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import * as fs from 'fs';

class Employee {
  id: number;
  name: string;
  role: string;

  constructor(id: number, name: string, role: string) {
    this.id = id;
    this.name = name;
    this.role = role;
  }

  calculatePay(): number {
    if (this.role === 'developer') {
      return 5000;
    } else if (this.role === 'manager') {
      return 8000;
    } else {
      return 3000;
    }
  }

  save(): void {
    const data = `ID: ${this.id}, Name: ${this.name}, Role: ${this.role}`;
    fs.writeFileSync(`${this.id}.txt`, data);
  }
}

class EmployeeReport {
  employee: Employee;

  constructor(employee: Employee) {
    this.employee = employee;
  }

  report(): void {
    console.log(
      `Report for ${this.employee.name}, Role: ${this.employee.role}, Pay: ${this.employee.calculatePay()}`
    );
  }
}

// Usage example
const e1 = new Employee(1, 'Alice', 'developer');
const e2 = new Employee(2, 'Bob', 'manager');
e1.save();
e2.save();

const report = new EmployeeReport(e1);
report.report();