using Avalonia.Data.Converters;
using Ryujinx.Ava.Common.Locale;
using Ryujinx.Common.Configuration.Hid;
using Ryujinx.Common.Configuration.Hid.Controller;
using System;
using System.Collections.Generic;
using System.Globalization;
using Key = Ryujinx.Input.Key;

namespace Ryujinx.Ava.UI.Helpers
{
    internal class KeyValueConverter : IValueConverter
    {
        public static readonly KeyValueConverter Instance = new();

        private static readonly Dictionary<GamepadInputId, LocaleKeys> _gamepadInputIdMap = new()
        {
            { GamepadInputId.LeftStick, LocaleKeys.GamepadLeftStick },
            { GamepadInputId.RightStick, LocaleKeys.GamepadRightStick },
            { GamepadInputId.LeftShoulder, LocaleKeys.GamepadLeftShoulder },
            { GamepadInputId.RightShoulder, LocaleKeys.GamepadRightShoulder },
            { GamepadInputId.LeftTrigger, LocaleKeys.GamepadLeftTrigger },
            { GamepadInputId.RightTrigger, LocaleKeys.GamepadRightTrigger },
            { GamepadInputId.DpadUp, LocaleKeys.GamepadDpadUp},
            { GamepadInputId.DpadDown, LocaleKeys.GamepadDpadDown},
            { GamepadInputId.DpadLeft, LocaleKeys.GamepadDpadLeft},
            { GamepadInputId.DpadRight, LocaleKeys.GamepadDpadRight},
            { GamepadInputId.Minus, LocaleKeys.GamepadMinus},
            { GamepadInputId.Plus, LocaleKeys.GamepadPlus},
            { GamepadInputId.Guide, LocaleKeys.GamepadGuide},
            { GamepadInputId.Misc1, LocaleKeys.GamepadMisc1},
            { GamepadInputId.Paddle1, LocaleKeys.GamepadPaddle1},
            { GamepadInputId.Paddle2, LocaleKeys.GamepadPaddle2},
            { GamepadInputId.Paddle3, LocaleKeys.GamepadPaddle3},
            { GamepadInputId.Paddle4, LocaleKeys.GamepadPaddle4},
            { GamepadInputId.Touchpad, LocaleKeys.GamepadTouchpad},
            { GamepadInputId.SingleLeftTrigger0, LocaleKeys.GamepadSingleLeftTrigger0},
            { GamepadInputId.SingleRightTrigger0, LocaleKeys.GamepadSingleRightTrigger0},
            { GamepadInputId.SingleLeftTrigger1, LocaleKeys.GamepadSingleLeftTrigger1},
            { GamepadInputId.SingleRightTrigger1, LocaleKeys.GamepadSingleRightTrigger1},
            { GamepadInputId.Unbound, LocaleKeys.KeyboardLayout_KeyUnbound},
        };

        private static readonly Dictionary<StickInputId, LocaleKeys> _stickInputIdMap = new()
        {
            { StickInputId.Left, LocaleKeys.StickLeft},
            { StickInputId.Right, LocaleKeys.StickRight},
            { StickInputId.Unbound, LocaleKeys.KeyboardLayout_KeyUnbound},
        };

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            string keyString = string.Empty;

            switch (value)
            {
                case Key key:
                    if (KeyboardLayoutLocaleHelper.TryGetSemanticLabel(key, out string localizedKeyLabel))
                    {
                        keyString = localizedKeyLabel;
                    }
                    else
                    {
                        keyString = key.ToString();
                    }

                    break;
                case PhysicalKey physicalKey:
                    keyString = PhysicalKeyLabelHelper.GetDisplayString(physicalKey);
                    break;
                case GamepadInputId gamepadInputId:
                    LocaleKeys localeKey;
                    if (_gamepadInputIdMap.TryGetValue(gamepadInputId, out localeKey))
                    {
                        keyString = LocaleManager.Instance[localeKey];
                    }
                    else
                    {
                        keyString = gamepadInputId.ToString();
                    }

                    break;
                case StickInputId stickInputId:
                    if (_stickInputIdMap.TryGetValue(stickInputId, out localeKey))
                    {
                        keyString = LocaleManager.Instance[localeKey];
                    }
                    else
                    {
                        keyString = stickInputId.ToString();
                    }

                    break;
            }

            return keyString;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotSupportedException();
        }
    }
}