import type { PostgresJsDatabase } from "drizzle-orm/postgres-js";
import type { z } from "zod";
import { type Booking, type BookingTraveler } from "./schema-core.js";
import { type BookingGroup, type BookingGroupMember } from "./schema-groups.js";
import type { addBookingGroupMemberSchema, bookingGroupListQuerySchema, insertBookingGroupSchema, updateBookingGroupSchema } from "./validation.js";
export type BookingGroupListQuery = z.infer<typeof bookingGroupListQuerySchema>;
export type CreateBookingGroupInput = z.infer<typeof insertBookingGroupSchema>;
export type UpdateBookingGroupInput = z.infer<typeof updateBookingGroupSchema>;
export type AddBookingGroupMemberInput = z.infer<typeof addBookingGroupMemberSchema>;
export type BookingGroupMemberWithBooking = BookingGroupMember & {
    booking: Booking | null;
};
export declare function listBookingGroups(db: PostgresJsDatabase, query: BookingGroupListQuery): Promise<{
    data: BookingGroup[];
    total: number;
    limit: number;
    offset: number;
}>;
export declare function getBookingGroupById(db: PostgresJsDatabase, id: string): Promise<BookingGroup | null>;
export declare function createBookingGroup(db: PostgresJsDatabase, data: CreateBookingGroupInput): Promise<BookingGroup>;
export declare function updateBookingGroup(db: PostgresJsDatabase, id: string, data: UpdateBookingGroupInput): Promise<BookingGroup | null>;
export declare function deleteBookingGroup(db: PostgresJsDatabase, id: string): Promise<{
    id: string;
} | null>;
export declare function listGroupMembers(db: PostgresJsDatabase, groupId: string): Promise<BookingGroupMemberWithBooking[]>;
export declare function getBookingGroupForBooking(db: PostgresJsDatabase, bookingId: string): Promise<(BookingGroup & {
    membership: BookingGroupMember;
}) | null>;
export declare function addGroupMember(db: PostgresJsDatabase, groupId: string, data: AddBookingGroupMemberInput): Promise<{
    status: "ok";
    member: BookingGroupMember;
} | {
    status: "group_not_found";
} | {
    status: "booking_not_found";
} | {
    status: "already_in_group";
    currentGroupId: string;
}>;
export declare function removeGroupMember(db: PostgresJsDatabase, groupId: string, bookingId: string): Promise<{
    id: string;
} | null>;
/**
 * Dissolve or slim down a booking group after a member is cancelled.
 *
 * - 3+ active members remain: no-op (group stays intact)
 * - 1 active member remains: dissolve (delete last member + group)
 * - 0 active members remain: delete the group
 */
export declare function cleanupGroupOnBookingCancelled(db: PostgresJsDatabase, bookingId: string): Promise<void>;
export declare function listGroupBookingTravelers(db: PostgresJsDatabase, groupId: string): Promise<BookingTraveler[]>;
export declare const bookingGroupsService: {
    listBookingGroups: typeof listBookingGroups;
    getBookingGroupById: typeof getBookingGroupById;
    createBookingGroup: typeof createBookingGroup;
    updateBookingGroup: typeof updateBookingGroup;
    deleteBookingGroup: typeof deleteBookingGroup;
    listGroupMembers: typeof listGroupMembers;
    getBookingGroupForBooking: typeof getBookingGroupForBooking;
    addGroupMember: typeof addGroupMember;
    removeGroupMember: typeof removeGroupMember;
    cleanupGroupOnBookingCancelled: typeof cleanupGroupOnBookingCancelled;
    listGroupBookingTravelers: typeof listGroupBookingTravelers;
};