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

namespace HotUpdate.UI
{
    /// <summary>
    /// UI_ConfirmDialog：公告 / 维护 / 通用确认。
    /// </summary>
    public sealed class ConfirmDialogView : MonoBehaviour
    {
        public const string PrefabName = "UI_ConfirmDialog";

        TextMeshProUGUI _title;
        TextMeshProUGUI _message;
        Button _ok;
        Button _cancel;
        Button _close;
        Action _onOk;
        Action _onCancel;

        public void Bind()
        {
            _title = FindTmp("Txt_Title");
            _message = FindTmp("Txt_Message");
            _ok = FindBtn("Btn_Ok");
            _cancel = FindBtn("Btn_Cancel");
            _close = FindBtn("Btn_Close");

            Wire(_ok, () => { _onOk?.Invoke(); Hide(); });
            Wire(_cancel, () => { _onCancel?.Invoke(); Hide(); });
            Wire(_close, () => { _onCancel?.Invoke(); Hide(); });
        }

        public void Show(
            string title,
            string message,
            Action onOk = null,
            Action onCancel = null,
            bool showCancel = false)
        {
            if (_title != null) _title.text = title ?? string.Empty;
            if (_message != null) _message.text = message ?? string.Empty;
            _onOk = onOk;
            _onCancel = onCancel;
            if (_cancel != null) _cancel.gameObject.SetActive(showCancel);
            gameObject.SetActive(true);
        }

        public void Hide()
        {
            gameObject.SetActive(false);
        }

        static void Wire(Button btn, Action action)
        {
            if (btn == null) return;
            btn.onClick.RemoveAllListeners();
            btn.onClick.AddListener(() => action?.Invoke());
        }

        TextMeshProUGUI FindTmp(string name)
        {
            foreach (var c in GetComponentsInChildren<TextMeshProUGUI>(true))
                if (c.name == name) return c;
            return null;
        }

        Button FindBtn(string name)
        {
            foreach (var c in GetComponentsInChildren<Button>(true))
                if (c.name == name) return c;
            return null;
        }
    }
}