using System;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

namespace HotUpdate.UI
{
    /// <summary>
    /// UI_MainHUD 运行时绑定。
    /// </summary>
    public sealed class MainHudView : MonoBehaviour
    {
        public const string PrefabName = "UI_MainHUD";

        TextMeshProUGUI _status;
        TextMeshProUGUI _pid;
        GameObject _reconnectPanel;
        TextMeshProUGUI _reconnectText;
        Button _reconnectBtn;

        public event Action OnReconnectClicked;

        public void Bind()
        {
            _status = FindTmp("Txt_Status");
            _pid = FindTmp("Txt_Pid");
            var panel = transform.Find("Panel_Reconnect");
            _reconnectPanel = panel != null ? panel.gameObject : null;
            _reconnectText = FindTmp("Txt_Reconnect");
            var btnTf = transform.Find("Panel_Reconnect/Btn_Reconnect");
            _reconnectBtn = btnTf != null ? btnTf.GetComponent<Button>() : null;
            if (_reconnectBtn != null)
            {
                _reconnectBtn.onClick.RemoveAllListeners();
                _reconnectBtn.onClick.AddListener(() => OnReconnectClicked?.Invoke());
            }
            ShowReconnect(false);
        }

        public void SetStatus(string text)
        {
            if (_status != null) _status.text = text ?? string.Empty;
        }

        public void SetPid(long pid)
        {
            if (_pid != null) _pid.text = pid > 0 ? $"pid={pid}" : "pid=-";
        }

        public void ShowReconnect(bool visible, string message = null)
        {
            if (_reconnectPanel != null) _reconnectPanel.SetActive(visible);
            if (visible && _reconnectText != null && !string.IsNullOrEmpty(message))
                _reconnectText.text = message;
        }

        TextMeshProUGUI FindTmp(string path)
        {
            var t = transform.Find(path);
            if (t == null)
            {
                // 深层查找
                var all = GetComponentsInChildren<TextMeshProUGUI>(true);
                foreach (var c in all)
                    if (c.name == path) return c;
                return null;
            }
            return t.GetComponent<TextMeshProUGUI>();
        }
    }
}