#include "AppState.h"

#include <SDL3/SDL_log.h>

#include "GlobalMemory.h"
#include "MiscData.h"
#include "RenderDevice.h"

bool AppState::isInit() const
{
	return window and renderDevice and renderDevice->isInit();
}

void AppState::destroy()
{
	if (!isInit()) return;

	renderDevice->waitIdle();

	Take(miscData)->cleanup(*renderDevice);

	Take(renderDevice)->destroy();
	SDL_DestroyWindow(Take(window));
}

AppState::AppState(SDL_Window* window, RenderDevice* renderDevice, MiscData* miscData)
	: window{ window }
	, renderDevice{ renderDevice }
	, miscData{ miscData } {
}

AppState* CreateAppState(GlobalMemory* memory, uint32_t const width, uint32_t const height)
{
	SDL_Window* window = SDL_CreateWindow(
		"Blaze Test",
		static_cast<int>(width),
		static_cast<int>(height),
		SDL_WINDOW_VULKAN);
	if (!window)
	{
		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "%s", SDL_GetError());
		return nullptr;
	}

	auto          state = memory->getState();
	RenderDevice* renderDevice = CreateRenderDevice(memory, { .window = window });
	if (!renderDevice->isInit())
	{
		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "RenderDevice failed to init");
		return nullptr;
	}
	(void)state;

	auto* miscDataAllocation = memory->allocate(sizeof(MiscData));

	MiscData* miscData = new(miscDataAllocation) MiscData{};
	miscData->init(*renderDevice);

	auto* allocation = memory->allocate(sizeof(AppState));
	AppState* appState = new(allocation) AppState{ window, renderDevice, miscData };

	return appState;
}

AppState::~AppState()
{
	ASSERT(!isInit());
}