#include "imgui_impl_glfw.h"
#include "vulkan_helper.h"
#include "vulkan/vulkan_core.h"
#include <cstdint>
#include <sys/types.h>
#include <vector>
#include <string>

std::vector<std::string> get_glfw_instance_extensions();

namespace iris {

struct Swapchain {
    Device device;

    VkSurfaceKHR surface = VK_NULL_HANDLE;
    VkSwapchainKHR swapchain = VK_NULL_HANDLE;
    VkRenderPass render_pass = VK_NULL_HANDLE;
    VkDescriptorPool descriptor_pool = VK_NULL_HANDLE;
    GLFWwindow *window = nullptr;
    uint32_t width = -1;
    uint32_t height = -1;
    bool needs_recreate = false;
    
    static constexpr uint32_t SWAPCHAIN_IMAGE_COUNT = 3;
    VkImage swapchain_images[SWAPCHAIN_IMAGE_COUNT];
    VkImageView swapchain_image_views[SWAPCHAIN_IMAGE_COUNT];
    VkFramebuffer framebuffers[SWAPCHAIN_IMAGE_COUNT];
    VkSemaphore image_available_semaphores[SWAPCHAIN_IMAGE_COUNT];
    VkSemaphore render_finished_semaphores[SWAPCHAIN_IMAGE_COUNT];
    CommandBuffer cmd_buf;

    Texture2D upload_texture;

    ImGuiContext *imgui_context = nullptr;
    uint32_t semaphore_index = 0;
    uint32_t frame_index = 0;

    void resize(uint32_t new_width, uint32_t new_height);
    void start_frame();
    void display(Texture2D &texture);
    Swapchain(GLFWwindow *window, iris::Device device, uint32_t width, uint32_t height);
    ~Swapchain();
};

} // namespace iris