using System.Net;

using Abp.Application.Services.Dto;
using Abp.Dependency;
using Abp.Domain.Repositories;
using Abp.Domain.Uow;
using Abp.Linq;
using Abp.Webhooks;

namespace VberZero.Webhooks;

/// <summary>
/// Implements <see cref="IWebhookSendAttemptStore"/> using repositories.
/// </summary>
public class WebhookSendAttemptStore : IWebhookSendAttemptStore, ITransientDependency
{
    public IAsyncQueryableExecuter AsyncQueryableExecuter { get; set; }

    private readonly IRepository<WebhookSendAttempt, Guid> _webhookSendAttemptRepository;
    private readonly IUnitOfWorkManager _unitOfWorkManager;

    public WebhookSendAttemptStore(
        IRepository<WebhookSendAttempt, Guid> webhookSendAttemptRepository,
        IUnitOfWorkManager unitOfWorkManager)
    {
        _webhookSendAttemptRepository = webhookSendAttemptRepository;
        _unitOfWorkManager = unitOfWorkManager;

        AsyncQueryableExecuter = NullAsyncQueryableExecuter.Instance;
    }

    public virtual async Task InsertAsync(WebhookSendAttempt webhookSendAttempt)
    {
        using (var uow = _unitOfWorkManager.Begin())
        {
            using (_unitOfWorkManager.Current.SetTenantId(webhookSendAttempt.TenantId))
            {
                await _webhookSendAttemptRepository.InsertAsync(webhookSendAttempt);
                await _unitOfWorkManager.Current.SaveChangesAsync();
            }

            await uow.CompleteAsync();
        }
    }

    public virtual void Insert(WebhookSendAttempt webhookSendAttempt)
    {
        using (var uow = _unitOfWorkManager.Begin())
        {
            using (_unitOfWorkManager.Current.SetTenantId(webhookSendAttempt.TenantId))
            {
                _webhookSendAttemptRepository.Insert(webhookSendAttempt);
                _unitOfWorkManager.Current.SaveChanges();
            }

            uow.Complete();
        }
    }

    public virtual async Task UpdateAsync(WebhookSendAttempt webhookSendAttempt)
    {
        using (var uow = _unitOfWorkManager.Begin())
        {
            using (_unitOfWorkManager.Current.SetTenantId(webhookSendAttempt.TenantId))
            {
                await _webhookSendAttemptRepository.UpdateAsync(webhookSendAttempt);
                await _unitOfWorkManager.Current.SaveChangesAsync();
            }

            await uow.CompleteAsync();
        }
    }

    public virtual void Update(WebhookSendAttempt webhookSendAttempt)
    {
        using (var uow = _unitOfWorkManager.Begin())
        {
            using (_unitOfWorkManager.Current.SetTenantId(webhookSendAttempt.TenantId))
            {
                _webhookSendAttemptRepository.Update(webhookSendAttempt);
                _unitOfWorkManager.Current.SaveChanges();
            }

            uow.Complete();
        }
    }

    public virtual async Task<WebhookSendAttempt> GetAsync(int? tenantId, Guid id)
    {
        WebhookSendAttempt sendAttempt;

        using (var uow = _unitOfWorkManager.Begin())
        {
            using (_unitOfWorkManager.Current.SetTenantId(tenantId))
            {
                sendAttempt = await _webhookSendAttemptRepository.GetAsync(id);
            }

            await uow.CompleteAsync();
        }

        return sendAttempt;
    }

    public virtual WebhookSendAttempt Get(int? tenantId, Guid id)
    {
        WebhookSendAttempt sendAttempt;

        using (var uow = _unitOfWorkManager.Begin())
        {
            using (_unitOfWorkManager.Current.SetTenantId(tenantId))
            {
                sendAttempt = _webhookSendAttemptRepository.Get(id);
            }

            uow.CompleteAsync();
        }

        return sendAttempt;
    }

    public virtual async Task<int> GetSendAttemptCountAsync(int? tenantId, Guid webhookEventId,
        Guid webhookSubscriptionId)
    {
        int sendAttemptCount;

        using (var uow = _unitOfWorkManager.Begin())
        {
            using (_unitOfWorkManager.Current.SetTenantId(tenantId))
            {
                sendAttemptCount = await _webhookSendAttemptRepository
                    .CountAsync(attempt =>
                        attempt.WebhookEventId == webhookEventId &&
                        attempt.WebhookSubscriptionId == webhookSubscriptionId
                    );
            }

            await uow.CompleteAsync();
        }

        return sendAttemptCount;
    }

    public virtual int GetSendAttemptCount(int? tenantId, Guid webhookId, Guid webhookSubscriptionId)
    {
        int sendAttemptCount;

        using (var uow = _unitOfWorkManager.Begin())
        {
            using (_unitOfWorkManager.Current.SetTenantId(tenantId))
            {
                sendAttemptCount = _webhookSendAttemptRepository.GetAll()
                    .Count(attempt =>
                        attempt.WebhookEventId == webhookId &&
                        attempt.WebhookSubscriptionId == webhookSubscriptionId);
            }

            uow.Complete();
        }

        return sendAttemptCount;
    }

    public virtual async Task<bool> HasXConsecutiveFailAsync(int? tenantId, Guid subscriptionId, int failCount)
    {
        bool result;

        using (var uow = _unitOfWorkManager.Begin())
        {
            using (_unitOfWorkManager.Current.SetTenantId(tenantId))
            {
                if (await _webhookSendAttemptRepository.CountAsync(x => x.WebhookSubscriptionId == subscriptionId) <
                    failCount)
                {
                    result = false;
                }
                else
                {
                    result = !await AsyncQueryableExecuter.AnyAsync(
                        _webhookSendAttemptRepository.GetAll()
                            .OrderByDescending(attempt => attempt.CreationTime)
                            .Take(failCount)
                            .Where(attempt => attempt.ResponseStatusCode == HttpStatusCode.OK)
                    );
                }
            }

            await uow.CompleteAsync();
        }

        return result;
    }

    public virtual async Task<IPagedResult<WebhookSendAttempt>> GetAllSendAttemptsBySubscriptionAsPagedListAsync(
        int? tenantId,
        Guid subscriptionId,
        int maxResultCount,
        int skipCount)
    {
        PagedResultDto<WebhookSendAttempt> sendAttempts;

        using (var uow = _unitOfWorkManager.Begin())
        {
            using (_unitOfWorkManager.Current.SetTenantId(tenantId))
            {
                var query = _webhookSendAttemptRepository.GetAllIncluding(attempt => attempt.WebhookEvent)
                    .Where(attempt =>
                        attempt.WebhookSubscriptionId == subscriptionId
                    );

                var totalCount = await AsyncQueryableExecuter.CountAsync(query);

                var list = await AsyncQueryableExecuter.ToListAsync(query
                    .OrderByDescending(attempt => attempt.CreationTime)
                    .Skip(skipCount)
                    .Take(maxResultCount)
                );

                sendAttempts = new PagedResultDto<WebhookSendAttempt>
                {
                    TotalCount = totalCount,
                    Items = list
                };
            }

            await uow.CompleteAsync();
        }

        return sendAttempts;
    }

    public virtual IPagedResult<WebhookSendAttempt> GetAllSendAttemptsBySubscriptionAsPagedList(int? tenantId,
        Guid subscriptionId, int maxResultCount, int skipCount)
    {
        PagedResultDto<WebhookSendAttempt> sendAttempts;

        using (var uow = _unitOfWorkManager.Begin())
        {
            using (_unitOfWorkManager.Current.SetTenantId(tenantId))
            {
                var query = _webhookSendAttemptRepository.GetAllIncluding(attempt => attempt.WebhookEvent)
                    .Where(attempt =>
                        attempt.WebhookSubscriptionId == subscriptionId
                    );

                var totalCount = query.Count();

                var list = query
                    .OrderByDescending(attempt => attempt.CreationTime)
                    .Skip(skipCount)
                    .Take(maxResultCount)
                    .ToList();

                sendAttempts = new PagedResultDto<WebhookSendAttempt>()
                {
                    TotalCount = totalCount,
                    Items = list
                };
            }

            uow.Complete();
        }

        return sendAttempts;
    }

    public virtual async Task<List<WebhookSendAttempt>> GetAllSendAttemptsByWebhookEventIdAsync(int? tenantId,
        Guid webhookEventId)
    {
        List<WebhookSendAttempt> sendAttempts;

        using (var uow = _unitOfWorkManager.Begin())
        {
            using (_unitOfWorkManager.Current.SetTenantId(tenantId))
            {
                sendAttempts = await AsyncQueryableExecuter.ToListAsync(
                    _webhookSendAttemptRepository.GetAll()
                        .Where(attempt => attempt.WebhookEventId == webhookEventId)
                        .OrderByDescending(attempt => attempt.CreationTime)
                );
            }

            await uow.CompleteAsync();
        }

        return sendAttempts;
    }

    public virtual List<WebhookSendAttempt> GetAllSendAttemptsByWebhookEventId(int? tenantId, Guid webhookEventId)
    {
        List<WebhookSendAttempt> sendAttempts;

        using var uow = _unitOfWorkManager.Begin();
        using (_unitOfWorkManager.Current.SetTenantId(tenantId))
        {
            sendAttempts = _webhookSendAttemptRepository.GetAll()
                .Where(attempt => attempt.WebhookEventId == webhookEventId)
                .OrderByDescending(attempt => attempt.CreationTime).ToList();
        }

        uow.Complete();

        return sendAttempts;
    }
}