#pragma once

#include <JuceHeader.h>
#include "EqualizerDSP.h"

namespace gelyk
{

class GelykEQAudioProcessor final : public juce::AudioProcessor
{
public:
    GelykEQAudioProcessor();
    ~GelykEQAudioProcessor() override = default;

    void prepareToPlay(double sampleRate, int samplesPerBlock) override;
    void releaseResources() override;
    void processBlock(juce::AudioBuffer<float>&, juce::MidiBuffer&) override;

    juce::AudioProcessorEditor* createEditor() override;
    bool hasEditor() const override { return true; }

    const juce::String getName() const override { return "Gelyk EQ"; }
    bool acceptsMidi() const override { return false; }
    bool producesMidi() const override { return false; }
    double getTailLengthSeconds() const override { return 0.0; }

    int getNumPrograms() override { return 1; }
    int getCurrentProgram() override { return 0; }
    void setCurrentProgram(int) override {}
    const juce::String getProgramName(int) override { return {}; }
    void changeProgramName(int, const juce::String&) override {}

    void getStateInformation(juce::MemoryBlock&) override;
    void setStateInformation(const void*, int) override;

    juce::AudioProcessorValueTreeState& getAPVTS() { return apvts; }

    // Exposed for the editor / analyser.
    SpectrumAnalyser& getAnalyser() { return analyser; }

    // Returns human-readable Git build info.
    const juce::String& getGitInfo() const { return gitInfo; }

private:
    juce::AudioProcessorValueTreeState apvts;

    static constexpr int numBands = 5;
    FilterBand bands[numBands];
    double currentSampleRate = 44100.0;

    SpectrumAnalyser analyser;

    juce::String buildVersion;
    juce::String gitInfo;

    void rebuildCoefficients();
};

} // namespace gelyk