using System;
using System.Linq;
using AlicizaX;
using AlicizaX.InputGlyph;
using UnityEngine;
using TMPro;
using UnityEngine.InputSystem;

[RequireComponent(typeof(TextMeshProUGUI))]
public class InputGlyphText : MonoBehaviour
{
    [SerializeField] private InputActionReference actionReference;
    private TMP_Text textField;
    void OnEnable()
    {
        if (textField == null) textField = GetComponent<TMP_Text>();
        InputDeviceWatcher.OnDeviceChanged += OnDeviceChanged;
        UpdatePrompt();
    }

    void OnDisable()
    {
        InputDeviceWatcher.OnDeviceChanged -= OnDeviceChanged;
    }

    void OnBindingChanged(InputAction action, int idx)
    {
        if (actionReference == null || actionReference.action == null) return;
        if (action == actionReference.action) UpdatePrompt();
    }

    void OnDeviceChanged(InputDeviceWatcher.InputDeviceCategory cat)
    {
        UpdatePrompt();
    }

    void UpdatePrompt()
    {
        if (actionReference == null || actionReference.action == null || textField == null) return;
        var action = actionReference.action;

        string path = GlyphService.GetBindingControlPath(action);
        var device = InputDeviceWatcher.CurrentCategory;
        string displayFallback = string.Empty;
        string oldText = textField.text;
        if (GlyphService.TryGetTMPTagForActionPath(path, device, out string tag, out displayFallback))
        {
            textField.text = Utility.Text.Format(oldText, tag);
            return;
        }

        textField.text =  Utility.Text.Format(oldText, displayFallback);;
    }
}