malformed: Sequence is not in the past."),
        MAKE_ERROR(temBAD_SIGNATURE,             "Malformed: Bad signature."),
        MAKE_ERROR(temBAD_SIGNER,                "Malformed: No signer may duplicate account or other signers."),
        MAKE_ERROR(temBAD_SRC_ACCOUNT,           "Malformed: Bad source account."),
        MAKE_ERROR(temBAD_TRANSFER_RATE,         "Malformed: Transfer rate must be >= 1.0 and <= 2.0"),
        MAKE_ERROR(temBAD_WEIGHT,                "Malformed: Weight must be a positive value."),
        MAKE_ERROR(temDST_IS_SRC,                "Destination may not be source."),
        MAKE_ERROR(temDST_NEEDED,                "Destination not specified."),
        MAKE_ERROR(temEMPTY_DID,                 "Malformed: No DID data provided."),
        MAKE_ERROR(temINVALID,                   "The transaction is ill-formed."),
        MAKE_ERROR(temINVALID_FLAG,              "The transaction has an invalid flag."),
        MAKE_ERROR(temREDUNDANT,                 "The transaction is redundant."),
        MAKE_ERROR(temRIPPLE_EMPTY,              "PathSet with no paths."),
        MAKE_ERROR(temUNCERTAIN,                 "In process of determining result. Never returned."),
        MAKE_ERROR(temUNKNOWN,                   "The transaction requires logic that is not implemented yet."),
        MAKE_ERROR(temDISABLED,                  "The transaction requires logic that is currently disabled."),
        MAKE_ERROR(temBAD_TICK_SIZE,             "Malformed: Tick size out of range."),
        MAKE_ERROR(temINVALID_ACCOUNT_ID,        "Malformed: A field contains an invalid account ID."),
        MAKE_ERROR(temCANNOT_PREAUTH_SELF,       "Malformed: An account may not preauthorize itself."),
        MAKE_ERROR(temINVALID_COUNT,             "Malformed: Count field outside valid range."),
        MAKE_ERROR(temSEQ_AND_TICKET,            "Transaction contains a TicketSequence and a non-zero Sequence."),
        MAKE_ERROR(temBAD_NFTOKEN_TRANSFER_FEE,  "Malformed: The NFToken transfer fee must be between 1 and 5000, inclusive."),
        MAKE_ERROR(temXCHAIN_EQUAL_DOOR_ACCOUNTS,       "Malformed: Bridge must have unique door accounts."),
        MAKE_ERROR(temXCHAIN_BAD_PROOF,          "Malformed: Bad cross-chain claim proof."),
        MAKE_ERROR(temXCHAIN_BRIDGE_BAD_ISSUES,      "Malformed: Bad bridge issues."),
        MAKE_ERROR(temXCHAIN_BRIDGE_NONDOOR_OWNER,   "Malformed: Bridge owner must be one of the door accounts."),
        MAKE_ERROR(temXCHAIN_BRIDGE_BAD_MIN_ACCOUNT_CREATE_AMOUNT,   "Malformed: Bad min account create amount."),
        MAKE_ERROR(temXCHAIN_BRIDGE_BAD_REWARD_AMOUNT, "Malformed: Bad reward amount."),
        MAKE_ERROR(temARRAY_EMPTY,               "Malformed: Array is empty."),
        MAKE_ERROR(temARRAY_TOO_LARGE,           "Malformed: Array is too large."),
        MAKE_ERROR(temBAD_TRANSFER_FEE,          "Malformed: Transfer fee is outside valid range."),
        MAKE_ERROR(temINVALID_INNER_BATCH,       "Malformed: Invalid inner batch transaction."),
        MAKE_ERROR(temBAD_CIPHERTEXT,            "Malformed: Invalid ciphertext."),

        MAKE_ERROR(terRETRY,                  "Retry transaction."),
        MAKE_ERROR(terFUNDS_SPENT,            "DEPRECATED."),
        MAKE_ERROR(terINSUF_FEE_B,            "Account balance can't pay fee."),
        MAKE_ERROR(terLAST,                   "DEPRECATED."),
        MAKE_ERROR(terNO_RIPPLE,              "Path does not permit rippling."),
        MAKE_ERROR(terNO_ACCOUNT,             "The source account does not exist."),
        MAKE_ERROR(terNO_AUTH,                "Not authorized to hold IOUs."),
        MAKE_ERROR(terNO_LINE,                "No such line."),
        MAKE_ERROR(terPRE_SEQ,                "Missing/inapplicable prior transaction."),
        MAKE_ERROR(terOWNERS,                 "Non-zero owner count."),
        MAKE_ERROR(terQUEUED,                 "Held until escalated fee drops."),
        MAKE_ERROR(terPRE_TICKET,             "Ticket is not yet in ledger."),
        MAKE_ERROR(terNO_AMM,                 "AMM doesn't exist for the asset pair."),
        MAKE_ERROR(terADDRESS_COLLISION,      "Failed to allocate an unique account address."),
        MAKE_ERROR(terNO_DELEGATE_PERMISSION, "Delegated account lacks permission to perform this transaction."),
        MAKE_ERROR(terLOCKED,                 "Fund is locked."),

        MAKE_ERROR(tesSUCCESS,                "The transaction was applied. Only final in a validated ledger."),
    };
    // clang-format on

#undef MAKE_ERROR

    return results;
}

bool
transResultInfo(TER code, std::string& token, std::string& text)
{
    auto& results = transResults();

    auto const r = results.find(TERtoInt(code));

    if (r == results.end())
        return false;

    token = r->second.first;
    text = r->second.second;
    return true;
}

std::string
transToken(TER code)
{
    std::string token;
    std::string text;

    return transResultInfo(code, token, text) ? token : "-";
}

std::string
transHuman(TER code)
{
    std::string token;
    std::string text;

    return transResultInfo(code, token, text) ? text : "-";
}

std::optional<TER>
transCode(std::string const& token)
{
    static auto const results = [] {
        auto& byTer = transResults();
        auto range = boost::make_iterator_range(byTer.begin(), byTer.end());
        auto tRange = boost::adaptors::transform(
            range, [](auto const& r) { return std::make_pair(r.second.first, r.first); });
        std::unordered_map<std::string, TERUnderlyingType> const byToken(
            tRange.begin(), tRange.end());
        return byToken;
    }();

    auto const r = results.find(token);

    if (r == results.end())
        return std::nullopt;

    return TER::fromInt(r->second);
}

}  // namespace xrpl