using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using Volo.Abp.DependencyInjection;

namespace Sanhe.Abp.Notifications;

/// <summary>
/// 空实现通知相关储存处
/// </summary>
[Dependency(TryRegister = true)]
public class NullNotificationStore : INotificationStore, ISingletonDependency
{
    public Task ChangeUserNotificationReadStateAsync(
        Guid? tenantId,
        Guid userId,
        long notificationId,
        NotificationReadState readState,
        CancellationToken cancellationToken = default)
    {
        return Task.CompletedTask;
    }

    public Task DeleteAllUserSubscriptionAsync(
        Guid? tenantId,
        string notificationName,
        CancellationToken cancellationToken = default)
    {
        return Task.CompletedTask;
    }

    public Task DeleteNotificationAsync(
        NotificationInfo notification,
        CancellationToken cancellationToken = default)
    {
        return Task.CompletedTask;
    }

    public Task DeleteNotificationAsync(
        int batchCount,
        CancellationToken cancellationToken = default)
    {
        return Task.CompletedTask;
    }

    public Task DeleteUserNotificationAsync(
        Guid? tenantId,
        Guid userId,
        long notificationId,
        CancellationToken cancellationToken = default)
    {
        return Task.CompletedTask;
    }

    public Task DeleteUserSubscriptionAsync(
        Guid? tenantId,
        Guid userId,
        string notificationName,
        CancellationToken cancellationToken = default)
    {
        return Task.CompletedTask;
    }

    public Task DeleteUserSubscriptionAsync(
        Guid? tenantId,
        IEnumerable<UserIdentifier> identifiers,
        string notificationName,
        CancellationToken cancellationToken = default)
    {
        return Task.CompletedTask;
    }

    public Task<NotificationInfo> GetNotificationOrNullAsync(
        Guid? tenantId,
        long notificationId,
        CancellationToken cancellationToken = default)
    {
        return Task.FromResult(new NotificationInfo());
    }

    public Task<List<NotificationSubscriptionInfo>> GetUserSubscriptionsAsync(
        Guid? tenantId,
        string notificationName,
        IEnumerable<UserIdentifier> identifiers,
        CancellationToken cancellationToken = default)
    {
        return Task.FromResult(new List<NotificationSubscriptionInfo>());
    }

    public Task<List<NotificationInfo>> GetUserNotificationsAsync(
        Guid? tenantId,
        Guid userId,
        NotificationReadState? readState = null,
        int maxResultCount = 10,
        CancellationToken cancellationToken = default)
    {
        return Task.FromResult(new List<NotificationInfo>());
    }

    public Task<int> GetUserNotificationsCountAsync(
        Guid? tenantId,
        Guid userId,
        string filter = "",
        NotificationReadState? readState = null,
        CancellationToken cancellationToken = default)
    {
        return Task.FromResult(0);
    }

    public Task<List<NotificationInfo>> GetUserNotificationsAsync(
        Guid? tenantId,
        Guid userId,
        string filter = "",
        string sorting = nameof(NotificationInfo.CreationTime),
        NotificationReadState? readState = null,
        int skipCount = 1,
        int maxResultCount = 10,
        CancellationToken cancellationToken = default)
    {
        return Task.FromResult(new List<NotificationInfo>());
    }

    public Task<List<NotificationSubscriptionInfo>> GetUserSubscriptionsAsync(
        Guid? tenantId,
        Guid userId,
        CancellationToken cancellationToken = default)
    {
        return Task.FromResult(new List<NotificationSubscriptionInfo>());
    }

    public Task<List<NotificationSubscriptionInfo>> GetUserSubscriptionsAsync(
        Guid? tenantId,
        string userName,
        CancellationToken cancellationToken = default)
    {
        return Task.FromResult(new List<NotificationSubscriptionInfo>());
    }

    public Task InsertNotificationAsync(
        NotificationInfo notification,
        CancellationToken cancellationToken = default)
    {
        return Task.CompletedTask;
    }

    public Task InsertUserNotificationAsync(
        NotificationInfo notification,
        Guid userId,
        CancellationToken cancellationToken = default)
    {
        return Task.CompletedTask;
    }

    public Task InsertUserNotificationsAsync(
        NotificationInfo notification,
        IEnumerable<Guid> userIds,
        CancellationToken cancellationToken = default)
    {
        return Task.CompletedTask;
    }

    public Task InsertUserSubscriptionAsync(
        Guid? tenantId,
        UserIdentifier identifier,
        string notificationName,
        CancellationToken cancellationToken = default)
    {
        return Task.CompletedTask;
    }

    public Task InsertUserSubscriptionAsync(
        Guid? tenantId,
        IEnumerable<UserIdentifier> identifiers,
        string notificationName,
        CancellationToken cancellationToken = default)
    {
        return Task.CompletedTask;
    }

    public Task<bool> IsSubscribedAsync(
        Guid? tenantId,
        Guid userId,
        string notificationName,
        CancellationToken cancellationToken = default)
    {
        return Task.FromResult(false);
    }
}