// Copyright (c) 2014-2016, The Monero Project
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
// 
// 1. Redistributions of source code must retain the above copyright notice, this list of
//    conditions and the following disclaimer.
// 
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
//    materials provided with the distribution.
// 
// 3. Neither the name of the copyright holder nor the names of its contributors may be
//    used to endorse or promote products derived from this software without specific
//    prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "common/dns_utils.h"
#include "daemon/command_parser_executor.h"

namespace daemonize {

t_command_parser_executor::t_command_parser_executor(
    uint32_t ip
  , uint16_t port
  , const std::string &user_agent
  , bool is_rpc
  , cryptonote::core_rpc_server* rpc_server
  )
  : m_executor(ip, port, user_agent, is_rpc, rpc_server)
{}

bool t_command_parser_executor::print_peer_list(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;

  return m_executor.print_peer_list();
}

bool t_command_parser_executor::save_blockchain(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;

  return m_executor.save_blockchain();
}

bool t_command_parser_executor::show_hash_rate(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;

  return m_executor.show_hash_rate();
}

bool t_command_parser_executor::hide_hash_rate(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;

  return m_executor.hide_hash_rate();
}

bool t_command_parser_executor::show_difficulty(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;

  return m_executor.show_difficulty();
}

bool t_command_parser_executor::show_status(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;

  return m_executor.show_status();
}

bool t_command_parser_executor::print_connections(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;

  return m_executor.print_connections();
}

bool t_command_parser_executor::print_blockchain_info(const std::vector<std::string>& args)
{
  if(!args.size())
  {
    std::cout << "need block index parameter" << std::endl;
    return false;
  }
  uint64_t start_index = 0;
  uint64_t end_index = 0;
  if(!epee::string_tools::get_xtype_from_string(start_index, args[0]))
  {
    std::cout << "wrong starter block index parameter" << std::endl;
    return false;
  }
  if(args.size() >1 && !epee::string_tools::get_xtype_from_string(end_index, args[1]))
  {
    std::cout << "wrong end block index parameter" << std::endl;
    return false;
  }

  return m_executor.print_blockchain_info(start_index, end_index);
}

bool t_command_parser_executor::set_log_level(const std::vector<std::string>& args)
{
  if(args.size() != 1)
  {
    std::cout << "use: set_log <log_level_number_0-4>" << std::endl;
    return true;
  }

  uint16_t l = 0;
  if(!epee::string_tools::get_xtype_from_string(l, args[0]))
  {
    std::cout << "wrong number format, use: set_log <log_level_number_0-4>" << std::endl;
    return true;
  }

  if(LOG_LEVEL_4 < l)
  {
    std::cout << "wrong number range, use: set_log <log_level_number_0-4>" << std::endl;
    return true;
  }

  return m_executor.set_log_level(l);
}

bool t_command_parser_executor::print_height(const std::vector<std::string>& args) 
{
  if (!args.empty()) return false;

  return m_executor.print_height();
}

bool t_command_parser_executor::print_block(const std::vector<std::string>& args)
{
  if (args.empty())
  {
    std::cout << "expected: print_block (<block_hash> | <block_height>)" << std::endl;
    return false;
  }

  const std::string& arg = args.front();
  try
  {
    uint64_t height = boost::lexical_cast<uint64_t>(arg);
    return m_executor.print_block_by_height(height);
  }
  catch (boost::bad_lexical_cast&)
  {
    crypto::hash block_hash;
    if (parse_hash256(arg, block_hash))
    {
      return m_executor.print_block_by_hash(block_hash);
    }
  }

  return false;
}

bool t_command_parser_executor::print_transaction(const std::vector<std::string>& args)
{
  if (args.empty())
  {
    std::cout << "expected: print_tx <transaction hash>" << std::endl;
    return true;
  }

  const std::string& str_hash = args.front();
  crypto::hash tx_hash;
  if (parse_hash256(str_hash, tx_hash))
  {
    m_executor.print_transaction(tx_hash);
  }

  return true;
}

bool t_command_parser_executor::is_key_image_spent(const std::vector<std::string>& args)
{
  if (args.empty())
  {
    std::cout << "expected: is_key_image_spent <key_image>" << std::endl;
    return true;
  }

  const std::string& str = args.front();
  crypto::key_image ki;
  crypto::hash hash;
  if (parse_hash256(str, hash))
  {
    memcpy(&ki, &hash, sizeof(ki));
    m_executor.is_key_image_spent(ki);
  }

  return true;
}

bool t_command_parser_executor::print_transaction_pool_long(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;

  return m_executor.print_transaction_pool_long();
}

bool t_command_parser_executor::print_transaction_pool_short(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;

  return m_executor.print_transaction_pool_short();
}

bool t_command_parser_executor::print_transaction_pool_stats(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;

  return m_executor.print_transaction_pool_stats();
}

bool t_command_parser_executor::start_mining(const std::vector<std::string>& args)
{
  if(!args.size())
  {
    std::cout << "Please specify a wallet address to mine for: start_mining <addr> [<threads>]" << std::endl;
    return true;
  }

  cryptonote::account_public_address adr;
  bool has_payment_id;
  crypto::hash8 payment_id;
  bool testnet = false;
  if(!cryptonote::get_account_integrated_address_from_str(adr, has_payment_id, payment_id, false, args.front()))
  {
    if(!cryptonote::get_account_integrated_address_from_str(adr, has_payment_id, payment_id, true, args.front()))
    {
      bool dnssec_valid;
      std::string address_str = tools::dns_utils::get_account_address_as_str_from_url(args.front(), dnssec_valid);
      if(!cryptonote::get_account_integrated_address_from_str(adr, has_payment_id, payment_id, false, address_str))
      {
        if(!cryptonote::get_account_integrated_address_from_str(adr, has_payment_id, payment_id, true, address_str))
        {
          std::cout << "target account address has wrong format" << std::endl;
          return true;
        }
        else
        {
          testnet = true;
        }
      }
    }
    else
    {
      testnet = true;
    }
  }
  if(testnet)
    std::cout << "Mining to a testnet address, make sure this is intentional!" << std::endl;
  uint64_t threads_count = 1;
  if(args.size() > 2)
  {
    return false;
  }
  else if(args.size() == 2)
  {
    bool ok = epee::string_tools::get_xtype_from_string(threads_count, args[1]);
    threads_count = (ok && 0 < threads_count) ? threads_count : 1;
  }

  m_executor.start_mining(adr, threads_count, testnet);

  return true;
}

bool t_command_parser_executor::stop_mining(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;

  return m_executor.stop_mining();
}

bool t_command_parser_executor::stop_daemon(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;

  return m_executor.stop_daemon();
}

bool t_command_parser_executor::print_status(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;

  return m_executor.print_status();
}

bool t_command_parser_executor::set_limit(const std::vector<std::string>& args)
{
  if(args.size()>1) return false;
  if(args.size()==0) {
    return m_executor.get_limit();
  }
  int limit;
  try {
      limit = std::stoi(args[0]);
  }
  catch(std::invalid_argument& ex) {
      return false;
  }
  if (limit==-1)  limit=128;
  limit *= 1024;

  return m_executor.set_limit(limit);
}

bool t_command_parser_executor::set_limit_up(const std::vector<std::string>& args)
{
  if(args.size()>1) return false;
  if(args.size()==0) {
    return m_executor.get_limit_up();
  }
  int limit;
  try {
      limit = std::stoi(args[0]);
  }
  catch(std::invalid_argument& ex) {
      return false;
  }
  if (limit==-1)  limit=128;
  limit *= 1024;

  return m_executor.set_limit_up(limit);
}

bool t_command_parser_executor::set_limit_down(const std::vector<std::string>& args)
{
  if(args.size()>1) return false;
  if(args.size()==0) {
    return m_executor.get_limit_down();
  }
  int limit;
  try {
      limit = std::stoi(args[0]);
  }
  catch(std::invalid_argument& ex) {
      return false;
  }
  if (limit==-1)  limit=128;
  limit *= 1024;

  return m_executor.set_limit_down(limit);
}

bool t_command_parser_executor::out_peers(const std::vector<std::string>& args)
{
	if (args.empty()) return false;
	
	unsigned int limit;
	try {
		limit = std::stoi(args[0]);
	}
	  
	catch(std::invalid_argument& ex) {
		_erro("stoi exception");
		return false;
	}
	
	return m_executor.out_peers(limit);
}

bool t_command_parser_executor::start_save_graph(const std::vector<std::string>& args)
{
	if (!args.empty()) return false;
	return m_executor.start_save_graph();
}

bool t_command_parser_executor::stop_save_graph(const std::vector<std::string>& args)
{
	if (!args.empty()) return false;
	return m_executor.stop_save_graph();
}

bool t_command_parser_executor::hard_fork_info(const std::vector<std::string>& args)
{
  int version;
  if (args.size() == 0) {
    version = 0;
  }
  else if (args.size() == 1) {
    try {
      version = std::stoi(args[0]);
    }
    catch(std::invalid_argument& ex) {
        return false;
    }
    if (version <= 0 || version > 255)
      return false;
  }
  else {
    return false;
  }
  return m_executor.hard_fork_info(version);
}

bool t_command_parser_executor::show_bans(const std::vector<std::string>& args)
{
  if (!args.empty()) return false;
  return m_executor.print_bans();
}

bool t_command_parser_executor::ban(const std::vector<std::string>& args)
{
  if (args.size() != 1 && args.size() != 2) return false;
  std::string ip = args[0];
  time_t seconds = P2P_IP_BLOCKTIME;
  if (args.size() > 1)
  {
    seconds = std::stoi(args[1]);
    if (seconds == 0)
    {
      return false;
    }
  }
  return m_executor.ban(ip, seconds);
}

bool t_command_parser_executor::unban(const std::vector<std::string>& args)
{
  if (args.size() != 1) return false;
  std::string ip = args[0];
  return m_executor.unban(ip);
}

bool t_command_parser_executor::flush_txpool(const std::vector<std::string>& args)
{
  if (args.size() > 1) return false;

  std::string txid;
  if (args.size() == 1)
  {
    crypto::hash hash;
    if (!parse_hash256(args[0], hash))
    {
      std::cout << "failed to parse tx id" << std::endl;
      return true;
    }
    txid = args[0];
  }
  return m_executor.flush_txpool(txid);
}

bool t_command_parser_executor::output_histogram(const std::vector<std::string>& args)
{
  if (args.size() > 2) return false;

  uint64_t min_count = 3;
  uint64_t max_count = 0;

  if (args.size() >= 1)
  {
    min_count = boost::lexical_cast<uint64_t>(args[0]);
  }
  if (args.size() >= 2)
  {
    max_count = boost::lexical_cast<uint64_t>(args[1]);
  }
  return m_executor.output_histogram(min_count, max_count);
}

bool t_command_parser_executor::print_coinbase_tx_sum(const std::vector<std::string>& args)
{
  if(!args.size())
  {
    std::cout << "need block height parameter" << std::endl;
    return false;
  }
  uint64_t height = 0;
  uint64_t count = 0;
  if(!epee::string_tools::get_xtype_from_string(height, args[0]))
  {
    std::cout << "wrong starter block height parameter" << std::endl;
    return false;
  }
  if(args.size() >1 && !epee::string_tools::get_xtype_from_string(count, args[1]))
  {
    std::cout << "wrong count parameter" << std::endl;
    return false;
  }

  return m_executor.print_coinbase_tx_sum(height, count);
}

bool t_command_parser_executor::alt_chain_info(const std::vector<std::string>& args)
{
  if(args.size())
  {
    std::cout << "No parameters allowed" << std::endl;
    return false;
  }

  return m_executor.alt_chain_info();
}

} // namespace daemonize
