using FluentAssertions;
using Microsoft.Extensions.Logging.Abstractions;
using MicrosoftOptions = Microsoft.Extensions.Options;

using StellaOps.TestKit;
using StellaOps.Graph.Indexer.Persistence.Postgres.Repositories;
using StellaOps.Graph.Indexer.Persistence.Postgres;

namespace StellaOps.Graph.Indexer.Persistence.Tests;

[Collection(GraphIndexerPostgresCollection.Name)]
public sealed class PostgresIdempotencyStoreTests : IAsyncLifetime
{
    private readonly GraphIndexerPostgresFixture _fixture;
    private readonly PostgresIdempotencyStore _store;

    public PostgresIdempotencyStoreTests(GraphIndexerPostgresFixture fixture)
    {
        _fixture = fixture;

        var options = fixture.Fixture.CreateOptions();
        options.SchemaName = fixture.SchemaName;
        var dataSource = new GraphIndexerDataSource(MicrosoftOptions.Options.Create(options), NullLogger<GraphIndexerDataSource>.Instance);
        _store = new PostgresIdempotencyStore(dataSource, NullLogger<PostgresIdempotencyStore>.Instance);
    }

    public async Task InitializeAsync()
    {
        await _fixture.TruncateAllTablesAsync();
    }

    public Task DisposeAsync() => Task.CompletedTask;

    [Trait("Category", TestCategories.Unit)]
        [Fact]
    public async Task HasSeenAsync_ReturnsFalseForNewToken()
    {
        // Arrange
        var sequenceToken = "seq-" + Guid.NewGuid().ToString("N");

        // Act
        var result = await _store.HasSeenAsync(sequenceToken, CancellationToken.None);

        // Assert
        result.Should().BeFalse();
    }

    [Trait("Category", TestCategories.Unit)]
        [Fact]
    public async Task MarkSeenAsync_ThenHasSeenAsync_ReturnsTrue()
    {
        // Arrange
        var sequenceToken = "seq-" + Guid.NewGuid().ToString("N");

        // Act
        await _store.MarkSeenAsync(sequenceToken, CancellationToken.None);
        var result = await _store.HasSeenAsync(sequenceToken, CancellationToken.None);

        // Assert
        result.Should().BeTrue();
    }

    [Trait("Category", TestCategories.Unit)]
        [Fact]
    public async Task MarkSeenAsync_AllowsDifferentTokens()
    {
        // Arrange
        var token1 = "seq-" + Guid.NewGuid().ToString("N");
        var token2 = "seq-" + Guid.NewGuid().ToString("N");

        // Act
        await _store.MarkSeenAsync(token1, CancellationToken.None);
        await _store.MarkSeenAsync(token2, CancellationToken.None);
        var seen1 = await _store.HasSeenAsync(token1, CancellationToken.None);
        var seen2 = await _store.HasSeenAsync(token2, CancellationToken.None);

        // Assert
        seen1.Should().BeTrue();
        seen2.Should().BeTrue();
    }

    [Trait("Category", TestCategories.Unit)]
        [Fact]
    public async Task MarkSeenAsync_IsIdempotent()
    {
        // Arrange
        var sequenceToken = "seq-" + Guid.NewGuid().ToString("N");

        // Act - marking same token twice should not throw
        await _store.MarkSeenAsync(sequenceToken, CancellationToken.None);
        await _store.MarkSeenAsync(sequenceToken, CancellationToken.None);
        var result = await _store.HasSeenAsync(sequenceToken, CancellationToken.None);

        // Assert
        result.Should().BeTrue();
    }
}