// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#pragma once

#include <string>
#include <array>
#include "common/common_types.h"
#include "common/string_util.h"

namespace Settings {
    namespace NativeInput {
        enum Values {
            // directly mapped keys
            A, B, X, Y,
            L, R, ZL, ZR,
            START, SELECT, HOME,
            DUP, DDOWN, DLEFT, DRIGHT,
            CUP, CDOWN, CLEFT, CRIGHT,

            // indirectly mapped keys
            CIRCLE_UP, CIRCLE_DOWN, CIRCLE_LEFT, CIRCLE_RIGHT,

            NUM_INPUTS
        };
        static const std::array<const char*, NUM_INPUTS> Mapping = { {
                // directly mapped keys
                "pad_a", "pad_b", "pad_x", "pad_y",
                "pad_l", "pad_r", "pad_zl", "pad_zr",
                "pad_start", "pad_select", "pad_home",
                "pad_dup", "pad_ddown", "pad_dleft", "pad_dright",
                "pad_cup", "pad_cdown", "pad_cleft", "pad_cright",

                // indirectly mapped keys
                "pad_circle_up", "pad_circle_down", "pad_circle_left", "pad_circle_right"
            } };
        static const std::array<Values, NUM_INPUTS> All = { {
            A, B, X, Y,
            L, R, ZL, ZR,
            START, SELECT, HOME,
            DUP, DDOWN, DLEFT, DRIGHT,
            CUP, CDOWN, CLEFT, CRIGHT,
            CIRCLE_UP, CIRCLE_DOWN, CIRCLE_LEFT, CIRCLE_RIGHT
        } };
    }

    enum class DeviceFramework {
        Qt, SDL
    };
    enum class Device {
        Keyboard, Gamepad
    };
    struct InputDeviceMapping {
        DeviceFramework framework;
        int number;
        Device device;
        std::string key;
        InputDeviceMapping() {
            this->framework = DeviceFramework::Qt;
            this->number = 0;
            this->device = Device::Keyboard;
            this->key = "";
        }
        InputDeviceMapping(std::string input) {
            std::vector<std::string> parts;
            Common::SplitString(input, '/', parts);
            if (parts.size() == 4) {
                if (parts[0] == "Qt")
                    this->framework = DeviceFramework::Qt;
                else if (parts[0] == "SDL")
                    this->framework = DeviceFramework::SDL;

                this->number = std::stoi(parts[1]);

                if (parts[2] == "Keyboard")
                    this->device = Device::Keyboard;
                else if (parts[2] == "Gamepad")
                    this->device = Device::Gamepad;
                this->key = parts[3];
            }
            else {
                //default if can't read properly
                this->framework = DeviceFramework::Qt;
                this->number = 0;
                this->device = Device::Keyboard;
                this->key = "";
            }
        }

        bool operator==(const InputDeviceMapping& rhs) const {
            return (this->device == rhs.device) && (this->framework == rhs.framework) && (this->number == rhs.number);
        }
        std::string Save() {
            std::string result = "";
            if (this->framework == DeviceFramework::Qt)
                result = "Qt";
            else if (this->framework == DeviceFramework::SDL)
                result = "SDL";

            result += "/";
            result += std::to_string(this->number);
            result += "/";

            if (this->device == Device::Keyboard)
                result += "Keyboard";
            else if (this->device == Device::Gamepad)
                result += "Gamepad";
            result += "/";
            result += this->key;
            return result;
        }
    };

    struct Values {
        // CheckNew3DS
        bool is_new_3ds;

        // Controls
        std::array<InputDeviceMapping, NativeInput::NUM_INPUTS> input_mappings;
        float pad_circle_modifier_scale;

        // Core
        int frame_skip;

        // Data Storage
        bool use_virtual_sd;

        // System Region
        int region_value;

        // Renderer
        bool use_hw_renderer;
        bool use_shader_jit;
        bool use_scaled_resolution;

        float bg_red;
        float bg_green;
        float bg_blue;

        std::string log_filter;

        // Audio
        std::string sink_id;

        // Debugging
        bool use_gdbstub;
        u16 gdbstub_port;
    } extern values;

    void Apply();
}