#include "vulkan_shader.h"

#include <fstream>
#include <glm/gtc/type_ptr.hpp>

namespace Donut
{
	VulkanShader::VulkanShader(const std::string& filepath)
	{
		// TODO(Hachem): Implement Vulkan shader creation from filepath
	}

	VulkanShader::VulkanShader(const std::string& name, const std::string& vertex_src, const std::string& fragment_src)
		: m_name(name)
	{
		// TODO(Hachem): Implement Vulkan shader creation from source
	}

	VulkanShader::VulkanShader(const std::string& name, const std::string& compute_src)
		: m_name(name)
	{
		// TODO(Hachem): Implement Vulkan compute shader creation
	}

	VulkanShader::~VulkanShader()
	{
		// TODO(Hachem): Implement Vulkan shader cleanup
	}

	auto VulkanShader::bind() const -> void
	{
		// TODO(Hachem): Implement Vulkan shader binding
	}

	auto VulkanShader::unbind() const -> void
	{
		// TODO(Hachem): Implement Vulkan shader unbinding
	}

	auto VulkanShader::set_int(const std::string& name, int value) -> void
	{
		// TODO(Hachem): Implement Vulkan shader int uniform setting
	}

	auto VulkanShader::set_int_array(const std::string& name, int* values, uint32_t count) -> void
	{
		// TODO(Hachem): Implement Vulkan shader int array uniform setting
	}

	auto VulkanShader::set_float(const std::string& name, float value) -> void
	{
		// TODO(Hachem): Implement Vulkan shader float uniform setting
	}

	auto VulkanShader::set_float2(const std::string& name, const glm::vec2& value) -> void
	{
		// TODO(Hachem): Implement Vulkan shader float2 uniform setting
	}

	auto VulkanShader::set_float3(const std::string& name, const glm::vec3& value) -> void
	{
		// TODO(Hachem): Implement Vulkan shader float3 uniform setting
	}

	auto VulkanShader::set_float4(const std::string& name, const glm::vec4& value) -> void
	{
		// TODO(Hachem): Implement Vulkan shader float4 uniform setting
	}

	auto VulkanShader::set_mat4(const std::string& name, const glm::mat4& value) -> void
	{
		// TODO(Hachem): Implement Vulkan shader mat4 uniform setting
	}

	auto VulkanShader::dispatch(uint32_t x, uint32_t y, uint32_t z) -> void
	{
		// TODO(Hachem): Implement Vulkan compute shader dispatch
	}

	auto VulkanShader::dispatch_indirect(uint32_t offset) -> void
	{
		// TODO(Hachem): Implement Vulkan indirect compute shader dispatch
	}

	auto VulkanShader::memory_barrier(uint32_t barriers) -> void
	{
		// TODO(Hachem): Implement Vulkan memory barrier
	}

	auto VulkanShader::upload_uniform_int(const std::string& name, int value) -> void
	{
		// TODO(Hachem): Implement Vulkan uniform int upload
	}

	auto VulkanShader::upload_uniform_int_array(const std::string& name, int* values, uint32_t count) -> void
	{
		// TODO(Hachem): Implement Vulkan uniform int array upload
	}

	auto VulkanShader::upload_uniform_float(const std::string& name, float value) -> void
	{
		// TODO(Hachem): Implement Vulkan uniform float upload
	}

	auto VulkanShader::upload_uniform_float2(const std::string& name, const glm::vec2& value) -> void
	{
		// TODO(Hachem): Implement Vulkan uniform float2 upload
	}

	auto VulkanShader::upload_uniform_float3(const std::string& name, const glm::vec3& value) -> void
	{
		// TODO(Hachem): Implement Vulkan uniform float3 upload
	}

	auto VulkanShader::upload_uniform_float4(const std::string& name, const glm::vec4& value) -> void
	{
		// TODO(Hachem): Implement Vulkan uniform float4 upload
	}

	auto VulkanShader::upload_uniform_mat3(const std::string& name, const glm::mat3& matrix) -> void
	{
		// TODO(Hachem): Implement Vulkan uniform mat3 upload
	}

	auto VulkanShader::upload_uniform_mat4(const std::string& name, const glm::mat4& matrix) -> void
	{
		// TODO(Hachem): Implement Vulkan uniform mat4 upload
	}

	auto VulkanShader::read_file(const std::string& filepath) -> std::string
	{
		// TODO(Hachem): Implement file reading for Vulkan shader
		return "";
	}

	auto VulkanShader::pre_process(const std::string& source) -> std::unordered_map<uint32_t, std::string>
	{
		// TODO(Hachem): Implement shader preprocessing for Vulkan
		return {};
	}

	auto VulkanShader::compile(const std::unordered_map<uint32_t, std::string>& shader_sources) -> void
	{
		// TODO(Hachem): Implement Vulkan shader compilation
	}
};