/**
 * Categories module table. Module-owned naming: categories_<table>.
 */

/** @param {import('node-pg-migrate').MigrationBuilder} pgm */
export const up = (pgm) => {
  pgm.sql(`
    CREATE TABLE categories_categories (
      id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
      parent_id uuid REFERENCES categories_categories(id) ON DELETE RESTRICT,
      name text NOT NULL,
      slug text NOT NULL UNIQUE,
      seo_title text,
      seo_description text,
      created_at timestamptz NOT NULL DEFAULT now(),
      updated_at timestamptz NOT NULL DEFAULT now(),
      CONSTRAINT categories_categories_no_self_parent CHECK (parent_id IS NULL OR parent_id <> id)
    )
  `);
  pgm.sql('CREATE INDEX categories_categories_parent_id_idx ON categories_categories (parent_id)');
  pgm.sql('CREATE INDEX categories_categories_slug_idx ON categories_categories (slug)');
};

/** @param {import('node-pg-migrate').MigrationBuilder} pgm */
export const down = (pgm) => {
  pgm.sql('DROP TABLE IF EXISTS categories_categories');
};
