#include "EffectsPanel.h"

EffectsPanel::EffectsPanel()
{
    titleLabel.setText ("FILTER / REVERB", juce::dontSendNotification);
    titleLabel.setJustificationType (juce::Justification::centredLeft);
    titleLabel.setColour (juce::Label::textColourId, InstaGrainLookAndFeel::textPrimary);
    addAndMakeVisible (titleLabel);

    filterTypeBox.addItem ("LP", 1);
    filterTypeBox.addItem ("HP", 2);
    filterTypeBox.addItem ("BP", 3);
    filterTypeBox.setSelectedId (1);
    addAndMakeVisible (filterTypeBox);

    filterLabel.setText ("Type", juce::dontSendNotification);
    filterLabel.setJustificationType (juce::Justification::centred);
    filterLabel.setColour (juce::Label::textColourId, InstaGrainLookAndFeel::textSecondary);
    addAndMakeVisible (filterLabel);

    auto setupKnob = [this] (juce::Slider& knob, juce::Label& label, const juce::String& name,
                              double min, double max, double def, const juce::String& type,
                              const juce::String& suffix = "")
    {
        knob.setSliderStyle (juce::Slider::RotaryHorizontalVerticalDrag);
        knob.setTextBoxStyle (juce::Slider::TextBoxBelow, false, 55, 14);
        knob.setRange (min, max);
        knob.setValue (def);
        knob.setTextValueSuffix (suffix);
        knob.getProperties().set (InstaGrainLookAndFeel::knobTypeProperty, type);
        addAndMakeVisible (knob);

        label.setText (name, juce::dontSendNotification);
        label.setJustificationType (juce::Justification::centred);
        label.setColour (juce::Label::textColourId, InstaGrainLookAndFeel::textSecondary);
        addAndMakeVisible (label);
    };

    setupKnob (cutoffKnob, cutoffLabel, "Cutoff", 20.0, 20000.0, 20000.0, "orange", " Hz");
    cutoffKnob.setSkewFactorFromMidPoint (1000.0);

    setupKnob (resoKnob, resoLabel, "Reso", 0.1, 10.0, 0.707, "dark");
    resoKnob.setSkewFactorFromMidPoint (1.5);

    setupKnob (reverbSizeKnob, revSizeLabel, "Rev Size", 0.0, 1.0, 0.0, "dark");
    setupKnob (reverbDecayKnob, revDecayLabel, "Rev Decay", 0.0, 1.0, 0.0, "dark");
}

void EffectsPanel::resized()
{
    auto bounds = getLocalBounds().reduced (4);
    titleLabel.setBounds (bounds.removeFromTop (20));

    int colW = bounds.getWidth() / 5;

    // Filter type combo
    auto typeCol = bounds.removeFromLeft (colW);
    filterLabel.setBounds (typeCol.removeFromTop (14));
    filterTypeBox.setBounds (typeCol.reduced (4, 2).removeFromTop (24));

    // Cutoff
    auto cutCol = bounds.removeFromLeft (colW);
    auto cutKnobArea = cutCol.withTrimmedBottom (16);
    cutoffKnob.setBounds (cutKnobArea.reduced (2));
    cutoffLabel.setBounds (cutCol.getX(), cutKnobArea.getBottom() - 2, cutCol.getWidth(), 16);

    // Reso
    auto resCol = bounds.removeFromLeft (colW);
    auto resKnobArea = resCol.withTrimmedBottom (16);
    resoKnob.setBounds (resKnobArea.reduced (2));
    resoLabel.setBounds (resCol.getX(), resKnobArea.getBottom() - 2, resCol.getWidth(), 16);

    // Reverb Size
    auto rsCol = bounds.removeFromLeft (colW);
    auto rsKnobArea = rsCol.withTrimmedBottom (16);
    reverbSizeKnob.setBounds (rsKnobArea.reduced (2));
    revSizeLabel.setBounds (rsCol.getX(), rsKnobArea.getBottom() - 2, rsCol.getWidth(), 16);

    // Reverb Decay
    auto rdCol = bounds;
    auto rdKnobArea = rdCol.withTrimmedBottom (16);
    reverbDecayKnob.setBounds (rdKnobArea.reduced (2));
    revDecayLabel.setBounds (rdCol.getX(), rdKnobArea.getBottom() - 2, rdCol.getWidth(), 16);
}

void EffectsPanel::paint (juce::Graphics& g)
{
    auto bounds = getLocalBounds().toFloat();
    g.setColour (InstaGrainLookAndFeel::bgMedium.withAlpha (0.5f));
    g.fillRoundedRectangle (bounds, 4.0f);
    g.setColour (InstaGrainLookAndFeel::bgLight.withAlpha (0.3f));
    g.drawRoundedRectangle (bounds, 4.0f, 1.0f);
}