using StellaOps.Scheduler.Models;
using System;
using System.Collections.Generic;

namespace StellaOps.Scheduler.WebService.GraphJobs.Events;

internal static class GraphJobEventFactory
{
    public static GraphJobCompletedEvent Create(GraphJobCompletionNotification notification)
    {
        var eventId = Guid.CreateVersion7().ToString("n");
        var attributes = new Dictionary<string, string>(StringComparer.Ordinal);

        if (!string.IsNullOrWhiteSpace(notification.CorrelationId))
        {
            attributes["correlationId"] = notification.CorrelationId!;
        }

        if (!string.IsNullOrWhiteSpace(notification.Error))
        {
            attributes["error"] = notification.Error!;
        }

        var payload = new GraphJobCompletedPayload
        {
            JobType = notification.JobType.ToString().ToLowerInvariant(),
            Status = notification.Status,
            OccurredAt = notification.OccurredAt,
            Job = notification.Job,
            ResultUri = notification.ResultUri
        };

        return new GraphJobCompletedEvent
        {
            EventId = eventId,
            Kind = GraphJobEventKinds.GraphJobCompleted,
            Tenant = notification.TenantId,
            Timestamp = notification.OccurredAt,
            Payload = payload,
            Attributes = attributes.Count == 0 ? null : attributes
        };
    }
}