using PnvPanel.Domain.Exceptions;
using PnvPanel.Domain.Telegram;
using Xunit;

namespace PnvPanel.Domain.Tests.Telegram;

public class TelegramLoginRequestTests
{
    [Fact]
    public void Create_SetsPendingStatusAndExpiry()
    {
        var request = TelegramLoginRequest.Create(TimeSpan.FromMinutes(5), "1.2.3.4");

        Assert.Equal(TelegramLoginStatus.Pending, request.Status);
        Assert.Equal("1.2.3.4", request.Context);
        Assert.False(request.IsExpired);
        Assert.True(request.ExpiresAt > request.CreatedAt);
    }

    [Fact]
    public void Approve_WhenPending_SetsApprovedAndUserId()
    {
        var request = TelegramLoginRequest.Create(TimeSpan.FromMinutes(5), null);
        var userId = Guid.NewGuid();

        request.Approve(userId);

        Assert.Equal(TelegramLoginStatus.Approved, request.Status);
        Assert.Equal(userId, request.UserId);
    }

    [Fact]
    public void Reject_WhenPending_SetsRejected()
    {
        var request = TelegramLoginRequest.Create(TimeSpan.FromMinutes(5), null);

        request.Reject();

        Assert.Equal(TelegramLoginStatus.Rejected, request.Status);
    }

    [Fact]
    public void Approve_WhenExpired_ThrowsAndMarksExpired()
    {
        var request = TelegramLoginRequest.Create(TimeSpan.Zero, null);

        Assert.Throws<DomainException>(() => request.Approve(Guid.NewGuid()));
        Assert.Equal(TelegramLoginStatus.Expired, request.Status);
    }

    [Fact]
    public void Approve_WhenAlreadyApproved_Throws()
    {
        var request = TelegramLoginRequest.Create(TimeSpan.FromMinutes(5), null);
        request.Approve(Guid.NewGuid());

        Assert.Throws<DomainException>(() => request.Approve(Guid.NewGuid()));
    }

    [Fact]
    public void Consume_WhenApproved_SetsConsumed()
    {
        var request = TelegramLoginRequest.Create(TimeSpan.FromMinutes(5), null);
        request.Approve(Guid.NewGuid());

        request.Consume();

        Assert.Equal(TelegramLoginStatus.Consumed, request.Status);
    }

    [Fact]
    public void Consume_WhenNotApproved_Throws()
    {
        var request = TelegramLoginRequest.Create(TimeSpan.FromMinutes(5), null);

        Assert.Throws<DomainException>(() => request.Consume());
    }

    [Fact]
    public void Consume_WhenAlreadyConsumed_Throws()
    {
        var request = TelegramLoginRequest.Create(TimeSpan.FromMinutes(5), null);
        request.Approve(Guid.NewGuid());
        request.Consume();

        Assert.Throws<DomainException>(() => request.Consume());
    }
}