#include <hex/api/content_registry.hpp>
#include <hex/api/imhex_api.hpp>

#include <hex/helpers/lang.hpp>
using namespace hex::lang_literals;

#include <imgui.h>

#include <nlohmann/json.hpp>

namespace hex::plugin::builtin {

    void registerSettings() {

        /* General */

        ContentRegistry::Settings::add("hex.builtin.setting.general", "hex.builtin.setting.general.show_tips", 1, [](auto name, nlohmann::json &setting) {
            static bool enabled = static_cast<int>(setting);

            if (ImGui::Checkbox(name.data(), &enabled)) {
                setting = static_cast<int>(enabled);
                return true;
            }

            return false;
        });

        ContentRegistry::Settings::add("hex.builtin.setting.general", "hex.builtin.setting.general.auto_load_patterns", 1, [](auto name, nlohmann::json &setting) {
            static bool enabled = static_cast<int>(setting);

            if (ImGui::Checkbox(name.data(), &enabled)) {
                setting = static_cast<int>(enabled);
                return true;
            }

            return false;
        });

        /* Interface */

        ContentRegistry::Settings::add("hex.builtin.setting.interface", "hex.builtin.setting.interface.color", 0, [](auto name, nlohmann::json &setting) {
            static int selection = static_cast<int>(setting);

            const char* themes[] = {
                    "hex.builtin.setting.interface.color.system"_lang,
                    "hex.builtin.setting.interface.color.dark"_lang,
                    "hex.builtin.setting.interface.color.light"_lang,
                    "hex.builtin.setting.interface.color.classic"_lang
            };

            if (ImGui::Combo(name.data(), &selection, themes, IM_ARRAYSIZE(themes))) {
                setting = selection;
                return true;
            }

            return false;
        });

        ContentRegistry::Settings::add("hex.builtin.setting.interface", "hex.builtin.setting.interface.scaling", 0, [](auto name, nlohmann::json &setting) {
            static int selection = static_cast<int>(setting);

            const char* scaling[] = {
                    "hex.builtin.setting.interface.scaling.native"_lang,
                    "hex.builtin.setting.interface.scaling.x0_5"_lang,
                    "hex.builtin.setting.interface.scaling.x1_0"_lang,
                    "hex.builtin.setting.interface.scaling.x1_5"_lang,
                    "hex.builtin.setting.interface.scaling.x2_0"_lang,
            };

            if (ImGui::Combo(name.data(), &selection, scaling, IM_ARRAYSIZE(scaling))) {
                setting = selection;

                ImHexApi::Common::restartImHex();

                return true;
            }

            return false;
        });

        ContentRegistry::Settings::add("hex.builtin.setting.interface", "hex.builtin.setting.interface.language", "en-US", [](auto name, nlohmann::json &setting) {
            auto &languages = LangEntry::getSupportedLanguages();

            static int selection = [&]() -> int {
                u16 index = 0;
                for (auto &[languageCode, languageName] : languages){
                    if (languageCode == setting)
                        return index;
                    index++;
                }

                return 0;
            }();

            static auto languageNames = [&]() {
                std::vector<const char*> result;
                result.reserve(languages.size());

                for (auto &[languageCode, languageName] : languages)
                    result.push_back(languageName.c_str());

                return result;
            }();


            if (ImGui::Combo(name.data(), &selection, languageNames.data(), languageNames.size())) {

                u16 index = 0;
                for (auto &[languageCode, languageName] : languages){
                    if (selection == index) {
                        setting = languageCode;
                        break;
                    }
                    index++;
                }

                return true;
            }

            return false;
        });

        ContentRegistry::Settings::add("hex.builtin.setting.interface", "hex.builtin.setting.interface.fps", 60, [](auto name, nlohmann::json &setting) {
            static int fps = static_cast<int>(setting);

            auto format = fps > 200 ? "hex.builtin.setting.interface.fps.unlocked"_lang : "%d FPS";

            if (ImGui::SliderInt(name.data(), &fps, 15, 201, format, ImGuiSliderFlags_AlwaysClamp)) {
                setting = fps;
                return true;
            }

            return false;
        });

        ContentRegistry::Settings::add("hex.builtin.setting.interface", "hex.builtin.setting.interface.highlight_alpha", 0x80, [](auto name, nlohmann::json &setting) {
            static int alpha = static_cast<int>(setting);

            if (ImGui::SliderInt(name.data(), &alpha, 0x00, 0xFF)) {
                setting = alpha;
                return true;
            }

            return false;
        });

        ContentRegistry::Settings::add("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.column_count", 16, [](auto name, nlohmann::json &setting) {
            static int columns = static_cast<int>(setting);

            if (ImGui::SliderInt(name.data(), &columns, 1, 32)) {
                setting = columns;
                return true;
            }

            return false;
        });

        ContentRegistry::Settings::add("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.hexii", 0, [](auto name, nlohmann::json &setting) {
            static bool hexii = static_cast<int>(setting);

            if (ImGui::Checkbox(name.data(), &hexii)) {
                setting = static_cast<int>(hexii);
                return true;
            }

            return false;
        });

        ContentRegistry::Settings::add("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.ascii", 1, [](auto name, nlohmann::json &setting) {
            static bool ascii = static_cast<int>(setting);

            if (ImGui::Checkbox(name.data(), &ascii)) {
                setting = static_cast<int>(ascii);
                return true;
            }

            return false;
        });

        ContentRegistry::Settings::add("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.advanced_decoding", 0, [](auto name, nlohmann::json &setting) {
            static bool advancedDecoding = static_cast<int>(setting);

            if (ImGui::Checkbox(name.data(), &advancedDecoding)) {
                setting = static_cast<int>(advancedDecoding);
                return true;
            }

            return false;
        });

        ContentRegistry::Settings::add("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.grey_zeros", 1, [](auto name, nlohmann::json &setting) {
            static bool greyZeros = static_cast<int>(setting);

            if (ImGui::Checkbox(name.data(), &greyZeros)) {
                setting = static_cast<int>(greyZeros);
                return true;
            }

            return false;
        });

        ContentRegistry::Settings::add("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.uppercase_hex", 1, [](auto name, nlohmann::json &setting) {
            static bool upperCaseHex = static_cast<int>(setting);

            if (ImGui::Checkbox(name.data(), &upperCaseHex)) {
                setting = static_cast<int>(upperCaseHex);
                return true;
            }

            return false;
        });

        ContentRegistry::Settings::add("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.extra_info", 1, [](auto name, nlohmann::json &setting) {
            static bool extraInfos = static_cast<int>(setting);

            if (ImGui::Checkbox(name.data(), &extraInfos)) {
                setting = static_cast<int>(extraInfos);
                return true;
            }

            return false;
        });

    }

}