using Bunit;
using Bunit.TestDoubles;
using Microsoft.AspNetCore.Components;
using Microsoft.Extensions.DependencyInjection;
using ZB.MOM.WW.ScadaBridge.CentralUI.Components.Audit;
using ZB.MOM.WW.ScadaBridge.CentralUI.Services;
using ZB.MOM.WW.ScadaBridge.Commons.Types.Enums;

namespace ZB.MOM.WW.ScadaBridge.CentralUI.Tests.Audit;

/// <summary>
/// Flow Debugger drill-ins (design 2026-09-05 §4, plan Task 21): the audit drawer's
/// detail body and the Execution Chain page both offer <em>Open in Flow Debugger</em>,
/// and the inbound-method form carries the <c>TraceAllCalls</c> checkbox wired to both
/// save paths.
/// </summary>
public class FlowDebuggerDrillinTests : BunitContext
{
    public FlowDebuggerDrillinTests()
    {
        JSInterop.Mode = JSRuntimeMode.Loose;
    }

    private static AuditEventView MakeEvent(Guid? executionId) => new()
    {
        EventId = Guid.Parse("11111111-2222-3333-4444-555555555555"),
        OccurredAtUtc = new DateTime(2026, 9, 5, 12, 30, 45, DateTimeKind.Utc),
        IngestedAtUtc = new DateTime(2026, 9, 5, 12, 30, 46, DateTimeKind.Utc),
        Channel = AuditChannel.ApiInbound,
        Kind = AuditKind.InboundRequest,
        ExecutionId = executionId,
        Actor = "tester",
        Target = "POST /api/DelmiaRecipeDownload",
        Status = AuditStatus.Delivered,
        DurationMs = 42,
    };

    private static string SrcRoot
    {
        get
        {
            var dir = AppContext.BaseDirectory;
            for (var i = 0; i < 6 && dir is not null; i++)
                dir = Directory.GetParent(dir)?.FullName;
            return Path.Combine(dir!, "src", "ZB.MOM.WW.ScadaBridge.CentralUI", "Components");
        }
    }

    private static string Read(params string[] relative)
        => File.ReadAllText(Path.Combine([SrcRoot, .. relative]));

    [Fact]
    public void AuditEventDetail_WithExecutionId_OffersOpenInFlowDebugger_AndNavigatesToReplay()
    {
        var exec = Guid.Parse("12345678-aaaa-bbbb-cccc-1234567890ab");
        var cut = Render<AuditEventDetail>(p => p.Add(c => c.Event, MakeEvent(exec)));

        cut.Find("[data-test=\"open-flow-debugger\"]").Click();

        var nav = (BunitNavigationManager)Services.GetRequiredService<NavigationManager>();
        Assert.Contains($"/deployment/flow-debugger?executionId={exec}", nav.Uri);
    }

    [Fact]
    public void AuditEventDetail_WithoutExecutionId_HidesTheButton()
    {
        var cut = Render<AuditEventDetail>(p => p.Add(c => c.Event, MakeEvent(null)));

        Assert.DoesNotContain("data-test=\"open-flow-debugger\"", cut.Markup);
    }

    [Fact]
    public void ExecutionTreePage_LinksToTheFlowDebuggerReplay_BesideTheAuditLogLink()
    {
        var markup = Read("Pages", "Audit", "ExecutionTreePage.razor");

        Assert.Contains("data-test=\"open-flow-debugger\"", markup);
        Assert.Contains("/deployment/flow-debugger?executionId={_executionId}", markup);
        // Same block as the existing back-to-log link, so both actions sit together.
        Assert.True(markup.IndexOf("execution-tree-back-to-log", StringComparison.Ordinal)
                    < markup.IndexOf("open-flow-debugger", StringComparison.Ordinal));
    }

    [Fact]
    public void ApiMethodForm_HasTraceAllCallsCheckbox_WiredToBothSavePaths()
    {
        var markup = Read("Pages", "Design", "ApiMethodForm.razor");

        Assert.Contains("data-test=\"api-method-trace-all-calls\"", markup);
        Assert.Contains("Trace all calls (Flow Debugger)", markup);
        Assert.Contains("7–10 audit rows per call", markup);
        // Load, update and create paths all carry the flag.
        Assert.Contains("_traceAllCalls = _existing.TraceAllCalls;", markup);
        Assert.Contains("new UpdateApiMethodCommand(_existing.Id, _script, _timeoutSeconds, _params?.Trim(), _returns?.Trim(), _traceAllCalls)", markup);
        Assert.Contains("new CreateApiMethodCommand(methodName, _script, _timeoutSeconds, _params?.Trim(), _returns?.Trim(), _traceAllCalls)", markup);
    }
}