import {
	PrimaryColumn,
	Entity,
	Index,
	JoinColumn,
	Column,
	ManyToOne,
} from "typeorm";
import { User } from "./user.js";
import { UserList } from "./user-list.js";
import { id } from "../id.js";

@Entity()
@Index(['userId', 'userListId'], { unique: true })
export class UserListJoining {
	@PrimaryColumn(id())
	public id: string;

	@Column('timestamp with time zone', {
		comment: 'The created date of the UserListJoining.',
	})
	public createdAt: Date;

	@Index()
	@Column({
		...id(),
		comment: 'The user ID.',
	})
	public userId: User["id"];

	@ManyToOne(type => User, {
		onDelete: 'CASCADE',
	})
	@JoinColumn()
	public user: User | null;

	@Index()
	@Column({
		...id(),
		comment: 'The list ID.',
	})
	public userListId: UserList["id"];

	@ManyToOne(type => UserList, {
		onDelete: 'CASCADE',
	})
	@JoinColumn()
	public userList: UserList | null;
}