// Copyright 2023 Declan Teevan
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package panels.post.v1;

import "google/protobuf/empty.proto";
import "google/protobuf/timestamp.proto";

service PostService {
  rpc CreatePost(CreatePostRequest) returns (Post) {}

  rpc GetPost(GetPostRequest) returns (Post) {}
  rpc GetPanelPost(GetPanelPostRequest) returns (Post) {}

  rpc UpdatePost(UpdatePostRequest) returns (Post) {}

  rpc DeletePost(DeletePostRequest) returns (google.protobuf.Empty) {}

  rpc GetFeedPosts(GetFeedPostsRequest) returns (FeedPosts) {}
  rpc GetUserPosts(GetUserPostsRequest) returns (UserPosts) {}
  rpc GetPanelPosts(GetPanelPostsRequest) returns (PanelPosts) {}
}

message Post {
  string id = 1;

  string panel_id = 2; // External Ref: Panel Id
  string author_id = 3; // External Ref: User Id

  string title = 4;
  string content = 5;

  google.protobuf.Timestamp created_at = 6;
  google.protobuf.Timestamp updated_at = 7;
}

message PostMutable {
  optional string title = 1;
  optional string content = 2;
}

message CreatePostRequest {
  string panel_id = 1; // External Ref: Panel Id
  string user_id = 2; // External Ref: User Id
  PostMutable data = 3;
}

message GetPostRequest {
  string id = 1;
}

message GetPanelPostRequest {
  string panel_id = 1; // External Ref: Panel Id
  string id = 2;
}

message UpdatePostRequest {
  string id = 1;
  PostMutable data = 2;
}

message DeletePostRequest {
  string id = 1;
}

message GetFeedPostsRequest {}

message FeedPosts {
  repeated Post posts = 1;
}

message GetUserPostsRequest {
  string user_id = 1; // External Ref: User Id
}

message UserPosts {
  repeated Post posts = 1;
}

message GetPanelPostsRequest {
  string panel_id = 1; // External Ref: Panel Id
}

message PanelPosts {
  repeated Post posts = 1;
}

// Kafka Event Schema
message PostEvent {
  string type = 1;
  Post data = 2;
}