package com.ts3client.ui;

import com.ts3client.audio.AudioDevice;

import javax.swing.JComboBox;
import java.util.List;

/** The device pickers of the Playback and Capture pages. */
final class AudioDevices {

    private static final String HINT = "<html>Named devices are PipeWire's, and are routed through it "
            + "(so per-application volume and rerouting keep working).<br>"
            + "<b>ALSA:</b> entries talk to the sound card directly, taking it exclusively.</html>";

    private AudioDevices() {
    }

    /** A picker over {@code devices} with {@code selectedId} chosen, or the first (default) one. */
    static JComboBox<AudioDevice> combo(List<AudioDevice> devices, String selectedId) {
        JComboBox<AudioDevice> combo = new JComboBox<>(devices.toArray(new AudioDevice[0]));
        combo.setToolTipText(HINT);
        if (combo.getItemCount() == 0) return combo;
        combo.setSelectedIndex(0);
        if (selectedId != null && !selectedId.isEmpty()) {
            for (int i = 0; i < combo.getItemCount(); i++) {
                if (selectedId.equals(combo.getItemAt(i).id())) {
                    combo.setSelectedIndex(i);
                    break;
                }
            }
        }
        return combo;
    }

    static String selectedId(JComboBox<AudioDevice> combo) {
        AudioDevice d = (AudioDevice) combo.getSelectedItem();
        return d == null ? "" : d.id();
    }
}