namespace ZB.MOM.WW.CBDDC.Persistence.Snapshot;

/// <summary>
///     Root DTO for CBDDC snapshots (JSON format).
/// </summary>
public class SnapshotDto
{
    /// <summary>
    ///     Gets or sets the snapshot format version.
    /// </summary>
    public string Version { get; set; } = "1.0";

    /// <summary>
    ///     Gets or sets the snapshot creation timestamp.
    /// </summary>
    public string CreatedAt { get; set; } = "";

    /// <summary>
    ///     Gets or sets the source node identifier.
    /// </summary>
    public string NodeId { get; set; } = "";

    /// <summary>
    ///     Gets or sets the dataset identifier represented by this snapshot payload.
    /// </summary>
    public string DatasetId { get; set; } = "primary";

    /// <summary>
    ///     Gets or sets the serialized document records.
    /// </summary>
    public List<DocumentDto> Documents { get; set; } = new();

    /// <summary>
    ///     Gets or sets the serialized oplog entries.
    /// </summary>
    public List<OplogDto> Oplog { get; set; } = new();

    /// <summary>
    ///     Gets or sets the snapshot metadata entries.
    /// </summary>
    public List<SnapshotMetadataDto> SnapshotMetadata { get; set; } = new();

    /// <summary>
    ///     Gets or sets the remote peer configurations in the snapshot.
    /// </summary>
    public List<RemotePeerDto> RemotePeers { get; set; } = new();

    /// <summary>
    ///     Gets or sets peer oplog confirmation records in the snapshot.
    /// </summary>
    public List<PeerOplogConfirmationDto> PeerConfirmations { get; set; } = new();
}

public class DocumentDto
{
    /// <summary>
    ///     Gets or sets the dataset identifier.
    /// </summary>
    public string DatasetId { get; set; } = "primary";

    /// <summary>
    ///     Gets or sets the document collection name.
    /// </summary>
    public string Collection { get; set; } = "";

    /// <summary>
    ///     Gets or sets the document key.
    /// </summary>
    public string Key { get; set; } = "";

    /// <summary>
    ///     Gets or sets the serialized document payload.
    /// </summary>
    public string? JsonData { get; set; }

    /// <summary>
    ///     Gets or sets a value indicating whether the document is deleted.
    /// </summary>
    public bool IsDeleted { get; set; }

    /// <summary>
    ///     Gets or sets the HLC wall-clock component.
    /// </summary>
    public long HlcWall { get; set; }

    /// <summary>
    ///     Gets or sets the HLC logical counter component.
    /// </summary>
    public int HlcLogic { get; set; }

    /// <summary>
    ///     Gets or sets the HLC node component.
    /// </summary>
    public string HlcNode { get; set; } = "";
}

public class OplogDto
{
    /// <summary>
    ///     Gets or sets the dataset identifier.
    /// </summary>
    public string DatasetId { get; set; } = "primary";

    /// <summary>
    ///     Gets or sets the collection associated with the operation.
    /// </summary>
    public string Collection { get; set; } = "";

    /// <summary>
    ///     Gets or sets the key associated with the operation.
    /// </summary>
    public string Key { get; set; } = "";

    /// <summary>
    ///     Gets or sets the operation code.
    /// </summary>
    public int Operation { get; set; }

    /// <summary>
    ///     Gets or sets the serialized operation payload.
    /// </summary>
    public string? JsonData { get; set; }

    /// <summary>
    ///     Gets or sets the HLC wall-clock component.
    /// </summary>
    public long HlcWall { get; set; }

    /// <summary>
    ///     Gets or sets the HLC logical counter component.
    /// </summary>
    public int HlcLogic { get; set; }

    /// <summary>
    ///     Gets or sets the HLC node component.
    /// </summary>
    public string HlcNode { get; set; } = "";

    /// <summary>
    ///     Gets or sets the current entry hash.
    /// </summary>
    public string Hash { get; set; } = "";

    /// <summary>
    ///     Gets or sets the previous entry hash.
    /// </summary>
    public string? PreviousHash { get; set; }
}

public class SnapshotMetadataDto
{
    /// <summary>
    ///     Gets or sets the dataset identifier.
    /// </summary>
    public string DatasetId { get; set; } = "primary";

    /// <summary>
    ///     Gets or sets the node identifier.
    /// </summary>
    public string NodeId { get; set; } = "";

    /// <summary>
    ///     Gets or sets the HLC wall-clock component.
    /// </summary>
    public long HlcWall { get; set; }

    /// <summary>
    ///     Gets or sets the HLC logical counter component.
    /// </summary>
    public int HlcLogic { get; set; }

    /// <summary>
    ///     Gets or sets the metadata hash.
    /// </summary>
    public string Hash { get; set; } = "";
}

public class RemotePeerDto
{
    /// <summary>
    ///     Gets or sets the remote node identifier.
    /// </summary>
    public string NodeId { get; set; } = "";

    /// <summary>
    ///     Gets or sets the remote peer address.
    /// </summary>
    public string Address { get; set; } = "";

    /// <summary>
    ///     Gets or sets the peer type.
    /// </summary>
    public int Type { get; set; }

    /// <summary>
    ///     Gets or sets a value indicating whether the peer is enabled.
    /// </summary>
    public bool IsEnabled { get; set; }
}

public class PeerOplogConfirmationDto
{
    /// <summary>
    ///     Gets or sets the dataset identifier.
    /// </summary>
    public string DatasetId { get; set; } = "primary";

    /// <summary>
    ///     Gets or sets the tracked peer node identifier.
    /// </summary>
    public string PeerNodeId { get; set; } = "";

    /// <summary>
    ///     Gets or sets the source node identifier.
    /// </summary>
    public string SourceNodeId { get; set; } = "";

    /// <summary>
    ///     Gets or sets the confirmed HLC wall-clock component.
    /// </summary>
    public long ConfirmedWall { get; set; }

    /// <summary>
    ///     Gets or sets the confirmed HLC logical counter component.
    /// </summary>
    public int ConfirmedLogic { get; set; }

    /// <summary>
    ///     Gets or sets the confirmed oplog hash.
    /// </summary>
    public string ConfirmedHash { get; set; } = "";

    /// <summary>
    ///     Gets or sets the last-confirmed timestamp in Unix milliseconds.
    /// </summary>
    public long LastConfirmedUtcMs { get; set; }

    /// <summary>
    ///     Gets or sets a value indicating whether the tracked peer is active.
    /// </summary>
    public bool IsActive { get; set; }
}