using NSubstitute;
using PnvPanel.Application.Common.Interfaces;
using PnvPanel.Application.Common.Models;
using PnvPanel.Application.Support;
using PnvPanel.Application.Support.AddComment;
using PnvPanel.Application.Tests.TestSupport;
using PnvPanel.Domain.Support;
using Xunit;

namespace PnvPanel.Application.Tests.Support;

public class AddTicketCommentCommandHandlerTests
{
    private readonly IIdentityService _identityService = Substitute.For<IIdentityService>();
    private readonly IFileStorage _fileStorage = Substitute.For<IFileStorage>();
    private readonly IRealtimeNotifier _notifier = Substitute.For<IRealtimeNotifier>();

    private static CurrentUserProfile Profile(Guid userId, string role) =>
        new(userId, "user", Guid.NewGuid(), role, IsActivated: true, IsBlocked: false, MaxConfigs: 3,
            MaxIpLimit: RoleQuota.Unlimited, SubscriptionToken: "token");

    [Fact]
    public async Task Handle_WhenOwnerComments_AddsCommentAndDoesNotNotifySelf()
    {
        using var dbContext = InMemoryDbContextFactory.Create();
        var userId = Guid.NewGuid();
        var ticket = SupportTicket.CreateBugReport(userId);
        dbContext.SupportTickets.Add(ticket);
        await dbContext.SaveChangesAsync(CancellationToken.None);

        _identityService.GetProfileAsync(userId, Arg.Any<CancellationToken>()).Returns(Profile(userId, "user"));
        var currentUser = FakeCurrentUser.Authenticated(userId, "alice");

        var handler = new AddTicketCommentCommandHandler(dbContext, _identityService, _fileStorage, _notifier, currentUser);

        var result = await handler.Handle(new AddTicketCommentCommand(ticket.Id, "апдейт", []), CancellationToken.None);

        Assert.True(result.IsSuccess);
        Assert.Equal("апдейт", result.Value.Body);
        await _notifier.DidNotReceive().NotifyTicketUpdatedAsync(Arg.Any<Guid>(), Arg.Any<Guid>(), Arg.Any<CancellationToken>());
    }

    [Fact]
    public async Task Handle_WhenAdminComments_NotifiesOwner()
    {
        using var dbContext = InMemoryDbContextFactory.Create();
        var ownerId = Guid.NewGuid();
        var adminId = Guid.NewGuid();
        var ticket = SupportTicket.CreateBugReport(ownerId);
        dbContext.SupportTickets.Add(ticket);
        await dbContext.SaveChangesAsync(CancellationToken.None);

        _identityService.GetProfileAsync(adminId, Arg.Any<CancellationToken>()).Returns(Profile(adminId, "admin"));
        var currentUser = FakeCurrentUser.Authenticated(adminId, "admin");

        var handler = new AddTicketCommentCommandHandler(dbContext, _identityService, _fileStorage, _notifier, currentUser);

        var result = await handler.Handle(new AddTicketCommentCommand(ticket.Id, "ответ админа", []), CancellationToken.None);

        Assert.True(result.IsSuccess);
        await _notifier.Received(1).NotifyTicketUpdatedAsync(ticket.Id, ownerId, Arg.Any<CancellationToken>());
    }

    [Fact]
    public async Task Handle_WhenNotOwnerAndNotAdmin_ReturnsNotFound()
    {
        using var dbContext = InMemoryDbContextFactory.Create();
        var ownerId = Guid.NewGuid();
        var strangerId = Guid.NewGuid();
        var ticket = SupportTicket.CreateBugReport(ownerId);
        dbContext.SupportTickets.Add(ticket);
        await dbContext.SaveChangesAsync(CancellationToken.None);

        _identityService.GetProfileAsync(strangerId, Arg.Any<CancellationToken>()).Returns(Profile(strangerId, "user"));
        var currentUser = FakeCurrentUser.Authenticated(strangerId);

        var handler = new AddTicketCommentCommandHandler(dbContext, _identityService, _fileStorage, _notifier, currentUser);

        var result = await handler.Handle(new AddTicketCommentCommand(ticket.Id, "текст", []), CancellationToken.None);

        Assert.False(result.IsSuccess);
        Assert.Equal(SupportErrors.NotFound, result.Error);
    }

    [Fact]
    public async Task Handle_WhenTicketClosed_ReturnsTicketClosedError()
    {
        using var dbContext = InMemoryDbContextFactory.Create();
        var userId = Guid.NewGuid();
        var ticket = SupportTicket.CreateBugReport(userId);
        ticket.Close();
        dbContext.SupportTickets.Add(ticket);
        await dbContext.SaveChangesAsync(CancellationToken.None);

        _identityService.GetProfileAsync(userId, Arg.Any<CancellationToken>()).Returns(Profile(userId, "user"));
        var currentUser = FakeCurrentUser.Authenticated(userId);

        var handler = new AddTicketCommentCommandHandler(dbContext, _identityService, _fileStorage, _notifier, currentUser);

        var result = await handler.Handle(new AddTicketCommentCommand(ticket.Id, "текст", []), CancellationToken.None);

        Assert.False(result.IsSuccess);
        Assert.Equal(SupportErrors.TicketClosed, result.Error);
    }
}