// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef _BITCOINRPC_H_
#define _BITCOINRPC_H_ 1

#include <string>
#include <map>

#include "json/json_spirit_reader_template.h"
#include "json/json_spirit_writer_template.h"
#include "json/json_spirit_utils.h"

json_spirit::Object JSONRPCError(int code, const std::string& message);

void ThreadRPCServer(void* parg);
int CommandLineRPC(int argc, char *argv[]);

/** Convert parameter values for RPC call from strings to command-specific JSON objects. */
json_spirit::Array RPCConvertValues(const std::string &strMethod, const std::vector<std::string> &strParams);

typedef json_spirit::Value(*rpcfn_type)(const json_spirit::Array& params, bool fHelp);

class CRPCCommand
{
public:
    std::string name;
    rpcfn_type actor;
    bool okSafeMode;
};

/**
 * Bitcoin RPC command dispatcher.
 */
class CRPCTable
{
private:
    std::map<std::string, const CRPCCommand*> mapCommands;
public:
    CRPCTable();
    const CRPCCommand* operator[](std::string name) const;
    std::string help(std::string name) const;

    /**
     * Execute a method.
     * @param method   Method to execute
     * @param params   Array of arguments (JSON objects)
     * @returns Result of the call.
     * @throws an exception (json_spirit::Value) when an error happens.
     */
    json_spirit::Value execute(const std::string &method, const json_spirit::Array &params) const;
};

extern const CRPCTable tableRPC;

#endif
