// -----------------------------------------------------------------------------
// BinaryIndexIntegrationFixture.cs
// Sprint: SPRINT_20251226_011_BINIDX
// Task: BINCAT-18 - Integration tests with Testcontainers PostgreSQL
// -----------------------------------------------------------------------------

using System.Reflection;
using Dapper;
using Npgsql;
using StellaOps.BinaryIndex.Core.Services;
using StellaOps.Infrastructure.Postgres.Testing;

namespace StellaOps.BinaryIndex.Persistence.Tests;

/// <summary>
/// PostgreSQL integration test fixture for BinaryIndex module.
/// Spins up a real PostgreSQL container and runs schema migrations.
/// </summary>
public sealed class BinaryIndexIntegrationFixture : PostgresIntegrationFixture
{
    private const string TestTenantId = "00000000-0000-0000-0000-000000000001";
    private NpgsqlDataSource? _dataSource;

    protected override Assembly? GetMigrationAssembly()
        => typeof(BinaryIndexDbContext).Assembly;

    protected override string GetModuleName() => "BinaryIndex";

    protected override string? GetResourcePrefix() => "StellaOps.BinaryIndex.Persistence.Migrations";

    public override async Task InitializeAsync()
    {
        await base.InitializeAsync();
        _dataSource = NpgsqlDataSource.Create(ConnectionString);
    }

    public override async Task DisposeAsync()
    {
        if (_dataSource != null)
        {
            await _dataSource.DisposeAsync();
        }
        await base.DisposeAsync();
    }

    /// <summary>
    /// Creates a new database context with the test tenant configured.
    /// </summary>
    public BinaryIndexDbContext CreateDbContext(string? tenantId = null)
    {
        if (_dataSource == null)
        {
            throw new InvalidOperationException("Fixture not initialized. Call InitializeAsync first.");
        }

        var tenant = new TestTenantContext(tenantId ?? TestTenantId);
        return new BinaryIndexDbContext(_dataSource, tenant);
    }

    /// <summary>
    /// Gets the default test tenant ID.
    /// </summary>
    public string GetTestTenantId() => TestTenantId;
}

/// <summary>
/// Simple tenant context implementation for testing.
/// </summary>
internal sealed class TestTenantContext : ITenantContext
{
    public TestTenantContext(string tenantId)
    {
        TenantId = tenantId;
    }

    public string TenantId { get; }
}