#pragma once

#include <JuceHeader.h>
#include "PluginProcessor.h"
#include "GUI/SerumLookAndFeel.h"
#include "GUI/Knob.h"
#include "GUI/Slider.h"
#include "GUI/ToggleButton.h"
#include "GUI/Display.h"
#include "GUI/Panel.h"
#include "GUI/WaveformDisplay.h"
#include "GUI/FilterDisplay.h"
#include "GUI/EnvelopeDisplay.h"
#include "GUI/LFODisplay.h"

namespace serum
{

// ===========================================================================
// SerumAlt editor: dark vector GUI with a tabbed layout, real-time
// visualisations, RAVE, macro controls and preset-scale (75%..200%) scaling.
// ===========================================================================
class PluginEditor : public juce::AudioProcessorEditor,
                     public juce::Timer
{
public:
    explicit PluginEditor (SerumAltAudioProcessor& p);
    ~PluginEditor() override;

    void paint (juce::Graphics&) override;
    void resized() override;
    void timerCallback() override;
    bool keyPressed (const juce::KeyPress& key) override;

    void setTab (int index);

private:
    SerumAltAudioProcessor& processor;
    SerumLookAndFeel laf;

    static constexpr int kBaseW = 1120;
    static constexpr int kBaseH = 740;

    juce::Component root;

    // --- tooltips ---
    juce::TooltipWindow tooltipWindow;

    // --- top bar ---
    std::unique_ptr<juce::Drawable> logo;
    juce::ComboBox presetCombo;
    juce::ComboBox scaleCombo;
    ToggleButton  raveButton;
    Knob          masterKnob;
    Display       masterDisplay;

    // --- tabs ---
    juce::TextButton tabOsc, tabFilter, tabMod, tabFx, tabMacro;
    juce::Component oscView, filterView, modView, fxView, macroView;
    int currentTab = 0;

    // --- OSC ---
    Panel oscAPanel { "Oscillator A" }, oscBPanel { "Oscillator B" };
    Panel subPanel { "Sub" }, noisePanel { "Noise" };
    WaveformDisplay oscAWave, oscBWave;
    std::vector<juce::Component*> oscAComponents, oscBComponents;

    // --- FILTER ---
    Panel filter1Panel { "Filter 1" }, filter2Panel { "Filter 2" }, routingPanel { "Routing" };
    FilterDisplay filter1Display, filter2Display;

    // --- MOD ---
    std::array<Panel, kNumEnvelopes> envPanels { { Panel ("Env 1 (Amp)"), Panel ("Env 2 (Filter)"),
                                                   Panel ("Env 3"), Panel ("Env 4") } };
    std::array<EnvelopeDisplay, kNumEnvelopes> envDisplays;
    std::array<Panel, kNumLfos> lfoPanels { { Panel ("LFO 1"), Panel ("LFO 2"), Panel ("LFO 3"), Panel ("LFO 4") } };
    std::array<LFODisplay, kNumLfos> lfoDisplays;

    Panel matrixPanel { "Modulation Matrix" };
    juce::ComboBox modSourceCombo, modTargetCombo;
    Knob modDepthKnob { "Depth" };
    ToggleButton modBipolarToggle;
    juce::TextButton modAddButton, modRemoveButton, modClearButton;
    juce::TextEditor modList;

    // --- FX ---
    std::array<Panel, kNumFxSlots> fxPanels;
    std::array<juce::ComboBox*, kNumFxSlots> fxTypeCombos;
    std::array<std::vector<Knob*>, kNumFxSlots> fxKnobs;
    std::array<juce::TextButton*, kNumFxSlots> fxUp, fxDown;

    // --- MACRO ---
    std::array<Panel, kNumMacros> macroPanels;
    std::array<Knob*, kNumMacros> macroKnobs;
    Panel macroAssignPanel { "Macro Assignments" };
    juce::ComboBox macroAssignTarget;
    juce::ComboBox macroAssignIndex;
    Knob macroDepthKnob { "Depth" };
    juce::TextButton macroAssignButton, macroClearButton;
    juce::TextEditor macroList;

    // --- attachments ---
    std::vector<std::unique_ptr<juce::AudioProcessorValueTreeState::SliderAttachment>> sliderAttachments;
    std::vector<std::unique_ptr<juce::AudioProcessorValueTreeState::ComboBoxAttachment>> comboAttachments;

    int currentScaleIndex = -1;

    // --- helpers ---
    Knob* makeKnob (juce::Component* parent, const juce::String& name, const juce::String& paramId,
                    std::function<juce::String (float)> fmt = {}, const juce::String& tooltip = {});
    juce::ComboBox* makeCombo (juce::Component* parent, const juce::String& paramId, const juce::StringArray& items,
                               const juce::String& tooltip = {});
    ToggleButton* makeToggle (juce::Component* parent, const juce::String& label, const juce::String& paramId,
                              const juce::String& tooltip = {});
    void cycleTab (int delta);

    void buildTopBar();
    void buildOscTab();
    void buildFilterTab();
    void buildModTab();
    void buildFxTab();
    void buildMacroTab();
    void swapFxSlots (int a, int b);
    void applyUiScale();
    void updateVisuals();
    void updateModList();
    void updateMacroList();

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PluginEditor)
};

} // namespace serum