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

    This file contains the basic framework code for a JUCE plugin processor.

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

#include "PluginProcessor.h"
#include "PluginEditor.h"

#include <iostream>

//==============================================================================
CustomDrumsAudioProcessor::CustomDrumsAudioProcessor()
    : AudioProcessor(BusesProperties()
        .withOutput("Output", juce::AudioChannelSet::stereo(), true)
    )
{
}

CustomDrumsAudioProcessor::~CustomDrumsAudioProcessor()
{
}

//==============================================================================
const juce::String CustomDrumsAudioProcessor::getName() const
{
    return JucePlugin_Name;
}

bool CustomDrumsAudioProcessor::acceptsMidi() const
{
    return true;
}

bool CustomDrumsAudioProcessor::producesMidi() const
{
    return true;
}

bool CustomDrumsAudioProcessor::isMidiEffect() const
{
    return true;
}

double CustomDrumsAudioProcessor::getTailLengthSeconds() const
{
    return 0.0;
}

int CustomDrumsAudioProcessor::getNumPrograms()
{
    return 1;   // NB: some hosts don't cope very well if you tell them there are 0 programs,
                // so this should be at least 1, even if you're not really implementing programs.
}

int CustomDrumsAudioProcessor::getCurrentProgram()
{
    return 0;
}

void CustomDrumsAudioProcessor::setCurrentProgram(int index)
{
}

const juce::String CustomDrumsAudioProcessor::getProgramName(int index)
{
    return {};
}

void CustomDrumsAudioProcessor::changeProgramName(int index, const juce::String& newName)
{
}

//==============================================================================
void CustomDrumsAudioProcessor::prepareToPlay(double sampleRate, int samplesPerBlock)
{
    // Use this method as the place to do any pre-playback
    // initialisation that you need..
}

void CustomDrumsAudioProcessor::releaseResources()
{
    // When playback stops, you can use this as an opportunity to free up any
    // spare memory, etc.
}

bool CustomDrumsAudioProcessor::isBusesLayoutSupported(const BusesLayout& layouts) const
{
    juce::ignoreUnused(layouts);
    return true;
}

void CustomDrumsAudioProcessor::processBlock(juce::AudioBuffer<float>& buffer, juce::MidiBuffer& midiMessages)
{
    juce::ScopedNoDenormals noDenormals;
    auto totalNumInputChannels = getTotalNumInputChannels();
    auto totalNumOutputChannels = getTotalNumOutputChannels();

    buffer.clear();

    juce::MidiBuffer processedMidi;

    for (const auto metadata : midiMessages)
    {
        auto message = metadata.getMessage();
        const auto time = metadata.samplePosition;

        if (message.isNoteOn())
        {
            
            const int firstNote = 24;

            std::cout << "Processed Input ! " << message.getChannel() << " " << abs(message.getNoteNumber() - 24) << std::endl;
        }

        processedMidi.addEvent(message, time);
    }

    midiMessages.swapWith(processedMidi);
}

//==============================================================================
bool CustomDrumsAudioProcessor::hasEditor() const
{
    return true; // (change this to false if you choose to not supply an editor)
}

juce::AudioProcessorEditor* CustomDrumsAudioProcessor::createEditor()
{
    return new CustomDrumsAudioProcessorEditor(*this);
}

//==============================================================================
void CustomDrumsAudioProcessor::getStateInformation(juce::MemoryBlock& destData)
{
    // You should use this method to store your parameters in the memory block.
    // You could do that either as raw data, or use the XML or ValueTree classes
    // as intermediaries to make it easy to save and load complex data.
}

void CustomDrumsAudioProcessor::setStateInformation(const void* data, int sizeInBytes)
{
    // You should use this method to restore your parameters from this memory block,
    // whose contents will have been created by the getStateInformation() call.
}

//==============================================================================
// This creates new instances of the plugin..
juce::AudioProcessor* JUCE_CALLTYPE createPluginFilter()
{
    return new CustomDrumsAudioProcessor();
}