using Framework;
using System;
using Gameplay;
using TMPro;
using UnityEngine;
using UnityEngine.UI;
using Gameplay.Utils;

/// <summary>
/// 控制高级账户剩余天数UI的显示和更新
/// </summary>
public class PremiumRemainingDaysUI : MonoBehaviour
{
    [Header("显示剩余天数的文本组件")] [SerializeField]
    private TextMeshProUGUI remainingDaysText;
    
    [Header("Image组件")]
    [SerializeField] private Image icon;
    
    [Header("激活状态")]
    [SerializeField] private Sprite normalSprite;
    [SerializeField] private Color normalColor;
     
    [Header("过期状态显示")] 
    [SerializeField] private Sprite expiredSprite;
    [SerializeField] private string expiredText = "PremiumPerk_Common";
    [SerializeField] private Color expiredColor;
    
    [Header("测试参数")]
    [SerializeField, Range(0, 365)] private int testDays = 5;
    [SerializeField, Range(0, 24)] private int testHours = 12;
    [SerializeField, Range(0, 60)] private int testMinutes = 30;

    private void OnEnable()
    {
        EventManager.Instance.Register<PremiumStatusChangedEvent>(EventManager.EventName.PremiumStatusRefresh,
            OnPremiumStatusChanged);
        EventManager.Instance.Send(EventManager.EventName.RequestPremiumStatus);
    }

    private void OnDisable()
    {
        EventManager.Instance.Unregister<PremiumStatusChangedEvent>(EventManager.EventName.PremiumStatusRefresh,
            OnPremiumStatusChanged);
        CancelInvoke(nameof(UpdateDaily));
    }

    private void OnPremiumStatusChanged(PremiumStatusChangedEvent eventData)
    {
        if(remainingDaysText==null) remainingDaysText = gameObject.transform.Find("Text_Day").GetComponent<TextMeshProUGUI>();
        if(icon==null) icon = gameObject.transform.Find("Image").GetComponent<Image>();
        
        if(!eventData.IsActivated)
        {
            gameObject.transform.localScale = Vector3.one;
            CancelInvoke(nameof(UpdateDaily));
            
            icon.sprite = expiredSprite;
            remainingDaysText.text = StringManager.Instance.GetLocalizeTextByKey(expiredText);
            remainingDaysText.color = expiredColor;
            return;
        }
        
        
        if (eventData.IsActivated)
        {
            gameObject.transform.localScale = Vector3.one;
            UpdateRemainingDays(eventData.RemainingSeconds);

            // 为了防止重复调用，先取消之前的
            CancelInvoke(nameof(UpdateDaily));

            // 安排一个每日更新任务，在第二天的零点过1秒后触发
            DateTime now = DateTime.Now;
            DateTime tomorrow = now.AddDays(1).Date;
            double secondsUntilTomorrow = (tomorrow - now).TotalSeconds;
            Invoke(nameof(UpdateDaily), (float)secondsUntilTomorrow + 1);
        }
    }

    /// <summary>
    /// 每日自动更新的函数
    /// </summary>
    private void UpdateDaily()
    {
        // 重新请求一下最新状态，保证数据准确性，并重新安排下一次更新
        EventManager.Instance.Send(EventManager.EventName.RequestPremiumStatus);
    }

    /// <summary>
    /// 根据剩余时间（秒）更新UI
    /// </summary>
    private void UpdateRemainingDays(long remainingSeconds)
    {
        if (remainingDaysText == null) return;

        #region 时间小于0
        //时间为0，则显示为过期
        if (remainingSeconds <= 0)
        {
            icon.sprite = expiredSprite;
            remainingDaysText.text = StringManager.Instance.GetLocalizeTextByKey(expiredText);
            remainingDaysText.color = expiredColor;
            return;
        }
        #endregion

        #region 时间大于0
        TimeSpan remainingTime = TimeSpan.FromSeconds(remainingSeconds);
        
        //向下取整的小时数
        var realHours = remainingTime.TotalHours;
        
        if (realHours>23)
        {
            // 向上取整，例如剩余1.1天，也算作2天。如果小于0则为0。
            int days = Math.Max(0, (int)Math.Ceiling(remainingTime.TotalDays));
            
            remainingDaysText.text =
                StringManager.Instance.GetLocalizeTextByKeyAndParams("PremiumPerk_Remain_Day", days);
            if (icon != null && normalSprite != null)
            {
                icon.sprite = normalSprite;
                remainingDaysText.color = normalColor;
            }
        }
        else
        {
            int hours = Math.Max(0, (int)Math.Ceiling(remainingTime.TotalHours));
            remainingDaysText.text =
                StringManager.Instance.GetLocalizeTextByKeyAndParams("PremiumPerk_Remain_Hour", hours);
            if (icon != null && normalSprite != null)
            {
                icon.sprite = normalSprite;
                remainingDaysText.color = normalColor;
            }
        }
        #endregion
    }

    [Sirenix.OdinInspector.Button]
    private void TestUpdateUI()
    {
        TimeSpan testTime = new TimeSpan(testDays, testHours, testMinutes, 0);
        UpdateRemainingDays((long)testTime.TotalSeconds);
        Debug.Log($"测试更新: {testDays}天 {testHours}时 {testMinutes}分");
    }
}