/**
 * @type {import('node-pg-migrate').ColumnDefinitions | undefined}
 */
export const shorthands = undefined;

/**
 * @param pgm {import('node-pg-migrate').MigrationBuilder}
 * @param run {() => void | undefined}
 * @returns {Promise<void> | void}
 */
export const up = (pgm) => {
  // Add supabase_user_id column to user_profiles table
  pgm.addColumn('user_profiles', {
    supabase_user_id: {
      type: 'uuid',
      unique: true,
    },
  });

  // Create index for faster lookups
  pgm.createIndex('user_profiles', 'supabase_user_id', {
    unique: true,
    where: 'supabase_user_id IS NOT NULL',
  });

  // Add comment
  pgm.sql(`
    COMMENT ON COLUMN user_profiles.supabase_user_id IS 'Links to Supabase Auth user ID for authentication migration';
  `);
};

/**
 * @param pgm {import('node-pg-migrate').MigrationBuilder}
 * @param run {() => void | undefined}
 * @returns {Promise<void> | void}
 */
export const down = (pgm) => {
  pgm.dropIndex('user_profiles', 'supabase_user_id');
  pgm.dropColumn('user_profiles', 'supabase_user_id');
};