using TMPro;
using UnityEngine;
using UnityEngine.UI;
using UnityGameFramework.Runtime;

namespace UI
{
    public sealed class AIChatEntryForm : UGuiForm
    {
        [SerializeField] private Button _entryButton;
        [SerializeField] private TMP_Text _entryLabel;
        [SerializeField] private string _openLabel = "问 AI";
        [SerializeField] private string _closeLabel = "关闭 AI";

        private AIChatEntryFormController _controller;

        protected override void OnOpen(object userData)
        {
            base.OnOpen(userData);
            BindEntryButton();

            if (!(userData is AIChatEntryFormContext context))
            {
                Log.Error("AIChatEntryFormContext is invalid.");
                return;
            }

            RefreshUI(context);
        }

        protected override void OnClose(bool isShutdown, object userData)
        {
            UnbindEntryButton();
            _controller = null;
            base.OnClose(isShutdown, userData);
        }

        public void RefreshUI(AIChatEntryFormContext context)
        {
            if (context == null)
            {
                return;
            }

            _controller = context.Controller;
            SetChatOpened(context.IsChatOpened);
        }

        public void SetChatOpened(bool isChatOpened)
        {
            if (_entryLabel == null)
            {
                return;
            }

            _entryLabel.text = isChatOpened ? _closeLabel : _openLabel;
        }

        public void OnEntryButtonClick()
        {
            _controller?.ToggleAIChatForm();
        }

        private void BindEntryButton()
        {
            if (_entryButton == null)
            {
                Log.Warning("AIChatEntryForm entry button is not assigned.");
                return;
            }

            _entryButton.onClick.RemoveListener(OnEntryButtonClick);
            _entryButton.onClick.AddListener(OnEntryButtonClick);
        }

        private void UnbindEntryButton()
        {
            if (_entryButton == null)
            {
                return;
            }

            _entryButton.onClick.RemoveListener(OnEntryButtonClick);
        }
    }
}