// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.

syntax = "proto3";

package mattermost.pluginapi.v1;

option go_package = "github.com/mattermost/mattermost/server/public/pluginapi/grpc/generated/go/pluginapiv1";

import "google/protobuf/struct.proto";
import "user.proto";
import "file.proto";

// PostMetadata contains additional metadata about a post.
// Maps to model.PostMetadata in Go.
message PostMetadata {
  // Embedded content (link previews, etc.)
  repeated PostEmbed embeds = 1;

  // Emoji reactions on this post
  repeated Reaction reactions = 2;

  // File attachments
  repeated FileInfo files = 3;

  // Images in the post (URLs to dimensions)
  map<string, PostImage> images = 4;

  // Post priority information
  optional PostPriority priority = 5;

  // Acknowledgements from users
  repeated PostAcknowledgement acknowledgements = 6;
}

// PostEmbed represents embedded content in a post.
message PostEmbed {
  // The type of embed (e.g., "link", "opengraph", "image")
  string type = 1;

  // The URL being embedded
  string url = 2;

  // The embedded data (structure depends on type)
  google.protobuf.Struct data = 3;
}

// PostImage represents image dimensions.
message PostImage {
  int32 width = 1;
  int32 height = 2;
  string format = 3;
  int64 frame_count = 4;
}

// PostPriority represents priority settings for a post.
message PostPriority {
  // Priority level (e.g., "urgent")
  optional string priority = 1;

  // Whether acknowledgement was requested
  optional bool requested_ack = 2;

  // Whether persistent notifications are enabled
  optional bool persistent_notifications = 3;
}

// PostAcknowledgement represents a user's acknowledgement of a post.
message PostAcknowledgement {
  string user_id = 1;
  string post_id = 2;
  int64 acknowledged_at = 3;
}

// Reaction represents a user's emoji reaction to a post.
// Maps to model.Reaction in Go.
message Reaction {
  string user_id = 1;
  string post_id = 2;
  string emoji_name = 3;
  int64 create_at = 4;
  int64 update_at = 5;
  int64 delete_at = 6;
  optional string remote_id = 7;
  optional string channel_id = 8;
}

// Post represents a message/post in Mattermost.
// Maps to model.Post in Go.
message Post {
  // Unique identifier for the post (26-char ID)
  string id = 1;

  // Timestamp when the post was created (milliseconds since epoch)
  int64 create_at = 2;

  // Timestamp when the post was last updated (milliseconds since epoch)
  int64 update_at = 3;

  // Timestamp when the post was last edited (0 if never edited)
  int64 edit_at = 4;

  // Timestamp when the post was deleted (0 if not deleted)
  int64 delete_at = 5;

  // Whether the post is pinned to the channel
  bool is_pinned = 6;

  // ID of the user who created the post
  string user_id = 7;

  // ID of the channel this post belongs to
  string channel_id = 8;

  // ID of the root post if this is a reply (empty for root posts)
  string root_id = 9;

  // Original post ID (used for cross-posting)
  string original_id = 10;

  // The message content
  string message = 11;

  // Original message before server modifications (for edit boxes)
  string message_source = 12;

  // Post type (empty for normal posts, "system_*" for system messages)
  string type = 13;

  // Post-specific properties (attachments, webhook data, etc.)
  // Maps to model.StringInterface (map[string]any) in Go
  google.protobuf.Struct props = 14;

  // Extracted hashtags from the message
  string hashtags = 15;

  // IDs of attached files
  repeated string file_ids = 16;

  // Client-generated ID for deduplication
  string pending_post_id = 17;

  // Whether this post has emoji reactions
  bool has_reactions = 18;

  // Remote cluster ID if this post is from a shared channel
  optional string remote_id = 19;

  // Number of replies (for root posts only)
  int64 reply_count = 20;

  // Timestamp of the last reply (for root posts only)
  int64 last_reply_at = 21;

  // Users who participated in the thread
  repeated User participants = 22;

  // Whether the current user is following this thread
  optional bool is_following = 23;

  // Additional metadata (embeds, reactions, files, etc.)
  optional PostMetadata metadata = 24;
}

// PostList represents a list of posts with ordering information.
// Maps to model.PostList in Go.
message PostList {
  // Ordered list of post IDs
  repeated string order = 1;

  // Map of post ID to Post
  map<string, Post> posts = 2;

  // The ID to use for fetching the next page
  string next_post_id = 3;

  // The ID to use for fetching the previous page
  string prev_post_id = 4;

  // Whether the first post in the list is at the channel's first unread
  bool first_inaccessible_post_time = 5;

  // Whether there are more posts to fetch
  bool has_next = 6;
}