#include <sophia/application.hpp>
#include <sophia/canvas.hpp>

namespace sophia {

class Canvas::Impl {
 public:
  explicit Impl(Application* application) : application{application} {}

  void triangle(glm::vec2 a, glm::vec2 b, glm::vec2 c,
                glm::vec3 color = {1.0f, 1.0f, 1.0f}) {
    std::vector<CanvasVertex> vertices{
        {a, color},
        {b, color},
        {c, color},
    };

    application->pushModel(std::move(vertices), {});
  }

  void quad(glm::vec2 position, glm::vec2 size,
            glm::vec3 color = {1.0f, 1.0f, 1.0f}) {
    std::vector<CanvasVertex> vertices{
        {position, color},
        {position + glm::vec2(size.x, 0.f), color},
        {position + size, color},
        {position + glm::vec2(0.f, size.y), color},
    };
    std::vector<u32> indices{0, 1, 2, 2, 3, 0};

    application->pushModel(std::move(vertices), std::move(indices));
  }

  void clear() { application->clearModels(); }

 private:
  Application* application;
};

Canvas::Canvas(Application* application)
    : impl{std::make_unique<Impl>(application)} {}

Canvas::~Canvas() = default;

void Canvas::triangle(glm::vec2 a, glm::vec2 b, glm::vec2 c, glm::vec3 color) {
  impl->triangle(a, b, c, color);
}

void Canvas::quad(glm::vec2 position, glm::vec2 size, glm::vec3 color) {
  impl->quad(position, size, color);
}

void Canvas::clear() { impl->clear(); }

}  // namespace sophia