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// ** National Center for Atmospheric Research (NCAR)                        
// ** Boulder, Colorado, USA                                                 
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//////////////////////////////////////////////////////////
// RadxAppArgs.cc : command line args for generalized Radx application
//
// Mike Dixon, RAP, NCAR, P.O.Box 3000, Boulder, CO, 80307-3000, USA
//
// Dec 2015
//
//////////////////////////////////////////////////////////

#include <string>
#include <iostream>
#include <radar/RadxAppArgs.hh>
#include <radar/RadxAppParams.hh>
#include <Radx/RadxTime.hh>
using namespace std;

// Constructor

RadxAppArgs::RadxAppArgs ()
{
  TDRP_init_override(&override);
  startTime = 0;
  endTime = 0;
  tdrpExit = false;
}

// Destructor

RadxAppArgs::~RadxAppArgs ()

{
  TDRP_free_override(&override);
}

// parse the command line
//
// returns 0 on success, -1 on failure  

int RadxAppArgs::parse (int argc, char **argv, string &prog_name)

{

  _progName = prog_name;
  char tmp_str[BUFSIZ];
  bool OK = true;

  // loop through args
  
  for (int i =  1; i < argc; i++) {
    
    if (!strcmp(argv[i], "--") ||
	!strcmp(argv[i], "-h") ||
	!strcmp(argv[i], "-help") ||
	!strcmp(argv[i], "-man")) {
      
      _usage(cout);
      exit (0);
      
    } else if (!strcmp(argv[i], "-d") ||
               !strcmp(argv[i], "-debug")) {
      
      sprintf(tmp_str, "debug = DEBUG_NORM;");
      TDRP_add_override(&override, tmp_str);
      
    } else if (!strcmp(argv[i], "-v") ||
               !strcmp(argv[i], "-verbose")) {
      
      sprintf(tmp_str, "debug = DEBUG_VERBOSE;");
      TDRP_add_override(&override, tmp_str);
      
    } else if (!strcmp(argv[i], "-vv") ||
               !strcmp(argv[i], "-extra")) {
      
      sprintf(tmp_str, "debug = DEBUG_EXTRA;");
      TDRP_add_override(&override, tmp_str);
      
    } else if (!strcmp(argv[i], "-start")) {
      
      if (i < argc - 1) {
	startTime = RadxTime::parseDateTime(argv[++i]);
	if (startTime == RadxTime::NEVER) {
	  OK = false;
	} else {
	  sprintf(tmp_str, "mode = ARCHIVE;");
	  TDRP_add_override(&override, tmp_str);
	}
      } else {
	OK = false;
      }
	
    } else if (!strcmp(argv[i], "-end")) {
      
      if (i < argc - 1) {
	endTime = RadxTime::parseDateTime(argv[++i]);
	if (endTime == RadxTime::NEVER) {
	  OK = false;
	} else {
	  sprintf(tmp_str, "mode = ARCHIVE;");
	  TDRP_add_override(&override, tmp_str);
	}
      } else {
	OK = false;
      }
	
    } else if (!strcmp(argv[i], "-path") || !strcmp(argv[i], "-f")) {
      
      if (i < argc - 1) {
	// load up file list vector. Break at next arg which
	// start with -
	for (int j = i + 1; j < argc; j++) {
	  if (argv[j][0] == '-') {
	    break;
	  } else {
	    inputFileList.push_back(argv[j]);
	  }
	}
	sprintf(tmp_str, "mode = FILELIST;");
	TDRP_add_override(&override, tmp_str);
      } else {
	OK = false;
      }
      
    } else if (!strcmp(argv[i], "-check_params")) {
      
      tdrpExit = true;
      
    } else if (!strcmp(argv[i], "-tdrp_debug")) {
      
      tdrpExit = true;
      
    } else if (!strcmp(argv[i], "-tdrp_usage")) {
      
      tdrpExit = true;
      
    } else if (!strcmp(argv[i], "-print_params")) {

      tdrpExit = true;

    }
  } // i

  // set fields if specified

  if (!OK) {
    _usage(cerr);
    return -1;
  }

  return 0;
    
}

void RadxAppArgs::_usage(ostream &out)
{

  out << "Usage: " << _progName << " [args as below]\n"
      << "Options:\n"
      << "\n"
      << "  [ -h ] produce this list.\n"
      << "\n"
      << "  [ -d, -debug ] print debug messages\n"
      << "\n"
      << "  [ -end \"yyyy mm dd hh mm ss\"] end time\n"
      << "           Sets mode to ARCHIVE\n"
      << "\n"
      << "  [ -f, -paths ? ] set file paths\n"
      << "           Sets mode to FILELIST\n"
      << "\n"
      << "  [ -start \"yyyy mm dd hh mm ss\"] start time\n"
      << "           Sets mode to ARCHIVE\n"
      << "\n"
      << "  [ -v, -verbose ] print verbose debug messages\n"
      << "\n"
      << "  [ -vv, -extra ] print extra verbose debug messages\n"
      << "\n"
      << "  [ -print_fuzzy2d ] print an example of the Fuzzy2d parameters\n"
      << "\n"
      << endl;
  
  RadxAppParams::usage(out);
  
}