#include "SDL2/SDL_keycode.h"
#include "editor_scenes.hpp"
#include "../../sdlpp/sdlpp.hpp"
#include "../../sdlpp/sdlpp_mouse.hpp"
#include "../global_vars.hpp"
#include "../objectids.hpp"
#include "../editor_visitor.hpp"

bool __update_scenes_text_dialog = false;
bool __quit_scenes_text_dialog = false;
bool __started_text_dialog = false;
bool __update_text = false;
uint64_t __cur_button_index_text_dialog = -1;
uint64_t __cur_button_index_text_dialog_down = -1;
std::vector<std::shared_ptr<Button>> __buttons_text_dialog{};
std::shared_ptr<SDLPP::RectangleRender> __mouse_text_dialog{};
std::shared_ptr<SDLPP::TextRenderer> __level_name_object{};
std::string __level_name_text = "LEVEL NAME";

std::function<void(const std::string &)> __text_dialog_finalizer;

void __quitTextDialog() {
    __quit_scenes_text_dialog = true;
}

void __quitCallback_TextDialog(void * /*UNUSED*/, Button * /*UNUSED*/) {
    __quitTextDialog();
}

void __handleKeyUp_TextDialog(SDL_Keycode key, SDLPP::Scene & /*UNUSED*/) {
    switch (key) {
    case SDLK_ESCAPE:
        __level_name_text = "";
        // fallthrough
    case SDLK_RETURN:
        __quitTextDialog();
        break;
    default:
        break;
    }
}

std::shared_ptr<SDLPP::Scene>
createSceneTextDialog(std::shared_ptr<SDLPP::Renderer> &renderer) {
    auto scene = std::make_shared<SDLPP::Scene>(renderer);
    auto bg = std::make_shared<SDLPP::RectangleRender>(0, 0, 10, 10, renderer,
                                                       "#00000088", true);
    bg->setPermanent();
    bg->setId(1);
    scene->addObject(bg);
    __mouse_text_dialog =
        std::make_shared<SDLPP::RectangleRender>(0.01, 0.01, 0, 0, renderer);
    __mouse_text_dialog->setMinWidth(1);
    __mouse_text_dialog->setMinHeight(1);
    __mouse_text_dialog->setAlignment(SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER);
    __mouse_text_dialog->setId(EDITOR_MOUSE_ID);
    __mouse_text_dialog->setColiderColor("#00FF00");
    __mouse_text_dialog->addCollision(SDLPP::RectColider({ 0, 0 }, { 1, 1 }));
    scene->addObject(__mouse_text_dialog);

    ButtonConfig default_button_theme{};
    default_button_theme.bg_color = "#FFFFFF88";
    default_button_theme.bg_color_highlight = "#FFFFFFBB";
    default_button_theme.bg_color_disabled = "#AAAAAA88";
    default_button_theme.font_color = "#000000";
    default_button_theme.font_color_highlight = "#000000";
    default_button_theme.font_color_disabled = "#555555";
    default_button_theme.font_outline_color = "#FFFFFF88";
    default_button_theme.font_outline_color_highlight = "#FFFFFFAA";
    default_button_theme.font_outline_color_disabled = "#787878";
    default_button_theme.outline = 0.1;
    // buttons
    __buttons_text_dialog.emplace_back(std::make_shared<Button>(
        0.3, 0.7, 0.4, 0.2, renderer, "OK", default_button_theme,
        __quitCallback_TextDialog, nullptr));
    __buttons_text_dialog.back()->setAlignment(SDLPP::OBJ_CENTER,
                                             SDLPP::OBJ_CENTER);
    __buttons_text_dialog.back()->setPermanent();
    __buttons_text_dialog.back()->setButtonIndex(__buttons_text_dialog.size() - 1);
    __buttons_text_dialog.back()->setHighlight();
    for (auto &button : __buttons_text_dialog) {
        scene->addObject(button);
    }
    auto font_config = std::make_shared<SDLPP::FontConfiguration>(
        g_text_config->getFont(), "#000000", "#282828", 0.05);
    // level name
    __level_name_object = std::make_shared<SDLPP::TextRenderer>(
        0.1, 0.4, 0.8, 0.2, renderer, __level_name_text,
        font_config, SDLPP_TEXT_LEFT);
    __level_name_object->setAlignment(SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER);
    __level_name_object->setPermanent();
    __level_name_object->setColor("#FFFFFF88");
    scene->addObject(__level_name_object);
    return scene;
}

void __resetGlobals_TextDialog() {
    __update_scenes_text_dialog = false;
    __quit_scenes_text_dialog = false;
    __started_text_dialog = false;
    __cur_button_index_text_dialog = -1;
    __cur_button_index_text_dialog_down = -1;
    __buttons_text_dialog.clear();
    __mouse_text_dialog.reset();
    __level_name_object.reset();
    __level_name_text = "LEVEL NAME";
}

void __additionalRender_TextDialog(std::shared_ptr<SDLPP::Scene> & /*UNUSED*/) {
    if (__update_text) {
        __level_name_object->changeText(__level_name_text);
        __update_text = false;
        __update_scenes_text_dialog = true;
    }
    if (__update_scenes_text_dialog) {
        for (auto &_scene : game_scenes) {
            _scene.scene->updateSizeAndPosition();
        }
        if (__started_text_dialog) {
            __update_scenes_text_dialog = false;
        } else {
            __started_text_dialog = true;
        }
    }
    if (__quit_scenes_text_dialog) {
        SDL_StopTextInput();
        if(!__level_name_text.empty() &&
           (__level_name_text.size() < 7 || __level_name_text.substr(__level_name_text.size() - 7) != ".marmap")) {
            __level_name_text += ".marmap";
        }
        __text_dialog_finalizer(__level_name_text);
        game_scenes.pop_back();
        __resetGlobals_TextDialog();
    }
}

void __getMousePositionFlags_TextDialog(SDLPP::Scene &scene) {
    auto mouse = scene.getObjects({ EDITOR_MOUSE_ID })[0];
    // move mouse colider to mouse position
    mouse->setPos(SDLPP::Mouse::getMousePositionDouble(
        scene.getRenderer(), SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER));

    MouseVisitor visitor;
    scene.visitCollisions(*mouse, visitor);
    __cur_button_index_text_dialog = visitor.getCurButton();
}

bool controlOrCommandPressed();

void __pollEvents_TextDialog(std::shared_ptr<SDLPP::Scene> &scene) {
    SDL_Event event;
    while (SDLPP::getSDLEvent(event)) {
        switch (event.type) {
        case SDL_QUIT:
            __quitTextDialog();
            break;
        case SDL_KEYUP:
            __handleKeyUp_TextDialog(event.key.keysym.sym, *scene);
            break;
        case SDL_KEYDOWN:
            if (event.key.keysym.sym == SDLK_BACKSPACE &&
                !__level_name_text.empty()) {
                __level_name_text.pop_back();
                __update_text = true;
            } else if (event.key.keysym.sym == SDLK_c &&
                        controlOrCommandPressed()) {
                // handle copy
                SDL_SetClipboardText(__level_name_text.c_str());
            } else if (event.key.keysym.sym == SDLK_v &&
                        controlOrCommandPressed()) {
                // handle paste
                __level_name_text += SDL_GetClipboardText();
                __update_text = true;
            }
            break;
        case SDL_WINDOWEVENT:
            if (event.window.event == SDL_WINDOWEVENT_RESIZED) {
                __update_scenes_text_dialog = true;
            }
            break;
        case SDL_MOUSEMOTION:
            __getMousePositionFlags_TextDialog(*scene);
            break;
        case SDL_MOUSEBUTTONUP:
            if (__cur_button_index_text_dialog_down ==
                    __cur_button_index_text_dialog &&
                __cur_button_index_text_dialog != (uint64_t)-1) {
                __buttons_text_dialog[__cur_button_index_text_dialog]
                    ->performFunction();
            }
            break;
        case SDL_MOUSEBUTTONDOWN:
            // store current mouse flags in previous mouse flags
            __cur_button_index_text_dialog_down = __cur_button_index_text_dialog;
            break;
        case SDL_TEXTINPUT:
            __level_name_text += event.text.text;
            __update_text = true;
            break;
        default:
            break;
        }
    }
}

SceneStruct createTextScene(std::shared_ptr<SDLPP::Renderer> renderer,
                          std::function<void(const std::string &)> finalizer) {
    __text_dialog_finalizer = finalizer;
    SceneStruct ret{};
    ret.scene = createSceneTextDialog(renderer);
    ret.additionalRender = __additionalRender_TextDialog;
    ret.doInput = __pollEvents_TextDialog;
    __update_scenes_text_dialog = true;
    SDL_StartTextInput();
    return ret;
}