#include <iostream>

#include <cmath>

using namespace std;

enum Genre {

      Blues, Rock, Pop, Jazz, Unknown

};

 

int noSong = 0;

 

class SongInfo {

private:

      string _name;

      string _artist;

      string _album;

      Genre _g;

      double _length;

 

public:

      SongInfo() {

      }

      void loadSongInfo(string name, string artist, string album, Genre g,

                  double length) {

            _name = name;

            _artist = artist;

            _album = album;

            _g = g;

            _length = length;

      }

      Genre getSongGenre() {

            return _g;

      }

      void displaySongInfo() {

            cout << "Song Name:" << _name << endl;

            cout << "Artist Name:" << _artist << endl;

            cout << "Album Name:" << _album << endl;

            string g;

            switch (_g) {

            case Blues:

                  g = "Blues";

                  break;

            case Rock:

                  g = "Rock";

                  break;

            case Pop:

                  g = "Pop";

                  break;

            case Jazz:

                  g = "Jazz";

                  break;

            default:

                  g = "Unknown";

                  break;

            }

            cout << "Genre Name:" << g << endl;

            cout << "Length in mins:" << _length << endl;

      }

};

class Jocker {

public:

      // constructor

      int calculatePaylist(int songLen, int numberOfSongs) {

            this->songLen = songLen;

            this->numberOfSongs = numberOfSongs;

 

            avPlayListlen = songLen * numberOfSongs;

 

            return avPlayListlen;

      }

 

      // hidden data from outside world

 

      int songLen;

      int numberOfSongs;

      int avPlayListlen;

};

 

SongInfo songs[100];

 

//Menu

int menu() {

      int choice;

      cout << "1. Add Song to PlayeList: \n";

      cout << "2. Show Playlist by Genre\n";

      cout << "3. Display Playlist\n";

      cout << "4. Exit\n";

      cout << "Enter the option: ";

      cin >> choice;

 

      while (choice < 1 || choice > 4) {

            cout << "Option must be between (1-4): ";

            cin >> choice;

      }

      return choice;

}

 

//Main function

int main() {

      string name;

      string artist;

      string album;

      Genre g;

      double length;

      while (true) {

 

            int option = menu();

 

            if (option == 1) {

                  cout << "Enter name of song (e.g. Last Day)" << endl;

                  cin >> name;

                  cout << "Enter name of arist (e.g. Taylor Swift)" << endl;

                  cin >> artist;

                  cout << "Enter name of album (e.g. Breaking Bad)" << endl;

                  cin >> album;

                  cout << "Enter genre - Blues = 1, Rock=2, Pop=3 and Jazz=4" << endl;

                  int choice = 0;

                  cin >> choice;

 

                  switch (choice) {

                  case 1:

                        g = Blues;

                        break;

                  case 2:

                        g = Rock;

                        break;

                  case 3:

                        g = Pop;

                        break;

                  case 4:

                        g = Jazz;

                        break;

                  default:

                        g = Unknown;

                        break;

                  }

                  cout << "Enter length of song in minutes (e.g. 5.2)" << endl;

                  cin >> length;

 

                  songs[noSong].loadSongInfo(name, artist, album, g, length);

                  noSong++;

            } else if (option == 2) {

                  cout << "List songs by genre - Blues = 1, Rock=2, Pop=3 and Jazz=4"

                              << endl;

                  int choice = 0;

                  cin >> choice;

 

                  cout << "Listing  songs " << endl;

 

                  for (int i = 0; i < noSong; i++) {

                        Genre g;

                        switch (choice) {

                        case 1:

                              g = Blues;

                              break;

                        case 2:

                              g = Rock;

                              break;

                        case 3:

                              g = Pop;

                              break;

                        case 4:

                              g = Jazz;

                              break;

                        default:

                              g = Unknown;

                              break;

                        }

                        if (songs[i].getSongGenre() == g) {

                              songs[i].displaySongInfo();

                        }

                  }

 

            } else if (option == 3) {

                  cout << "Listing all songs in your collection" << endl;

                  for (int i = 0; i < noSong; i++) {

                        songs[i].displaySongInfo();

                  }

 

            } else if (option == 4) {

                  cout << "Good Bye!" << endl;

                  return 0;

            }

            cout << endl;

 

      }

      return 0;

}