Bordcomputer/src/main/java/device/usbPlayer/UsbPlayer.java

package device.usbPlayer;

import device.Device;

import java.lang.reflect.Method;
import java.util.ArrayList;

public class UsbPlayer implements Device {


    private ArrayList<String> Playlist = new ArrayList<String>();
    private String playTrack = "";
    private Boolean isConnected;
    private Boolean isDefect;
    int Lautstaerke = 0;
    int soundWas = -1;

    public USB_Stick USBDrive = new USB_Stick();

    public ArrayList<String> getPlaylist() {
        return Playlist;
    }

    public void setPlaylist(ArrayList<String> playlist) {
        Playlist = playlist;
    }

    public Boolean getDefect() {
        return isDefect;
    }

    public void setDefect(Boolean defect) {
        isDefect = defect;
    }


    public Boolean getConnected() {
        return isConnected;
    }

    public void setConnected(Boolean connected) {
        isConnected = connected;
    }

    public String getPlayTrack() {
        return playTrack;
    }

    public void setPlayTrack(String playTrack) {
        if (this.findSong(playTrack) != -1) {
            this.playTrack = playTrack;
        } else System.out.println("The Song does not exist in the Albume");
    }


    public void setLautstaerke(int ls) {
        if (ls <= 100) {
            Lautstaerke = ls;
        }
    }

    public int getLautstaerke() {
        return Lautstaerke;
    }

    public UsbPlayer() {}

    //*********constructure********
    public UsbPlayer(USB_Stick stick) {
        super();
        isDefect = false;
        isConnected = true;

        try {
            Playlist = stick.getAlbum();
        } catch (NoFolderFound e) {
            e.printStackTrace();
        }
        if (isAllAudio()) {
            playTrack = Playlist.get(0);
        }

    }

    //**********search method*************
    public boolean isAllAudio() {

        String song = "";
        boolean flag = true;

        for (int i = 0; i < Playlist.size(); i++) {
            song = Playlist.get(i).substring(Playlist.get(i).length() - 4);
            if (song.equals(".mp3") | song.equals(".mp4") | song.equals(".m4a") | song.equals(".wav") | song.equals(".wma") | song.equals(".aac")) {
                flag = true;
            } else {
                flag = false;
                break;
            }
        }
        return flag;
    }


    //**********search method*************
    @Override
    public void quieter() {
        if (this.soundWas == -1) {
            if (Lautstaerke > 0) {
                Lautstaerke -= 1;
            } else {
                Lautstaerke = 0;
            }
        }

    }

    @Override
    public void louder() {
        if (this.soundWas == -1) {
            if (Lautstaerke < 100) {
                Lautstaerke += 1;
            } else {
                Lautstaerke = 100;
            }
        }
    }

    public void Louder_10() {
        if (this.soundWas == -1) {
            Lautstaerke += 10;
            if (Lautstaerke > 100) {
                Lautstaerke = 100;
            }
        }

    }

    public void quieter_10() {
        if (this.soundWas == -1) {
            Lautstaerke -= 10;
            if (Lautstaerke < 0) {
                Lautstaerke = 0;
            }
        }
    }

    @Override
    public int getVolume() {
        return Lautstaerke;
    }

    @Override
    public void next() {
        int currentIdex = Playlist.indexOf(playTrack);
        int nextIndex = (currentIdex + 1) % Playlist.size();
        playTrack = Playlist.get(nextIndex);
    }

    @Override
    public void prev() {
        int currentIdex = Playlist.indexOf(playTrack);
        int nextIndex = Playlist.size() - 1;
        if (currentIdex != 0) {
            nextIndex = (currentIdex - 1);
        }
        playTrack = Playlist.get(nextIndex);
    }

    @Override
    public String getInfoText() {
        String InfoText = "";
        if (isAllAudio()) {
            InfoText = "USB Player is on : " + this.getPlayTrack();
        } else
            InfoText = "USB Player with no Albums";
        return InfoText;
    }

    @Override
    public String[] getOptions() {

        Method[] methods=this.getClass().getDeclaredMethods();
        String[] methodsList =new String[methods.length];
        for (int i = 0; i <methods.length ; i++) {
            methodsList[i]=methods[i].getName();
        }
        return  methodsList;
    }

    @Override
    public String chooseItem(int itemNr) {
        String Message="";
        if (itemNr < this.getPlaylist().size() && itemNr >= 0) {
            Message= this.getPlaylist().get(itemNr ).toString();
        }else if(itemNr < 0){
            Message="The Nr is smaller than 0";
        }else Message="The Nr is bigger than 0";
        return Message;
    }



    @Override
    public String[] getItemList() {
        String array[] = new String[getPlaylist().size()];
        for(int j =0;j<getPlaylist().size();j++){
            array[j] = getPlaylist().get(j);
        }
        return array;
    }

    @Override
    public String mute() {
        this.soundWas = getLautstaerke();
        setLautstaerke(0);
        return "muted";
    }

    @Override
    public String unmute() {

        setLautstaerke(soundWas);
        this.soundWas = -1;
        return "unmuted";
    }


    @Override
    public String play() {
        String result = "USB : ";
        if (isConnected == true) {
            result += "connected,";
            if (isDefect == false) {
                result += "working";
                if (this.Playlist.size() != 0) {
                    result += ",have a list";
                    if (this.isAllAudio()) {
                        result += ",Audio";
                        if (!playTrack.equals(""))
                            result += ",point to a track.";
                        else
                            result += ",doesn't point to a track.";
                    } else {
                        result += ",not Audio.";
                    }
                } else result += ",have no list.";
            } else {
                result += "not working.";
            }
        } else result = "not connected.";
        return result;

    }

    public int findSong(String songName) {

        int songIndex = -1, index = -1;
        String song;

        for (int j = 0; j < getPlaylist().size(); j++) {

            song = getPlaylist().get(j);
            songIndex = song.toLowerCase().indexOf(songName.toLowerCase());

            if (songIndex != -1) {
                index = j;
                break;
            }
        }
        return index;
    }

    public boolean GoTo(String songName) {
        if (findSong(songName) != -1) {
            playTrack = getPlaylist().get(findSong(songName));//songName;
            return true;
        } else
            //playTrack = songName;
            return false;
    }

    public void GoToFirst() {
        //go to the first song in the list
        setPlayTrack(getPlaylist().get(0));
    }

    public void GoToLast() {
        //go to the last Song
        setPlayTrack(this.getPlaylist().get(this.getPlaylist().size() - 1));
    }


}