/**
 * Migration: Add allow_registration field to tenants table
 * This field controls whether self-registration is allowed for local auth tenants
 */

'use strict';

module.exports = {
  up: async (queryInterface, Sequelize) => {
    try {
      // Check if tenants table exists first
      const tables = await queryInterface.showAllTables();
      if (!tables.includes('tenants')) {
        console.log('⚠️  Tenants table does not exist yet, skipping allow_registration migration...');
        return;
      }

      await queryInterface.addColumn('tenants', 'allow_registration', {
      type: Sequelize.BOOLEAN,
      defaultValue: false, // Default to false for security
      allowNull: false,
      comment: 'Whether self-registration is allowed for local auth'
    });

    // For existing tenants, you might want to enable registration for specific tenants
    // Uncomment the line below to enable registration for all existing tenants (NOT RECOMMENDED for production)
    // await queryInterface.sequelize.query("UPDATE tenants SET allow_registration = true WHERE auth_provider = 'local'");
    
    console.log('✅ Added allow_registration field to tenants table');
    console.log('⚠️  Registration is disabled by default for all tenants for security');
    console.log('💡 To enable registration for a tenant, update the allow_registration field to true');
    } catch (error) {
      console.log('⚠️  Migration skipped - tables may not exist yet:', error.message);
      // Don't throw error, just skip this migration if tables don't exist
    }
  },

  down: async (queryInterface, Sequelize) => {
    await queryInterface.removeColumn('tenants', 'allow_registration');
    console.log('✅ Removed allow_registration field from tenants table');
  }
};