greeter.h

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#pragma once
 
#include <string>
 
namespace xnetwork {
 
    enum class LanguageCode {
        EN,  
        DE,  
        ES,  
        FR   
    };
 
    class Greeter {
      public:
        explicit Greeter(std::string name) : name_(std::move(name)) {}
 
        std::string greet(LanguageCode lang) const {
            switch (lang) {
                case LanguageCode::DE:
                    return "Hallo " + name_ + "!";
                case LanguageCode::ES:
                    return "!Hola " + name_ + "!";
                case LanguageCode::FR:
                    return "Bonjour " + name_ + "!";
                default:
                    return "Hello " + name_ + "!";
            }
        }
 
      private:
        std::string name_;  
    };
 
}  // namespace xnetwork