using System;
using System.Threading.Tasks;
using Bansonic;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

public class roomAsk : MonoBehaviour
{
    [Header("UI Elements")]
    [SerializeField] private Button createRoomButton;
    [SerializeField] private TMP_InputField roomCode_inputField;
    [SerializeField] private Button enterRoomButton;
    [SerializeField] private Button quitchoiceButton;

    private Func<Task> _onCreate;
    private Func<string, Task> _onJoin;

    private void Awake()
    {
        EnsurePopupTween();
    }

    public void Bind(Func<Task> onCreate, Func<string, Task> onJoin)
    {
        EnsurePopupTween();

        _onCreate = onCreate;
        _onJoin = onJoin;

        TryAutoBindQuitButton();

        if (createRoomButton != null)
        {
            createRoomButton.onClick.RemoveListener(HandleCreateClicked);
            createRoomButton.onClick.AddListener(HandleCreateClicked);
        }

        if (enterRoomButton != null)
        {
            enterRoomButton.onClick.RemoveListener(HandleJoinClicked);
            enterRoomButton.onClick.AddListener(HandleJoinClicked);
        }

        if (quitchoiceButton != null)
        {
            quitchoiceButton.onClick.RemoveListener(HandleQuitChoiceClicked);
            quitchoiceButton.onClick.AddListener(HandleQuitChoiceClicked);
        }
    }

    private void OnDestroy()
    {
        if (createRoomButton != null)
        {
            createRoomButton.onClick.RemoveListener(HandleCreateClicked);
        }

        if (enterRoomButton != null)
        {
            enterRoomButton.onClick.RemoveListener(HandleJoinClicked);
        }

        if (quitchoiceButton != null)
        {
            quitchoiceButton.onClick.RemoveListener(HandleQuitChoiceClicked);
        }
    }

    private void TryAutoBindQuitButton()
    {
        if (quitchoiceButton != null)
        {
            return;
        }

        Button[] buttons = GetComponentsInChildren<Button>(true);
        foreach (Button button in buttons)
        {
            if (button == null)
            {
                continue;
            }

            string name = button.gameObject.name;
            if (string.Equals(name, "quitchoiceButton", StringComparison.OrdinalIgnoreCase)
                || string.Equals(name, "closeButton", StringComparison.OrdinalIgnoreCase)
                || string.Equals(name, "cancelButton", StringComparison.OrdinalIgnoreCase))
            {
                quitchoiceButton = button;
                return;
            }
        }
    }

    private async void HandleCreateClicked()
    {
        if (_onCreate == null)
        {
            return;
        }

        try
        {
            await _onCreate.Invoke();
        }
        catch (Exception ex)
        {
            Debug.LogWarning($"[roomAsk] Create room failed: {ex.Message}");
            GameServer.Client.NetworkManager.ShowUserFacingNetworkError(ex.Message);
        }
    }

    private async void HandleJoinClicked()
    {
        if (_onJoin == null)
        {
            return;
        }

        string roomCode = roomCode_inputField != null ? roomCode_inputField.text?.Trim() : string.Empty;
        if (string.IsNullOrWhiteSpace(roomCode))
        {
            Debug.LogWarning("[roomAsk] Room code is empty.");
            gNotice.error.display("房间号不能为空");
            return;
        }

        try
        {
            await _onJoin.Invoke(roomCode);
        }
        catch (Exception ex)
        {
            Debug.LogWarning($"[roomAsk] Join room failed: {ex.Message}");
            GameServer.Client.NetworkManager.ShowUserFacingNetworkError(ex.Message);
        }
    }

    private void HandleQuitChoiceClicked()
    {
        CloseSelfWithExitAnim();
    }

    private void CloseSelfWithExitAnim()
    {
        UI_PanelExitUtility.PlayExitThen(gameObject, () =>
        {
            if (gameObject != null)
            {
                Destroy(gameObject);
            }
        });
    }

    private void EnsurePopupTween()
    {
        if (GetComponent<UI_PanelPopupTween>() == null)
        {
            gameObject.AddComponent<UI_PanelPopupTween>();
        }
    }
}