// Copyright 2023 Google LLC
//
// 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 google.chat.v1;

import "google/api/annotations.proto";
import "google/api/client.proto";
import "google/chat/v1/attachment.proto";
import "google/chat/v1/membership.proto";
import "google/chat/v1/message.proto";
import "google/chat/v1/reaction.proto";
import "google/chat/v1/space.proto";
import "google/chat/v1/space_setup.proto";
import "google/protobuf/empty.proto";

option csharp_namespace = "Google.Apps.Chat.V1";
option go_package = "cloud.google.com/go/chat/apiv1/chatpb;chatpb";
option java_multiple_files = true;
option java_outer_classname = "ChatServiceProto";
option java_package = "com.google.chat.v1";
option php_namespace = "Google\\Apps\\Chat\\V1";
option ruby_package = "Google::Apps::Chat::V1";

// Enables developers to build Chat apps and
// integrations on Google Chat Platform.
service ChatService {
  option (google.api.default_host) = "chat.googleapis.com";
  option (google.api.oauth_scopes) =
      "https://www.googleapis.com/auth/chat.bot,"
      "https://www.googleapis.com/auth/chat.delete,"
      "https://www.googleapis.com/auth/chat.import,"
      "https://www.googleapis.com/auth/chat.memberships,"
      "https://www.googleapis.com/auth/chat.memberships.app,"
      "https://www.googleapis.com/auth/chat.memberships.readonly,"
      "https://www.googleapis.com/auth/chat.messages,"
      "https://www.googleapis.com/auth/chat.messages.create,"
      "https://www.googleapis.com/auth/chat.messages.reactions,"
      "https://www.googleapis.com/auth/chat.messages.reactions.create,"
      "https://www.googleapis.com/auth/chat.messages.reactions.readonly,"
      "https://www.googleapis.com/auth/chat.messages.readonly,"
      "https://www.googleapis.com/auth/chat.spaces,"
      "https://www.googleapis.com/auth/chat.spaces.create,"
      "https://www.googleapis.com/auth/chat.spaces.readonly";

  // Creates a message in a Google Chat space. For an example, see [Create a
  // message](https://developers.google.com/chat/api/guides/v1/messages/create).
  //
  // Calling this method requires
  // [authentication](https://developers.google.com/chat/api/guides/auth) and
  // supports the following authentication types:
  //
  // - For text messages, user authentication or app authentication are
  // supported.
  // - For card messages, only app authentication is supported. (Only Chat apps
  // can create card messages.)
  rpc CreateMessage(CreateMessageRequest) returns (Message) {
    option (google.api.http) = {
      post: "/v1/{parent=spaces/*}/messages"
      body: "message"
    };
    option (google.api.method_signature) = "parent,message,message_id";
  }

  // Lists messages in a space that the caller is a member of, including
  // messages from blocked members and spaces. For an example, see
  // [List messages](/chat/api/guides/v1/messages/list).
  // Requires [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  rpc ListMessages(ListMessagesRequest) returns (ListMessagesResponse) {
    option (google.api.http) = {
      get: "/v1/{parent=spaces/*}/messages"
    };
    option (google.api.method_signature) = "parent";
  }

  // Lists memberships in a space. For an example, see [List
  // memberships](https://developers.google.com/chat/api/guides/v1/members/list).
  // Listing memberships with
  // [app
  // authentication](https://developers.google.com/chat/api/guides/auth/service-accounts)
  // lists memberships in spaces that the Chat app has
  // access to, but excludes Chat app memberships,
  // including its own. Listing memberships with
  // [User
  // authentication](https://developers.google.com/chat/api/guides/auth/users)
  // lists memberships in spaces that the authenticated user has access to.
  //
  // Requires
  // [authentication](https://developers.google.com/chat/api/guides/auth).
  // Supports
  // [app
  // authentication](https://developers.google.com/chat/api/guides/auth/service-accounts)
  // and [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  rpc ListMemberships(ListMembershipsRequest)
      returns (ListMembershipsResponse) {
    option (google.api.http) = {
      get: "/v1/{parent=spaces/*}/members"
    };
    option (google.api.method_signature) = "parent";
  }

  // Returns details about a membership. For an example, see
  // [Get a
  // membership](https://developers.google.com/chat/api/guides/v1/members/get).
  //
  // Requires
  // [authentication](https://developers.google.com/chat/api/guides/auth).
  // Supports
  // [app
  // authentication](https://developers.google.com/chat/api/guides/auth/service-accounts)
  // and [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  rpc GetMembership(GetMembershipRequest) returns (Membership) {
    option (google.api.http) = {
      get: "/v1/{name=spaces/*/members/*}"
    };
    option (google.api.method_signature) = "name";
  }

  // Returns details about a message.
  // For an example, see [Read a
  // message](https://developers.google.com/chat/api/guides/v1/messages/get).
  //
  // Requires
  // [authentication](https://developers.google.com/chat/api/guides/auth).
  // Supports
  // [app
  // authentication](https://developers.google.com/chat/api/guides/auth/service-accounts)
  // and [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  //
  // Note: Might return a message from a blocked member or space.
  rpc GetMessage(GetMessageRequest) returns (Message) {
    option (google.api.http) = {
      get: "/v1/{name=spaces/*/messages/*}"
    };
    option (google.api.method_signature) = "name";
  }

  // Updates a message. There's a difference between the `patch` and `update`
  // methods. The `patch`
  // method uses a `patch` request while the `update` method uses a `put`
  // request. We recommend using the `patch` method. For an example, see
  // [Update a
  // message](https://developers.google.com/chat/api/guides/v1/messages/update).
  //
  // Requires
  // [authentication](https://developers.google.com/chat/api/guides/auth).
  // Supports
  // [app
  // authentication](https://developers.google.com/chat/api/guides/auth/service-accounts)
  // and [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  // When using app authentication, requests can only update messages
  // created by the calling Chat app.
  rpc UpdateMessage(UpdateMessageRequest) returns (Message) {
    option (google.api.http) = {
      put: "/v1/{message.name=spaces/*/messages/*}"
      body: "message"
      additional_bindings {
        patch: "/v1/{message.name=spaces/*/messages/*}"
        body: "message"
      }
    };
    option (google.api.method_signature) = "message,update_mask";
  }

  // Deletes a message.
  // For an example, see [Delete a
  // message](https://developers.google.com/chat/api/guides/v1/messages/delete).
  //
  // Requires
  // [authentication](https://developers.google.com/chat/api/guides/auth).
  // Supports
  // [app
  // authentication](https://developers.google.com/chat/api/guides/auth/service-accounts)
  // and [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  // When using app authentication, requests can only delete messages
  // created by the calling Chat app.
  rpc DeleteMessage(DeleteMessageRequest) returns (google.protobuf.Empty) {
    option (google.api.http) = {
      delete: "/v1/{name=spaces/*/messages/*}"
    };
    option (google.api.method_signature) = "name";
  }

  // Gets the metadata of a message attachment. The attachment data is fetched
  // using the [media
  // API](https://developers.google.com/chat/api/reference/rest/v1/media/download).
  // For an example, see
  // [Get a message
  // attachment](https://developers.google.com/chat/api/guides/v1/media-and-attachments/get).
  // Requires [app
  // authentication](https://developers.google.com/chat/api/guides/auth/service-accounts).
  rpc GetAttachment(GetAttachmentRequest) returns (Attachment) {
    option (google.api.http) = {
      get: "/v1/{name=spaces/*/messages/*/attachments/*}"
    };
    option (google.api.method_signature) = "name";
  }

  // Uploads an attachment. For an example, see
  // [Upload media as a file
  // attachment](https://developers.google.com/chat/api/guides/v1/media-and-attachments/upload).
  // Requires user
  // [authentication](https://developers.google.com/chat/api/guides/auth/users).
  //
  // You can upload attachments up to 200 MB. Certain file types aren't
  // supported. For details, see [File types blocked by Google
  // Chat](https://support.google.com/chat/answer/7651457?&co=GENIE.Platform%3DDesktop#File%20types%20blocked%20in%20Google%20Chat).
  rpc UploadAttachment(UploadAttachmentRequest)
      returns (UploadAttachmentResponse) {
    option (google.api.http) = {
      post: "/v1/{parent=spaces/*}/attachments:upload"
      body: "*"
    };
  }

  // Lists spaces the caller is a member of. Group chats and DMs aren't listed
  // until the first message is sent. For an example, see
  // [List
  // spaces](https://developers.google.com/chat/api/guides/v1/spaces/list).
  //
  // Requires
  // [authentication](https://developers.google.com/chat/api/guides/auth).
  // Supports
  // [app
  // authentication](https://developers.google.com/chat/api/guides/auth/service-accounts)
  // and [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  //
  // Lists spaces visible to the caller or authenticated user. Group chats
  // and DMs aren't listed until the first message is sent.
  rpc ListSpaces(ListSpacesRequest) returns (ListSpacesResponse) {
    option (google.api.http) = {
      get: "/v1/spaces"
    };
    option (google.api.method_signature) = "";
  }

  // Returns details about a space. For an example, see
  // [Get a space](https://developers.google.com/chat/api/guides/v1/spaces/get).
  //
  // Requires
  // [authentication](https://developers.google.com/chat/api/guides/auth).
  // Supports
  // [app
  // authentication](https://developers.google.com/chat/api/guides/auth/service-accounts)
  // and [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  rpc GetSpace(GetSpaceRequest) returns (Space) {
    option (google.api.http) = {
      get: "/v1/{name=spaces/*}"
    };
    option (google.api.method_signature) = "name";
  }

  // Creates a named space. Spaces grouped by topics aren't supported. For an
  // example, see [Create a
  // space](https://developers.google.com/chat/api/guides/v1/spaces/create).
  //
  //  If you receive the error message `ALREADY_EXISTS` when creating
  //  a space, try a different `displayName`. An existing space within
  //  the Google Workspace organization might already use this display name.
  //
  // Requires [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  rpc CreateSpace(CreateSpaceRequest) returns (Space) {
    option (google.api.http) = {
      post: "/v1/spaces"
      body: "space"
    };
    option (google.api.method_signature) = "space";
  }

  // Creates a space and adds specified users to it. The calling user is
  // automatically added to the space, and shouldn't be specified as a
  // membership in the request. For an example, see
  // [Set up a
  // space](https://developers.google.com/chat/api/guides/v1/spaces/set-up).
  //
  // To specify the human members to add, add memberships with the appropriate
  // `member.name` in the `SetUpSpaceRequest`. To add a human user, use
  // `users/{user}`, where `{user}` can be the email address for the user. For
  // users in the same Workspace organization `{user}` can also be the `id` for
  // the person from the People API, or the `id` for the user in the Directory
  // API. For example, if the People API Person profile ID for
  // `user@example.com` is `123456789`, you can add the user to the space by
  // setting the `membership.member.name` to `users/user@example.com` or
  // `users/123456789`.
  //
  // For a space or group chat, if the caller blocks or is blocked by some
  // members, then those members aren't added to the created space.
  //
  // To create a direct message (DM) between the calling user and another human
  // user, specify exactly one membership to represent the human user. If
  // one user blocks the other, the request fails and the DM isn't created.
  //
  // To create a DM between the calling user and the calling app, set
  // `Space.singleUserBotDm` to `true` and don't specify any memberships. You
  // can only use this method to set up a DM with the calling app. To add the
  // calling app as a member of a space or an existing DM between two human
  // users, see
  // [create a
  // membership](https://developers.google.com/chat/api/guides/v1/members/create).
  //
  // If a DM already exists between two users, even when one user blocks the
  // other at the time a request is made, then the existing DM is returned.
  //
  // Spaces with threaded replies aren't supported. If you receive the error
  // message `ALREADY_EXISTS` when setting up a space, try a different
  // `displayName`. An existing space within the Google Workspace organization
  // might already use this display name.
  //
  // Requires [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  rpc SetUpSpace(SetUpSpaceRequest) returns (Space) {
    option (google.api.http) = {
      post: "/v1/spaces:setup"
      body: "*"
    };
  }

  // Updates a space. For an example, see
  // [Update a
  // space](https://developers.google.com/chat/api/guides/v1/spaces/update).
  //
  // If you're updating the `displayName` field and receive the error message
  // `ALREADY_EXISTS`, try a different display name.. An existing space within
  // the Google Workspace organization might already use this display name.
  //
  // Requires [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  rpc UpdateSpace(UpdateSpaceRequest) returns (Space) {
    option (google.api.http) = {
      patch: "/v1/{space.name=spaces/*}"
      body: "space"
    };
    option (google.api.method_signature) = "space,update_mask";
  }

  // Deletes a named space. Always performs a cascading delete, which means
  // that the space's child resources—like messages posted in the space and
  // memberships in the space—are also deleted. For an example, see
  // [Delete a
  // space](https://developers.google.com/chat/api/guides/v1/spaces/delete).
  // Requires [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users)
  // from a user who has permission to delete the space.
  rpc DeleteSpace(DeleteSpaceRequest) returns (google.protobuf.Empty) {
    option (google.api.http) = {
      delete: "/v1/{name=spaces/*}"
    };
    option (google.api.method_signature) = "name";
  }

  // Completes the
  // [import process](https://developers.google.com/chat/api/guides/import-data)
  // for the specified space and makes it visible to users.
  // Requires app authentication and domain-wide delegation. For more
  // information, see [Authorize Google Chat apps to import
  // data](https://developers.google.com/chat/api/guides/authorize-import).
  rpc CompleteImportSpace(CompleteImportSpaceRequest)
      returns (CompleteImportSpaceResponse) {
    option (google.api.http) = {
      post: "/v1/{name=spaces/*}:completeImport"
      body: "*"
    };
  }

  // Returns the existing direct message with the specified user. If no direct
  // message space is found, returns a `404 NOT_FOUND` error. For an example,
  // see
  // [Find a direct message](/chat/api/guides/v1/spaces/find-direct-message).
  //
  // With [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users),
  // returns the direct message space between the specified user and the
  // authenticated user.
  //
  // With [app
  // authentication](https://developers.google.com/chat/api/guides/auth/service-accounts),
  // returns the direct message space between the specified user and the calling
  // Chat app.
  //
  // Requires [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users)
  // or [app
  // authentication](https://developers.google.com/chat/api/guides/auth/service-accounts).
  rpc FindDirectMessage(FindDirectMessageRequest) returns (Space) {
    option (google.api.http) = {
      get: "/v1/spaces:findDirectMessage"
    };
  }

  // Creates a human membership or app membership for the calling app. Creating
  // memberships for other apps isn't supported. For an example, see
  // [ Create a
  // membership](https://developers.google.com/chat/api/guides/v1/members/create).
  // When creating a membership, if the specified member has their auto-accept
  // policy turned off, then they're invited, and must accept the space
  // invitation before joining. Otherwise, creating a membership adds the member
  // directly to the specified space. Requires [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  //
  // To specify the member to add, set the `membership.member.name` in the
  // `CreateMembershipRequest`:
  //
  // - To add the calling app to a space or a direct message between two human
  //   users, use `users/app`. Unable to add other
  //   apps to the space.
  //
  // - To add a human user, use `users/{user}`, where `{user}` can be the email
  // address for the user. For users in the same Workspace organization `{user}`
  // can also be the `id` for the person from the People API, or the `id` for
  // the user in the Directory API. For example, if the People API Person
  // profile ID for `user@example.com` is `123456789`, you can add the user to
  // the space by setting the `membership.member.name` to
  // `users/user@example.com` or `users/123456789`.
  rpc CreateMembership(CreateMembershipRequest) returns (Membership) {
    option (google.api.http) = {
      post: "/v1/{parent=spaces/*}/members"
      body: "membership"
    };
    option (google.api.method_signature) = "parent,membership";
  }

  // Deletes a membership. For an example, see
  // [Delete a
  // membership](https://developers.google.com/chat/api/guides/v1/members/delete).
  //
  // Requires [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  rpc DeleteMembership(DeleteMembershipRequest) returns (Membership) {
    option (google.api.http) = {
      delete: "/v1/{name=spaces/*/members/*}"
    };
    option (google.api.method_signature) = "name";
  }

  // Creates a reaction and adds it to a message. For an example, see
  // [Create a
  // reaction](https://developers.google.com/chat/api/guides/v1/reactions/create).
  // Requires [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  // Only unicode emoji are supported.
  rpc CreateReaction(CreateReactionRequest) returns (Reaction) {
    option (google.api.http) = {
      post: "/v1/{parent=spaces/*/messages/*}/reactions"
      body: "reaction"
    };
    option (google.api.method_signature) = "parent,reaction";
  }

  // Lists reactions to a message. For an example, see
  // [List
  // reactions](https://developers.google.com/chat/api/guides/v1/reactions/list).
  // Requires [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  rpc ListReactions(ListReactionsRequest) returns (ListReactionsResponse) {
    option (google.api.http) = {
      get: "/v1/{parent=spaces/*/messages/*}/reactions"
    };
    option (google.api.method_signature) = "parent";
  }

  // Deletes a reaction to a message. For an example, see
  // [Delete a
  // reaction](https://developers.google.com/chat/api/guides/v1/reactions/delete).
  // Requires [user
  // authentication](https://developers.google.com/chat/api/guides/auth/users).
  rpc DeleteReaction(DeleteReactionRequest) returns (google.protobuf.Empty) {
    option (google.api.http) = {
      delete: "/v1/{name=spaces/*/messages/*/reactions/*}"
    };
    option (google.api.method_signature) = "name";
  }
}