SongPlayer.cpp

#include <iostream>
#include "Song.h"
#include <list>
#include <iomanip>

std::ostream& operator<<(std::ostream& os, const Song& s) {
    os << "Song [" << s.name << "] - Artist: [" << s.artist << "]\n";
 return os;
}

void showMenu() {
    std::cout << std::endl << std::setw(3) << std::left << "F" << "-" << std::setw(18) << std::right << "Play First Song\n"
        << std::setw(3) << std::left << "N" << "-" << std::setw(17) << std::right << "Play Next Song\n"
        << std::setw(3) << std::left << "P" << "-" << std::setw(21) << std::right << "Play Previous Song\n"
        << std::setw(3) << std::left << "A" << "-" << std::setw(46) << std::right << "Add and play a new song at current location\n"
        << std::setw(3) << std::left << "L" << "-" << std::setw(28) << std::right << "List the current playlist\n";
}

void showPlaylist(std::list<Song>& playList) {

    std::cout << "========================================================================\n"<< std::setw(35) << std::right << "Songs" << "\n========================================================================\n";
    std::cout << std::setw(30) << std::left << "Song Name" << std::setw(30) << std::left << "Artist" << "Rating" << std::endl;
    for (const auto &s : playList) {
        std::cout << std::setw(30) << std::left << s.getName() << std::setw(30) << std::left << s.getArtist() <<  s.getRating() << std::endl;
    }
}

void displayCurrSong(const Song & s) {
    std::cout << "\n========================================================================\n" << std::setw(40) << std::right << "Current Song" << "\n========================================================================\n";
    std::cout << std::setw(30) << std::left << s.getName() << std::setw(30) << std::left << s.getArtist() << s.getRating() << std::endl;
}

void addSong(std::list<Song>::iterator& i, std::list<Song> &pl, Song s) {
    pl.emplace(i, s);
    i++;
    std::cout << s << std::endl;
    showPlaylist(pl);
}

int main()
{
    char input{};
    std::list<Song> playList{
        Song{"Einaya Bethebak","Tamer Hosny",5},
        Song{"Arrab Kaman","Tamer Hosny",5},
        Song{"Baeed 3an Einy","Tamer Hosny",5},
        Song{"Ana Ayesh","Amr Diab",5},
        Song{"Wahashteny","Amr Diab",3}
    };
    std::list<Song>::iterator currSong{playList.begin()};
    showPlaylist(playList);
    displayCurrSong(*currSong);
    showMenu();
    while (std::cin >> input) {
        switch (toupper(input)) {
        case 'F':
        {
            displayCurrSong(*currSong);
            break;
        }
        case 'N':
        {
            currSong++;
            if (currSong == playList.end())
                currSong = playList.begin();
            displayCurrSong(*currSong);
            showMenu();
            break;
        }
        case 'P':
        {
            if (currSong == playList.begin()) {
                currSong = playList.end();
                currSong--;
                displayCurrSong(*currSong);
            }
            else {
                currSong--;
                displayCurrSong(*currSong);
            }
            showMenu();
            break;
        }
        case 'A':
        {
            std::string name;
            std::string artist;
            int rating;
            std::cin.clear();
            std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
            std::cout << "Enter Song Name: " << std::endl;
            getline(std::cin, name);
            std::cout << "Enter Song Artist: " << std::endl;
            getline(std::cin, artist);
            std::cout << "Enter Song rating: " << std::endl;
            std::cin >> rating;
            addSong(currSong, playList, Song{ name,artist, rating });
            break;
        }
        case 'L':
        {
            std::cout << "L" << std::endl;
            break;
        }
        default: {
            std::cout << "DEFAULT" << std::endl;
            break;
        }
        }
    }

}