syntax = "proto3";

package smartflow.taskclassforum;

option go_package = "github.com/LoveLosita/smartflow/backend/services/taskclassforum/rpc/pb";

service TaskClassForumService {
  rpc ListPosts(ListForumPostsRequest) returns (ListForumPostsResponse);
  rpc ListTags(ListForumTagsRequest) returns (ListForumTagsResponse);
  rpc CreatePost(CreateForumPostRequest) returns (CreateForumPostResponse);
  rpc GetPost(GetForumPostRequest) returns (GetForumPostResponse);
  rpc LikePost(LikeForumPostRequest) returns (LikeForumPostResponse);
  rpc UnlikePost(UnlikeForumPostRequest) returns (UnlikeForumPostResponse);
  rpc ListComments(ListForumCommentsRequest) returns (ListForumCommentsResponse);
  rpc CreateComment(CreateForumCommentRequest) returns (CreateForumCommentResponse);
  rpc DeleteComment(DeleteForumCommentRequest) returns (DeleteForumCommentResponse);
  rpc ImportPost(ImportForumPostRequest) returns (ImportForumPostResponse);
}

message PageRequest {
  int32 page = 1;
  int32 page_size = 2;
}

message PageResponse {
  int32 page = 1;
  int32 page_size = 2;
  int32 total = 3;
  bool has_more = 4;
}

message UserBrief {
  uint64 user_id = 1;
  string nickname = 2;
  string avatar_url = 3;
}

message TemplateSummary {
  int32 task_count = 1;
  string mode = 2;
  string start_date = 3;
  string end_date = 4;
  repeated string strategy_labels = 5;
}

message ForumPostCounters {
  int64 like_count = 1;
  int64 comment_count = 2;
  int64 import_count = 3;
}

message ForumPostViewerState {
  bool liked = 1;
  bool imported_once = 2;
}

message ForumPostBrief {
  uint64 post_id = 1;
  string title = 2;
  string summary = 3;
  repeated string tags = 4;
  UserBrief author = 5;
  TemplateSummary template_summary = 6;
  ForumPostCounters counters = 7;
  ForumPostViewerState viewer_state = 8;
  string status = 9;
  string created_at = 10;
}

message TemplateItemPreview {
  uint64 item_id = 1;
  int32 order = 2;
  string content = 3;
}

message TemplateDetail {
  string mode = 1;
  string start_date = 2;
  string end_date = 3;
  repeated string strategy_labels = 4;
  int32 task_count = 5;
  repeated TemplateItemPreview items_preview = 6;
}

message ForumPostDetail {
  ForumPostBrief post = 1;
  TemplateDetail template = 2;
}

message ForumCommentNode {
  uint64 comment_id = 1;
  uint64 post_id = 2;
  uint64 parent_comment_id = 3;
  string content = 4;
  string status = 5;
  UserBrief author = 6;
  bool can_delete = 7;
  string created_at = 8;
  string deleted_at = 9;
  repeated ForumCommentNode children = 10;
}

message ListForumPostsRequest {
  uint64 actor_user_id = 1;
  int32 page = 2;
  int32 page_size = 3;
  string sort = 4;
  string keyword = 5;
  string tag = 6;
}

message ListForumPostsResponse {
  repeated ForumPostBrief items = 1;
  PageResponse page = 2;
}

message ListForumTagsRequest {
  uint64 actor_user_id = 1;
  int32 limit = 2;
}

message ForumTagItem {
  string tag = 1;
  int32 post_count = 2;
}

message ListForumTagsResponse {
  repeated ForumTagItem items = 1;
}

message CreateForumPostRequest {
  uint64 actor_user_id = 1;
  uint64 task_class_id = 2;
  string title = 3;
  string summary = 4;
  repeated string tags = 5;
  string idempotency_key = 6;
}

message CreateForumPostResponse {
  ForumPostBrief post = 1;
}

message GetForumPostRequest {
  uint64 actor_user_id = 1;
  uint64 post_id = 2;
}

message GetForumPostResponse {
  ForumPostDetail data = 1;
}

message LikeForumPostRequest {
  uint64 actor_user_id = 1;
  uint64 post_id = 2;
}

message LikeForumPostResponse {
  ForumPostCounters counters = 1;
  ForumPostViewerState viewer_state = 2;
}

message UnlikeForumPostRequest {
  uint64 actor_user_id = 1;
  uint64 post_id = 2;
}

message UnlikeForumPostResponse {
  ForumPostCounters counters = 1;
  ForumPostViewerState viewer_state = 2;
}

message ListForumCommentsRequest {
  uint64 actor_user_id = 1;
  uint64 post_id = 2;
  int32 page = 3;
  int32 page_size = 4;
  string sort = 5;
}

message ListForumCommentsResponse {
  repeated ForumCommentNode items = 1;
  PageResponse page = 2;
}

message CreateForumCommentRequest {
  uint64 actor_user_id = 1;
  uint64 post_id = 2;
  string content = 3;
  uint64 parent_comment_id = 4;
  string idempotency_key = 5;
}

message CreateForumCommentResponse {
  ForumCommentNode comment = 1;
}

message DeleteForumCommentRequest {
  uint64 actor_user_id = 1;
  uint64 comment_id = 2;
}

message DeleteForumCommentResponse {
  uint64 comment_id = 1;
  string status = 2;
}

message ImportForumPostRequest {
  uint64 actor_user_id = 1;
  uint64 post_id = 2;
  string target_title = 3;
  string idempotency_key = 4;
}

message ImportForumPostResponse {
  uint64 import_id = 1;
  uint64 post_id = 2;
  uint64 new_task_class_id = 3;
  string task_class_title = 4;
  int64 import_count = 5;
  string created_at = 6;
}