using System;
using System.Threading.Tasks;
using Abp.Runtime.Caching;
using Abp.Runtime.Session;
using Abp.UI;
using WeApp.Authorization.Users;
using WeApp.CommonManager.AppGuids;
using WeApp.CommonManager.Notifications;
using WeApp.CommonManager.States;
using WeApp.MultiTenancy;
using IwbZero.AppServiceBase;

namespace WeApp
{
    public abstract class IwbAppServiceBase : IwbZeroAppServiceBase
    {
        protected IwbAppServiceBase(ICacheManager cacheManager = null)
        {
            CacheManager = cacheManager;
            StatesManager = NullStatesManager.Instance;
            AppGuidManager = NullAppGuidManager.Instance;
            NoticeManager = NullNotificationManager.Instance;
        }

        public TenantManager TenantManager { get; set; }
        public UserManager UserManager { get; set; }
        public INotificationManager NoticeManager { get; set; }
        public IStatesManager StatesManager { get; set; }
        public IAppGuidManager AppGuidManager { get; set; }


        protected virtual async Task<User> GetCurrentUserAsync()
        {
            var user = await UserManager.FindByIdAsync(AbpSession.GetUserId());
            if (user == null)
            {
                throw new ApplicationException("There is no current user!");
            }

            return user;
        }

        protected virtual Task<Tenant> GetCurrentTenantAsync()
        {
            return TenantManager.GetByIdAsync(AbpSession.GetTenantId());
        }

        protected override void CheckErrors(string error)
        {
            throw new UserFriendlyException(error);
        }
    }
}