//Matt Mauney
//My solution to project 2
//output code for printing borrowed from prof. Shields

#include<iostream>
#include<string> 
#include<iomanip>
#include<fstream>

using namespace std;

int main(){

  //temp variables for reading from file
  char observer = ' ';         //who observed the feeding
  char food     = ' ';         //what was being eaten
  int  size     = 0;           //size of food
  int  counter  = 0;           //so we can tell where an error is,counts line#

  //streams for imput and output files
  ifstream inputfile;          //this is the imput file stream
  ofstream outputfile;         //this is the output file stream

  //the names of those files
  string inputfilename;        //from user, name of imput file
  string outputfilename;       //from user, name of output file

  //the variables below are tally variables
  int smallclams     = 0;	     //number of small  clams
  int mediumclams    = 0;	     //number of medium clams
  int largeclams     = 0;	     //number of large  clams

  int smallurchins   = 0;	     //number of small  urchins
  int mediumurchins  = 0;	     //number of medium urchins
  int largeurchins   = 0;	     //number of large  urchins

  int smallworms     = 0;	     //number of small  worms
  int mediumworms    = 0;	     //number of medium worms
  int largeworms     = 0;	     //number of medum  worms

  int smallsnails    = 0;	     //number of small  snails
  int mediumsnails   = 0;	     //number of medium snails
  int largesnails    = 0;	     //number of large  snails

  int smallabalones  = 0;	     //number of small  abalones
  int mediumabalones = 0;	     //number of medium abalones
  int largeabalones  = 0;	     //number of large  abalones

  int smallmussels   = 0;      //number of small  mussels
  int mediummussels  = 0;      //number of medium mussels
  int largemussels   = 0;      //number of large  mussels

  int smallunknowns  = 0;	     //number of small  unknowns
  int mediumunknowns = 0;      //number of medium unknowns
  int largeunknowns  = 0;      //number of large  unknowns

  /*****************************************************************************/

  //copy output design directly from program description
  cout << "This program will process observation data files from" << endl;
  cout << "sea otter feeding observations at Elkhorn Slough." << endl << endl;

  cout << "Please enter the name of the file to use for input: ";
  getline(cin, inputfilename);   //get imput file name from user

  cout << "Please enter the name of the file to use for output: ";
  getline(cin, outputfilename);  //get output file name from user

  inputfile.open(inputfilename.c_str());  //open input file
  if(!inputfile) {
    cerr << "The imput file specified, " << inputfilename 
	 << ", could not be opened"      << endl;
    exit(1);
  }

  outputfile.open(outputfilename.c_str()); //open or create output file
  if (!outputfile){
    cerr << "The output file you specified, " << outputfilename
	 << ", could not be opened."          << endl;
    exit(1);
  }

  cout << endl; //I needed this for my output to be pretty

  while(inputfile >> observer >> food >> size) {  //i like looping like this

    counter++;          //increment our counter

    switch(food) {                    //switch for each possible food type
    case 'C':                    //first if a clam was eaten
    case 'c':
      switch(size) {          //find size of clam, increment counter
      case 1:
	smallclams++;
	break;
      case 2:
	mediumclams++;	
	break;
      case 3:
	largeclams++;
	break;
      default:
	cerr << "error in size on line: " << counter << endl;
	break;
      }
      break;                  //done if was a clam
    case 'U':                    //see if an urchin was eaten
    case 'u':
      switch(size) {          //see what size urchin, raise counter
      case 1:
	smallurchins++;
	break;
      case 2:
	mediumurchins++;
	break;
      case 3:
	largeurchins++;
	break;
      default:
	cerr << "error in size on line: " << counter << endl;
	break;
      }
      break;                     //done if was an urchin
    case 'W':                       //see if a worm was eaten
    case 'w':
      switch(size) {             //see how big the worm was, etc
      case 1:
	smallworms++;
	break;
      case 2:
	mediumworms++;
	break;
      case 3:
	largeworms++;
	break;
      default:
	cerr << "error in size on line: " << counter << endl;
	break;
      }
      break;
    case 'S':
    case 's':
      switch(size) {
      case 1:
	smallsnails++;
	break;
      case 2:
	mediumsnails++;
	break;
      case 3:
	largesnails++;
	break;
      default:
	cerr << "error in size on line: " << counter << endl;
	break;
      }
      break;
    case 'A':
    case 'a':
      switch(size) {
      case 1:
	smallabalones++;
	break;
      case 2:
	mediumabalones++;
	break;
      case 3:
	largeabalones++;
	break;
      default:
	cerr << "error in size on line: " << counter << endl;
	break;
      }
      break;
    case 'm':
    case 'M':
      switch(size) {
      case 1:
	smallmussels++;
	break;
      case 2:
	mediummussels++;
	break;
      case 3:
	largemussels++;
	break;
      default:
	cerr << "error in size on line: " << counter << endl;
	break;
      }
      break;
    case '?':
      switch(size) {
      case 1:
	smallunknowns++;
	break;
      case 2:
	mediumunknowns++;
	break;
      case 3:
	largeunknowns++;
	break;
      default:
	cerr << "error in size on line: " << counter << endl;
	break;
      }
      break;
    default:
      cerr << "error in item imput on line:" << counter << endl;
    }//


  }//now done looping

  inputfile.close();  //close imput file, done with it

  //output to screen first

  cout << endl << endl;

  cout << " " << setw(19) << "Small" << setw(10) << "Medium" 
       << setw(10) << "Large" << endl;

  cout << setw(10) << "Clams" << setw(10) << smallclams << setw(10) 
       << mediumclams << setw(10) << largeclams << endl;

  cout << setw(10) << "Urchins" << setw(10) << smallurchins << setw(10) 
       << mediumurchins << setw(10) << largeurchins << endl;

  cout << setw(10) << "Worms" << setw(10) << smallworms << setw(10) 
       << mediumworms << setw(10) << largeworms << endl;

  cout << setw(10) << "Snails" << setw(10) << smallsnails << setw(10) 
       << mediumsnails << setw(10) << largesnails << endl;

  cout << setw(10) << "Abalones" << setw(10) << smallabalones << setw(10) 
       << mediumabalones << setw(10) << largeabalones << endl;

  cout << setw(10) << "Mussels" << setw(10) << smallmussels << setw(10) 
       << mediummussels << setw(10) << largemussels << endl;

  cout << setw(10) << "Unknown" << setw(10) << smallunknowns << setw(10) 
       << mediumunknowns << setw(10) << largeunknowns << endl;

  //now print to output file

  outputfile << " " << setw(10) << "Small" << setw(10) << "Medium" 
	     << setw(10) << "Large" << endl;

  outputfile << setw(10) << "Clams" << setw(10) << smallclams << setw(10) 
	     << mediumclams << setw(10) << largeclams << endl;

  outputfile << setw(10) << "Urchins" << setw(10) << smallurchins << setw(10) 
	     << mediumurchins << setw(10) << largeurchins << endl;

  outputfile << setw(10) << "Worms" << setw(10) << smallworms << setw(10) 
	     << mediumworms << setw(10) << largeworms << endl;

  outputfile << setw(10) << "Snails" << setw(10) << smallsnails << setw(10) 
	     << mediumsnails << setw(10) << largesnails << endl;

  outputfile << setw(10) << "Abalones" << setw(10) << smallabalones << setw(10) 
	     << mediumabalones << setw(10) << largeabalones << endl;

  outputfile << setw(10) << "Mussels" << setw(10) << smallmussels << setw(10) 
	     << mediummussels << setw(10) << largemussels << endl;

  outputfile << setw(10) << "Unknown" << setw(10) << smallunknowns << setw(10) 
	     << mediumunknowns << setw(10) << largeunknowns << endl;

  outputfile.close();
  return(0);
}