// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#pragma once

#include <algorithm>
#include <array>
#include <map>
#include <memory>
#include <stdexcept>
#include <string>
#include <utility>
#include <vector>

#include "common/common_types.h"
#include "common/settings_common.h"
#include "common/settings_enums.h"
#include "common/settings_input.h"
#include "common/settings_setting.h"

namespace Settings {

const char* TranslateCategory(Settings::Category category);

struct ResolutionScalingInfo {
    u32 up_scale{1};
    u32 down_shift{0};
    f32 up_factor{1.0f};
    f32 down_factor{1.0f};
    bool active{};
    bool downscale{};

    s32 ScaleUp(s32 value) const {
        if (value == 0) {
            return 0;
        }
        return std::max((value * static_cast<s32>(up_scale)) >> static_cast<s32>(down_shift), 1);
    }

    u32 ScaleUp(u32 value) const {
        if (value == 0U) {
            return 0U;
        }
        return std::max((value * up_scale) >> down_shift, 1U);
    }
};

// Instantiate the classes elsewhere (settings.cpp) to reduce compiler/linker work
#define SETTING(TYPE, RANGED) extern template class Setting<TYPE, RANGED>
#define SWITCHABLE(TYPE, RANGED) extern template class SwitchableSetting<TYPE, RANGED>

SETTING(AudioEngine, false);
SETTING(bool, false);
SETTING(int, false);
SETTING(s32, false);
SETTING(std::string, false);
SETTING(std::string, false);
SETTING(u16, false);
SWITCHABLE(AnisotropyMode, true);
SWITCHABLE(AntiAliasing, false);
SWITCHABLE(AspectRatio, true);
SWITCHABLE(AstcDecodeMode, true);
SWITCHABLE(AstcRecompression, true);
SWITCHABLE(AudioMode, true);
SWITCHABLE(CpuAccuracy, true);
SWITCHABLE(FullscreenMode, true);
SWITCHABLE(GpuAccuracy, true);
SWITCHABLE(Language, true);
SWITCHABLE(NvdecEmulation, false);
SWITCHABLE(Region, true);
SWITCHABLE(RendererBackend, true);
SWITCHABLE(ScalingFilter, false);
SWITCHABLE(ShaderBackend, true);
SWITCHABLE(TimeZone, true);
SETTING(VSyncMode, true);
SWITCHABLE(bool, false);
SWITCHABLE(int, false);
SWITCHABLE(int, true);
SWITCHABLE(s64, false);
SWITCHABLE(u16, true);
SWITCHABLE(u32, false);
SWITCHABLE(u8, false);
SWITCHABLE(u8, true);

#undef SETTING
#undef SWITCHABLE

/**
 * The InputSetting class allows for getting a reference to either the global or custom members.
 * This is required as we cannot easily modify the values of user-defined types within containers
 * using the SetValue() member function found in the Setting class. The primary purpose of this
 * class is to store an array of 10 PlayerInput structs for both the global and custom setting and
 * allows for easily accessing and modifying both settings.
 */
template <typename Type>
class InputSetting final {
public:
    InputSetting() = default;
    explicit InputSetting(Type val) : Setting<Type>(val) {}
    ~InputSetting() = default;
    void SetGlobal(bool to_global) {
        use_global = to_global;
    }
    [[nodiscard]] bool UsingGlobal() const {
        return use_global;
    }
    [[nodiscard]] Type& GetValue(bool need_global = false) {
        if (use_global || need_global) {
            return global;
        }
        return custom;
    }

private:
    bool use_global{true}; ///< The setting's global state
    Type global{};         ///< The setting
    Type custom{};         ///< The custom setting value
};

struct TouchFromButtonMap {
    std::string name;
    std::vector<std::string> buttons;
};

struct Values {
    Linkage linkage{};

    // Audio
    Setting<AudioEngine> sink_id{linkage, AudioEngine::Auto, "output_engine", Category::Audio};
    Setting<std::string> audio_output_device_id{linkage, "auto", "output_device", Category::Audio};
    Setting<std::string> audio_input_device_id{linkage, "auto", "input_device", Category::Audio};
    SwitchableSetting<AudioMode, true> sound_index{linkage,         AudioMode::Stereo,
                                                   AudioMode::Mono, AudioMode::Surround,
                                                   "sound_index",   Category::SystemAudio};
    SwitchableSetting<u8, true> volume{linkage, 100, 0, 200, "volume", Category::Audio, true, true};
    Setting<bool, false> audio_muted{linkage, false, "audio_muted", Category::Audio, false};
    Setting<bool, false> dump_audio_commands{linkage, false, "dump_audio_commands", Category::Audio,
                                             false};

    // Core
    SwitchableSetting<bool> use_multi_core{linkage, true, "use_multi_core", Category::Core};
    SwitchableSetting<bool> use_unsafe_extended_memory_layout{
        linkage, false, "use_unsafe_extended_memory_layout", Category::Core};

    // Cpu
    SwitchableSetting<CpuAccuracy, true> cpu_accuracy{linkage,           CpuAccuracy::Auto,
                                                      CpuAccuracy::Auto, CpuAccuracy::Paranoid,
                                                      "cpu_accuracy",    Category::Cpu};
    // TODO: remove cpu_accuracy_first_time, migration setting added 8 July 2021
    Setting<bool> cpu_accuracy_first_time{linkage, true, "cpu_accuracy_first_time", Category::Cpu};
    Setting<bool> cpu_debug_mode{linkage, false, "cpu_debug_mode", Category::CpuDebug};

    Setting<bool> cpuopt_page_tables{linkage, true, "cpuopt_page_tables", Category::CpuDebug};
    Setting<bool> cpuopt_block_linking{linkage, true, "cpuopt_block_linking", Category::CpuDebug};
    Setting<bool> cpuopt_return_stack_buffer{linkage, true, "cpuopt_return_stack_buffer",
                                             Category::CpuDebug};
    Setting<bool> cpuopt_fast_dispatcher{linkage, true, "cpuopt_fast_dispatcher",
                                         Category::CpuDebug};
    Setting<bool> cpuopt_context_elimination{linkage, true, "cpuopt_context_elimination",
                                             Category::CpuDebug};
    Setting<bool> cpuopt_const_prop{linkage, true, "cpuopt_const_prop", Category::CpuDebug};
    Setting<bool> cpuopt_misc_ir{linkage, true, "cpuopt_misc_ir", Category::CpuDebug};
    Setting<bool> cpuopt_reduce_misalign_checks{linkage, true, "cpuopt_reduce_misalign_checks",
                                                Category::CpuDebug};
    Setting<bool> cpuopt_fastmem{linkage, true, "cpuopt_fastmem", Category::CpuDebug};
    Setting<bool> cpuopt_fastmem_exclusives{linkage, true, "cpuopt_fastmem_exclusives",
                                            Category::CpuDebug};
    Setting<bool> cpuopt_recompile_exclusives{linkage, true, "cpuopt_recompile_exclusives",
                                              Category::CpuDebug};
    Setting<bool> cpuopt_ignore_memory_aborts{linkage, true, "cpuopt_ignore_memory_aborts",
                                              Category::CpuDebug};

    SwitchableSetting<bool> cpuopt_unsafe_unfuse_fma{linkage, true, "cpuopt_unsafe_unfuse_fma",
                                                     Category::CpuUnsafe};
    SwitchableSetting<bool> cpuopt_unsafe_reduce_fp_error{
        linkage, true, "cpuopt_unsafe_reduce_fp_error", Category::CpuUnsafe};
    SwitchableSetting<bool> cpuopt_unsafe_ignore_standard_fpcr{
        linkage, true, "cpuopt_unsafe_ignore_standard_fpcr", Category::CpuUnsafe};
    SwitchableSetting<bool> cpuopt_unsafe_inaccurate_nan{
        linkage, true, "cpuopt_unsafe_inaccurate_nan", Category::CpuUnsafe};
    SwitchableSetting<bool> cpuopt_unsafe_fastmem_check{
        linkage, true, "cpuopt_unsafe_fastmem_check", Category::CpuUnsafe};
    SwitchableSetting<bool> cpuopt_unsafe_ignore_global_monitor{
        linkage, true, "cpuopt_unsafe_ignore_global_monitor", Category::CpuUnsafe};

    // Renderer
    SwitchableSetting<RendererBackend, true> renderer_backend{
        linkage,   RendererBackend::Vulkan, RendererBackend::OpenGL, RendererBackend::Null,
        "backend", Category::Renderer};
    SwitchableSetting<ShaderBackend, true> shader_backend{
        linkage,          ShaderBackend::Glsl, ShaderBackend::Glsl, ShaderBackend::SpirV,
        "shader_backend", Category::Renderer};
    SwitchableSetting<int> vulkan_device{linkage, 0, "vulkan_device", Category::Renderer};

    SwitchableSetting<bool> use_disk_shader_cache{linkage, true, "use_disk_shader_cache",
                                                  Category::Renderer};
    SwitchableSetting<bool> use_asynchronous_gpu_emulation{
        linkage, true, "use_asynchronous_gpu_emulation", Category::Renderer};
    SwitchableSetting<bool> use_speed_limit{linkage, true, "use_speed_limit", Category::Renderer,
                                            false,   true};
    SwitchableSetting<u16, true> speed_limit{
        linkage, 100, 0, 9999, "speed_limit", Category::Renderer, true, true};
    SwitchableSetting<AstcDecodeMode, true> accelerate_astc{linkage,
                                                            AstcDecodeMode::Cpu,
                                                            AstcDecodeMode::Cpu,
                                                            AstcDecodeMode::CpuAsynchronous,
                                                            "accelerate_astc",
                                                            Category::Renderer};
    Setting<VSyncMode, true> vsync_mode{linkage,
                                        VSyncMode::Fifo,
                                        VSyncMode::Immediate,
                                        VSyncMode::FifoRelaxed,
                                        "use_vsync",
                                        Category::Renderer,
                                        true,
                                        true};
    SwitchableSetting<NvdecEmulation> nvdec_emulation{linkage, NvdecEmulation::Gpu,
                                                      "nvdec_emulation", Category::Renderer};
    // *nix platforms may have issues with the borderless windowed fullscreen mode.
    // Default to exclusive fullscreen on these platforms for now.
    SwitchableSetting<FullscreenMode, true> fullscreen_mode{linkage,
#ifdef _WIN32
                                                            FullscreenMode::Borderless,
#else
                                                            FullscreenMode::Exclusive,
#endif
                                                            FullscreenMode::Borderless,
                                                            FullscreenMode::Exclusive,
                                                            "fullscreen_mode",
                                                            Category::Renderer,
                                                            true,
                                                            true};
    SwitchableSetting<AspectRatio, true> aspect_ratio{linkage,
                                                      AspectRatio::R16_9,
                                                      AspectRatio::R16_9,
                                                      AspectRatio::Stretch,
                                                      "aspect_ratio",
                                                      Category::Renderer,
                                                      true,
                                                      true};

    ResolutionScalingInfo resolution_info{};
    SwitchableSetting<ResolutionSetup> resolution_setup{linkage, ResolutionSetup::Res1X,
                                                        "resolution_setup", Category::Renderer};
    SwitchableSetting<ScalingFilter> scaling_filter{
        linkage, ScalingFilter::Bilinear, "scaling_filter", Category::Renderer, true, true};
    SwitchableSetting<AntiAliasing> anti_aliasing{
        linkage, AntiAliasing::None, "anti_aliasing", Category::Renderer, true, true};
    SwitchableSetting<int, true> fsr_sharpening_slider{
        linkage, 25, 0, 200, "fsr_sharpening_slider", Category::Renderer, true, true};

    SwitchableSetting<u8, false> bg_red{linkage, 0, "bg_red", Category::Renderer, true, true};
    SwitchableSetting<u8, false> bg_green{linkage, 0, "bg_green", Category::Renderer, true, true};
    SwitchableSetting<u8, false> bg_blue{linkage, 0, "bg_blue", Category::Renderer, true, true};

    SwitchableSetting<GpuAccuracy, true> gpu_accuracy{linkage,
                                                      GpuAccuracy::High,
                                                      GpuAccuracy::Normal,
                                                      GpuAccuracy::Extreme,
                                                      "gpu_accuracy",
                                                      Category::RendererAdvanced,
                                                      true,
                                                      true};
    SwitchableSetting<AnisotropyMode, true> max_anisotropy{
        linkage,          AnisotropyMode::Automatic, AnisotropyMode::Automatic, AnisotropyMode::X16,
        "max_anisotropy", Category::RendererAdvanced};
    SwitchableSetting<AstcRecompression, true> astc_recompression{linkage,
                                                                  AstcRecompression::Uncompressed,
                                                                  AstcRecompression::Uncompressed,
                                                                  AstcRecompression::Bc3,
                                                                  "astc_recompression",
                                                                  Category::RendererAdvanced};
    SwitchableSetting<bool> async_presentation{linkage, false, "async_presentation",
                                               Category::RendererAdvanced};
    SwitchableSetting<bool> renderer_force_max_clock{linkage, false, "force_max_clock",
                                                     Category::RendererAdvanced};
    SwitchableSetting<bool> use_reactive_flushing{linkage, true, "use_reactive_flushing",
                                                  Category::RendererAdvanced};
    SwitchableSetting<bool> use_asynchronous_shaders{linkage, false, "use_asynchronous_shaders",
                                                     Category::RendererAdvanced};
    SwitchableSetting<bool> use_fast_gpu_time{
        linkage, true, "use_fast_gpu_time", Category::RendererAdvanced, true, true};
    SwitchableSetting<bool> use_vulkan_driver_pipeline_cache{
        linkage, true, "use_vulkan_driver_pipeline_cache", Category::RendererAdvanced, true, true};
    SwitchableSetting<bool> enable_compute_pipelines{linkage, false, "enable_compute_pipelines",
                                                     Category::RendererAdvanced};
    SwitchableSetting<bool> use_video_framerate{linkage, false, "use_video_framerate",
                                                Category::RendererAdvanced};
    SwitchableSetting<bool> barrier_feedback_loops{linkage, true, "barrier_feedback_loops",
                                                   Category::RendererAdvanced};

    Setting<bool> renderer_debug{linkage, false, "debug", Category::RendererDebug};
    Setting<bool> renderer_shader_feedback{linkage, false, "shader_feedback",
                                           Category::RendererDebug};
    Setting<bool> enable_nsight_aftermath{linkage, false, "nsight_aftermath",
                                          Category::RendererDebug};
    Setting<bool> disable_shader_loop_safety_checks{
        linkage, false, "disable_shader_loop_safety_checks", Category::RendererDebug};

    // System
    SwitchableSetting<Language, true> language_index{linkage,
                                                     Language::EnglishAmerican,
                                                     Language::Japanese,
                                                     Language::PortugueseBrazilian,
                                                     "language_index",
                                                     Category::System};
    SwitchableSetting<Region, true> region_index{linkage,        Region::Usa,    Region::Japan,
                                                 Region::Taiwan, "region_index", Category::System};
    SwitchableSetting<TimeZone, true> time_zone_index{linkage,           TimeZone::Auto,
                                                      TimeZone::Auto,    TimeZone::Zulu,
                                                      "time_zone_index", Category::System};
    // Measured in seconds since epoch
    SwitchableSetting<bool> custom_rtc_enabled{linkage,          false, "custom_rtc_enabled",
                                               Category::System, true,  true};
    SwitchableSetting<s64> custom_rtc{linkage, 0, "custom_rtc", Category::System, true, true};
    // Set on game boot, reset on stop. Seconds difference between current time and `custom_rtc`
    s64 custom_rtc_differential;
    SwitchableSetting<bool> rng_seed_enabled{linkage,          false, "rng_seed_enabled",
                                             Category::System, true,  true};
    SwitchableSetting<u32> rng_seed{linkage, 0, "rng_seed", Category::System, true, true};
    Setting<std::string> device_name{linkage, "yuzu", "device_name", Category::System, true, true};

    Setting<s32> current_user{linkage, 0, "current_user", Category::System};

    SwitchableSetting<bool> use_docked_mode{linkage, true, "use_docked_mode", Category::System};

    // Controls
    InputSetting<std::array<PlayerInput, 10>> players;

    Setting<bool> enable_raw_input{linkage, false, "enable_raw_input", Category::Controls,
// Only read/write enable_raw_input on Windows platforms
#ifdef _WIN32
                                   true
#else
                                   false
#endif
    };
    Setting<bool> controller_navigation{linkage, true, "controller_navigation", Category::Controls};
    Setting<bool> enable_joycon_driver{linkage, true, "enable_joycon_driver", Category::Controls};
    Setting<bool> enable_procon_driver{linkage, false, "enable_procon_driver", Category::Controls};

    SwitchableSetting<bool> vibration_enabled{linkage, true, "vibration_enabled",
                                              Category::Controls};
    SwitchableSetting<bool> enable_accurate_vibrations{linkage, false, "enable_accurate_vibrations",
                                                       Category::Controls};

    SwitchableSetting<bool> motion_enabled{linkage, true, "motion_enabled", Category::Controls};
    Setting<std::string> udp_input_servers{linkage, "127.0.0.1:26760", "udp_input_servers",
                                           Category::Controls};
    Setting<bool> enable_udp_controller{linkage, false, "enable_udp_controller",
                                        Category::Controls};

    Setting<bool> pause_tas_on_load{linkage, true, "pause_tas_on_load", Category::Controls};
    Setting<bool> tas_enable{linkage, false, "tas_enable", Category::Controls};
    Setting<bool> tas_loop{linkage, false, "tas_loop", Category::Controls};

    Setting<bool> mouse_panning{linkage, false, "mouse_panning", Category::Controls, false};
    Setting<u8, true> mouse_panning_sensitivity{
        linkage, 50, 1, 100, "mouse_panning_sensitivity", Category::Controls};
    Setting<bool> mouse_enabled{linkage, false, "mouse_enabled", Category::Controls};

    Setting<u8, true> mouse_panning_x_sensitivity{
        linkage, 50, 1, 100, "mouse_panning_x_sensitivity", Category::Controls};
    Setting<u8, true> mouse_panning_y_sensitivity{
        linkage, 50, 1, 100, "mouse_panning_y_sensitivity", Category::Controls};
    Setting<u8, true> mouse_panning_deadzone_counterweight{
        linkage, 20, 0, 100, "mouse_panning_deadzone_counterweight", Category::Controls};
    Setting<u8, true> mouse_panning_decay_strength{
        linkage, 18, 0, 100, "mouse_panning_decay_strength", Category::Controls};
    Setting<u8, true> mouse_panning_min_decay{
        linkage, 6, 0, 100, "mouse_panning_min_decay", Category::Controls};

    Setting<bool> emulate_analog_keyboard{linkage, false, "emulate_analog_keyboard",
                                          Category::Controls};
    Setting<bool> keyboard_enabled{linkage, false, "keyboard_enabled", Category::Controls};

    Setting<bool> debug_pad_enabled{linkage, false, "debug_pad_enabled", Category::Controls};
    ButtonsRaw debug_pad_buttons;
    AnalogsRaw debug_pad_analogs;

    TouchscreenInput touchscreen;

    Setting<std::string> touch_device{linkage, "min_x:100,min_y:50,max_x:1800,max_y:850",
                                      "touch_device", Category::Controls};
    Setting<int> touch_from_button_map_index{linkage, 0, "touch_from_button_map",
                                             Category::Controls};
    std::vector<TouchFromButtonMap> touch_from_button_maps;

    Setting<bool> enable_ring_controller{linkage, true, "enable_ring_controller",
                                         Category::Controls};
    RingconRaw ringcon_analogs;

    Setting<bool> enable_ir_sensor{linkage, false, "enable_ir_sensor", Category::Controls};
    Setting<std::string> ir_sensor_device{linkage, "auto", "ir_sensor_device", Category::Controls};

    Setting<bool> random_amiibo_id{linkage, false, "random_amiibo_id", Category::Controls};

    // Data Storage
    Setting<bool> use_virtual_sd{linkage, true, "use_virtual_sd", Category::DataStorage};
    Setting<bool> gamecard_inserted{linkage, false, "gamecard_inserted", Category::DataStorage};
    Setting<bool> gamecard_current_game{linkage, false, "gamecard_current_game",
                                        Category::DataStorage};
    Setting<std::string> gamecard_path{linkage, std::string(), "gamecard_path",
                                       Category::DataStorage};

    // Debugging
    bool record_frame_times;
    Setting<bool> use_gdbstub{linkage, false, "use_gdbstub", Category::Debugging};
    Setting<u16> gdbstub_port{linkage, 6543, "gdbstub_port", Category::Debugging};
    Setting<std::string> program_args{linkage, std::string(), "program_args", Category::Debugging};
    Setting<bool> dump_exefs{linkage, false, "dump_exefs", Category::Debugging};
    Setting<bool> dump_nso{linkage, false, "dump_nso", Category::Debugging};
    Setting<bool> dump_shaders{linkage, false, "dump_shaders", Category::DebuggingGraphics, false};
    Setting<bool> dump_macros{linkage, false, "dump_macros", Category::DebuggingGraphics, false};
    Setting<bool> enable_fs_access_log{linkage, false, "enable_fs_access_log", Category::Debugging};
    Setting<bool> reporting_services{linkage, false, "reporting_services", Category::Debugging,
                                     false};
    Setting<bool> quest_flag{linkage, false, "quest_flag", Category::Debugging};
    Setting<bool> disable_macro_jit{linkage, false, "disable_macro_jit",
                                    Category::DebuggingGraphics};
    Setting<bool> disable_macro_hle{linkage, false, "disable_macro_hle",
                                    Category::DebuggingGraphics};
    Setting<bool> extended_logging{linkage, false, "extended_logging", Category::Debugging, false};
    Setting<bool> use_debug_asserts{linkage, false, "use_debug_asserts", Category::Debugging};
    Setting<bool> use_auto_stub{linkage, false, "use_auto_stub", Category::Debugging, false};
    Setting<bool> enable_all_controllers{linkage, false, "enable_all_controllers",
                                         Category::Debugging};
    Setting<bool> create_crash_dumps{linkage, false, "create_crash_dumps", Category::Debugging};
    Setting<bool> perform_vulkan_check{linkage, true, "perform_vulkan_check", Category::Debugging};

    // Miscellaneous
    Setting<std::string> log_filter{linkage, "*:Info", "log_filter", Category::Miscellaneous};
    Setting<bool> use_dev_keys{linkage, false, "use_dev_keys", Category::Miscellaneous};

    // Network
    Setting<std::string> network_interface{linkage, std::string(), "network_interface",
                                           Category::Network};

    // WebService
    Setting<bool> enable_telemetry{linkage, true, "enable_telemetry", Category::WebService};
    Setting<std::string> web_api_url{linkage, "https://api.yuzu-emu.org", "web_api_url",
                                     Category::WebService};
    Setting<std::string> yuzu_username{linkage, std::string(), "yuzu_username",
                                       Category::WebService};
    Setting<std::string> yuzu_token{linkage, std::string(), "yuzu_token", Category::WebService};

    // Add-Ons
    std::map<u64, std::vector<std::string>> disabled_addons;
};

extern Values values;

bool IsConfiguringGlobal();
void SetConfiguringGlobal(bool is_global);

bool IsGPULevelExtreme();
bool IsGPULevelHigh();

bool IsFastmemEnabled();

float Volume();

std::string GetTimeZoneString();

void LogSettings();

void UpdateRescalingInfo();

// Restore the global state of all applicable settings in the Values struct
void RestoreGlobalState(bool is_powered_on);

} // namespace Settings