@using ZB.MOM.WW.ScadaBridge.Commons.Messages.Streaming
@using ZB.MOM.WW.ScadaBridge.Commons.Types.Enums

@* ── Alarm leaf badge cluster ── *@
@* State / kind / native sub-state / severity / HiLo level badges for one alarm. *@
@* Lifted verbatim from DebugView so the Alarm Summary page renders identically. *@
<span class="badge @GetAlarmStateBadge(Alarm.State) me-1"
      aria-label="@($"Alarm state: {Alarm.State}")">@Alarm.State</span>
<span class="badge @GetKindBadge(Alarm.Kind) me-1"
      aria-label="@($"Alarm kind: {Alarm.Kind}")">@FormatKind(Alarm.Kind)</span>
@if (Alarm.Kind != AlarmKind.Computed)
{
    @if (Alarm.Condition.Active && !Alarm.Condition.Acknowledged)
    {
        <span class="badge bg-warning text-dark me-1" aria-label="Unacknowledged">Unacked</span>
    }
    @if (Alarm.Condition.Shelve != AlarmShelveState.Unshelved)
    {
        <span class="badge bg-info text-dark me-1" title="@Alarm.Condition.Shelve"
              aria-label="@($"Shelved: {Alarm.Condition.Shelve}")">Shelved</span>
    }
    @if (Alarm.Condition.Suppressed)
    {
        <span class="badge bg-info text-dark me-1" aria-label="Suppressed">Suppressed</span>
    }
}
<span class="font-monospace small text-muted me-1"
      aria-label="@($"Severity: {Alarm.Condition.Severity}")">sev @Alarm.Condition.Severity</span>
@if (Alarm.Level != AlarmLevel.None)
{
    <span class="badge @GetAlarmLevelBadge(Alarm.Level) me-1"
          aria-label="@($"Alarm level: {Alarm.Level}")">@FormatLevel(Alarm.Level)</span>
}

@code {
    /// <summary>The alarm condition whose badges this component renders.</summary>
    [Parameter] public AlarmStateChanged Alarm { get; set; } = default!;

    private static string GetAlarmStateBadge(AlarmState state) => state switch
    {
        AlarmState.Active => "bg-danger",
        AlarmState.Normal => "bg-success",
        _ => "bg-secondary"
    };

    /// <summary>
    /// Severity-tinted badge class for HiLo alarm levels. The critical bands
    /// (HighHigh / LowLow) get the danger class; warning bands get amber.
    /// </summary>
    private static string GetAlarmLevelBadge(AlarmLevel level) => level switch
    {
        AlarmLevel.HighHigh or AlarmLevel.LowLow => "bg-danger",
        AlarmLevel.High or AlarmLevel.Low => "bg-warning text-dark",
        _ => "bg-secondary"
    };

    /// <summary>Badge class distinguishing computed (neutral) from native (info) alarms.</summary>
    private static string GetKindBadge(AlarmKind kind) => kind switch
    {
        AlarmKind.Computed => "bg-secondary",
        _ => "bg-info text-dark"
    };

    /// <summary>Short display label for the alarm kind.</summary>
    private static string FormatKind(AlarmKind kind) => kind switch
    {
        AlarmKind.NativeOpcUa => "OPC UA",
        AlarmKind.NativeMxAccess => "MxAccess",
        _ => "Computed"
    };

    private static string FormatLevel(AlarmLevel level) => level switch
    {
        AlarmLevel.HighHigh => "HiHi",
        AlarmLevel.High => "Hi",
        AlarmLevel.Low => "Lo",
        AlarmLevel.LowLow => "LoLo",
        _ => "—"
    };
}