using QuestionsApi.Models;
using QuestionsApi.Services.Flashcards;
using Xunit;

namespace QuestionsApi.Tests;

public sealed class FlashcardOwnershipTests
{
    [Theory]
    [InlineData(false, false, true)]
    [InlineData(false, true, false)]
    [InlineData(true, false, true)]
    [InlineData(true, true, true)]
    public void CanMutate_MatchesTruthTable(bool isSuper, bool targetIsSystem, bool expected)
    {
        Assert.Equal(expected, FlashcardOwnershipGuard.CanMutate(isSuper, targetIsSystem));
    }

    [Fact]
    public void FlashcardDeck_IsSystem_TrueOnlyForTheReservedOwner()
    {
        Assert.True(new FlashcardDeck { UserId = FlashcardOwners.System }.IsSystem);
        Assert.False(new FlashcardDeck { UserId = "a-real-user-id" }.IsSystem);
    }

    [Fact]
    public void FlashcardNote_IsSystem_TrueOnlyForTheReservedOwner()
    {
        Assert.True(new FlashcardNote { UserId = FlashcardOwners.System }.IsSystem);
        Assert.False(new FlashcardNote { UserId = "a-real-user-id" }.IsSystem);
    }
}