'use strict';

/** @type {import('sequelize-cli').Migration} */
module.exports = {
  async up (queryInterface, Sequelize) {
    console.log('Creating guest_settings table...');
    
    await queryInterface.createTable('guest_settings', {
      id: {
        type: Sequelize.CHAR(36),
        primaryKey: true,
        allowNull: false,
        comment: 'UUID primary key'
      },
      max_quizzes: {
        type: Sequelize.INTEGER,
        allowNull: false,
        defaultValue: 3,
        comment: 'Maximum number of quizzes a guest can take'
      },
      expiry_hours: {
        type: Sequelize.INTEGER,
        allowNull: false,
        defaultValue: 24,
        comment: 'Guest session expiry time in hours'
      },
      public_categories: {
        type: Sequelize.JSON,
        allowNull: false,
        defaultValue: '[]',
        comment: 'Array of category UUIDs accessible to guests'
      },
      feature_restrictions: {
        type: Sequelize.JSON,
        allowNull: false,
        defaultValue: '{"allowBookmarks":false,"allowReview":true,"allowPracticeMode":true,"allowTimedMode":false,"allowExamMode":false}',
        comment: 'Feature restrictions for guest users'
      },
      created_at: {
        type: Sequelize.DATE,
        allowNull: false,
        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP')
      },
      updated_at: {
        type: Sequelize.DATE,
        allowNull: false,
        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP')
      }
    }, {
      comment: 'System-wide guest user settings'
    });

    console.log('✅ guest_settings table created successfully');
  },

  async down (queryInterface, Sequelize) {
    console.log('Dropping guest_settings table...');
    await queryInterface.dropTable('guest_settings');
    console.log('✅ guest_settings table dropped successfully');
  }
};