hospital.ts

class HospitalPerson {
  protected name: string;
  protected id: number;
  constructor(name: string, id: number) {
    this.name = name;
    this.id = id;
  }

  getDetails(): string {
    return `ID: ${this.id}, Name: ${this.name}`;
  }

  // polymorphic method
  getRole(): string {
    return `Hospital person`;
  }
}

class Doctor extends HospitalPerson {
  private specialization: string;
  constructor(name: string, id: number, specialization: string) {
    super(name, id);
    this.specialization = specialization;
  }

  getRole(): string {
    return "Doctor";
  }

  diagnose(): void {
    console.log(`${this.name} is diagnosing patients`);
  }
}

class Nurse extends HospitalPerson {
  getRole(): string {
    return "Nurse";
  }
  assistDoctor(): void {
    console.log(`${this.name} is assisting the doctor`);
  }
}

class Patient extends HospitalPerson {
  private illness: string;
  constructor(name: string, id: number, illness: string) {
    super(name, id);
    this.illness = illness;
  }

  getRole(): string {
    return "Patient";
  }

  getIllness(): string {
    return this.illness;
  }
}

const hospitalPeople: HospitalPerson[] = [
  new Doctor("Dr Ramesh", 1, "cardiology"),
  new Nurse("Anita", 2),
  new Patient("Rahul", 3, "Fever"),
];

hospitalPeople.forEach((person) => {
    console.log(person.getDetails());
    console.log(person.getRole());
});

const doctor = new Doctor('Dr anusha', 4, 'surgen');
console.log(doctor.getDetails())
console.log(doctor.getRole())
console.log(doctor.diagnose())