// GameInputManager.cs
using UnityEngine;
using System.Collections.Generic;

public class GameInputManager : MonoBehaviour
{
    private static GameInputManager _instance;
    public static GameInputManager Instance => _instance;

    public bool isUsingGamepad { get; private set; }

    [SerializeField] private float gamepadDetectionThreshold = 0.1f;

    private Dictionary<string, GameInputBinding> inputBindings = new Dictionary<string, GameInputBinding>();

    private void Awake()
    {
        if (_instance != null && _instance != this)
        {
            Destroy(gameObject);
            return;
        }
        _instance = this;
        DontDestroyOnLoad(gameObject);

        LoadInputBindings();
    }

    private void Update()
    {
        DetectInputMethod();
    }

    private void DetectInputMethod()
    {
        // Check gamepad input
        bool gamepadInput =
            Mathf.Abs(Input.GetAxis(GameConstants.Input.HorizontalAxis)) > gamepadDetectionThreshold ||
            Mathf.Abs(Input.GetAxis(GameConstants.Input.VerticalAxis)) > gamepadDetectionThreshold ||
            Mathf.Abs(Input.GetAxis(GameConstants.Input.AimHorizontalAxis)) > gamepadDetectionThreshold ||
            Mathf.Abs(Input.GetAxis(GameConstants.Input.AimVerticalAxis)) > gamepadDetectionThreshold ||
            Input.GetAxis(GameConstants.Input.RightTrigger) > gamepadDetectionThreshold ||
            Input.GetAxis(GameConstants.Input.LeftTrigger) > gamepadDetectionThreshold;

        if (gamepadInput)
        {
            isUsingGamepad = true;
        }
        else if (Input.GetMouseButtonDown(0) || Input.GetMouseButtonDown(1) || Input.anyKeyDown)
        {
            isUsingGamepad = false;
        }
    }

    private void LoadInputBindings()
    {
        var bindings = Resources.LoadAll<GameInputBinding>("InputBindings");
        foreach (var binding in bindings)
        {
            inputBindings[binding.bindingName] = binding;
            Debug.Log(binding.bindingName);
        }
    }

    public float GetValue(string bindingName)
    {
        if (inputBindings.TryGetValue(bindingName, out GameInputBinding binding))
            return binding.GetValue();
        return 0f;
    }

    public bool GetButtonDown(string bindingName)
    {
        if (inputBindings.TryGetValue(bindingName, out GameInputBinding binding))
            return binding.GetButtonDown();
        return false;
    }

    public bool GetButton(string bindingName)
    {
        if (inputBindings.TryGetValue(bindingName, out GameInputBinding binding))
            return binding.GetButton();
        return false;
    }

    public bool GetButtonUp(string bindingName)
    {
        if (inputBindings.TryGetValue(bindingName, out GameInputBinding binding))
            return binding.GetButtonUp();
        return false;
    }
}