namespace SwDAL.DTO.RolloutCampaign;

/// <summary>Multi-target rollout (tracker Thread 6 §39) — delivers one already-Released
/// UpgradePackage to many already-provisioned client databases in one action. Delivery itself
/// reuses ProvisioningBLL.ProvisionClientDatabase per resolved target — this DTO is pure
/// orchestration/tracking on top of that existing primitive, not a new delivery mechanism.</summary>
public class RolloutCampaignDTO
{
    public int    RolloutCampaignId { get; set; }
    public int    PackageId         { get; set; }
    public string? PackageCode      { get; set; }   // read-only JOIN
    public int    DbModelId         { get; set; }
    public byte   TargetScope       { get; set; }   // 0=AllForDbModel 1=AllOnServer 2=SelectedList
    public int?   TargetServerId    { get; set; }
    public byte   CampaignStatus    { get; set; }   // 0=Draft 1=Scheduled 2=InProgress 3=Completed 4=PartiallyFailed
    public DateTime? ScheduledStartOn { get; set; }
    public string? Description      { get; set; }

    // Explicit target list — only meaningful (and required) when TargetScope=SelectedList.
    // Not persisted on this row itself; consumed once by RolloutCampaignBLL.CreateCampaignAsync
    // to seed the RolloutTargetDTO rows, mirroring how AttachDdlScriptRequestDTO-style request
    // DTOs carry one-shot input alongside the entity's own persisted shape.
    public List<int>? SelectedClientDbIds { get; set; }

    public short   Version      { get; set; }
    public byte    Status       { get; set; } = 1;
    public short   SortOrder    { get; set; } = 9999;
    public int     CreatedById  { get; set; }
    public DateTime CreatedOn   { get; set; }
    public int     ModifiedById { get; set; }
    public DateTime ModifiedOn  { get; set; }
    public byte    SourceType   { get; set; } = 5;
    public int     TenantId     { get; set; }
}

/// <summary>One resolved client database within a campaign — the real per-instance state.</summary>
public class RolloutTargetDTO
{
    public int    RolloutTargetId   { get; set; }
    public int    RolloutCampaignId { get; set; }
    public int    ClientDbId        { get; set; }
    public string? ClientDbCode     { get; set; }   // read-only JOIN
    public byte   TargetStatus      { get; set; }   // 0=Pending 1=Deferred 2=InProgress 3=Applied 4=Skipped 5=Failed
    public DateTime? DeferredUntil  { get; set; }
    public string? LastError        { get; set; }
    public DateTime? AppliedOn      { get; set; }

    public short   Version      { get; set; }
    public byte    Status       { get; set; } = 1;
    public short   SortOrder    { get; set; } = 9999;
    public int     CreatedById  { get; set; }
    public DateTime CreatedOn   { get; set; }
    public int     ModifiedById { get; set; }
    public DateTime ModifiedOn  { get; set; }
    public byte    SourceType   { get; set; } = 5;
    public int     TenantId     { get; set; }
}

/// <summary>Aggregate rollup returned by GetCampaignStatusAsync — the "X of Y applied, Z
/// deferred, W failed" view, not a raw dump of every target row.</summary>
public class RolloutCampaignStatusDTO
{
    public int    RolloutCampaignId { get; set; }
    public byte   CampaignStatus    { get; set; }
    public int    TotalTargets      { get; set; }
    public int    PendingCount      { get; set; }
    public int    DeferredCount     { get; set; }
    public int    AppliedCount      { get; set; }
    public int    SkippedCount      { get; set; }
    public int    FailedCount       { get; set; }

    /// <summary>Targets whose ClientDatabase is DeliveryMode=Offline (tracker §53) — due, but
    /// requiring a real external action (export + SwOfflineApply) before they can be considered
    /// done, never auto-pushed. A campaign never finalizes to Completed/PartiallyFailed while
    /// this is nonzero.</summary>
    public int    AwaitingManualApplyCount { get; set; }
}