#include "vulkan_presentation_queue.h"

gnReturnCode gnCreatePresentationQueueFn() {

}

// #include "core/presentation_queue/gryphn_presentation_queue.h"
// #include "vulkan_queue_families.h"
// #include "vulkan_swapchain_support.h"
// #include "vulkan_presentation_queue.h"
// #include "../sync_objects/vulkan_sync_semaphore.h"
// #include "../textures/vulkan_texture.h"
// #include "../instance/vulkan_instance.h"

// GN_EXPORT gnImageFormat gnPresentationQueueGetImageFormatFn(gnPresentationQueue& presentationQueue) {
//     return (gnImageFormat)presentationQueue.presentationQueue->swapchainDetails.surfaceFormat.format;
// }

// GN_EXPORT gnReturnCode gnCreatePresentationQueueFn(gnPresentationQueue* presentationQueue, const gnOutputDevice& device, gnPresentationDetails& details) {
//     presentationQueue->presentationQueue = new gnPlatformPresentationQueue();
//     presentationQueue->presentationQueue->outputDevice = const_cast<gnOutputDevice*>(&device);

//     vulkanSwapchainDetails swapchain_details = vulkanGetSwapchainDetails(
//         { (float)details.ImageSize.x, (float)details.ImageSize.y },
//         device.physicalOutputDevice->physicalOutputDevice->instance->instance->window_surface,
//         device.physicalOutputDevice->physicalOutputDevice->device
//     );
//     presentationQueue->presentationQueue->swapchainDetails = swapchain_details;

//     VkSwapchainCreateInfoKHR createInfo{};
//     createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
//     createInfo.surface = device.physicalOutputDevice->physicalOutputDevice->instance->instance->window_surface;

//     createInfo.minImageCount = details.ImageCount;
//     createInfo.imageFormat = swapchain_details.surfaceFormat.format;
//     createInfo.imageColorSpace = swapchain_details.surfaceFormat.colorSpace;
//     createInfo.imageExtent = swapchain_details.extent;
//     createInfo.imageArrayLayers = 1;
//     createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;

//     details.ImageSize = { swapchain_details.extent.width, swapchain_details.extent.height };

//     QueueFamilyIndices indices = findQueueFamilies(device.physicalOutputDevice->physicalOutputDevice->instance->instance->window_surface, device.physicalOutputDevice->physicalOutputDevice->device);
//     uint32_t queueFamilyIndices[] = {indices.graphicsFamily.value(), indices.presentFamily.value()};

//     if (indices.graphicsFamily != indices.presentFamily) {
//         createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
//         createInfo.queueFamilyIndexCount = 2;
//         createInfo.pQueueFamilyIndices = queueFamilyIndices;
//     } else {
//         createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
//         createInfo.queueFamilyIndexCount = 0; // Optional
//         createInfo.pQueueFamilyIndices = nullptr; // Optional
//     }

//     createInfo.preTransform = swapchain_details.swapChainSupport.capabilities.currentTransform;
//     createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
//     createInfo.presentMode = swapchain_details.presentMode;
//     createInfo.clipped = VK_TRUE;
//     createInfo.oldSwapchain = VK_NULL_HANDLE;

//     if (vkCreateSwapchainKHR(device.outputDevice->device, &createInfo, nullptr, &presentationQueue->presentationQueue->swapChain) != VK_SUCCESS) {
//         gnReturnError(GN_FAILED_CREATE_PRESENTATION_QUEUE, "too lazy to query vulkan why");
//     }

//     std::vector<VkImage> swapChainImages;
//     vkGetSwapchainImagesKHR(device.outputDevice->device, presentationQueue->presentationQueue->swapChain, &details.ImageCount, nullptr);
//     swapChainImages.resize(details.ImageCount);
//     vkGetSwapchainImagesKHR(device.outputDevice->device, presentationQueue->presentationQueue->swapChain, &details.ImageCount, swapChainImages.data());

//     presentationQueue->valid = true;
//     presentationQueue->presentationQueue->device = &device.outputDevice->device;

//     if (gnListLength(presentationQueue->images) < swapChainImages.size()) {
//         for (size_t i = gnListLength(presentationQueue->images); i < swapChainImages.size(); i++) {
//             gnTexture newImage = gnTexture();
//             newImage.texture = new gnPlatformTexture();
//             gnListAdd(presentationQueue->images, newImage);
//         }
//     }

//     for (size_t i = 0; i < swapChainImages.size(); i++) {
//         VkImageView imageView;
//         gnReturnCode code = createImageView(device, swapChainImages[i], swapchain_details.surfaceFormat.format, VK_IMAGE_ASPECT_COLOR_BIT, &imageView);
//         presentationQueue->images[i].texture->textureImageView = imageView;
//         presentationQueue->images[i].texture->textureImage = swapChainImages[i];
//         presentationQueue->images[i].texture->outputDevice = const_cast<gnOutputDevice*>(&device);
//         presentationQueue->images[i].texture->swapchainImage = true;
//         if (code != GN_SUCCESS) return code;
//     }

//     return GN_SUCCESS;
// }

// GN_EXPORT void gnDestroyPresentationQueueFn(gnPresentationQueue& queue) {
//     for (size_t i = 0; i < gnListLength(queue.images); i++)
//         vkDestroyImageView(*queue.presentationQueue->device, queue.images[i].texture->textureImageView, nullptr);
//     vkDestroySwapchainKHR(*queue.presentationQueue->device, queue.presentationQueue->swapChain, nullptr);
// }

// GN_EXPORT gnReturnCode gnPresentationQueueGetNextImageAsyncFn(gnPresentationQueue& presentationQueue, const gnSyncSemaphore& semaphore, gnUInt* imageIndex) {
//     gnUInt nextImageIndex = 0;
//     presentationQueue.presentationQueue->result =
//         vkAcquireNextImageKHR(*presentationQueue.presentationQueue->device, presentationQueue.presentationQueue->swapChain, UINT64_MAX, semaphore.semaphore->semaphore, VK_NULL_HANDLE, &nextImageIndex);
//     *imageIndex = nextImageIndex;

//     if (presentationQueue.presentationQueue->result != VK_SUCCESS) {
//         return GN_FAILED;
//     }

//     return GN_SUCCESS;
// }

// GN_EXPORT gnPresentationQueueState gnPresentationQueueGetStateFn(gnPresentationQueue& presentationQueue) {
//     if (presentationQueue.presentationQueue->result == VK_ERROR_OUT_OF_DATE_KHR) {
//         return GN_OUT_OF_DATE;
//     } else if (presentationQueue.presentationQueue->result == VK_SUBOPTIMAL_KHR) {
//         return GN_SUBOPTIMAL;
//     }
//     else if (presentationQueue.presentationQueue->result == VK_SUCCESS) {
//         return GN_VALID;
//     }
//     return GN_VALID;
// }