import { Migration } from '@mikro-orm/migrations';

export class Migration20260701150000_addUserGroupsTable extends Migration {

  override async up(): Promise<void> {
    this.addSql(`
      create table "user_groups" (
        "id" char(26) not null,
        "created_at" timestamptz not null default now(),
        "updated_at" timestamptz not null default now(),
        "deleted_at" timestamptz null,
        "restaurant_id" char(26) not null,
        "name" varchar(255) not null,
        "count" int not null default 0,
        constraint "user_groups_pkey" primary key ("id")
      );
    `);
    this.addSql(`create index "user_groups_created_at_index" on "user_groups" ("created_at");`);
    this.addSql(`create index "user_groups_deleted_at_index" on "user_groups" ("deleted_at");`);
    this.addSql(`create index "user_groups_restaurant_id_index" on "user_groups" ("restaurant_id");`);
    this.addSql(`create unique index "user_groups_restaurant_id_name_unique" on "user_groups" ("restaurant_id", "name") where "deleted_at" is null;`);
    this.addSql(`
      alter table "user_groups"
      add constraint "user_groups_restaurant_id_foreign"
      foreign key ("restaurant_id") references "restaurants" ("id") on update cascade;
    `);
  }

  override async down(): Promise<void> {
    this.addSql(`alter table "user_groups" drop constraint if exists "user_groups_restaurant_id_foreign";`);
    this.addSql(`drop table if exists "user_groups" cascade;`);
  }

}