package start_finish;

import java.time.DayOfWeek;
import java.time.Duration;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Locale;




public class DurataFunctionare
{
    private LocalDateTime start;
    private LocalDateTime end;

    private DurataFunctionare(LocalDateTime start, LocalDateTime end){
        this.start=start;
        this.end=end;
    }
    public static DurataFunctionare getInstance(LocalDateTime s, LocalDateTime e){
        if(s==null || e==null){
            return null;
        }
        if(s.isAfter(e)){return null;}

    if(s.getDayOfWeek()=DayOfWeek.SATURDAY || e.getDayofWeek()==DayOfWeek.SATURDAY){return null;}
    System.out.println("Am verificat nu este Sambata sau Duminica");
    return new DurataFunctionare(s,e);
}
public static DurataFunctionare getInstance(LocalDateTime s, Duration d){
    if(d==null){return null;}
    return new DurataFunctionare(s , s.plus(d));
}
public static DurataFunctionare getInstance(LocalDateTime s, int zile, int ore, int minute, int secunde){
    Duration
    d=Duration.ofDays(zile).plus(Duration.ofHours(ore).plus(Duration.ofMinutes(minute)).plus(Duration.ofSeconds(secunde)));
    return new DurateFunctionare(s,s.plus(d));
}
public String toString(){
    String s="Activarea incepe" + formatare(start);
    s+= "si se incheie";
    s+=formare(end);
    return s;
}
private String formatare (LocalDateTime locDT){
    Locale RO = new Local ("ro", "RO");
    return locDT.format(DateTimeFormatter.ofPattern("EEEE dd.MM.yyyy 'ora' HH:mm:ss", RO));
}
public static void main (String[] args){
    DurataFunctionare d1=DurataFunctionare.getInstance(LocalDateTime.now(), LocalDateTime.now().plusHours(2));
    System.out.println(d1.toString());
}

}