//-------------------------------------------------------------------
// File       :hw3.C
// Author     :Alicia Thorsen
// Course     :CS1129
// Assignment :Hw3 Solution
//
// Program manages a music library by allowing the user to add,
// delete and view songs. The library is stored in an external
// file which is read in at the beginning of the program, and
// written to when the user chooses to save the library.
//-------------------------------------------------------------------

#include "library.h"
#include <iostream>
using namespace std;

// -------------------------------------------------------------------
//  MAIN FUNCTION.
// -------------------------------------------------------------------

int main() {
  Library lib;
  bool keepGoing = true;                 // Continue running program.
  char choice;

  // Show application logo.
  system("clear");
  lib.showLogo();

  // Load library
  lib.loadLibrary();

  // Execute menu functions until user quits.
  while (keepGoing) {
    choice = lib.showMenu();

    switch (choice) {
      case 'a':
      case 'A':
        // Add a song.
        lib.addSong();
        break;

      case 'd':
      case 'D':
        // Delete a song.
        lib.deleteSong();
        break;

      case 'v':
      case 'V':
        // View library.
        lib.displayLib();
        break;

      case 'i':
      case 'I':
        // Display info about library.
        lib.showLibStats();
        break;

      case 's':
      case 'S':
        // Save changes.
        lib.save();
        break;

      case 'q':
      case 'Q':
        // Quit application.
        keepGoing = lib.quit();
        break;

      default:
        // Invalid menu option.
        cout << "\n\nInvalid choice! Please try again.\n\n";
    }
  }

  cout << "\nGoodbye!\n\n";
  return 0;

} // end main().