#pragma once

#include <JuceHeader.h>
#include "PluginProcessor.h"
#include "PresetManager.h"
#include "GUI/AmbivalenceUI.h"
#include "GUI/DecayCurveViz.h"

// -----------------------------------------------------------------------------
//  EditorContent
// -----------------------------------------------------------------------------
// Holds every UI element of the editor and is the only component that gets a
// zoom transform applied. The top-level AudioProcessorEditor stays
// untransformed and is sized to exactly fit the transformed content, so the
// host always sees a window that matches what the plugin draws (no double
// scaling, no clipped / blank margins at any zoom level).
// -----------------------------------------------------------------------------
class EditorContent : public juce::Component
{
public:
    explicit EditorContent(FDNReverbAudioProcessor& p, AmbivalenceLookAndFeel& laf);

    void paint(juce::Graphics&) override;
    void resized() override;

    void setProMode(bool pro);

     // --- zoom ---
    static constexpr float kDefaultZoom = 1.5f;
    float currentZoom{ kDefaultZoom };
    float uiScale{ 1.0f };   // derived from getWidth()/W, applied to every child bounds
    std::function<void(float)> onZoomChange;
    AmbivalenceLookAndFeel* lookAndFeel{ nullptr };

     // --- common ---
    DecayCurveViz     decayCurveViz;
    VUMeter           vuIn, vuOut;
    juce::Label       titleLabel;

    juce::Label labelMetricsTitle;
    juce::Label labelD50Caption, labelD50Value;
    juce::Label labelC50Caption, labelC50Value;
    juce::Label labelC80Caption, labelC80Value;
    juce::Label labelEDTCaption, labelEDTValue;

    juce::Label statusLabel;

    juce::TextButton zoomButton;
    juce::TextButton proModeButton;
    juce::TextButton erSoloButton;
    std::unique_ptr<juce::AudioProcessorValueTreeState::ButtonAttachment> proModeAttachment;
    std::unique_ptr<juce::AudioProcessorValueTreeState::ButtonAttachment> erSoloAttachment;

    bool proMode{ false };

     // --- Normal Mode ---
    ArcKnob kPreDelay, kRoomSize, kDecay;
    ArcKnob kHFDamp, kLFAbsorb;
    ArcKnob kDiffusion, kModAmt, kModRate;
    ArcKnob kStereoW;
    ArcKnob kERLevel, kSaturation;
    ArcKnob kWet, kDry;
    ArcKnob kDuckAmt, kDuckThr, kDuckAtt, kDuckRel;
    ArcKnob kLoCutNorm, kHiCutNorm;

     // --- ProMode panel ---
    std::array<ArcKnob, 10> kRTBands;
    juce::Label    satTypeLabel;
    juce::ComboBox satTypeCombo;
    std::unique_ptr<juce::AudioProcessorValueTreeState::ComboBoxAttachment> satTypeAttachment;
    ArcKnob kTiltLow, kTiltMid, kTiltHigh;
    ArcKnob kLoCutPro, kHiCutPro;

     // --- preset UI ---
    juce::TextButton presetPrevButton;
    juce::ComboBox   presetCombo;
    juce::TextButton presetNextButton;
    juce::TextButton presetSaveButton;
    juce::TextButton presetLoadButton;
    juce::TextButton presetDeleteButton;

     // --- layout constants ---
    static constexpr int W = 900;
    static constexpr int H = 450;
    static constexpr int PAD = 8;
    static constexpr int KNOB_W = 64;
    static constexpr int KNOB_H = 72;
    static constexpr int KNOB_LBL_H = 14;
    static constexpr int UNIT_H = 88;
    static constexpr int ROW1_GAP = 18;
    static constexpr int STATUS_H = 16;

     // Fixed X of the preset panel
     // DUCKING end (616) + gap(16) = 632
    static constexpr int PRESET_PANEL_X = 632;

    void updatePanelVisibility();
    void showZoomMenu();
    void setZoomLevel(float scale);

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(EditorContent)
};

// -----------------------------------------------------------------------------
//  Editor
// -----------------------------------------------------------------------------
class FDNReverbEditor : public juce::AudioProcessorEditor,
    private juce::Timer
{
public:
    explicit FDNReverbEditor(FDNReverbAudioProcessor&);
    ~FDNReverbEditor() override;

    void paint(juce::Graphics&) override;
    void resized() override;

private:
    void timerCallback() override;

     // --- Preset UI helpers ---
    void refreshPresetCombo();
    void savePresetWithDialog();
    void deleteCurrentPreset();

    FDNReverbAudioProcessor& audioProcessor;
    AmbivalenceLookAndFeel laf;
    std::unique_ptr<EditorContent> content;
    std::unique_ptr<PresetManager> presetManager;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FDNReverbEditor)
};