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

namespace XGame
{
    public class MatchWaitingController : MonoBehaviour
    {
        private RectTransform spinnerRect;
        private TMP_Text titleText;
        private TMP_Text gameText;
        private TMP_Text statusText;
        private TMP_Text elapsedText;
        private TMP_Text closeText;
        private Button closeButton;
        private string luaModule = "client/baseworld";
        private string currentGameId = string.Empty;
        private float startedAt;
        public Action OnCloseRequested;

        private void Awake()
        {
            CacheControls();
            WireEvents();
            startedAt = Time.realtimeSinceStartup;
            UpdateElapsedText();
        }

        private void Update()
        {
            if (spinnerRect != null)
            {
                spinnerRect.Rotate(0f, 0f, -180f * Time.unscaledDeltaTime);
            }
            if (elapsedText != null && startedAt > 0f)
            {
                UpdateElapsedText();
            }
        }

        public void Bind(string module)
        {
            if (!string.IsNullOrEmpty(module))
            {
                luaModule = module;
            }
        }

        public void SetWaiting(string gameId, string message)
        {
            CacheControls();
            currentGameId = gameId ?? string.Empty;
            startedAt = Time.realtimeSinceStartup;
            SetText(titleText, "匹配等待");
            SetText(gameText, string.IsNullOrEmpty(currentGameId) ? "正在寻找对局" : currentGameId);
            UpdateElapsedText();
            SetStatus(string.IsNullOrEmpty(message) ? "正在匹配，请稍候..." : message, false);
        }

        public void SetStatus(string message)
        {
            SetStatus(message, false);
        }

        public void SetStatus(string message, bool canClose)
        {
            CacheControls();
            SetText(statusText, message);
            if (closeText != null)
            {
                closeText.text = canClose ? "返回大厅" : "退出匹配";
            }
        }

        public void Close()
        {
            Destroy(gameObject);
        }

        private void CacheControls()
        {
            spinnerRect = spinnerRect ? spinnerRect : Find<RectTransform>("Img_Spinner");
            titleText = titleText ? titleText : Find<TMP_Text>("Txt_Title");
            gameText = gameText ? gameText : Find<TMP_Text>("Txt_Game");
            statusText = statusText ? statusText : Find<TMP_Text>("Txt_Status");
            elapsedText = elapsedText ? elapsedText : Find<TMP_Text>("Txt_Elapsed");
            closeButton = closeButton ? closeButton : Find<Button>("Btn_Close");
            closeText = closeText ? closeText : Find<TMP_Text>("Txt_Close");
            if (closeText == null && closeButton != null)
            {
                closeText = closeButton.transform.FindTransform("Text")?.GetComponent<TMP_Text>();
            }
        }

        private void WireEvents()
        {
            if (closeButton == null)
            {
                return;
            }
            closeButton.onClick.RemoveListener(OnCloseClicked);
            closeButton.onClick.AddListener(OnCloseClicked);
        }

        private void OnCloseClicked()
        {
            OnCloseRequested?.Invoke();
        }

        private T Find<T>(string name) where T : Component
        {
            Transform target = transform.FindTransform(name);
            return target == null ? null : target.GetComponent<T>();
        }

        private static void SetText(TMP_Text text, string value)
        {
            if (text != null)
            {
                text.text = value ?? string.Empty;
            }
        }

        private void UpdateElapsedText()
        {
            if (elapsedText == null || startedAt <= 0f)
            {
                return;
            }
            int seconds = Mathf.Max(0, Mathf.FloorToInt(Time.realtimeSinceStartup - startedAt));
            elapsedText.text = string.Format("已匹配时间 {0:00}:{1:00}", seconds / 60, seconds % 60);
        }

    }
}