#include "common/emulatorConfig.h"

#include "common/assert.h"
#include "common/debugCounters.h"

#include <algorithm>
#include <memory>

namespace Config {

static std::unique_ptr<ConfigOptions> g_config;

void Initialize() {
	EXIT_IF(g_config != nullptr);

	g_config = std::make_unique<ConfigOptions>();
}

void Shutdown() {
	Common::DebugCounters::SetEnabled(false);
	g_config.reset();
}

void Load(const ConfigOptions& cfg) {
	EXIT_IF(g_config == nullptr);
	EXIT_IF(cfg.user_name.empty() || cfg.user_name.size() > MAX_USER_NAME_LENGTH);
	EXIT_IF(!IsConfiguredUserIdValid(cfg.user_id));
	EXIT_IF(cfg.controller_speaker_volume > 100 || cfg.controller_vibration_intensity > 100);
	EXIT_IF(cfg.keyboard_player > static_cast<uint32_t>(MAX_PLAYERS));

	*g_config = cfg;
	Common::DebugCounters::SetEnabled(cfg.perf_overlay_enabled);
}

uint32_t GetScreenWidth() {
	return g_config->screen_width;
}

uint32_t GetScreenHeight() {
	return g_config->screen_height;
}

const std::string& GetUserName() {
	return g_config->user_name;
}

int32_t GetUserId() {
	return g_config->user_id;
}

const std::string& GetAudioInputDevice() {
	return g_config->audio_input_device;
}

const std::optional<ControllerColor>& GetControllerColor() {
	return g_config->controller_color;
}

uint32_t GetControllerSpeakerVolume() {
	return g_config->controller_speaker_volume;
}

uint32_t GetControllerVibrationIntensity() {
	return g_config->controller_vibration_intensity;
}

uint32_t GetKeyboardPlayer() {
	return g_config->keyboard_player;
}

int32_t GetPlayerUserId(int player) {
	return g_config->user_id + player * PLAYER_USER_ID_STEP;
}

int GetPlayerFromUserId(int32_t user_id) {
	for (int player = 0; player < MAX_PLAYERS; player++) {
		if (user_id == GetPlayerUserId(player)) {
			return player;
		}
	}
	return -1;
}

bool IsGuestUserId(int32_t user_id) {
	return GetPlayerFromUserId(user_id) > 0;
}

PresentMode GetPresentMode() {
	return g_config->present_mode;
}

int32_t GetGpuIndex() {
	return g_config->gpu_index;
}

bool FullscreenEnabled() {
	return g_config->fullscreen_enabled;
}

bool HdrEnabled() {
	return g_config->hdr_enabled;
}

bool HideCursorEnabled() {
	return g_config->hide_cursor_enabled;
}

bool VrEnabled() {
	return g_config->vr_enabled;
}

bool AmdCpuEnabled() {
	return g_config->amd_cpu_enabled;
}

uint32_t GetVblankFrequency() {
	return std::clamp(g_config->vblank_frequency, 30u, 360u);
}

uint32_t GetConsoleLanguage() {
	return g_config->console_language;
}

bool VulkanValidationEnabled() {
	return g_config->vulkan_validation_enabled;
}

bool IsNetworkConnected() {
	return g_config->network_connected;
}

bool ShaderValidationEnabled() {
	return g_config->shader_validation_enabled;
}

ShaderOptimizationType GetShaderOptimizationType() {
	return g_config->shader_optimization_type;
}

LogDirection GetShaderLogDirection() {
	return g_config->shader_log_direction;
}

std::filesystem::path GetShaderLogFolder() {
	return g_config->shader_log_folder;
}

bool CommandBufferDumpEnabled() {
	return g_config->command_buffer_dump_enabled;
}

std::filesystem::path GetCommandBufferDumpFolder() {
	return g_config->command_buffer_dump_folder;
}

bool GraphicsDebugDumpEnabled() {
	return g_config->graphics_debug_dump_enabled;
}

LogDirection GetPrintfDirection() {
	return g_config->printf_direction;
}

std::filesystem::path GetPrintfOutputFile() {
	return g_config->printf_output_file;
}

bool ProfilerEnabled() {
	return g_config->profiler_enabled;
}

bool SpirvDebugPrintfEnabled() {
	return g_config->spirv_debug_printf_enabled;
}

bool GpuAssistedValidationEnabled() {
	return g_config->gpu_assisted_validation_enabled && g_config->vulkan_validation_enabled;
}

bool RenderDocEnabled() {
	return g_config->renderdoc_enabled;
}

bool ReadbackLinearImagesEnabled() {
	return g_config->readback_linear_images;
}

bool SyncRawImageBuffersEnabled() {
	return g_config->sync_raw_image_buffers;
}

bool TessellationEnabled() {
	return g_config->tessellation_enabled;
}

bool TrophyEnabled() {
	return g_config->trophy_enabled;
}

uint32_t GetTrophyDurationSeconds() {
	return std::clamp(g_config->trophy_duration_seconds, 5u, 10u);
}

bool PlayGoHackEnabled() {
	return g_config->playgo_hack_enabled;
}

bool SkipNoticeScreen() {
	return g_config->skip_notice_screen;
}

#if KYTY_PLATFORM == KYTY_PLATFORM_WINDOWS
bool RedZoneProtectionEnabled() {
	return g_config->red_zone_protection_enabled;
}
#endif

const Keymap& GetKeymap() {
	return g_config->keymap;
}

const std::vector<std::string>& GetGuestArguments() {
	return g_config->guest_arguments;
}

} // namespace Config