syntax = "proto3";
package komp_ac.document_data;

service DocumentDataService {
  rpc RegisterDocumentTemplate(RegisterDocumentTemplateRequest) returns (RegisterDocumentTemplateResponse);
  rpc ListDocumentTemplates(ListDocumentTemplatesRequest) returns (ListDocumentTemplatesResponse);
  rpc ListEnabledDocumentTemplates(ListEnabledDocumentTemplatesRequest) returns (ListDocumentTemplatesResponse);
  rpc SaveDocument(SaveDocumentRequest) returns (SaveDocumentResponse);
  rpc UpdateDocument(UpdateDocumentRequest) returns (UpdateDocumentResponse);
  rpc RenderTextDocument(RenderTextDocumentRequest) returns (RenderTextDocumentResponse);
  rpc FinalizeDocument(FinalizeDocumentRequest) returns (FinalizeDocumentResponse);
  rpc GetArchivedDocument(GetArchivedDocumentRequest) returns (GetArchivedDocumentResponse);
  rpc GetDocuments(GetDocumentsRequest) returns (GetDocumentsResponse);
  rpc GetDocument(GetDocumentRequest) returns (GetDocumentResponse);
  rpc GetDocumentVersion(GetDocumentVersionRequest) returns (GetDocumentVersionResponse);
  rpc GetDocumentTemplateVersion(GetDocumentTemplateVersionRequest) returns (GetDocumentTemplateVersionResponse);
}

enum DocumentFormat {
  DOCUMENT_FORMAT_UNSPECIFIED = 0;
  DOCUMENT_FORMAT_TYPST = 1;
  DOCUMENT_FORMAT_PLAIN_TEXT = 2;
}

enum DocumentState {
  DOCUMENT_STATE_UNSPECIFIED = 0;
  DOCUMENT_STATE_DRAFT = 1;
  DOCUMENT_STATE_FINALIZED = 2;
}

message SourceRecord {
  string profile_name = 1;
  string table_name = 2;
  int64 table_def_id = 3;
  int64 record_id = 4;
}

message SaveDocumentRequest {
  repeated SourceRecord source_records = 1;
  string template_name = 2;
  string data_json = 3;
  int64 expected_template_version_id = 4;
  string profile_name = 5;
}

message RegisterDocumentTemplateRequest {
  string template_name = 1;
  string input_table_name = 2;
  string template_source = 3;
  string renderer_version = 4;
  DocumentFormat format = 5;
}

message RegisterDocumentTemplateResponse {
  DocumentTemplateVersion template_version = 1;
}

message ListDocumentTemplatesRequest {
  string search = 1;
  uint32 limit = 2;
  DocumentFormat format = 3;
}

message ListDocumentTemplatesResponse {
  repeated DocumentTemplateVersion templates = 1;
}

message ListEnabledDocumentTemplatesRequest {
  string profile_name = 1;
}

message SaveDocumentResponse {
  int64 document_id = 1;
  int64 snapshot_id = 2;
  int32 version_number = 3;
  int64 template_version_id = 4;
  int32 template_version = 5;
}

message UpdateDocumentRequest {
  int64 document_id = 1;
  string data_json = 2;
  string profile_name = 3;
  int32 expected_version_number = 4;
}

message UpdateDocumentResponse {
  int64 document_id = 1;
  int64 snapshot_id = 2;
  int32 version_number = 3;
}

message GetDocumentsRequest {
  optional int64 schema_id = 1;
  uint32 limit = 2;
  optional string template_name = 3;
  optional string source_profile_name = 4;
  optional string source_table_name = 5;
  string profile_name = 6;
}

enum DocumentDataChangeKind {
  DOCUMENT_DATA_CHANGE_KIND_UNSPECIFIED = 0;
  DOCUMENT_DATA_CHANGE_KIND_GENERATED = 1;
  DOCUMENT_DATA_CHANGE_KIND_USER_ADJUSTMENT = 2;
}

message Document {
  int64 snapshot_id = 1;
  int64 document_id = 2;
  int64 schema_id = 3;
  repeated SourceRecord source_records = 4;
  string data_json = 5;
  DocumentDataChangeKind change_kind = 6;
  int32 version_number = 7;
  string created_at = 8;
  string updated_at = 9;
  int64 template_version_id = 10;
  string data_sha256 = 11;
  string profile_name = 12;
  DocumentState state = 13;
  optional int64 archive_id = 14;
}

message GetDocumentsResponse {
  repeated Document documents = 1;
}

message GetDocumentRequest {
  int64 document_id = 1;
  string profile_name = 2;
}

message GetDocumentResponse {
  optional Document document = 1;
}

message GetDocumentVersionRequest {
  int64 document_id = 1;
  int32 version_number = 2;
  string profile_name = 3;
}

message GetDocumentVersionResponse {
  optional Document document = 1;
}

message GetDocumentTemplateVersionRequest {
  int64 template_version_id = 1;
  int64 document_id = 2;
  string profile_name = 3;
}

message DocumentTemplateVersion {
  int64 id = 1;
  int64 template_id = 2;
  string template_name = 3;
  int32 version = 4;
  string source_code = 5;
  string source_sha256 = 6;
  string renderer_version = 7;
  string created_at = 8;
  string input_table_name = 9;
  repeated string field_paths = 10;
  repeated DocumentTemplateFieldBinding field_bindings = 11;
  DocumentFormat format = 12;
}

// One profile-specific source mapping for an enabled template version.
message DocumentTemplateFieldBinding {
  string field_path = 1;
  string collection_path = 2;
  string column_name = 3;
  string source_table_name = 4;
  string source_column_name = 5;
  string source_profile_name = 6;
}

message GetDocumentTemplateVersionResponse {
  optional DocumentTemplateVersion template_version = 1;
}

message RenderTextDocumentRequest {
  string profile_name = 1;
  int64 document_id = 2;
  int32 expected_version_number = 3;
}

message RenderTextDocumentResponse {
  string text = 1;
  string renderer_version = 2;
  string data_sha256 = 3;
}

message FinalizeDocumentRequest {
  string profile_name = 1;
  int64 document_id = 2;
  int32 expected_version_number = 3;
  // Typst output is compiled by the caller with the pinned template and data.
  // Plain-text output is rendered by the server; these fields must be empty.
  bytes rendered_output = 4;
  string renderer_version = 5;
}

message FinalizeDocumentResponse {
  int64 archive_id = 1;
  string output_sha256 = 2;
}

message GetArchivedDocumentRequest {
  string profile_name = 1;
  int64 archive_id = 2;
}

message ArchivedDocument {
  int64 id = 1;
  Document document = 2;
  DocumentTemplateVersion template_version = 3;
  DocumentFormat format = 4;
  bytes output = 5;
  string output_sha256 = 6;
  string finalized_at = 7;
}

message GetArchivedDocumentResponse {
  optional ArchivedDocument document = 1;
}