namespace StellaOps.Plugin.Testing;

using StellaOps.Plugin.Abstractions.Context;

/// <summary>
/// Test implementation of IPluginContext.
/// </summary>
public sealed class TestPluginContext : IPluginContext
{
    /// <summary>
    /// Gets the test configuration.
    /// </summary>
    public TestPluginConfiguration Configuration { get; }

    /// <summary>
    /// Gets the test logger.
    /// </summary>
    public TestPluginLogger Logger { get; }

    /// <summary>
    /// Gets the test services.
    /// </summary>
    public TestPluginServices Services { get; }

    /// <inheritdoc />
    public Guid? TenantId { get; set; }

    /// <inheritdoc />
    public Guid InstanceId { get; }

    /// <inheritdoc />
    public CancellationToken ShutdownToken { get; }

    /// <inheritdoc />
    public TimeProvider TimeProvider { get; }

    /// <summary>
    /// Gets the GUID generator for deterministic testing.
    /// </summary>
    public SequentialGuidGenerator GuidGenerator { get; }

    /// <summary>
    /// Gets the HTTP client factory for test mocking.
    /// </summary>
    public TestHttpClientFactory HttpClientFactory { get; }

    IPluginConfiguration IPluginContext.Configuration => Configuration;
    IPluginLogger IPluginContext.Logger => Logger;
    IPluginServices IPluginContext.Services => Services;

    /// <summary>
    /// Creates a new test context.
    /// </summary>
    /// <param name="options">Test host options.</param>
    public TestPluginContext(PluginTestHostOptions options)
    {
        Configuration = new TestPluginConfiguration(options.Configuration, options.Secrets);
        Logger = new TestPluginLogger(options.MinLogLevel, options.EnableLogging);
        Services = new TestPluginServices();

        TimeProvider = options.TimeProvider
            ?? new FakeTimeProvider(options.StartTime ?? DateTimeOffset.UtcNow);

        GuidGenerator = new SequentialGuidGenerator();
        HttpClientFactory = new TestHttpClientFactory();

        InstanceId = GuidGenerator.NewGuid();
        ShutdownToken = CancellationToken.None;

        // Register common services
        Services.Register<IHttpClientFactory>(HttpClientFactory);
        Services.Register(TimeProvider);
    }

    /// <summary>
    /// Creates a new test context with a custom shutdown token.
    /// </summary>
    /// <param name="options">Test host options.</param>
    /// <param name="shutdownToken">Shutdown cancellation token.</param>
    public TestPluginContext(PluginTestHostOptions options, CancellationToken shutdownToken)
        : this(options)
    {
        ShutdownToken = shutdownToken;
    }
}