namespace JobEngineDAL.DTOs
{
    public class JobExecutionDTO
    {
        public long      ExecutionId    { get; set; }
        public int?      JobId          { get; set; }
        public int       TenantId       { get; set; }
        public string    JobName        { get; set; } = "";
        public string    TriggerType    { get; set; } = "";   // SCHEDULED|MANUAL|QUEUE|API
        public DateTime? ScheduledFor   { get; set; }
        public DateTime? StartedAt      { get; set; }
        public DateTime? CompletedAt    { get; set; }
        public long?     DurationMs     { get; set; }
        public string    Status         { get; set; } = "";   // QUEUED|RUNNING|SUCCESS|FAILED|TIMEOUT|CANCELLED
        public int       RetryAttempt   { get; set; }
        public string?   CorrelationId  { get; set; }
        public string?   HostInstance   { get; set; }
        public string?   ErrorDetails   { get; set; }
        public string?   ResultJson     { get; set; }
        public DateTime  CreatedDate    { get; set; }
    }

    public class JobDashboardDTO
    {
        public int                          RunningCount      { get; set; }
        public int                          ScheduledNext24h  { get; set; }
        public int                          PendingQueueCount { get; set; }
        public int                          DlqCount          { get; set; }
        public int                          FailedCount7Days  { get; set; }
        public int                          SuccessCount7Days { get; set; }
        public double                       SuccessRate7Days  { get; set; }
        public List<JobExecutionDTO>        RunningJobs       { get; set; } = [];
        public List<JobDefineDTO>           UpcomingJobs      { get; set; } = [];
        public List<QueueStatDTO>           QueueStats        { get; set; } = [];
        public List<JobAvgDurationDTO>      AvgDurations      { get; set; } = [];
    }

    public class QueueStatDTO
    {
        public string MessageType { get; set; } = "";
        public int    Pending     { get; set; }
        public int    Processing  { get; set; }
        public int    Dlq         { get; set; }
        public int    Failed      { get; set; }
    }

    public class JobAvgDurationDTO
    {
        public string JobName     { get; set; } = "";
        public double AvgDurationMs { get; set; }
        public int    RunCount    { get; set; }
    }
}