namespace ECPDAL.Correspondence.DTOs;

/// <summary>
/// A single correspondence record in TCORRESPONDENCE — modernized shape of the legacy
/// TINTERACTION, polymorphic via ObjectTypeId+ObjectId (resolved against MENTITY.ENTITYID).
/// </summary>
public class CorrespondenceDTO
{
    public int    CorrespondenceId       { get; set; }
    public int    ObjectTypeId           { get; set; }
    public int    ObjectId               { get; set; }
    public int    CorrespondenceTypeId   { get; set; }
    public string? CorrespondenceTypeCode { get; set; }
    public string? CorrespondenceTypeName { get; set; }
    public int    BizTransactionTypeId   { get; set; } = -1;
    public byte   Direction              { get; set; } = 2;   // 1=in 2=out
    public byte   Mode                   { get; set; }        // 1=mail 2=sms
    public string? Subject               { get; set; }
    public int    TemplateId             { get; set; } = -1;  // -> MMERGE.MERGEID
    public int    GeneratedAttachmentId  { get; set; } = -1;  // -> TATTACHMENT.ATTACHMENTID
    public string? FromId                { get; set; }
    public string? ToIds                 { get; set; }
    public string? CcIds                 { get; set; }
    public string? BccIds                { get; set; }
    public DateTime? ScheduledOn         { get; set; }
    public DateTime? SentOn              { get; set; }
    public byte   ActionStatus           { get; set; } = 1;   // 1=pending 2=processed 3=failed
    public int    BizTransactionId       { get; set; } = -1;
    public int    OuId                   { get; set; } = -1;
    public int    TenantId               { get; set; } = -1;
    public string DatabaseName           { get; set; } = string.Empty;
    public byte   DatabaseType           { get; set; }
    public short  Version                { get; set; }
    public byte   Status                 { get; set; } = 1;   // 1=Active 2=Deleted
    public int    CreatedById            { get; set; } = -1;
    public DateTime CreatedOn            { get; set; }
    public int    ModifiedById           { get; set; } = -1;
    public DateTime ModifiedOn           { get; set; }
}

/// <summary>
/// Shared input shape for both preview (no persistence) and save-and-send. The caller supplies
/// the merge data context directly — per the plan, Correspondence doesn't own business data, so
/// it never resolves Fields/Tables from ObjectTypeId+ObjectId itself (that stays the owning
/// module's responsibility, same "floor" delegation pattern as Communication's CanView check).
/// </summary>
public class CorrespondenceRenderRequestDTO
{
    public int    ObjectTypeId         { get; set; }
    public int    ObjectId             { get; set; }
    public int    CorrespondenceTypeId { get; set; }
    public int    TemplateId           { get; set; }

    /// <summary>Flat ##Field## values. byte[] values are treated as image-merge fields (##IMG:Field##).</summary>
    public Dictionary<string, object?> Fields { get; set; } = [];

    /// <summary>Named repeating-row datasets, keyed by the ##REPEAT:Name## marker used in the template.</summary>
    public Dictionary<string, List<Dictionary<string, object?>>> Tables { get; set; } = [];
}

/// <summary>Input for SaveAndSendCorrespondence — render request + delivery/routing fields.</summary>
public class SaveAndSendCorrespondenceDTO : CorrespondenceRenderRequestDTO
{
    public byte    Mode                 { get; set; }   // 1=mail 2=sms
    public string? Subject              { get; set; }
    public string? FromId               { get; set; }
    public string? ToIds                { get; set; }
    public string? CcIds                { get; set; }
    public string? BccIds               { get; set; }
    public int     BizTransactionTypeId { get; set; } = -1;
    public int     BizTransactionId     { get; set; } = -1;
    public int     OuId                 { get; set; } = -1;
}

/// <summary>Input for UpdateCorrespondence — editable routing/scheduling fields only. Identity
/// fields (ObjectTypeId/ObjectId/TemplateId/GeneratedAttachmentId/Direction) are not editable
/// after creation. Version is required for optimistic concurrency (same convention as
/// SignatoryDTO's Save/Update pair).</summary>
public class UpdateCorrespondenceDTO
{
    public int     CorrespondenceId     { get; set; }
    public int     CorrespondenceTypeId { get; set; }
    public int     BizTransactionTypeId { get; set; } = -1;
    public byte    Mode                 { get; set; }   // 1=mail 2=sms
    public string? Subject              { get; set; }
    public string? FromId               { get; set; }
    public string? ToIds                { get; set; }
    public string? CcIds                { get; set; }
    public string? BccIds               { get; set; }
    public DateTime? ScheduledOn        { get; set; }
    public int     BizTransactionId     { get; set; } = -1;
    public int     OuId                 { get; set; } = -1;
    public short   Version              { get; set; }
}