//------------------------------------------------------------------------------
/*
    Copyright (c) 2011-2013, OpenCoin, Inc.
*/
//==============================================================================

// For logging
struct RPCErr { };

SETUP_LOG (RPCErr)

Json::Value rpcError (int iError, Json::Value jvResult)
{
    static struct
    {
        int         iError;
        const char* pToken;
        const char* pMessage;
    } errorInfoA[] =
    {
        { rpcACT_BITCOIN,           "actBitcoin",       "Account is bitcoin address."                           },
        { rpcACT_EXISTS,            "actExists",        "Account already exists."                               },
        { rpcACT_MALFORMED,         "actMalformed",     "Account malformed."                                    },
        { rpcACT_NOT_FOUND,         "actNotFound",      "Account not found."                                    },
        { rpcBAD_BLOB,              "badBlob",          "Blob must be a non-empty hex string."                  },
        { rpcBAD_FEATURE,           "badFeature",       "Feature unknown or invalid."                           },
        { rpcBAD_ISSUER,            "badIssuer",        "Issuer account malformed."                             },
        { rpcBAD_MARKET,            "badMarket",        "No such market."                                       },
        { rpcBAD_SECRET,            "badSecret",        "Secret does not match account."                        },
        { rpcBAD_SEED,              "badSeed",          "Disallowed seed."                                      },
        { rpcBAD_SYNTAX,            "badSyntax",        "Syntax error."                                         },
        { rpcCOMMAND_MISSING,       "commandMissing",   "Missing command entry."                                },
        { rpcDST_ACT_MALFORMED,     "dstActMalformed",  "Destination account is malformed."                     },
        { rpcDST_ACT_MISSING,       "dstActMissing",    "Destination account does not exist."                   },
        { rpcDST_AMT_MALFORMED,     "dstAmtMalformed",  "Destination amount/currency/issuer is malformed."      },
        { rpcDST_ISR_MALFORMED,     "dstIsrMalformed",  "Destination issuer is malformed."                      },
        { rpcFORBIDDEN,             "forbidden",        "Bad credentials."                                      },
        { rpcFAIL_GEN_DECRPYT,      "failGenDecrypt",   "Failed to decrypt generator."                          },
        { rpcGETS_ACT_MALFORMED,    "getsActMalformed", "Gets account malformed."                               },
        { rpcGETS_AMT_MALFORMED,    "getsAmtMalformed", "Gets amount malformed."                                },
        { rpcHOST_IP_MALFORMED,     "hostIpMalformed",  "Host IP is malformed."                                 },
        { rpcINSUF_FUNDS,           "insufFunds",       "Insufficient funds."                                   },
        { rpcINTERNAL,              "internal",         "Internal error."                                       },
        { rpcINVALID_PARAMS,        "invalidParams",    "Invalid parameters."                                   },
        { rpcJSON_RPC,              "json_rpc",         "JSON-RPC transport error."                             },
        { rpcLGR_IDXS_INVALID,      "lgrIdxsInvalid",   "Ledger indexes invalid."                               },
        { rpcLGR_IDX_MALFORMED,     "lgrIdxMalformed",  "Ledger index malformed."                               },
        { rpcLGR_NOT_FOUND,         "lgrNotFound",      "Ledger not found."                                     },
        { rpcNICKNAME_MALFORMED,    "nicknameMalformed", "Nickname is malformed."                                },
        { rpcNICKNAME_MISSING,      "nicknameMissing",  "Nickname does not exist."                              },
        { rpcNICKNAME_PERM,         "nicknamePerm",     "Account does not control nickname."                    },
        { rpcNOT_IMPL,              "notImpl",          "Not implemented."                                      },
        { rpcNO_ACCOUNT,            "noAccount",        "No such account."                                      },
        { rpcNO_CLOSED,             "noClosed",         "Closed ledger is unavailable."                         },
        { rpcNO_CURRENT,            "noCurrent",        "Current ledger is unavailable."                        },
        { rpcNO_EVENTS,             "noEvents",         "Current transport does not support events."            },
        { rpcNO_GEN_DECRPYT,        "noGenDectypt",     "Password failed to decrypt master public generator."   },
        { rpcNO_NETWORK,            "noNetwork",        "Network not available."                                },
        { rpcNO_PATH,               "noPath",           "Unable to find a ripple path."                         },
        { rpcNO_PERMISSION,         "noPermission",     "You don't have permission for this command."           },
        { rpcNO_PF_REQUEST,         "noPathRequest",    "No pathfinding request in progress."                   },
        { rpcNOT_STANDALONE,        "notStandAlone",    "Operation valid in debug mode only."                   },
        { rpcNOT_SUPPORTED,         "notSupported",     "Operation not supported."                              },
        { rpcPASSWD_CHANGED,        "passwdChanged",    "Wrong key, password changed."                          },
        { rpcPAYS_ACT_MALFORMED,    "paysActMalformed", "Pays account malformed."                               },
        { rpcPAYS_AMT_MALFORMED,    "paysAmtMalformed", "Pays amount malformed."                                },
        { rpcPORT_MALFORMED,        "portMalformed",    "Port is malformed."                                    },
        { rpcPUBLIC_MALFORMED,      "publicMalformed",  "Public key is malformed."                              },
        { rpcQUALITY_MALFORMED,     "qualityMalformed", "Quality malformed."                                    },
        { rpcSRC_ACT_MALFORMED,     "srcActMalformed",  "Source account is malformed."                          },
        { rpcSRC_ACT_MISSING,       "srcActMissing",    "Source account not provided."                          },
        { rpcSRC_ACT_NOT_FOUND,     "srcActNotFound",   "Source account not found."                             },
        { rpcSRC_AMT_MALFORMED,     "srcAmtMalformed",  "Source amount/currency/issuer is malformed."           },
        { rpcSRC_CUR_MALFORMED,     "srcCurMalformed",  "Source currency is malformed."                         },
        { rpcSRC_ISR_MALFORMED,     "srcIsrMalformed",  "Source issuer is malformed."                           },
        { rpcSRC_UNCLAIMED,         "srcUnclaimed",     "Source account is not claimed."                        },
        { rpcTXN_NOT_FOUND,         "txnNotFound",      "Transaction not found."                                },
        { rpcUNKNOWN_COMMAND,       "unknownCmd",       "Unknown method."                                       },
        { rpcWRONG_SEED,            "wrongSeed",        "The regular key does not point as the master key."     },
        { rpcTOO_BUSY,              "tooBusy",          "The server is too busy to help you now."               },
        { rpcSLOW_DOWN,             "slowDown",         "You are placing too much load on the server."          },
    };

    int     i;

    for (i = NUMBER (errorInfoA); i-- && errorInfoA[i].iError != iError;)
        ;

    jvResult["error"]           = i >= 0 ? errorInfoA[i].pToken : lexical_cast_i (iError);
    jvResult["error_message"]   = i >= 0 ? errorInfoA[i].pMessage : lexical_cast_i (iError);
    jvResult["error_code"]      = iError;

    if (i >= 0)
    {
        WriteLog (lsDEBUG, RPCErr) << "rpcError: "
                                   << errorInfoA[i].pToken << ": " << errorInfoA[i].pMessage << std::endl;
    }

    return jvResult;
}

bool isRpcError (Json::Value jvResult)
{
    return jvResult.isObject () && jvResult.isMember ("error");
}

// vim:ts=4