'use strict';

module.exports = {
  async up(queryInterface, Sequelize) {
    await queryInterface.createTable('page_user_groups', {
      page_id: {
        type:       Sequelize.BIGINT,
        allowNull:  false,
        primaryKey: true,
        references: { model: 'pages', key: 'id' },
        onDelete:   'CASCADE',
      },
      group_id: {
        type:       Sequelize.BIGINT,
        allowNull:  false,
        primaryKey: true,
        references: { model: 'user_groups', key: 'group_id' },
        onDelete:   'CASCADE',
      },
      created_at: {
        type:         Sequelize.DATE,
        allowNull:    false,
        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP'),
      },
    });

    await queryInterface.addIndex('page_user_groups', { fields: ['group_id'], name: 'idx_page_user_groups_group_id' });
  },

  async down(queryInterface) {
    await queryInterface.dropTable('page_user_groups');
  },
};