#include <cstdlib>    // for rand() function
#include <iostream>
#include <string>

#include "uhal/uhal.hpp"


int main(int argc, char* argv[])
{
  // PART 1: Argument parsing
  if (argc != 4) {
    std::cout << "Incorrect usage!" << std::endl;
    std::cout << "usage: print_node_attributes <path_to_connection_file> <device_id> <node_name>" << std::endl;
    return 1;
  }

  const std::string lConnectionFilePath = argv[1];
  const std::string lDeviceId = argv[2];
  const std::string lNodeName = argv[3];


  // PART 2: Creating the HwInterface
  uhal::setLogLevelTo( uhal::Notice() );
  uhal::ConnectionManager lConnectionMgr("file://" + lConnectionFilePath);
  uhal::HwInterface lHW = lConnectionMgr.getDevice(lDeviceId);


  // PART 3: Iterating over all nodes
  const uhal::Node& lTopNode = lHW.getNode();
  std::cout << "Full list of nodes (from begin and end methods):" << std::endl;
  for (uhal::Node::const_iterator lIt=lTopNode.begin(); lIt != lTopNode.end(); lIt++)
    std::cout << " * " << lIt->getPath() << std::endl;
  std::cout << std::endl;

  std::cout << "Full list of nodes (via getNodes method):" << std::endl;
  std::vector<std::string> lNodeIds = lTopNode.getNodes();
  for (std::vector<std::string>::const_iterator lIt=lNodeIds.begin(); lIt != lNodeIds.end(); lIt++)
    std::cout << " * " << *lIt << std::endl;
  std::cout << std::endl;

  const std::string lNodeRegex = ".*reg.*";
  lNodeIds = lTopNode.getNodes(lNodeRegex);
  std::cout << lNodeIds.size() << " nodes have ID paths matching regex '" << lNodeRegex << "'" << std::endl;
  for (std::vector<std::string>::const_iterator lIt=lNodeIds.begin(); lIt != lNodeIds.end(); lIt++)
    std::cout << " * " << *lIt << std::endl;
  std::cout << std::endl;


  // PART 4: Printing attributes of specific node
  const uhal::Node& lNode = lHW.getNode(lNodeName);
  std::cout << "Properties of node '" << lNodeName << "':" << std::endl;
  std::cout << "  ID         = '" << lNode.getId() << "'" << std::endl;
  std::cout << "  ID path    = '" << lNode.getPath() << "'" << std::endl;
  std::cout << "  adddress   = 0x" << std::hex << lNode.getAddress() << std::endl;
  std::cout << "  mask       = 0x" << std::hex << lNode.getMask() << std::endl;
  std::cout << "  mode       = " << lNode.getMode() << std::endl;
  std::cout << "  permission = " << lNode.getPermission() << std::endl;
  std::cout << "  size       = " << lNode.getSize() << std::endl;
  std::cout << "  tags       = " << lNode.getTags() << std::endl;
  std::cout << "  parameters = {";
  for (boost::unordered_map<std::string, std::string>::const_iterator lIt=lNode.getParameters().begin(); lIt != lNode.getParameters().end(); lIt++) {
    if (lIt != lNode.getParameters().begin())
      std::cout << ", ";
    std::cout << "'" << lIt->first << "', '" << lIt->second << "'";
  }
  std::cout << "}" << std::endl;

  return 0;
}