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

/// <summary>
/// The template alarm authoring surface exposes <c>TemplateAlarm.IsMesReportable</c>:
/// an "MES reportable" checkbox in the dialog body and an MES column on the
/// template's Alarms tab. <c>TemplateEdit</c> is a heavyweight page (~10 injected
/// services with their own graphs), so — like the rest of the TemplateEdit coverage
/// in this suite (see <c>TemplateNativeAlarmSourceEditorTests</c>) — these are
/// structural assertions over the component source that pin the wiring so it cannot
/// silently regress. The persistence behaviour itself is covered by the
/// TemplateService / ManagementActor alarm tests.
/// </summary>
public class TemplateAlarmDialogMesReportableTests
{
    private static string DesignComponentsRoot
    {
        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", "Pages", "Design");
        }
    }

    private static string AlarmDialogMarkup
        => File.ReadAllText(Path.Combine(DesignComponentsRoot, "TemplateAlarmDialog.razor"));

    private static string TemplateEditMarkup
        => File.ReadAllText(Path.Combine(DesignComponentsRoot, "TemplateEdit.razor"));

    /// <summary>Verifies that the alarm dialog has a MES-reportable checkbox.</summary>
    [Fact]
    public void AlarmDialog_HasMesReportableCheckbox()
    {
        var markup = AlarmDialogMarkup;
        Assert.Contains("@bind=\"_isMesReportable\"", markup);
        Assert.Contains("id=\"alarmMesReportable\"", markup);
        Assert.Contains("MES reportable", markup);
    }

    /// <summary>Verifies that the alarm dialog threads the MES-reportable flag through its parameter and draft.</summary>
    [Fact]
    public void AlarmDialog_ThreadsMesReportableThroughParameterAndDraft()
    {
        var markup = AlarmDialogMarkup;
        Assert.Contains("InitialIsMesReportable", markup);
        Assert.Contains("_isMesReportable = InitialIsMesReportable", markup);
        Assert.Contains("bool IsMesReportable", markup);
    }

    /// <summary>Verifies that the alarms tab has a MES column.</summary>
    [Fact]
    public void AlarmsTab_HasMesColumn()
    {
        var markup = TemplateEditMarkup;
        Assert.Contains("<th>MES</th>", markup);
        Assert.Contains("data-test=\"alarm-mes-badge\"", markup);
        Assert.Contains("alarm.IsMesReportable", markup);
    }

    /// <summary>Verifies that the alarms tab passes the MES-reportable flag into and out of the dialog.</summary>
    [Fact]
    public void AlarmsTab_PassesMesReportableIntoAndOutOfTheDialog()
    {
        var markup = TemplateEditMarkup;
        Assert.Contains("InitialIsMesReportable=\"initial.IsMesReportable\"", markup);
        Assert.Contains("IsMesReportable = draft.IsMesReportable", markup);
    }
}