#ifndef AXIOMDESIGNSYSTEM_H
#define AXIOMDESIGNSYSTEM_H

#pragma once
#include "JuceLibraryCode/BinaryData.h"

namespace AXIOM {
    class DesignSystem : public juce::LookAndFeel_V4 {
    public:
    DesignSystem();
    ~DesignSystem() override = default;

    struct Colours {
        //=====================BASE-COLORS========================//
        static inline const juce::Colour ACCENTCOLOUR       = juce::Colour::fromRGB(86, 254, 255);   // #56FEFF
        static inline const juce::Colour BACKGROUNDCOLOUR   = juce::Colour::fromRGB(51,  51,  51);   // #333333
        static inline const juce::Colour FOREGROUNDCOLOUR   = juce::Colour::fromRGB(252, 250, 249);  // #FCFAF9
        static inline const juce::Colour SURFACECOLOUR      = juce::Colour::fromRGB(31,  31,  31);   // #1F1F1F
        static inline const juce::Colour MUTEDTEXTCOLOUR    = juce::Colour::fromRGB(207, 207, 207);  // #CFCFCF
        static inline const juce::Colour ACCENTWEAKCOLOUR   = juce::Colour::fromRGB(61, 183, 183);   // #3DB7B7
        //=====================HOVER-COLORS========================//
        static inline const juce::Colour ACCENTHOVER        = juce::Colour::fromRGB(110, 255, 255);  // #6EFFFF
        static inline const juce::Colour BACKGROUNDHOVER    = juce::Colour::fromRGB(66,  66,  66);   // #424242
        static inline const juce::Colour FOREGROUNDHOVER    = juce::Colour::fromRGB(255, 255, 255);  // #FFFFFF
        static inline const juce::Colour SURFACEHOVER       = juce::Colour::fromRGB(42,  42,  42);   // #2A2A2A
        static inline const juce::Colour MUTEDTEXTHOVER     = juce::Colour::fromRGB(230, 230, 230);  // #E6E6E6
        static inline const juce::Colour ACCENTWEAKHOVER    = juce::Colour::fromRGB(82, 210, 210);   // #52D2D2
    };

    struct Typography {
        inline static juce::Typeface::Ptr orbitronFont =
            juce::Typeface::createSystemTypefaceFor(
                BinaryData::OrbitronRegular_ttf,
                BinaryData::OrbitronRegular_ttfSize);
        inline static juce::Typeface::Ptr horizonFont =
            juce::Typeface::createSystemTypefaceFor(
                BinaryData::horizon_otf,
                BinaryData::horizon_otfSize);
        inline static juce::Typeface::Ptr jetBrainsMonoFont =
            juce::Typeface::createSystemTypefaceFor(
                BinaryData::JetBrainsMonoRegular_ttf,
                BinaryData::JetBrainsMonoRegular_ttfSize);


        //TODO: NOT NEEDED, REPLACE WITH EMBEDDED FONTS
        inline static const juce::String primaryFamily { "Orbitron Bold" };
        inline static const juce::String displayFamily { "Horizon" };
        inline static const juce::String monoFamily    { "JetBrains Mono" };

        struct Scale {
            float basePx  = 14.0f;
            float ratio   = 1.125f;

            float sizeFor (int step) const noexcept
            {
                // step = 0 => basePx, step = 1 => base*ratio, step = -1 => base/ratio, ...
                return basePx * std::pow (ratio, static_cast<float>(step));
            }
        };
        inline static Scale scale {};

        enum class Style
        {
            Display,
            H1, H2, H3,
            Subtitle,
            Body,
            Small,
            Caption,
            Button,
            Mono,
            Overline
        };

        struct TextToken
        {
            juce::String family;
            int          stepFromBase;
            bool         bold       = false;
            bool         italic     = false;
            bool         uppercase  = false;
            float        letterSpacing = 0.0f;
            float        lineHeight   = 1.25f;
            bool         useMonospace = false;
        };

        static TextToken getToken (Style style) noexcept
        {
            switch (style)
            {
                case Style::Display:  return { displayFamily,  5,  true,  false, false,  0.0f, 1.15f, false };
                case Style::H1:       return { primaryFamily,  4,  true,  false, false,  0.0f, 1.15f, false };
                case Style::H2:       return { primaryFamily,  3,  true,  false, false,  0.0f, 1.20f, false };
                case Style::H3:       return { primaryFamily,  2,  false, false, false,  0.0f, 1.20f, false };
                case Style::Subtitle: return { primaryFamily,  1,  false, false, false,  0.01f,1.25f, false };
                case Style::Body:     return { primaryFamily,  0,  false, false, false,  0.0f, 1.35f, false };
                case Style::Small:    return { primaryFamily, -1,  false, false, false,  0.0f, 1.35f, false };
                case Style::Caption:  return { primaryFamily, -2,  false, false, false,  0.02f,1.40f, false };
                case Style::Button:   return { primaryFamily,  0,  true,  false, false,  0.02f,1.10f, false };
                case Style::Mono:     return { monoFamily,     -1, false, false, false,  0.0f, 1.30f, true  };
                case Style::Overline: return { primaryFamily, -3,  true,  false, true,   0.06f,1.20f, false };
            }
            return { primaryFamily, 0, false, false, false, 0.0f, 1.3f, false };
        }

        static juce::Font getFont (Style style, float uiScale = 1.0f)
        {
            const auto t   = getToken (style);
            const auto fam = t.family;
            auto height    = scale.sizeFor (t.stepFromBase) * uiScale;



            juce::Font f { fam, height, juce::Font::plain };

            if (fam == displayFamily && horizonFont != nullptr) {
                    f = juce::Font(horizonFont).withHeight(height);
            } else if (fam == primaryFamily && orbitronFont != nullptr) {
                f = juce::Font(orbitronFont).withHeight(height);
            }else if (fam == monoFamily && jetBrainsMonoFont != nullptr) {
                f = juce::Font(jetBrainsMonoFont).withHeight(height);
            }
            else
                    f.setTypefaceName(fam);

            f.setBold      (t.bold);
            f.setItalic    (t.italic);
            f.setExtraKerningFactor (t.letterSpacing);

            return f;
        }

        static void applyToLabel (juce::Label& label, Style style, float uiScale = 1.0f)
        {
            label.setFont (getFont (style, uiScale));

            if (getToken(style).uppercase)
                label.setText (label.getText().toUpperCase(), juce::NotificationType::dontSendNotification);

            label.setMinimumHorizontalScale (1.0f);
        }

        static juce::TextLayout createTextLayout (juce::String text,
                                              juce::Rectangle<float> bounds,
                                              Style style,
                                              juce::Colour colour,
                                              float uiScale = 1.0f,
                                              juce::Justification just = juce::Justification::topLeft)
        {
            const auto token = getToken (style);
            const auto font  = getFont (style, uiScale);

            juce::AttributedString as;
            as.setJustification (just);

            if (token.uppercase)
                text = text.toUpperCase();

            as.append (text, font, colour);

            juce::TextLayout tl;
            tl.createLayout (as, bounds.getWidth());
            return tl;
        }

    };

    struct Spacing {};

    struct Shape {};

    struct Shadows {};

    struct Opacity {};

    struct Motion {};

    struct Components {
        struct ButtonStyles {};

        struct SliderStyles {};

        struct LabelStyles {};

        struct TextInputStyles {};

        struct ComboBoxStyles {};
    };

    struct Assets {};

    struct Layout {};



    private:
};
}


#endif //AXIOMDESIGNSYSTEM_H