using System.Collections.Generic;
using System.Threading.Tasks;

public class EmptyMailService : IInGameMailService
{
    public bool IsUnlock{
        get{
            return false;
        }
        set{

        }
    }

    public async Task<bool> DelMail(GameMail mail)
    {
        await Task.Yield();
        return true;
    }

    public async Task<bool> DelMail(GameMail[] mails = null)
    {
        await Task.Yield();
        return true;
    }

    public async Task FetchMail()
    {
        await Task.Yield();
    }

    public IList<GameMail> GetAllMail()
    {
        return new List<GameMail>();
    }

    public void Init() { }

    public async Task<bool> MarkRead(GameMail mail)
    {
        await Task.Yield();
        return true;
    }

    public async Task<bool> MarkRead(GameMail[] mails = null)
    {
        await Task.Yield();
        return true;
    }

    public void Reset() { }

    public async Task<bool> TakeReward(GameMail mail) {
        await Task.Yield();
        return false;
    }

    public async Task<bool> TakeReward(GameMail[] mails = null)
    {
        await Task.Yield();
        return false;
    }
}