/**
 * Add client_portal_config JSONB column to projects and project_templates tables
 */
exports.config = { transaction: false };

const DEFAULT_CLIENT_PORTAL_CONFIG = {
  show_phases: false,
  show_phase_completion: false,
  show_tasks: false,
  visible_task_fields: ['task_name', 'due_date', 'status']
};

exports.up = async function(knex) {
  console.log('Adding client_portal_config column to projects and project_templates...');

  // Add to projects table
  await knex.schema.alterTable('projects', (table) => {
    table.jsonb('client_portal_config').defaultTo(JSON.stringify(DEFAULT_CLIENT_PORTAL_CONFIG));
  });
  console.log('  ✓ Added client_portal_config to projects table');

  // Backfill existing projects with default config
  // CitusDB requires select-then-update pattern with tenant in WHERE clause
  const projectsToUpdate = await knex('projects')
    .select('project_id', 'tenant')
    .whereNull('client_portal_config');

  for (const record of projectsToUpdate) {
    await knex('projects')
      .where('project_id', record.project_id)
      .andWhere('tenant', record.tenant)
      .update({ client_portal_config: JSON.stringify(DEFAULT_CLIENT_PORTAL_CONFIG) });
  }
  console.log(`  ✓ Updated ${projectsToUpdate.length} existing projects with default config`);

  // Add to project_templates table
  await knex.schema.alterTable('project_templates', (table) => {
    table.jsonb('client_portal_config').defaultTo(JSON.stringify(DEFAULT_CLIENT_PORTAL_CONFIG));
  });
  console.log('  ✓ Added client_portal_config to project_templates table');

  // Backfill existing templates with default config
  // CitusDB requires select-then-update pattern with tenant in WHERE clause
  const templatesToUpdate = await knex('project_templates')
    .select('template_id', 'tenant')
    .whereNull('client_portal_config');

  for (const record of templatesToUpdate) {
    await knex('project_templates')
      .where('template_id', record.template_id)
      .andWhere('tenant', record.tenant)
      .update({ client_portal_config: JSON.stringify(DEFAULT_CLIENT_PORTAL_CONFIG) });
  }
  console.log(`  ✓ Updated ${templatesToUpdate.length} existing templates with default config`);

  console.log('Client portal config columns added successfully');
};

exports.down = async function(knex) {
  console.log('Dropping client_portal_config columns...');

  await knex.schema.alterTable('projects', (table) => {
    table.dropColumn('client_portal_config');
  });
  console.log('  ✓ Dropped client_portal_config from projects table');

  await knex.schema.alterTable('project_templates', (table) => {
    table.dropColumn('client_portal_config');
  });
  console.log('  ✓ Dropped client_portal_config from project_templates table');

  console.log('Client portal config columns dropped successfully');
};