#include "PluginEditor.h"

TerionProcessorEditor::TerionProcessorEditor(TerionProcessor& p)
    : AudioProcessorEditor(p),
      processorRef(p),
      scope(p),
      fadeKnob(*p.apvts.getParameter("fadeTime")),
      sensitivityKnob(*p.apvts.getParameter("sensitivity")),
      dotSizeKnob(*p.apvts.getParameter("dotSize")),
      smoothingKnob(*p.apvts.getParameter("smoothing"))
{
    setSize(kBaseWidth, kBaseHeight);
    setResizable(true, true);
    setResizeLimits(kBaseWidth, kBaseHeight, 1200, 1200);

    addAndMakeVisible(scope);

    // Fade knob
    addAndMakeVisible(fadeKnob);
    fadeKnob.setRange(0.1, 10.0);
    fadeAttachment = std::make_unique<juce::AudioProcessorValueTreeState::SliderAttachment>(
        processorRef.apvts, "fadeTime", fadeKnob);

    // Sensitivity knob
    addAndMakeVisible(sensitivityKnob);
    sensitivityKnob.setRange(-12.0, 24.0);
    sensitivityAttachment = std::make_unique<juce::AudioProcessorValueTreeState::SliderAttachment>(
        processorRef.apvts, "sensitivity", sensitivityKnob);

    // Dot size knob
    addAndMakeVisible(dotSizeKnob);
    dotSizeKnob.setRange(0.5, 3.0);
    dotSizeAttachment = std::make_unique<juce::AudioProcessorValueTreeState::SliderAttachment>(
        processorRef.apvts, "dotSize", dotSizeKnob);

    // Smoothing knob
    addAndMakeVisible(smoothingKnob);
    smoothingKnob.setRange(0.0, 0.99);
    smoothingAttachment = std::make_unique<juce::AudioProcessorValueTreeState::SliderAttachment>(
        processorRef.apvts, "smoothing", smoothingKnob);

    // Freeze button
    addAndMakeVisible(freezeButton);
    freezeButton.setButtonText("FRZ");
    freezeButton.setColour(juce::ToggleButton::textColourId, juce::Colour(0xff888899));
    freezeButton.setColour(juce::ToggleButton::tickColourId, juce::Colour(0xff7ecfcf));
    freezeAttachment = std::make_unique<juce::AudioProcessorValueTreeState::ButtonAttachment>(
        processorRef.apvts, "freeze", freezeButton);

    // Scale dropdown
    addAndMakeVisible(scaleBox);
    scaleBox.addItem("100%", 1);
    scaleBox.addItem("125%", 2);
    scaleBox.addItem("150%", 3);
    scaleBox.addItem("200%", 4);
    scaleBox.addItem("300%", 5);
    scaleBox.setSelectedId(2, juce::dontSendNotification);
    scaleBox.onChange = [this] { scaleChanged(); };
    scaleChanged();

    // Knob labels (separate from knobs to ensure correct z-order)
    auto setupLabel = [this](juce::Label& label, const juce::String& text)
    {
        addAndMakeVisible(label);
        label.setText(text, juce::dontSendNotification);
        label.setJustificationType(juce::Justification::centredTop);
        label.setFont(juce::Font(juce::FontOptions(9.0f)));
        label.setColour(juce::Label::textColourId, juce::Colour(0xff888899));
        label.setInterceptsMouseClicks(false, false);
    };
    setupLabel(fadeLabel, fadeKnob.getParameterName());
    setupLabel(sensitivityLabel, sensitivityKnob.getParameterName());
    setupLabel(dotSizeLabel, dotSizeKnob.getParameterName());
    setupLabel(smoothingLabel, smoothingKnob.getParameterName());
}

TerionProcessorEditor::~TerionProcessorEditor() {}

void TerionProcessorEditor::scaleChanged()
{
    int id = scaleBox.getSelectedId();
    switch (id)
    {
        case 1: currentScale = 1.0f; break;
        case 2: currentScale = 1.25f; break;
        case 3: currentScale = 1.5f; break;
        case 4: currentScale = 2.0f; break;
        case 5: currentScale = 3.0f; break;
        default: currentScale = 1.25f; break;
    }

    setTransform(juce::AffineTransform::scale(currentScale));
    setSize(static_cast<int>(kBaseWidth * currentScale),
            static_cast<int>(kBaseHeight * currentScale));
}

void TerionProcessorEditor::paint(juce::Graphics& g)
{
    g.fillAll(juce::Colour(0xff0a0a0f));

    // Footer
    auto bounds = getLocalBounds();
    auto footer = bounds.removeFromBottom(kFooterHeight);

    g.setColour(juce::Colour(0xff15151e));
    g.fillRect(footer);

    g.setColour(juce::Colour(0xff555566));
    g.setFont(9.0f);

    juce::String footerText = "Terion  "
        + juce::String(TERION_GIT_HASH)
        + "  |  " + juce::String(TERION_BUILD_TIME)
        + "  |  " + juce::String(TERION_GIT_LOCAL_COMMITS) + " local";

    g.drawFittedText(footerText, footer.reduced(10, 0),
                     juce::Justification::centredLeft, 1);
}

void TerionProcessorEditor::resized()
{
    auto bounds = getLocalBounds();
    auto footer = bounds.removeFromBottom(kFooterHeight);

    // Footer: scale dropdown on the right
    scaleBox.setBounds(footer.getWidth() - 60, 1, 56, kFooterHeight - 2);

    // Scope fills the remaining area
    scope.setBounds(bounds);

    // Controls layout: top-right corner, horizontal row
    const int startX = bounds.getWidth() - (4 * (kKnobSize + kKnobMargin) + kKnobSize + kKnobMargin);
    const int startY = 10;

    fadeKnob.setBounds(startX, startY, kKnobSize, kKnobSize);
    sensitivityKnob.setBounds(startX + (kKnobSize + kKnobMargin), startY, kKnobSize, kKnobSize);
    dotSizeKnob.setBounds(startX + 2 * (kKnobSize + kKnobMargin), startY, kKnobSize, kKnobSize);
    smoothingKnob.setBounds(startX + 3 * (kKnobSize + kKnobMargin), startY, kKnobSize, kKnobSize);
    freezeButton.setBounds(startX + 4 * (kKnobSize + kKnobMargin), startY + 10, kKnobSize, kKnobSize - 20);

    const int labelY = startY + kKnobSize - 6;
    fadeLabel.setBounds(fadeKnob.getX(), labelY, kKnobSize, 12);
    sensitivityLabel.setBounds(sensitivityKnob.getX(), labelY, kKnobSize, 12);
    dotSizeLabel.setBounds(dotSizeKnob.getX(), labelY, kKnobSize, 12);
    smoothingLabel.setBounds(smoothingKnob.getX(), labelY, kKnobSize, 12);
}