using Framework;
using Gameplay;
using Gameplay.Common;
using Gameplay.Net;
using PhxhSDK;
using System.Collections.Generic;

public class MailSystem : Singlenton<MailSystem>, IInitable
{
    public Dictionary<ulong, SingleMail> DicMail;
    public bool isHaveAll;

    public const int MailStatus_New = 0;
    public const int MailStatus_Opened = 1;
    public const int MailStatus_Cliamed = 2;

    public void Init()
    {
        DicMail = new Dictionary<ulong, SingleMail>();
        isHaveAll = false;
        RegisterEvent();
    }

    private void RegisterEvent()
    {
        EventManager.Instance.Register(EventManager.EventName.HaveNewMail, OnHaveNewMail);
    }

    private void OnHaveNewMail()
    {
        NetHelper.RequestMailList(!Instance.isHaveAll);
    }

    private void UnregisterEvent()
    {
        EventManager.Instance.Unregister(EventManager.EventName.HaveNewMail, OnHaveNewMail);

    }

    public void Release()
    {
        UnregisterEvent();

        isHaveAll = false;
        DicMail.Clear();
    }

    public void RemoveMail(ulong id)
    {
        if (!DicMail.Remove(id))
            DebugUtil.LogError($"移除id为{id}的邮件失败");
    }

    public void AddMail(Mail mail)
    {
        if (DicMail.TryGetValue(mail.Id, out SingleMail singleMail))
            singleMail.Refresh(mail);
        else
        {
            if (DicMail.Count >= GLConfig.Inst.data.MaxMailCount)
            {
                SingleMail mailDelect = null;

                foreach (SingleMail temp in DicMail.Values)
                {
                    if (mailDelect == temp)
                        mailDelect = temp;

                    if (temp.Status < mailDelect.Status)
                        continue;

                    if (temp.Status > mailDelect.Status)
                    {
                        mailDelect = temp;
                        continue;
                    }

                    if (mailDelect.SendTime < temp.SendTime)
                        continue;

                    if (mailDelect.SendTime > temp.SendTime)
                    {
                        mailDelect = temp;
                        continue;
                    }

                    if (temp.MailID < mailDelect.MailID)
                        continue;

                    if (temp.MailID > mailDelect.MailID)
                    {
                        mailDelect = temp;
                        continue;
                    }
                }

                if (mailDelect != null)
                    RemoveMail(mailDelect.Id);
            }

            DicMail[mail.Id] = new(mail);
            Instance.isHaveAll = true;
        }
    }

    public void SetStatus(ulong id, uint status)
    {
        DicMail[id].SetStatus(status);
    }

    public void HandleIds(ulong id)
    {
        if (id == 0) // 全部已领取
        {
            foreach (SingleMail singleMail in DicMail.Values)
            {
                if (singleMail.Status != MailStatus_Opened)
                    continue;

                if (singleMail.MailData == null)
                    continue;

                singleMail.SetStatus(MailStatus_Cliamed);
            }
        }
        else
            DicMail[id].SetStatus(MailStatus_Cliamed);
    }

    public SingleMail GetMail(uint mailID)
    {
        if (DicMail.TryGetValue(mailID, out SingleMail mail))
            return mail;
        else
        {
            DebugUtil.LogError($"你莫得Id为{mailID}的邮件，不要找了");
            return null;
        }
    }

    public bool IsHaveGetMail()
    {
        foreach (SingleMail singleMail in DicMail.Values)
        {
            if (singleMail.Status != MailStatus_Cliamed)
                return true;
        }

        return false;
    }
}