using UnityEngine;
using System.Collections.Generic;

public class KeyBindingManager : MonoBehaviour
{
    private static Dictionary<string, KeyCode> keyBindings = new Dictionary<string, KeyCode>();

    private void Awake()
    {
        //Debug.Log("KeyBindingManager Awake() 被调用，开始加载按键映射...");

        if (keyBindings.Count == 0)
        {
            LoadKeyBindings();
        }
    }

    /// <summary> 获取颜色对应的按键 </summary>
    public static KeyCode GetKeyForColor(string color)
    {
        if (keyBindings.TryGetValue(color.ToLower(), out KeyCode key))
        {
            return key;
        }
        //Debug.LogError($"未找到颜色 {color} 对应的按键！请检查 KeyBindingManager 是否正确初始化。");
        return KeyCode.None;
    }

    /// <summary> 修改按键绑定 </summary>
    public static void ChangeKeyBinding(string color, KeyCode newKey)
    {
        if (keyBindings.ContainsKey(color.ToLower()))
        {
            keyBindings[color.ToLower()] = newKey;
        }
        else
        {
            keyBindings.Add(color.ToLower(), newKey);
        }

        SaveKeyBindings();
    }

    /// <summary> 存储按键绑定到 `PlayerPrefs` </summary>
    private static void SaveKeyBindings()
    {
        foreach (var kvp in keyBindings)
        {
            PlayerPrefs.SetInt($"KeyBinding_{kvp.Key}", (int)kvp.Value);
        }
        PlayerPrefs.Save();
    }

    /// <summary> 从 `PlayerPrefs` 加载按键绑定 </summary>
    private static void LoadKeyBindings()
    {
        string[] colors = { "red", "green", "yellow", "purple", "blue" }; 
        KeyCode[] defaultKeys = { KeyCode.D, KeyCode.F, KeyCode.Space, KeyCode.J, KeyCode.K };

        for (int i = 0; i < colors.Length; i++)
        {
            if (PlayerPrefs.HasKey($"KeyBinding_{colors[i]}"))
            {
                keyBindings[colors[i]] = (KeyCode)PlayerPrefs.GetInt($"KeyBinding_{colors[i]}");
            }
            else
            {
                keyBindings[colors[i]] = defaultKeys[i];
            }
        }

        //Debug.Log("KeyBindings 初始化成功：" + string.Join(", ", keyBindings));
    }
}