/**
 * Maps module names between backend and n8n workflow
 */
class N8nMapper {
  /**
   * Map Zoho module names
   */
  static mapZohoModule(service, module) {
    const moduleMap = {
      crm: {
        leads: 'leads',
        contacts: 'contacts',
        accounts: 'accounts',
        deals: 'deals',
        tasks: 'tasks',
        purchase_orders: 'purchase_orders',
        sales_orders: 'sales_orders',
        invoices: 'invoices'
      },
      books: {
        organizations: 'organizations',
        contacts: 'contacts',
        customers: 'customers',
        vendors: 'vendors',
        accounts: 'accounts',
        purchase_orders: 'purchase_orders',
        sales_orders: 'sales_orders',
        invoices: 'invoices',
        bills: 'bills',
        expenses: 'expenses'
      },
      people: {
        employees: 'employees',
        departments: 'departments',
        timesheets: 'timesheets',
        leaves: 'leaves',
        attendence: 'attendence',
        attendence_entries: 'attendence_entries',
        attendence_report: 'attendence_report',
        leave_tracker: 'leave_tracker',
        leaves_data: 'leaves_data',
        goals_data: 'goals_data',
        performance_data: 'performance_data'
      },
      projects: {
        portals: 'portals',
        projects: 'projects',
        tasks: 'tasks',
        all_tasks: 'all_tasks',
        tasklists: 'tasklists',
        all_tasklists: 'all_tasklists',
        issues: 'issues',
        phases: 'phases'
      }
    };

    return moduleMap[service]?.[module] || module;
  }

  /**
   * Map Salesforce module names
   */
  static mapSalesforceModule(service, module) {
    const moduleMap = {
      crm: {
        leads: 'leads',
        accounts: 'accounts',
        tasks: 'tasks',
        opportunities: 'opportunities',
        events: 'events',
        reports: 'reports'
      }
    };

    return moduleMap[service]?.[module] || module;
  }

  /**
   * Get supported modules for a provider and service
   */
  static getSupportedModules(provider, service) {
    const modules = {
      zoho: {
        crm: ['leads', 'contacts', 'accounts', 'deals', 'tasks', 'purchase_orders', 'sales_orders', 'invoices'],
        books: ['organizations', 'contacts', 'customers', 'vendors', 'accounts', 'purchase_orders', 'sales_orders', 'invoices', 'bills', 'expenses'],
        people: ['employees', 'departments', 'timesheets', 'leaves', 'attendence', 'attendence_entries', 'attendence_report', 'leave_tracker', 'leaves_data', 'goals_data', 'performance_data'],
        projects: ['portals', 'projects', 'tasks', 'all_tasks', 'tasklists', 'all_tasklists', 'issues', 'phases']
      },
      salesforce: {
        crm: ['leads', 'accounts', 'tasks', 'opportunities', 'events', 'reports']
      },
      intuit: {
        // Add QuickBooks modules when implemented
      }
    };

    return modules[provider]?.[service] || [];
  }

  /**
   * Validate if provider, service, and module combination is supported
   */
  static isSupported(provider, service, module) {
    const supportedModules = this.getSupportedModules(provider, service);
    return supportedModules.includes(module);
  }
}

module.exports = N8nMapper;