syntax = "proto3";

package chatto.admin.v1;

import "buf/validate/validate.proto";
import "chatto/api/v1/room_directory.proto";
import "chatto/api/v1/rooms.proto";

// One ordered sidebar item in an admin room group layout.
message AdminRoomLayoutItem {
  oneof item {
    // Channel room entry.
    chatto.api.v1.Room room = 1;
    // Sidebar link entry.
    chatto.api.v1.SidebarLink sidebar_link = 2;
  }
}

// Ordered room group returned after admin layout mutations.
message AdminRoomLayoutGroup {
  reserved 4;
  reserved "rooms";

  // Stable room group ID.
  string id = 1;
  // Display name.
  string name = 2;
  // Public group description, when set.
  string description = 3;
  // Mixed room/sidebar-link entries in sidebar order.
  repeated AdminRoomLayoutItem items = 5;
  // Whether the viewer can create rooms in this group.
  bool can_create_room = 6;
}

// Request for the server-admin room group layout.
message ListRoomGroupsRequest {}

// Server-admin room group layout response.
message ListRoomGroupsResponse {
  // Ordered room groups, including archived rooms the caller can manage.
  repeated AdminRoomLayoutGroup groups = 1;
}

// Sidebar item kind used in reorder requests.
enum AdminRoomLayoutItemKind {
  // The item kind was not specified.
  ADMIN_ROOM_LAYOUT_ITEM_KIND_UNSPECIFIED = 0;
  // Channel room entry.
  ADMIN_ROOM_LAYOUT_ITEM_KIND_ROOM = 1;
  // Sidebar link entry.
  ADMIN_ROOM_LAYOUT_ITEM_KIND_SIDEBAR_LINK = 2;
}

// One item reference in a sidebar order replacement.
message AdminRoomLayoutItemInput {
  // Item kind.
  AdminRoomLayoutItemKind kind = 1 [(buf.validate.field).enum = {
    defined_only: true
    not_in: [0]
  }];
  // Room ID when kind is ROOM, sidebar link ID when kind is SIDEBAR_LINK.
  string id = 2 [(buf.validate.field).string.min_len = 1];
}

// Request to create a room group.
message CreateRoomGroupRequest {
  // Required group display name.
  string name = 1 [(buf.validate.field).string = {
    min_len: 1
    max_len: 80
  }];
  // Optional public group description.
  string description = 2 [(buf.validate.field).string.max_len = 500];
}

// Result of creating a room group.
message CreateRoomGroupResponse {
  // Created room group.
  AdminRoomLayoutGroup group = 1;
}

// Request to update a room group.
message UpdateRoomGroupRequest {
  // Required room group ID.
  string group_id = 1 [(buf.validate.field).string.min_len = 1];
  // New group display name, when changing it.
  optional string name = 2 [(buf.validate.field).string = {
    min_len: 1
    max_len: 80
  }];
  // New public group description, when changing it. Empty clears the
  // description.
  optional string description = 3 [(buf.validate.field).string.max_len = 500];
}

// Result of updating a room group.
message UpdateRoomGroupResponse {
  // Updated room group.
  AdminRoomLayoutGroup group = 1;
}

// Request to delete an empty room group.
message DeleteRoomGroupRequest {
  // Required room group ID.
  string group_id = 1 [(buf.validate.field).string.min_len = 1];
}

// Result of deleting a room group.
message DeleteRoomGroupResponse {
  // True when the room group was deleted.
  bool deleted = 1;
}

// Request to replace the global room group order.
message ReorderRoomGroupsRequest {
  // Ordered room group IDs. The list must include every existing group exactly
  // once.
  repeated string ordered_group_ids = 1 [(buf.validate.field).repeated = {
    min_items: 1
    max_items: 1000
    items: {
      string: {min_len: 1}
    }
  }];
}

// Result of replacing the global room group order.
message ReorderRoomGroupsResponse {
  // Room groups in their new order.
  repeated AdminRoomLayoutGroup groups = 1;
}

// Request to move a channel room to another room group.
message MoveRoomToGroupRequest {
  // Required channel room ID.
  string room_id = 1 [(buf.validate.field).string.min_len = 1];
  // Required destination room group ID.
  string group_id = 2 [(buf.validate.field).string.min_len = 1];
}

// Result of moving a channel room.
message MoveRoomToGroupResponse {
  // Moved room after the operation.
  chatto.api.v1.Room room = 1;
}

// Request to replace the mixed sidebar item order in one group.
message ReorderSidebarItemsInGroupRequest {
  // Required room group ID.
  string group_id = 1 [(buf.validate.field).string.min_len = 1];
  // Ordered room/sidebar-link item references.
  repeated AdminRoomLayoutItemInput items = 2 [(buf.validate.field).repeated = {max_items: 1000}];
}

// Result of replacing the mixed sidebar item order.
message ReorderSidebarItemsInGroupResponse {
  // Updated room group.
  AdminRoomLayoutGroup group = 1;
}

// Request to create a sidebar link in one room group.
message CreateSidebarLinkRequest {
  // Required destination room group ID.
  string group_id = 1 [(buf.validate.field).string.min_len = 1];
  // Required display label.
  string label = 2 [(buf.validate.field).string = {
    min_len: 1
    max_len: 80
  }];
  // Required absolute http(s) URL or server-local path.
  string url = 3 [(buf.validate.field).string = {
    min_len: 1
    max_len: 2048
  }];
}

// Result of creating a sidebar link.
message CreateSidebarLinkResponse {
  // Created sidebar link.
  chatto.api.v1.SidebarLink sidebar_link = 1;
}

// Request to update a sidebar link.
message UpdateSidebarLinkRequest {
  // Required sidebar link ID.
  string link_id = 1 [(buf.validate.field).string.min_len = 1];
  // New display label, when changing it.
  optional string label = 2 [(buf.validate.field).string = {
    min_len: 1
    max_len: 80
  }];
  // New absolute http(s) URL or server-local path, when changing it.
  optional string url = 3 [(buf.validate.field).string = {
    min_len: 1
    max_len: 2048
  }];
}

// Result of updating a sidebar link.
message UpdateSidebarLinkResponse {
  // Updated sidebar link.
  chatto.api.v1.SidebarLink sidebar_link = 1;
}

// Request to delete a sidebar link.
message DeleteSidebarLinkRequest {
  // Required sidebar link ID.
  string link_id = 1 [(buf.validate.field).string.min_len = 1];
}

// Result of deleting a sidebar link.
message DeleteSidebarLinkResponse {
  // True when the sidebar link was deleted.
  bool deleted = 1;
}

// Request to move a sidebar link to another room group.
message MoveSidebarLinkToGroupRequest {
  // Required sidebar link ID.
  string link_id = 1 [(buf.validate.field).string.min_len = 1];
  // Required destination room group ID.
  string group_id = 2 [(buf.validate.field).string.min_len = 1];
}

// Result of moving a sidebar link.
message MoveSidebarLinkToGroupResponse {
  // Moved sidebar link.
  chatto.api.v1.SidebarLink sidebar_link = 1;
}

// Reads and mutates the server-admin room layout.
service AdminRoomLayoutService {
  // Lists the editable room group layout. Requires role.manage and returns
  // visible room entries, including archived rooms for administrative actions
  // such as unarchiving.
  rpc ListRoomGroups(ListRoomGroupsRequest) returns (ListRoomGroupsResponse);
  // Creates a room group. Requires role.manage.
  rpc CreateRoomGroup(CreateRoomGroupRequest) returns (CreateRoomGroupResponse);
  // Updates a room group's metadata. Requires role.manage.
  rpc UpdateRoomGroup(UpdateRoomGroupRequest) returns (UpdateRoomGroupResponse);
  // Deletes an empty room group. Requires role.manage.
  rpc DeleteRoomGroup(DeleteRoomGroupRequest) returns (DeleteRoomGroupResponse);
  // Replaces the global room group order. Requires role.manage.
  rpc ReorderRoomGroups(ReorderRoomGroupsRequest) returns (ReorderRoomGroupsResponse);
  // Moves a channel room to another room group. Requires room.manage in both
  // source and destination groups.
  rpc MoveRoomToGroup(MoveRoomToGroupRequest) returns (MoveRoomToGroupResponse);
  // Replaces the mixed room/link sidebar order in one group. Requires
  // room.manage in that group.
  rpc ReorderSidebarItemsInGroup(ReorderSidebarItemsInGroupRequest) returns (ReorderSidebarItemsInGroupResponse);
  // Creates a sidebar link. Requires room.manage in the destination group.
  rpc CreateSidebarLink(CreateSidebarLinkRequest) returns (CreateSidebarLinkResponse);
  // Updates a sidebar link. Requires room.manage in the link's current group.
  rpc UpdateSidebarLink(UpdateSidebarLinkRequest) returns (UpdateSidebarLinkResponse);
  // Deletes a sidebar link. Requires room.manage in the link's current group.
  rpc DeleteSidebarLink(DeleteSidebarLinkRequest) returns (DeleteSidebarLinkResponse);
  // Moves a sidebar link to another group. Requires room.manage in both source
  // and destination groups.
  rpc MoveSidebarLinkToGroup(MoveSidebarLinkToGroupRequest) returns (MoveSidebarLinkToGroupResponse);
}