#pragma once

#include <JuceHeader.h>

#include "Constants.h"

typedef juce::AudioProcessorValueTreeState::ParameterLayout ParameterLayout;

typedef juce::dsp::IIR::Filter<float> Filter;

typedef juce::dsp::IIR::Coefficients<float> Coefficients;

//==============================================================================

class AmpDriverAudioProcessor : public juce::AudioProcessor,

public juce::AudioProcessorValueTreeState::Listener,

public juce::ChangeBroadcaster

#if JucePlugin_Enable_ARA

, public juce::AudioProcessorARAExtension

#endif

{

public:

//==============================================================================

AmpDriverAudioProcessor();

~AmpDriverAudioProcessor() override;

//==============================================================================

void prepareToPlay (double sampleRate, int samplesPerBlock) override;

void releaseResources() override;

#ifndef JucePlugin_PreferredChannelConfigurations

bool isBusesLayoutSupported (const BusesLayout& layouts) const override;

#endif

void processBlock (juce::AudioBuffer<float>&, juce::MidiBuffer&) override;

//==============================================================================

juce::AudioProcessorEditor* createEditor() override;

bool hasEditor() const override;

//==============================================================================

const juce::String getName() const override;

bool acceptsMidi() const override;

bool producesMidi() const override;

bool isMidiEffect() const override;

double getTailLengthSeconds() const override;

//==============================================================================

int getNumPrograms() override;

int getCurrentProgram() override;

void setCurrentProgram (int index) override;

const juce::String getProgramName (int index) override;

void changeProgramName (int index, const juce::String& newName) override;

//==============================================================================

void getStateInformation (juce::MemoryBlock& destData) override;

void setStateInformation (const void* data, int sizeInBytes) override;

//==============================================================================

juce::AudioProcessorValueTreeState apvts;

private:

//==============================================================================

ParameterLayout createParameterLayout();

void parameterChanged(const juce::String& parameterID, float newValue) override;

float saturateSample(int channel, float sample, float gain);

inline float dBtoRatio(float dB)

{

return pow(10, dB / 20);

}

inline float calcBandpassQ(float gain)

{

return ((gain / Q_CONSTANT) + 0.01);

}

//==============================================================================

float level, drive;

int numChannels;

double sampleRate;

std::vector<std::unique_ptr<Filter>> lowPassFilters, highPassFilters, bandpassFilters;

//==============================================================================

JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AmpDriverAudioProcessor)

};