Bordcomputer/src/main/java/device/radioPlayer/RadioPlayer.java

package device.radioPlayer;

import device.Device;
import java.lang.reflect.Method;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Arrays;

public class RadioPlayer implements Device {

    public RadioPlayer() {
        super();
        savedPlaylist.add("YouFM");
        savedPlaylist.add("Teddy");
        savedPlaylist.add("MegaHits");
        playedStation = savedPlaylist.get(0);
    }

    ArrayList<String> savedPlaylist = new ArrayList<>();
    ArrayList<String> regionPlaylist = new ArrayList<>();
    LocalDateTime now = LocalDateTime.now();
    int hour = now.getHour();
    int volume = 0;
    int savedVolume;
    String playedStation;

    String getYouFMInfoByTime(int x) {
        if (x >= 5 && x < 10) return YouFMInfo[0];
        else if (x >= 10 && x < 14) return YouFMInfo[1];
        else if (x >= 14 && x < 18) return YouFMInfo[2];
        else if (x >= 18 && x < 20) return YouFMInfo[3];
        else if (x >= 20 && x < 22) return YouFMInfo[4];
        else if (x >= 22 && x <= 23) return YouFMInfo[5];
        else return YouFMInfo[6];
    }

    String[] YouFMInfo = {"YOUFM Good Morning Show", "YOUFM Worktime", "YOUFM am Nachmittag", "YOUFM am Abend", "YOUFM Wir feiern euch", "YOUFM Deutschrap ideal", "YOUFM Junge Nacht der ARD"};

    String getBR3InfoByTime(int x) {
        if (x >= 5 && x < 9) return BR3Info[0];
        else if (x >= 9 && x < 12) return BR3Info[1];
        else if (x == 12) return BR3Info[2];
        else if (x >= 13 && x < 16) return BR3Info[3];
        else if (x >= 16 && x < 19) return BR3Info[4];
        else if (x >= 19 && x < 21) return BR3Info[5];
        else if (x >= 21 && x < 24) return BR3Info[6];
        else return BR3Info[7];
    }

    String[] BR3Info = {"Sebastian Winkler und die Frühaufdreher", "BAYERN 3 - und DU mittendrin!", "Update", "Hits, Hits, Hits für euren Nachmittag", "Die Zwei für euren Feierabend", "Was geht?!", "Matuschke - der etwas andere Abend", "Die Nacht"};

    String getAntenneBYInfoByTime(int x) {
        if (x >= 5 && x < 9) return AntenneBYInfo[0];
        else if (x >= 9 && x < 12) return AntenneBYInfo[1];
        else if (x >= 12 && x < 15) return AntenneBYInfo[2];
        else if (x >= 15 && x < 19) return AntenneBYInfo[3];
        else return AntenneBYInfo[4];
    }

    String[] AntenneBYInfo = {"ANTENNE BAYERN Guten Morgen Bayern", "ANTENNE BAYERN bei der Arbeit", "ANTENNE BAYERN am Nachmittag", "ANTENNE BAYERN am Abend", "ANTENNE BAYERN Hit-Nacht"};


    public void setVolume(int volume) {
        this.volume = volume;
    }

    public void changeRegion(String region) {
        switch (region) {
            case "BY":
                regionPlaylist.clear();
                regionPlaylist.add("Antenne Bayern");
                regionPlaylist.add("Bayern 1");
                regionPlaylist.add("Bayern 3");
                regionPlaylist.add("Hit Radio N1");
                playedStation = regionPlaylist.get(0);
                break;
            case "HE":
                regionPlaylist.clear();
                regionPlaylist.add("Hit Radio FFH");
                regionPlaylist.add("HR 1");
                regionPlaylist.add("HR 3");
                regionPlaylist.add("YouFM");
                playedStation = regionPlaylist.get(0);
                break;
            case "BW":
                regionPlaylist.clear();
                regionPlaylist.add("DASDING");
                regionPlaylist.add("SWR 1");
                regionPlaylist.add("SWR 3");
                regionPlaylist.add("sunshine live");
                playedStation = regionPlaylist.get(0);
                break;
        }
    }

    @Override
    public void louder() {
        if (volume < 100) {
            volume += 1;
        } else volume = 100;
    }

    @Override
    public void quieter() {
        if (volume > 0) {
            volume -= 1;
        } else volume = 0;
    }

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

    @Override
    public void next() {
        if (regionPlaylist.contains(playedStation)) {
            int currentIndex = regionPlaylist.indexOf(playedStation);
            int nextIndex = (currentIndex + 1) % regionPlaylist.size();
            playedStation = regionPlaylist.get(nextIndex);
        } else {
            int currentIndex = savedPlaylist.indexOf(playedStation);
            int nextIndex = (currentIndex + 1) % savedPlaylist.size();
            playedStation = savedPlaylist.get(nextIndex);
        }
    }

    @Override
    public void prev() {
        if (regionPlaylist.contains(playedStation)) {
            int currentIndex = regionPlaylist.indexOf(playedStation);
            int nextIndex = regionPlaylist.size() - 1;
            if (currentIndex != 0) {
                nextIndex = (currentIndex - 1);
            }
            playedStation = regionPlaylist.get(nextIndex);
        } else {
            {
                int currentIndex = savedPlaylist.indexOf(playedStation);
                int nextIndex = savedPlaylist.size() - 1;
                if (currentIndex != 0) {
                    nextIndex = (currentIndex - 1);
                }
                playedStation = savedPlaylist.get(nextIndex);
            }
        }
    }

    @Override
    public String getInfoText() {
        if (showStationInfo().equals("")) return buildInfoText();
        return (buildInfoText() + "\n Now playing: " + showStationInfo());
    }

    private String buildInfoText() {
        String infoText = playedStation;
        if (regionPlaylist.contains(playedStation))
            return ("Regional playlist: " + (regionPlaylist.indexOf(playedStation) + 1) + infoText);
        else return ("Saved playlist: " + (savedPlaylist.indexOf(playedStation) + 1) + infoText);
    }

    @Override
    public String[] getOptions() {
        Method[] methods = this.getClass().getDeclaredMethods();

        return Arrays.stream(methods).map(Method::getName).toArray(String[]::new);
    }

    @Override
    public String chooseItem(int itemNr) {
        if (regionPlaylist.contains(playedStation)) {
            if (itemNr > regionPlaylist.size()) {
                playedStation = regionPlaylist.get(regionPlaylist.size() - 1);
                return ("Radio is playing station: 0" + regionPlaylist.size() + " " + this.playedStation + " from regional playlist");
            } else if (itemNr < 1) {
                playedStation = regionPlaylist.get(0);
                return ("Radio is playing station: 01 " + this.playedStation + " from regional playlist");
            } else {
                playedStation = regionPlaylist.get(itemNr - 1);
                return ("Radio is playing station: 0" + (regionPlaylist.indexOf(playedStation) + 1) + " " + this.playedStation + " from regional playlist");
            }
        } else {
            if (itemNr > savedPlaylist.size()) {
                playedStation = savedPlaylist.get(savedPlaylist.size() - 1);
                return ("Radio is playing station: 0" + savedPlaylist.size() + " " + this.playedStation + " from saved playlist");
            } else if (itemNr < 1) {
                playedStation = savedPlaylist.get(0);
                return ("Radio is playing station: 01 " + this.playedStation + " from saved playlist");
            } else {
                playedStation = savedPlaylist.get(itemNr - 1);
                return ("Radio is playing station: 0" + (savedPlaylist.indexOf(playedStation) + 1) + " " + this.playedStation + " from saved playlist");
            }
        }
    }

    @Override
    public String[] getItemList() {
        if (regionPlaylist.contains(playedStation))
            return regionPlaylist.toArray(new String[0]);
        else
            return savedPlaylist.toArray(new String[0]);
    }

    @Override
    public String mute() {
        savedVolume = getVolume();
        setVolume(0);
        return "RadioPlayer is muted now";
    }

    @Override
    public String unmute() {
        setVolume(savedVolume);
        return ("RadioPlayer is unmuted Volume is set to " + getVolume());
    }

    @Override
    public String play() {
        if (regionPlaylist.contains(playedStation))
            return ("Radio is playing station: 0" + (regionPlaylist.indexOf(playedStation) + 1) + " " + this.playedStation + " from regional playlist");
        else
            return ("Radio is playing station: 0" + (savedPlaylist.indexOf(playedStation) + 1) + " " + this.playedStation + " from saved playlist");
    }

    public String showStationInfo() {
        switch (playedStation) {
            case "Antenne Bayern":
                return getAntenneBYInfoByTime(hour);
            case "YouFM":
                return getYouFMInfoByTime(hour);
            case "Bayern 3":
                return getBR3InfoByTime(hour);
            default:
                return "";
        }
    }

    public String saveStation() {
        if (savedPlaylist.contains(playedStation)) return "Station " + playedStation + " is already saved";
        else savedPlaylist.add(playedStation);
        regionPlaylist.clear();
        return "Station " + playedStation + " is saved in your Station list";
    }

    public String deleteStation() {
        String station = playedStation;
        if ((savedPlaylist.size()) > 1) {
            savedPlaylist.remove(playedStation);
            playedStation = savedPlaylist.get(0);
            return "Station: 0" + (savedPlaylist.indexOf(playedStation) + 1) + " " + station + " has been deleted";
        } else return " Last Station: 01 " + station + " can´t by deleted";
    }

    public String changeToSavedPlaylist() {
        if (regionPlaylist.contains(playedStation)) {
            playedStation = savedPlaylist.get(0);
            regionPlaylist.clear();
            return "Playlist switched now playing station: 0" + (savedPlaylist.indexOf(playedStation) + 1) + " " + this.playedStation + " from saved playlist";
        }
        return "You are already in saved Playlist!";
    }

    public String changeOrderInSavedPlaylist(int nr) {
        String station = playedStation;
        if ((nr - 1) > savedPlaylist.size()) {
            savedPlaylist.remove(playedStation);
            savedPlaylist.add(savedPlaylist.size(), station);
            return "Station " + playedStation + " is now on place 0" + (savedPlaylist.size() + 1) + "in saved playlist";
        } else if (nr < 0) {
            savedPlaylist.remove(playedStation);
            savedPlaylist.add(0, station);
            return "Station " + playedStation + " is now on place 01 in saved playlist";
        } else {
            savedPlaylist.remove(playedStation);
            savedPlaylist.add(nr - 1, station);
            return "Station " + playedStation + " is now on place 0" + nr + "in saved playlist";
        }
    }
}