#include "AlbumCollection.h"
#include "Album.h"
#include "Track.h"
#include <iostream>
#include <fstream>
#include <sstream>
#include <Algorithm>

AlbumCollection::AlbumCollection() : albums (*new vector<Album>)
{
}

AlbumCollection::AlbumCollection(vector<Album> a) : albums (*new vector<Album>)
{
    albums = a;
}

Album AlbumCollection::getAlbum(int i)
{
    return albums[i];
}

void AlbumCollection::addAlbum(Album a)
{
    albums.push_back(a);
}

vector<Album>& AlbumCollection::getAlbumList()
{
    return albums;
}

void AlbumCollection::sortAlbums(){
    std::sort(albums.begin(), albums.end(), compareAlbums);
}

Album& AlbumCollection::getAlbum(string title)
{
    for(vector<Album>::iterator it = albums.begin(); it != albums.end(); it++){
        Album& a = *it;
        if (a.getTitle().compare(title) == 0){
            return a;
        }
    }
}

istream& operator>>(istream& is, AlbumCollection& albumCollection)
{
    string str;
    getline(is, str);

    if (str.find(": ") != -1)
    {
        Album a;
        stringstream strStream(str);
        strStream >> a;
        albumCollection.addAlbum(a);
    }
    if (str.find("-") != -1)
    {
        Track t;
        stringstream strStream(str);
        strStream >> t;
        albumCollection.getAlbumList().back().addTrack(t);
    }


    return is;
}

ifstream& operator>>(ifstream& ifs, AlbumCollection& albumCollection)
{
    if (ifs.is_open()){
        while (ifs.good()){
            string str;
            getline(ifs, str);
            stringstream strStream(str);
            strStream >> albumCollection;
        }
    }

    return ifs;
}