ProtocolsAndDelegales.swift

//
//  main.swift
//  protocols and delegates
//
//  Created by Paul Franco on 8/16/20.
//

protocol EmergencyMedicalTechnician {
    func performCPR()
}


class EmergencyCallHandler {
    var delegate: EmergencyMedicalTechnician?
    
    func takeEmergencyCall() {
        // Emergency Call Procedures
        // Answer Call
        print("Answer Call")
        // Get Emergency details
        print("Get Emergency details")
        // Other procedures
    }
    
    func dispatchMedicalEmergency() {
        delegate?.performCPR()
    }
}

struct Paramedic: EmergencyMedicalTechnician {
    init(handler: EmergencyCallHandler) {
        handler.delegate = self
    }
    
    func performCPR() {
        print("Paramedic performs CPR by giving chest compressions")
    }
}

struct Nurse: EmergencyMedicalTechnician {
    init(handler: EmergencyCallHandler) {
        handler.delegate = self
    }
    
    func performCPR() {
        print("Paramedic performs CPR by giving chest compressions")
    }
    
    func drawBlood() {
        print("drawing blood")
    }
}

let John = EmergencyCallHandler()
let Susan = Nurse(handler: John)

John.takeEmergencyCall()
John.dispatchMedicalEmergency()