#pragma once

#include <glm/glm.hpp>
#include <memory>
#include <stack>
#include <vector>

#include "graphics/core/commons.hpp"
#include "typedefs.hpp"

class ImageData;
class Input;
struct DisplaySettings;

class Window {
public:
    Window(glm::ivec2 size) : size(std::move(size)) {}

    virtual ~Window() = default;
    virtual void swapBuffers() = 0;

    virtual bool isMaximized() const = 0;
    virtual bool isFocused() const = 0;
    virtual bool isIconified() const = 0;

    virtual bool isShouldClose() const = 0;
    virtual void setShouldClose(bool flag) = 0;

    virtual void setCursor(CursorShape shape) = 0;
    virtual void toggleFullscreen() = 0;
    virtual bool isFullscreen() const = 0;

    virtual void setIcon(const ImageData* image) = 0;

    virtual void pushScissor(glm::vec4 area) = 0;
    virtual void popScissor() = 0;
    virtual void resetScissor() = 0;

    virtual double time() = 0;

    virtual void setFramerate(int framerate) = 0;

    // TODO: move somewhere
    virtual std::unique_ptr<ImageData> takeScreenshot() = 0;

    const glm::ivec2& getSize() const {
        return size;
    }
protected:
    glm::ivec2 size;
};

namespace display {
    std::tuple<
        std::unique_ptr<Window>,
        std::unique_ptr<Input>
    > initialize(DisplaySettings* settings);

    void clear();
    void clearDepth();
    void setBgColor(glm::vec3 color);
    void setBgColor(glm::vec4 color);
};