#include "GUI_Window.hpp"


/*Function to handle the input*/
auto GUI_Window::handle(int e) -> int {
    switch (e) {
        /*Mousebutton*/
        case FL_PUSH:
            x = Fl::event_x();
            y = Fl::event_y();
            vkvm::setMousePosition(x, y);
            if (Fl::event_button() == FL_LEFT_MOUSE) {
                mouse_status |= Mouse_Status::left_down;
                this->child(2)->label("Event:Mouse Left Down");
                vkvm::callEvent(vkvm::EventType::MouseLeftDown);
            } else if (Fl::event_button() == FL_RIGHT_MOUSE) {
                mouse_status |= Mouse_Status::right_down;
                this->child(2)->label("Event:Mouse Right Down");
                vkvm::callEvent(vkvm::EventType::MouseRightDown);
            } else {
                mouse_status |= Mouse_Status::middle_down;
                this->child(2)->label("Event:Mouse Middle Down");
                vkvm::callEvent(vkvm::EventType::MouseMiddleDown);
            }
            return 1;
            /*Mousebutton and movement*/
        case FL_RELEASE:
            x = Fl::event_x();
            y = Fl::event_y();
            vkvm::setMousePosition(x, y);
            if (Fl::event_button() == FL_LEFT_MOUSE) {
                mouse_status &= Mouse_Status::left_up;
                this->child(2)->label("Event:Mouse Left Up");
                vkvm::callEvent(vkvm::EventType::MouseLeftUp);
            } else if (Fl::event_button() == FL_RIGHT_MOUSE) {
                mouse_status &= Mouse_Status::right_up;
                this->child(2)->label("Event:Mouse Right Up");
                vkvm::callEvent(vkvm::EventType::MouseRightUp);
            } else {
                mouse_status &= Mouse_Status::middle_up;
                this->child(2)->label("Event:Mouse Middle Up");
                vkvm::callEvent(vkvm::EventType::MouseMiddleUp);
            }
            return 1;
        case FL_DRAG:
            x = Fl::event_x();
            y = Fl::event_y();
            vkvm::setMousePosition(x, y);
            this->child(3)->label(position_to_string(x, y));
            switch (mouse_status) {
                case Mouse_Status::left_down :
                    this->child(2)->label("Event:Mouse Left Drag");
                    vkvm::callEvent(vkvm::EventType::MouseMove);
                    break;
                case Mouse_Status::right_down :
                    this->child(2)->label("Event:Mouse Right Drag");
                    vkvm::callEvent(vkvm::EventType::MouseMove);
                    break;
                case Mouse_Status::middle_down :
                    this->child(2)->label("Event:Mouse Middle Drag");
                    vkvm::callEvent(vkvm::EventType::MouseMove);
            }
            return 1;

            /*Mousemovement*/
        case FL_MOVE:
            if (mouse_status == 0) {
                x = Fl::event_x();
                y = Fl::event_y();
                if (lastX != x || lastY != y) {
                    lastX = x;
                    lastY = y;
                    vkvm::setMousePosition(x, y);
                    vkvm::callEvent(vkvm::EventType::MouseMove);
                    this->child(2)->label("Event:Mouse Move");
                    this->child(3)->label(position_to_string(x, y));
                }
            } else {
                handle(FL_DRAG);
            }
            return 1;
            /*keyboardbutton*/
        case FL_KEYBOARD:
            button = Fl::event_button();
            keyCode = vkvm::KeyCode(button);
            vkvm::buttonPressed(keyCode);
            vkvm::callEvent(vkvm::EventType::KeyDown);
            this->child(2)->label("Event:Key Down");
            return 1;
        case FL_KEYUP:
            button = Fl::event_button();
            keyCode = vkvm::KeyCode(button);
            vkvm::buttonPressed(keyCode);
            vkvm::callEvent(vkvm::EventType::KeyUp);
            this->child(2)->label("Event:Key Up");
            return 1;
    }

    return -1;
}

GUI_Window::GUI_Window(int x, int y, const char *l) : Fl_Window(x, y, l) {
    lastX = 0;
    lastY = 0;
    mouse_status = 0;
}

auto GUI_Window::position_to_string(int x, int y) -> char * {
    auto *str = new char[25];
    std::string str_temp;
    str = strcpy(str, "Mouse Position X:");
    str_temp = std::to_string(x);
    str = strcat(str, str_temp.c_str());
    str = strcat(str, " Y:");
    str_temp = std::to_string(y);
    str = strcat(str, str_temp.c_str());
    return str;
}