#include "../../include/gui/Widget.hpp"
#include <vector>

namespace gsr {
    static std::vector<std::unique_ptr<Widget>> widgets_to_remove;

    Widget::Widget() {
        
    }

    Widget::~Widget() {
        remove_widget_as_selected_in_parent();
    }

    void Widget::set_position(mgl::vec2f position) {
        this->position = position;
    }

    mgl::vec2f Widget::get_position() const {
        return position;
    }

    void Widget::set_widget_as_selected_in_parent() {
        if(parent_widget) {
            parent_widget->selected_child_widget = this;
            parent_widget->set_widget_as_selected_in_parent();
        }
    }

    void Widget::remove_widget_as_selected_in_parent() {
        if(parent_widget && parent_widget->selected_child_widget == this) {
            parent_widget->selected_child_widget = nullptr;
            parent_widget->remove_widget_as_selected_in_parent();
        }
    }

    bool Widget::has_parent_with_selected_child_widget() const {
        // TODO: Optimize since this is called in draw function in widgets
        if(parent_widget) {
            if(parent_widget->selected_child_widget)
                return true;
            return parent_widget->has_parent_with_selected_child_widget();
        }
        return false;
    }

    void Widget::set_horizontal_alignment(Alignment alignment) {
        horizontal_aligment = alignment;
    }

    void Widget::set_vertical_alignment(Alignment alignment) {
        vertical_aligment = alignment;
    }

    Widget::Alignment Widget::get_horizontal_alignment() const {
        return horizontal_aligment;
    }

    Widget::Alignment Widget::get_vertical_alignment() const {
        return vertical_aligment;
    }

    void Widget::set_visible(bool visible) {
        this->visible = visible;
    }

    void add_widget_to_remove(std::unique_ptr<Widget> widget) {
        widgets_to_remove.push_back(std::move(widget));
    }

    void remove_widgets_to_be_removed() {
        for(size_t i = 0; i < widgets_to_remove.size(); ++i) {
            widgets_to_remove[i].reset();
        }
        widgets_to_remove.clear();
    }
}