/*
  ==============================================================================

   This file is part of the JUCE framework.
   Copyright (c) Raw Material Software Limited

   JUCE is an open source framework subject to commercial or open source
   licensing.

   By downloading, installing, or using the JUCE framework, or combining the
   JUCE framework with any other source code, object code, content or any other
   copyrightable work, you agree to the terms of the JUCE End User Licence
   Agreement, and all incorporated terms including the JUCE Privacy Policy and
   the JUCE Website Terms of Service, as applicable, which will bind you. If you
   do not agree to the terms of these agreements, we will not license the JUCE
   framework to you, and you must discontinue the installation or download
   process and cease use of the JUCE framework.

   JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
   JUCE Privacy Policy: https://juce.com/juce-privacy-policy
   JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/

   Or:

   You may also use this code under the terms of the AGPLv3:
   https://www.gnu.org/licenses/agpl-3.0.en.html

   THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
   WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.

  ==============================================================================
*/

namespace juce
{

//==============================================================================
/**
    A component containing controls to let the user change the audio settings of
    an AudioDeviceManager object.

    Very easy to use - just create one of these and show it to the user.

    @see AudioDeviceManager

    @tags{Audio}
*/
class JUCE_API  AudioDeviceSelectorComponent  : public Component,
                                                private ChangeListener
{
public:
    //==============================================================================
    /** Creates the component.

        If your app needs only output channels, you might ask for a maximum of 0 input
        channels, and the component won't display any options for choosing the input
        channels. And likewise if you're doing an input-only app.

        @param deviceManager            the device manager that this component should control
        @param minAudioInputChannels    the minimum number of audio input channels that the application needs
        @param maxAudioInputChannels    the maximum number of audio input channels that the application needs
        @param minAudioOutputChannels   the minimum number of audio output channels that the application needs
        @param maxAudioOutputChannels   the maximum number of audio output channels that the application needs
        @param showMidiInputOptions     if true, the component will allow the user to select which midi inputs are enabled
        @param showMidiOutputSelector   if true, the component will let the user choose a default midi output device
        @param showChannelsAsStereoPairs    if true, channels will be treated as pairs; if false, channels will be
                                        treated as a set of separate mono channels.
        @param hideAdvancedOptionsWithButton    if true, only the minimum amount of UI components
                                        are shown, with an "advanced" button that shows the rest of them
    */
    AudioDeviceSelectorComponent (AudioDeviceManager& deviceManager,
                                  int minAudioInputChannels,
                                  int maxAudioInputChannels,
                                  int minAudioOutputChannels,
                                  int maxAudioOutputChannels,
                                  bool showMidiInputOptions,
                                  bool showMidiOutputSelector,
                                  bool showChannelsAsStereoPairs,
                                  bool hideAdvancedOptionsWithButton);

    /** Destructor */
    ~AudioDeviceSelectorComponent() override;

    /** The device manager that this component is controlling */
    AudioDeviceManager& deviceManager;

    /** Sets the standard height used for items in the panel. */
    void setItemHeight (int itemHeight);

    /** Returns the standard height used for items in the panel. */
    int getItemHeight() const noexcept      { return itemHeight; }

    /** Returns the ListBox that's being used to show the midi inputs, or nullptr if there isn't one. */
    ListBox* getMidiInputSelectorListBox() const noexcept;

    //==============================================================================
    /** @internal */
    void resized() override;

    /** @internal */
    void childBoundsChanged (Component* child) override;

private:
    //==============================================================================
    void handleBluetoothButton();
    void updateDeviceType();
    void changeListenerCallback (ChangeBroadcaster*) override;
    void updateAllControls();

    std::unique_ptr<ComboBox> deviceTypeDropDown;
    std::unique_ptr<Label> deviceTypeDropDownLabel;
    std::unique_ptr<Component> audioDeviceSettingsComp;
    String audioDeviceSettingsCompType;
    int itemHeight = 0;
    const int minOutputChannels, maxOutputChannels, minInputChannels, maxInputChannels;
    const bool showChannelsAsStereoPairs;
    const bool hideAdvancedOptionsWithButton;

    class MidiInputSelectorComponentListBox;
    class MidiOutputSelector;

    Array<MidiDeviceInfo> currentMidiOutputs;
    std::unique_ptr<MidiInputSelectorComponentListBox> midiInputsList;
    std::unique_ptr<MidiOutputSelector> midiOutputSelector;
    std::unique_ptr<Label> midiInputsLabel, midiOutputLabel;
    std::unique_ptr<TextButton> bluetoothButton;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AudioDeviceSelectorComponent)
};

} // namespace juce