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

namespace PnvPanel.Application.Tests.Admin.Support;

public class ApproveRoleRequestCommandHandlerTests
{
    private readonly IRoleService _roleService = Substitute.For<IRoleService>();
    private readonly IRealtimeNotifier _notifier = Substitute.For<IRealtimeNotifier>();
    private readonly ITelegramNotifier _telegramNotifier = Substitute.For<ITelegramNotifier>();

    [Fact]
    public async Task Handle_ForNewRoleRequest_CreatesRoleAssignsAndResolves()
    {
        using var dbContext = InMemoryDbContextFactory.Create();
        var userId = Guid.NewGuid();
        var ticket = SupportTicket.CreateRoleRequestForNewRole(userId, "premium", 10, 5);
        dbContext.SupportTickets.Add(ticket);
        await dbContext.SaveChangesAsync(CancellationToken.None);

        var newRoleId = Guid.NewGuid();
        _roleService.CreateRoleAsync("premium", 10, 5, Arg.Any<CancellationToken>())
            .Returns(Result.Success(new RoleDto(newRoleId, "premium", 10, 5, false)));
        _roleService.ChangeUserRoleAsync(userId, newRoleId, Arg.Any<CancellationToken>()).Returns(Result.Success());

        var currentUser = FakeCurrentUser.Authenticated(Guid.NewGuid(), "admin");
        var handler = new ApproveRoleRequestCommandHandler(dbContext, _roleService, _notifier, _telegramNotifier, currentUser);

        var result = await handler.Handle(new ApproveRoleRequestCommand(ticket.Id), CancellationToken.None);

        Assert.True(result.IsSuccess);
        Assert.Equal(TicketStatus.Resolved, ticket.Status);
        await _roleService.Received(1).CreateRoleAsync("premium", 10, 5, Arg.Any<CancellationToken>());
        await _roleService.Received(1).ChangeUserRoleAsync(userId, newRoleId, Arg.Any<CancellationToken>());
        await _telegramNotifier.Received(1).NotifyUserAsync(userId, Arg.Any<string>(), Arg.Any<CancellationToken>());
    }

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

        _roleService.ChangeUserRoleAsync(userId, roleId, Arg.Any<CancellationToken>()).Returns(Result.Success());

        var currentUser = FakeCurrentUser.Authenticated(Guid.NewGuid());
        var handler = new ApproveRoleRequestCommandHandler(dbContext, _roleService, _notifier, _telegramNotifier, currentUser);

        var result = await handler.Handle(new ApproveRoleRequestCommand(ticket.Id), CancellationToken.None);

        Assert.True(result.IsSuccess);
        await _roleService.DidNotReceive().CreateRoleAsync(
            Arg.Any<string>(), Arg.Any<int>(), Arg.Any<int>(), Arg.Any<CancellationToken>());
    }

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

        var currentUser = FakeCurrentUser.Authenticated(Guid.NewGuid());
        var handler = new ApproveRoleRequestCommandHandler(dbContext, _roleService, _notifier, _telegramNotifier, currentUser);

        var result = await handler.Handle(new ApproveRoleRequestCommand(ticket.Id), CancellationToken.None);

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