looper/backends/ui/imgui/theme.cpp

#include "theme.h"
#include "imgui.h"
#include "json/value.h"
#include "thirdparty/toml.hpp"
#include <translation.hpp>
#include <cmath>
#include <exception>
#include <iostream>
#include <fstream>
#include <filesystem>
#include <functional>
#include "IconsForkAwesome.h"
#include "imgui_stdlib.h"
#include <log.hpp>
#include <util.hpp>
#include <web_functions.hpp>

using namespace std::filesystem;
const char* Theme::prefPath = NULL;
path Theme::themeDir = path();
std::set<path> Theme::availableThemes = std::set<path>();
std::map<path, ThemeStrings> Theme::themeStrings = std::map<path, ThemeStrings>();

ImVec4 change_accent_color(ImVec4 in, float hue) {
    if (in.x == in.y && in.y == in.z) {
        return in;
    }
    ImVec4 hsv = in;
    ImVec4 out = in;
    ImGui::ColorConvertRGBtoHSV(in.x, in.y, in.z, hsv.x, hsv.y, hsv.z);
    hsv.x = hue / 360.0f;
    ImGui::ColorConvertHSVtoRGB(hsv.x, hsv.y, hsv.z, out.x, out.y, out.z);
    return out;
}
bool Theme::ShowEditor(bool* open, Theme* &theme, ImGuiID dockid, int window_width, int window_height) {
    static FileBrowser importDialog(false, ImGuiFileBrowserFlags_NoTitleBar|ImGuiFileBrowserFlags_NoMove|ImGuiFileBrowserFlags_NoResize);
    static FileBrowser exportDialog(true, ImGuiFileBrowserFlags_NoTitleBar|ImGuiFileBrowserFlags_NoMove|ImGuiFileBrowserFlags_NoResize);
    static bool loadOpen = false;
    static bool saveAsOpen = false;
    ImGui::SetNextWindowDockID(dockid);
    ImGui::Begin(_TRI_CTX(ICON_FK_MAGIC, "Window title", "Theme Editor"), open);
    ImGuiStyle& style = theme->style;
    ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.50f);
    ImVec2 buttonSize = ImVec2((ImGui::GetWindowWidth() * 0.50f) - (ImGui::GetStyle().WindowPadding.x) - (ImGui::GetStyle().ItemSpacing.x * 0.5f), 0);
    if (ImGui::Button(_TR_CTX("Theme Editor | preset button", "Create light"), buttonSize)) {
        delete theme;
        theme = new Theme(false);

        ImGui::PopItemWidth();
        ImGui::End();
        return true;
    }
    ImGui::SameLine();
    if (ImGui::Button(_TR_CTX("Theme Editor | preset button", "Create dark"), buttonSize)) {
        delete theme;
        theme = new Theme(true);

        ImGui::PopItemWidth();
        ImGui::End();
        return true;
    }
    if (ImGui::Button(_TR_CTX("Theme Editor | import button. Opens the theme import file dialog", "Import..."), buttonSize)) {
        importDialog.SetTitle(_TR_CTX("Theme Editor file dialog title", "Import theme..."));
        importDialog.SetTypeFilters(_TR_CTX("Theme Editor file dialog filter name", "Theme JSON files"), { ".toml"});
        std::string userdir = std::getenv(
        #ifdef _WIN32
        "UserProfile"
        #else
        "HOME"
        #endif
        );
        importDialog.SetPwd(userdir);
        importDialog.Open();
    }
    ImGui::SameLine();
    if (ImGui::Button(_TR_CTX("Theme Editor | export button. Opens the theme export file dialog", "Export..."), buttonSize)) {
        exportDialog.SetTitle(_TR_CTX("Theme Editor file dialog title", "Export theme..."));
        exportDialog.SetTypeFilters(_TR_CTX("Theme Editor file dialog filter name", "Theme JSON files"), { ".toml"});
        std::string userdir = std::getenv(
        #ifdef _WIN32
        "UserProfile"
        #else
        "HOME"
        #endif
        );
        exportDialog.SetPwd(userdir);
        exportDialog.Open();
    }
    if (importDialog.IsOpened()) {
        importDialog.SetWindowSize(window_width, window_height);
        importDialog.SetWindowPos(0, 0);
    }
    if (exportDialog.IsOpened()) {
        exportDialog.SetWindowSize(window_width, window_height);
        exportDialog.SetWindowPos(0, 0);
    }
    importDialog.Display();
    exportDialog.Display();
    if (!theme->file_path.empty()) {
        if (ImGui::Button(_TR_CTX("Theme Editor | button. Reverts to saved file.", "Revert"), buttonSize)) {
            string file_path_backup = theme->file_path;
            delete theme;
            theme = new Theme(file_path_backup);
            ImGui::PopItemWidth();
            ImGui::End();
            return true;
        }
        ImGui::SameLine();
        if (ImGui::Button(_TR_CTX("Theme Editor | button. Saves the theme to it's current location. Not shown when it doesn't already have one.", "Save"), buttonSize)) {
            theme->Save(theme->file_path);
        }
    }
    if (ImGui::Button(_TR_CTX("Theme Editor | button. Opens the theme loading dialog for themes created or imported by the user.", "Load..."), buttonSize)) {
        loadOpen = true;
    }
    ImGui::SameLine();
    if (ImGui::Button(_TR_CTX("Theme Editor | button. Opens the theme saving dialog for themes created or imported by the user.", "Save as..."), buttonSize)) {
        saveAsOpen = true;
    }

    // Simplified Settings (expose floating-pointer border sizes as boolean representing 0.0f or 1.0f)
    if (ImGui::SliderFloat(_TR_CTX("Theme Editor | slider. Simplified frame rounding.", "Frame Rounding"), &style.FrameRounding, 0.0f, 12.0f, "%.0f"))
        style.GrabRounding = style.FrameRounding; // Make GrabRounding always the same value as FrameRounding
    { bool border = (style.WindowBorderSize > 0.0f); if (ImGui::Checkbox(_TR_CTX("Theme Editor | checkbox", "Window Border"), &border)) { style.WindowBorderSize = border ? 1.0f : 0.0f; } }
    ImGui::SameLine();
    { bool border = (style.FrameBorderSize > 0.0f);  if (ImGui::Checkbox(_TR_CTX("Theme Editor | checkbox", "Frame Border"),  &border)) { style.FrameBorderSize  = border ? 1.0f : 0.0f; } }
    ImGui::SameLine();
    { bool border = (style.PopupBorderSize > 0.0f);  if (ImGui::Checkbox(_TR_CTX("Theme Editor | checkbox", "Popup Border"),  &border)) { style.PopupBorderSize  = border ? 1.0f : 0.0f; } }

    ImGui::Separator();

    if (ImGui::BeginTabBar("##tabs", ImGuiTabBarFlags_None))
    {
        if (ImGui::BeginTabItem(_TR_CTX("Theme Editor | Tab label", "Strings")))
        {
            ImGui::InputText(_TR_CTX("Theme Editor | Strings | Name input label", "Name"), &theme->strings["fallback"].name);
            ImGui::InputText(_TR_CTX("Theme Editor | Strings | Description input label", "Description"), &theme->strings["fallback"].description);

            ImGui::EndTabItem();
        }
        if (ImGui::BeginTabItem(_TR_CTX("Theme Editor | Tab label", "Sizes")))
        {
            ImGui::SeparatorText(_TR_CTX("Theme Editor | Sizes | Section label", "Sizing"));
            ImGui::SliderFloat2(_TR_CTX("Theme Editor | Sizes | Sizing | label of XY sliders", "Window Padding"), (float*)&style.WindowPadding, 0.0f, 20.0f, "%.0f");
            ImGui::SliderFloat2(_TR_CTX("Theme Editor | Sizes | Sizing | label of XY sliders", "Frame Padding"), (float*)&style.FramePadding, 0.0f, 20.0f, "%.0f");
            ImGui::SliderFloat2(_TR_CTX("Theme Editor | Sizes | Sizing | label of XY sliders", "Cell Padding"), (float*)&style.CellPadding, 0.0f, 20.0f, "%.0f");
            ImGui::SliderFloat2(_TR_CTX("Theme Editor | Sizes | Sizing | label of XY sliders", "Item Spacing"), (float*)&style.ItemSpacing, 0.0f, 20.0f, "%.0f");
            ImGui::SliderFloat2(_TR_CTX("Theme Editor | Sizes | Sizing | label of XY sliders", "Inner Item Spacing"), (float*)&style.ItemInnerSpacing, 0.0f, 20.0f, "%.0f");
            //ImGui::SliderFloat2(_TR_CTX("Theme Editor | Sizes | Sizing | label of XY sliders", "TouchExtraPadding", (float*)&style.TouchExtraPadding, 0.0f, 10.0f, "%.0f");
            //ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Sizing | slider label", "IndentSpacing", &style.IndentSpacing, 0.0f, 30.0f, "%.0f");
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Sizing | slider label", "Scrollbar Size"), &style.ScrollbarSize, 1.0f, 20.0f, "%.0f");
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Sizing | slider label", "Minimum Grabber Size"), &style.GrabMinSize, 1.0f, 20.0f, "%.0f");
            ImGui::SliderFloat2(_TR_CTX("Theme Editor | Sizes | Sizing | label of XY sliders", "Separator Text Padding"), (float*)&style.SeparatorTextPadding, 0.0f, 40.0f, "%.0f");

            ImGui::SeparatorText(_TR_CTX("Theme Editor | Sizes | Section label", "Borders"));
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Borders | slider label", "Window Border Size"), &style.WindowBorderSize, 0.0f, 1.0f, "%.0f");
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Borders | slider label", "Child Border Size"), &style.ChildBorderSize, 0.0f, 1.0f, "%.0f");
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Borders | slider label", "Popup Border Size"), &style.PopupBorderSize, 0.0f, 1.0f, "%.0f");
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Borders | slider label", "Frame Border Size"), &style.FrameBorderSize, 0.0f, 1.0f, "%.0f");
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Borders | slider label", "Tab Border Size"), &style.TabBorderSize, 0.0f, 1.0f, "%.0f");
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Borders | slider label", "Separator Text Border Size"), &style.SeparatorTextBorderSize, 0.0f, 10.0f, "%.0f");

            ImGui::SeparatorText(_TR_CTX("Theme Editor | Sizes | Section label", "Rounding"));
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Rounding | slider label", "Window Rounding"), &style.WindowRounding, 0.0f, 12.0f, "%.0f");
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Rounding | slider label", "Child Rounding"), &style.ChildRounding, 0.0f, 12.0f, "%.0f");
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Rounding | slider label", "Frame Rounding"), &style.FrameRounding, 0.0f, 12.0f, "%.0f");
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Rounding | slider label", "Popup Rounding"), &style.PopupRounding, 0.0f, 12.0f, "%.0f");
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Rounding | slider label", "Scrollbar Rounding"), &style.ScrollbarRounding, 0.0f, 12.0f, "%.0f");
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Rounding | slider label", "Grabber Rounding"), &style.GrabRounding, 0.0f, 12.0f, "%.0f");
            ImGui::SliderFloat(_TR_CTX("Theme Editor | Sizes | Rounding | slider label", "Tab Rounding"), &style.TabRounding, 0.0f, 12.0f, "%.0f");

            ImGui::EndTabItem();
        }

        if (ImGui::BeginTabItem(_TR_CTX("Theme Editor | Tab label", "Colors")))
        {

            static ImGuiTextFilter filter;
            filter.Draw(_TR_CTX("Theme Editor | Colors | text filter", "Filter colors"), ImGui::GetFontSize() * 16);

            static ImGuiColorEditFlags alpha_flags = 0;
            if (ImGui::RadioButton(_TR_CTX("Theme Editor | Colors | preview settings radio button", "Opaque"), alpha_flags == ImGuiColorEditFlags_None))             { alpha_flags = ImGuiColorEditFlags_None; } ImGui::SameLine();
            if (ImGui::RadioButton(_TR_CTX("Theme Editor | Colors | preview settings radio button", "Alpha"),  alpha_flags == ImGuiColorEditFlags_AlphaPreview))     { alpha_flags = ImGuiColorEditFlags_AlphaPreview; } ImGui::SameLine();
            if (ImGui::RadioButton(_TR_CTX("Theme Editor | Colors | preview settings radio button", "Both"),   alpha_flags == ImGuiColorEditFlags_AlphaPreviewHalf)) { alpha_flags = ImGuiColorEditFlags_AlphaPreviewHalf; }

            ImGui::BeginChild("##colors", ImVec2(0, 0), true, ImGuiWindowFlags_AlwaysVerticalScrollbar | ImGuiWindowFlags_AlwaysHorizontalScrollbar | ImGuiWindowFlags_NavFlattened);
            ImGui::PushItemWidth(-160);
            for (int i = 0; i < ImGuiCol_COUNT; i++)
            {
                const char* name = ImGui::GetStyleColorName(i);
                if (!filter.PassFilter(name))
                    continue;
                ImGui::PushID(i);
                AccentColorizer &colorizer = theme->AccentColorizers[i];
                ImGui::TextUnformatted(_TR_CTX("Theme Editor | Colors | (Any color) | recoloring label", "Match accent color preference: "));
                ImGui::Checkbox(_TR_CTX("Theme Editor | Colors | (Any color) | recoloring checkbox | Hue", "H: "), &colorizer.Hue); ImGui::SameLine();
                ImGui::Checkbox(_TR_CTX("Theme Editor | Colors | (Any color) | recoloring checkbox | Saturation", "S: "), &colorizer.Saturation); ImGui::SameLine();
                ImGui::Checkbox(_TR_CTX("Theme Editor | Colors | (Any color) | recoloring checkbox | Value", "V: "), &colorizer.Value); ImGui::SameLine();
                ImGui::Checkbox(_TR_CTX("Theme Editor | Colors | (Any color) | recoloring checkbox | Alpha (opacity)", "A: "), &colorizer.Alpha); ImGui::SameLine();
                ImGui::ColorEdit4("##color", (float*)&style.Colors[i], ImGuiColorEditFlags_AlphaBar | alpha_flags | ImGuiColorEditFlags_DisplayHSV);
                ImGui::SameLine(0.0f, style.ItemInnerSpacing.x);
                ImGui::TextUnformatted(name);
                ImGui::PopID();
            }
            ImGui::PopItemWidth();
            ImGui::EndChild();

            ImGui::EndTabItem();
        }

        ImGui::EndTabBar();
    }

    ImGui::PopItemWidth();
    ImGui::End();
    if (importDialog.HasSelected()) {
        path selected_path = importDialog.GetSelected();
        path filename = selected_path.filename();
        copy_file(selected_path, theme->themeDir / filename);
        Theme::updateAvailableThemes();
        importDialog.ClearSelected();
    }
    if (exportDialog.HasSelected()) {
        path selected_path = exportDialog.GetSelected();
        theme->Save(selected_path);
        exportDialog.ClearSelected();
    }
    if (loadOpen) {
        ImGui::OpenPopup(_TR_CTX("Theme Editor | Custom modal dialog title", "Load..."));
        ImGui::SetNextWindowPos(ImVec2(0, 0));
        ImGui::SetNextWindowSize(ImVec2(window_width, window_height));
        if (ImGui::BeginPopupModal(_TR_CTX("Theme Editor | Custom modal dialog title", "Load..."), nullptr, ImGuiWindowFlags_Modal|ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoResize)) {
            static path selectedThemePath;
            static string filter = "";
            ImGui::TextUnformatted(_TR_CTX("Theme Editor | Load dialog | Theme selector | filter label", "Filter:")); ImGui::SameLine();
            ImGui::SetNextItemWidth(ImGui::GetWindowWidth() - ImGui::GetCursorPosX() - ImGui::GetStyle().WindowPadding.x);
            ImGui::InputText("##FilterInput", &filter);
            ImGui::TextUnformatted(_TR_CTX("Theme Editor | Load dialog | Theme selector | label", "Available themes..."));
            if (ImGui::BeginListBox("##Themes", ImVec2(ImGui::GetWindowWidth() - (ImGui::GetStyle().WindowPadding.x * 2.0f), -ImGui::GetTextLineHeightWithSpacing() - ImGui::GetStyle().WindowPadding.y))) {
                for (auto themePath : Theme::availableThemes) {
                    string themeStem = themePath.stem().string();
                    if (themeStem.starts_with(filter)) {
                        const bool is_selected = themePath == selectedThemePath;
                        if (ImGui::Selectable((theme->themeStrings[themePath].name + string(" (") + string(themeStem) + string(")")).c_str(), is_selected)) {
                            selectedThemePath = themePath;
                        }
                        if (is_selected) {
                            ImGui::SetItemDefaultFocus();
                        }
                    }
                }
                ImGui::EndListBox();
            }
            if (ImGui::Button(_TR_CTX("Theme Editor | Load dialog | Load button", "Load"))) {
                if (!selectedThemePath.empty()) {
                    filter = "";
                    loadOpen = false;
                    delete theme;
                    theme = new Theme(selectedThemePath);
                    selectedThemePath = path();
                    ImGui::EndPopup();
                    return true;
                }
            }
            ImGui::SameLine();
            if (ImGui::Button(_TR_CTX("Theme Editor | Load dialog | Cancel button", "Cancel"))) {
                selectedThemePath = path();
                filter = "";
                loadOpen = false;
            }
            ImGui::EndPopup();
        }
    }
    if (saveAsOpen) {
        ImGui::OpenPopup(_TR_CTX("Theme Editor | Custom modal dialog title", "Save as..."));
        ImGui::SetNextWindowPos(ImVec2(0, 0));
        ImGui::SetNextWindowSize(ImVec2(window_width, window_height));
        if (ImGui::BeginPopupModal(_TR_CTX("Theme Editor | Custom modal dialog title", "Save as..."), nullptr, ImGuiWindowFlags_Modal|ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoResize)) {
            static string selectedThemeName = "";
            static string filter = "";
            ImGui::TextUnformatted(_TR_CTX("Theme Editor | Save as dialog | Theme selector | filter label", "Filter:")); ImGui::SameLine();
            ImGui::SetNextItemWidth(ImGui::GetWindowWidth() - ImGui::GetCursorPosX() - ImGui::GetStyle().WindowPadding.x);
            ImGui::InputText("##FilterInput", &filter, 1024);
            ImGui::TextUnformatted(_TR_CTX("Theme Editor | Save as dialog | Theme selector | label", "Available themes..."));
            if (ImGui::BeginListBox("##Themes", ImVec2(ImGui::GetWindowWidth() - (ImGui::GetStyle().WindowPadding.x * 2.0f), -ImGui::GetFrameHeightWithSpacing() - ImGui::GetTextLineHeightWithSpacing() - ImGui::GetStyle().WindowPadding.y))) {
                for (auto themePath : Theme::availableThemes) {
                    string themeStem = themePath.stem().string();
                    if (themeStem.starts_with(filter)) {
                        const bool is_selected = themeStem == selectedThemeName;
                        if (ImGui::Selectable((theme->themeStrings[themePath].name + string(" (") + string(themeStem) + string(")")).c_str(), is_selected)) {
                            selectedThemeName = themeStem;
                        }
                        if (is_selected) {
                            ImGui::SetItemDefaultFocus();
                        }
                    }
                }
                ImGui::EndListBox();
            }
            ImGui::SetNextItemWidth(ImGui::GetWindowWidth() - (ImGui::GetStyle().WindowPadding.x * 2.0f));
            ImGui::InputText(_TR_CTX("Theme Editor | Save as dialog | Theme name input label", "Theme name: "), &selectedThemeName);
            if (ImGui::Button(_TR_CTX("Theme Editor | Save as dialog | Save button", "Save"))) {
                path selectedThemePath(selectedThemeName);
                if (!selectedThemePath.empty() && !selectedThemePath.is_absolute()) {
                    selectedThemeName = "";
                    filter = "";
                    saveAsOpen = false;
                    theme->Save(Theme::themeDir / selectedThemePath.replace_extension(".toml"));
                    theme->file_path = selectedThemePath.generic_string();
                }
            }
            ImGui::SameLine();
            if (ImGui::Button(_TR_CTX("Theme Editor | Save as dialog | Cancel button", "Cancel"))) {
                selectedThemeName = "";
                filter = "";
                saveAsOpen = false;
            }
            ImGui::EndPopup();
        }
    }
    return false;
}
AccentColorizer::AccentColorizer() {
    Hue = false;
    Saturation = false;
    Value = false;
    Alpha = false;
}
AccentColorizer::AccentColorizer(toml::table table) : AccentColorizer() {
    Hue = **table["hue"].as_boolean();
    Saturation = **table["saturation"].as_boolean();
    Value = **table["value"].as_boolean();
    Alpha = **table["alpha"].as_boolean();
}
toml::table AccentColorizer::Serialize() {
    toml::table output;
    output.insert("hue", Hue);
    output.insert("saturation", Saturation);
    output.insert("value", Value);
    output.insert("alpha", Alpha);
    return output;
}
void AccentColorizer::Colorize(ImVec4 accent, ImVec4 &color) {
    ImVec4 hsv = color;
    ImGui::ColorConvertRGBtoHSV(color.x, color.y, color.z, hsv.x, hsv.y, hsv.z);
    if (Saturation)
        hsv.y = accent.y;
    if (Value)
        hsv.z = accent.z;
    if (Hue)
        hsv.x = accent.x;
    ImGui::ColorConvertHSVtoRGB(hsv.x, hsv.y, hsv.z, color.x, color.y, color.z);
    if (Alpha)
        color.w *= accent.w;
}
void Theme::Apply(ImVec4 accent, float scale) {
    ImGuiStyle& actual_style = ImGui::GetStyle();
    actual_style = style;
    for (int i = 0; i < ImGuiCol_COUNT; i++)
    {
        if (AccentColorizers.contains(i)) {
            AccentColorizers[i].Colorize(accent, actual_style.Colors[i]);
        }
    }
    ImGuiIO& io = ImGui::GetIO();
    if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
    {
        actual_style.WindowRounding = 0.0f;
        actual_style.Colors[ImGuiCol_WindowBg].w = 1.0f;
    }
    actual_style.ScaleAllSizes(scale);
    actual_style.WindowMinSize.x = MAX(actual_style.WindowMinSize.x, 1.0);
    actual_style.WindowMinSize.y = MAX(actual_style.WindowMinSize.y, 1.0);
}
void Theme::Save(string path) {
    INFO.writefln("Saving theme to %s...", path.c_str());
    {
        toml::table config;
        #ifdef __EMSCRIPTEN__
        std::ostringstream stream;
        #else
        std::ofstream stream;
        stream.open(path);
        #endif
        {
            toml::table metadata;
            metadata.insert("SchemaVersion", 3);
            {
                toml::table stringsList;
                for (auto kv : strings) {
                    toml::table stringsEntryJson;
                    string language = kv.first;
                    ThemeStrings stringsEntry = kv.second;
                    stringsEntryJson.insert("name", stringsEntry.name);
                    stringsEntryJson.insert("desc", stringsEntry.description);
                    stringsList.insert(language, stringsEntryJson);
                }
                metadata.insert("Strings", stringsList);
            }
            config.insert("meta", metadata);
        }
        {
            toml::table rounding;
            rounding.insert("Frame", style.FrameRounding);
            rounding.insert("Window", style.WindowRounding);
            rounding.insert("Child", style.ChildRounding);
            rounding.insert("Popup", style.PopupRounding);
            rounding.insert("Scrollbar", style.ScrollbarRounding);
            rounding.insert("Grab", style.GrabRounding);
            rounding.insert("Tab", style.TabRounding);
            config.insert("rounding", rounding);
        }
        {
            toml::table sizing;
            sizing.insert("FrameX", style.FramePadding.x);
            sizing.insert("FrameY", style.FramePadding.y);
            sizing.insert("WindowX", style.WindowPadding.x);
            sizing.insert("WindowY", style.WindowPadding.y);
            sizing.insert("CellX", style.CellPadding.x);
            sizing.insert("CellY", style.CellPadding.y);
            sizing.insert("SeparatorTextX", style.SeparatorTextPadding.x);
            sizing.insert("SeparatorTextY", style.SeparatorTextPadding.y);
            sizing.insert("ItemSpacingX", style.ItemSpacing.x);
            sizing.insert("ItemSpacingY", style.ItemSpacing.y);
            sizing.insert("Scrollbar", style.ScrollbarSize);
            sizing.insert("Grab", style.GrabMinSize);
            config.insert("sizing", sizing);
        }
        {
            toml::table borders;
            borders.insert("Frame", style.FrameBorderSize);
            borders.insert("Window", style.WindowBorderSize);
            borders.insert("Child", style.ChildBorderSize);
            borders.insert("Popup", style.PopupBorderSize);
            borders.insert("Tab", style.TabBorderSize);
            borders.insert("SeparatorText", style.SeparatorTextBorderSize);
            config.insert("borders", borders);
        }
        {
            toml::table colors;
            for (int i = 0; i < ImGuiCol_COUNT; i++)
            {
                const char* name = ImGui::GetStyleColorName(i);
                ImVec4 color = style.Colors[i];
                toml::table colorValue;
                colorValue.insert("r", color.x);
                colorValue.insert("g", color.y);
                colorValue.insert("b", color.z);
                colorValue.insert("a", color.w);
                colorValue.insert("accent", AccentColorizers[i].Serialize());
                colors.insert(name, colorValue);
            }
            config.insert("colors", colors);
        }
        stream << config;
        #ifdef __EMSCRIPTEN__
        path = path;
        std::string str = stream.str();
        write_storage(path.c_str(), str.c_str(), str.length() + 1);
        #else
        stream.close();
        #endif
    }
    updateAvailableThemes();
}
void Theme::Save(path path) {
    Save((string)path.string());
}
void Theme::updateAvailableThemes() {
    #ifdef __EMSCRIPTEN__
    themeDir = "theme";
    #else
    themeDir = path(prefPath) / path("themes");
    create_directories(themeDir);
    #endif
    availableThemes.clear();
    themeStrings.clear();
#ifdef __EMSCRIPTEN__
    const char **theme_files = nullptr;
    find_keys("theme/", &theme_files);
    if (theme_files[0] != nullptr) {
        for (size_t i = 0; theme_files[i] != nullptr; i++) {
            const char *dir_entry = theme_files[i];
            if (dir_entry == nullptr) {
                break;
            }
            string curpath = dir_entry;
            const char *theme_contents = nullptr;
            read_storage(dir_entry, &theme_contents, nullptr);
            if (theme_contents == nullptr) {
                continue;
            }
            availableThemes.insert(curpath);
            toml::table config = toml::parse(theme_contents);
            free((void*)theme_contents);
            themeStrings[curpath] = ThemeStrings(config);
            free((void*)dir_entry);
        }
    }
    free((void*)theme_files);
#else
    for (auto const& dir_entry : directory_iterator(themeDir)) {
        if (dir_entry.is_regular_file()) {
            if (dir_entry.path().extension().string() == ".json") {
                string curpath = Migrate(dir_entry.path().string());
                std::filesystem::remove(dir_entry.path());
                availableThemes.insert(curpath);
                toml::table config = toml::parse_file(curpath);
                themeStrings[curpath] = ThemeStrings(config);
            } else if (dir_entry.path().extension().string() == ".toml") {
              
                string curpath = dir_entry.path().string();
                availableThemes.insert(curpath);
                toml::table config = toml::parse_file(curpath);
                    themeStrings[curpath] = ThemeStrings(config);
            }
        }  
    }
#endif
}
Theme::Theme() {
    if (prefPath == NULL) {
        throw std::exception();
    }
    updateAvailableThemes();
    strings["fallback"] = ThemeStrings();
}

Theme::Theme(bool dark) : Theme() {
    if (dark) {
        ImGui::StyleColorsDark(&style);
    } else {
        ImGui::StyleColorsLight(&style);
        style.FrameBorderSize = 1;
    }
    for (int i = 0; i < ImGuiCol_COUNT; i++)
    {
        ImVec4 color = style.Colors[i];
        auto colorizer = AccentColorizer();
        if (color.x != color.y || color.y != color.z) {
            colorizer.Hue = true;
            colorizer.Saturation = true;
            colorizer.Alpha = true;
        }
        AccentColorizers[i] = colorizer;
    }
    style.FrameRounding = 12;
    style.GrabRounding = 12;
    style.WindowRounding = 12;
}
ThemeStrings::ThemeStrings() {    
    name = _TRS_CTX("Theme default strings | name", "A theme");
    description = _TRS_CTX("Theme default strings | description", "(No description)");
}
ThemeStrings Theme::GetStrings() {
    char *language_c = CURRENT_LANGUAGE;
    string language = language_c;
    if (strings.contains(language)) {
        return strings[language];
    } else {
        if (!strings.contains("fallback")) {
            strings["fallback"] = ThemeStrings();
        }
        return strings["fallback"];
    }
}
ThemeStrings::ThemeStrings(toml::table config) : ThemeStrings() {
    char *language_c = CURRENT_LANGUAGE;
    string language = language_c;
    if (config.contains("meta")) {
        toml::table metadata = *config["meta"].as_table();
        //metadata["SchemaVersion"] = 1;
        if (metadata.contains("Strings")) {
            toml::table stringsList = *metadata["Strings"].as_table();
            if (stringsList.contains(language)) {
                toml::table stringsEntryJson = *stringsList[language].as_table();
                if (stringsEntryJson.contains("name")) {
                    name = **stringsEntryJson["name"].as_string();
                }
                if (stringsEntryJson.contains("desc")) {
                    description = **stringsEntryJson["desc"].as_string();
                }
            } else if (metadata.contains("fallback")) {
                toml::table stringsEntryJson = *stringsList["fallback"].as_table();
                if (stringsEntryJson.contains("name")) {
                    name = **stringsEntryJson["name"].as_string();
                }
                if (stringsEntryJson.contains("desc")) {
                    description = **stringsEntryJson["desc"].as_string();
                }
            }
        }
    }
}

std::string Theme::Migrate(std::string path) {
    if (path.ends_with(".json")) {
        INFO.writefln("Migrating theme file '%s'...", path.c_str());
        std::ifstream stream(path);
        Json::Value config;
        stream >> config;
        toml::table newConfig;
        if (config.isMember("meta")) {
            Json::Value metadata = config["meta"];
            toml::table newMeta;
            if (metadata.isMember("Strings")) {
                Json::Value stringsList = metadata["Strings"];
                toml::table newStringsList;
                for (string language : stringsList.getMemberNames()) {
                    Json::Value stringsEntryJson = stringsList[language];
                    toml::table newStringsEntry;
                    if (stringsEntryJson.isMember("Name")) {
                        string value = stringsEntryJson["Name"].asString();
                        newStringsEntry.insert("name", value);
                    }
                    if (stringsEntryJson.isMember("Description")) {
                        string value = stringsEntryJson["Description"].asString();
                        newStringsEntry.insert("desc", value);
                    }
                    newStringsList.insert(language, newStringsEntry);
                }
                newMeta.insert("Strings", newStringsList);
            }
            newConfig.insert("meta", newMeta);
        }
        if (config.isMember("rounding")) {
            Json::Value rounding = config["rounding"];
            toml::table newRounding;
            for (string key : rounding.getMemberNames()) {
                newRounding.insert(key, rounding[key].asFloat());
            }
            newConfig.insert("rounding", newRounding);
        }
        if (config.isMember("sizing")) {
            Json::Value rounding = config["sizing"];
            toml::table newRounding;
            for (string key : rounding.getMemberNames()) {
                newRounding.insert(key, rounding[key].asFloat());
            }
            newConfig.insert("sizing", newRounding);
        }
        if (config.isMember("borders")) {
            Json::Value rounding = config["borders"];
            toml::table newRounding;
            for (string key : rounding.getMemberNames()) {
                newRounding.insert(key, rounding[key].asFloat());
            }
            newConfig.insert("borders", newRounding);
        }
        if (config.isMember("colors")) {
            Json::Value colors = config["colors"];
            toml::table newColors;
            for (int i = 0; i < ImGuiCol_COUNT; i++)
            {
                toml::table newColor;
                const char* name = ImGui::GetStyleColorName(i);
                if (colors.isMember(name)) {
                    Json::Value colorValue = colors[name];
                    ImVec4 color = ImVec4(colorValue["r"].asFloat(), colorValue["g"].asFloat(), colorValue["b"].asFloat(), colorValue["a"].asFloat());
                    newColor.insert("r", colorValue["r"].asFloat());
                    newColor.insert("g", colorValue["g"].asFloat());
                    newColor.insert("b", colorValue["b"].asFloat());
                    newColor.insert("a", colorValue["a"].asFloat());
                    toml::table newAccentOptions;
                    if (colorValue["ConvertToAccent"].isBool()) {
                        newAccentOptions.insert("hue", colorValue["ConvertToAccent"].asBool());
                        newAccentOptions.insert("saturation", false);
                        newAccentOptions.insert("value", false);
                        newAccentOptions.insert("alpha", false);
                    } else {
                        Json::Value accentOptions = colorValue["ConvertToAccent"];
                        newAccentOptions.insert("hue", accentOptions["hue"].asBool());
                        newAccentOptions.insert("saturation", accentOptions["saturation"].asBool());
                        newAccentOptions.insert("value", accentOptions["value"].asBool());
                        newAccentOptions.insert("alpha", accentOptions["alpha"].asBool());
                    }
                    newColor.insert("accent", newAccentOptions);
                    newColors.insert(name, newColor);
                }
            }
        }
        stream.close();
        std::string newPath = path.replace(path.size() - 4, 4, "toml");
        std::ofstream outStream(newPath);
        outStream << newConfig;
        outStream.close();
        return newPath;
    }
    return path;
}
Theme::Theme(string path) : Theme() {
    path = Migrate(path);
    INFO.writefln("Loading theme '%s'...", path.c_str());
    toml::table config;
#ifdef __EMSCRIPTEN__
    const char *contents = nullptr;
    read_storage(path.c_str(), &contents, nullptr);
    if (contents == nullptr) {
        throw std::exception();
    }
    config = toml::parse(contents);
    free((void*)contents);
#else
    config = toml::parse_file(path);
#endif
    if (config.contains("meta")) {
        toml::table metadata = *config["meta"].as_table();
        //metadata["SchemaVersion"] = 1;
        if (metadata.contains("Strings")) {
            toml::table stringsList = *metadata["Strings"].as_table();
            for (auto kv : stringsList) {
                string language = string(kv.first.str());
                toml::table stringEntryToml = *kv.second.as_table();
                ThemeStrings stringsEntry;
                if (stringEntryToml.contains("name")) {
                    stringsEntry.name = stringEntryToml["name"].as_string()->value_or("Unknown");
                }
                if (stringEntryToml.contains("desc")) {
                    stringsEntry.description = stringEntryToml["desc"].as_string()->value_or("No description.");
                }
                strings[language] = stringsEntry;
            }
        }
    }
    if (config.contains("rounding")) {
        toml::table rounding = *config["rounding"].as_table();
        style.FrameRounding = (float)(**(rounding["Frame"].as_floating_point()));
        style.WindowRounding = (float)(**(rounding["Window"].as_floating_point()));
        style.ChildRounding = (float)(**(rounding["Child"].as_floating_point()));
        style.PopupRounding = (float)(**(rounding["Popup"].as_floating_point()));
        style.ScrollbarRounding = (float)(**(rounding["Scrollbar"].as_floating_point()));
        style.GrabRounding = (float)(**(rounding["Grab"].as_floating_point()));
        style.TabRounding = (float)(**(rounding["Tab"].as_floating_point()));
    }
    if (config.contains("sizing")) {
        toml::table sizing = *config["sizing"].as_table();
        style.FramePadding.x = (float)(**sizing["FrameX"].as_floating_point());
        style.FramePadding.y = (float)(**sizing["FrameY"].as_floating_point());
        style.WindowPadding.x = (float)(**sizing["WindowX"].as_floating_point());
        style.WindowPadding.y = (float)(**sizing["WindowY"].as_floating_point());
        style.CellPadding.x = (float)(**sizing["CellX"].as_floating_point());
        style.CellPadding.y = (float)(**sizing["CellY"].as_floating_point());
        style.SeparatorTextPadding.x = (float)(**sizing["SeparatorTextX"].as_floating_point());
        style.SeparatorTextPadding.y = (float)(**sizing["SeparatorTextY"].as_floating_point());
        style.ItemSpacing.x = (float)(**sizing["ItemSpacingX"].as_floating_point());
        style.ItemSpacing.y = (float)(**sizing["ItemSpacingY"].as_floating_point());
        style.ScrollbarSize = (float)(**sizing["Scrollbar"].as_floating_point());
        style.GrabMinSize = (float)(**sizing["Grab"].as_floating_point());
    }
    if (config.contains("borders")) {
        toml::table borders = *config["borders"].as_table();
        style.FrameBorderSize = (float)(**borders["Frame"].as_floating_point());
        style.WindowBorderSize = (float)(**borders["Window"].as_floating_point());
        style.ChildBorderSize = (float)(**borders["Child"].as_floating_point());
        style.PopupBorderSize = (float)(**borders["Popup"].as_floating_point());
        style.TabBorderSize = (float)(**borders["Tab"].as_floating_point());
        if (borders.contains("SeparatorText")) {
            style.SeparatorTextBorderSize = (float)(**borders["SeparatorText"].as_floating_point());
        }
    }
    if (config.contains("colors")) {
        toml::table colors = *config["colors"].as_table();
        for (int i = 0; i < ImGuiCol_COUNT; i++)
        {
            const char* name = ImGui::GetStyleColorName(i);
            if (colors.contains(name)) {
                toml::table colorValue = *colors[name].as_table();
                ImVec4 color = ImVec4((float)**colorValue["r"].as_floating_point(), (float)**colorValue["g"].as_floating_point(), (float)**colorValue["b"].as_floating_point(), (float)**colorValue["a"].as_floating_point());
                AccentColorizers[i] = AccentColorizer(*colorValue["accent"].as_table());
                style.Colors[i] = color;
            }
        }
    }
    file_path = path;
}
Theme::Theme(path path) : Theme(path.string()) {

}