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package kz.greetgo.scheduling.trigger.inner_logic;

import kz.greetgo.scheduling.trigger.TriggerParseError;

import java.util.List;

import static kz.greetgo.scheduling.util.ListUtil.concatLists;

public class TriggerStructPlus implements TriggerStruct {

  public final TriggerStruct a;
  public final TriggerStruct b;

  private Range range;

  public TriggerStructPlus(TriggerStruct a, TriggerStruct b) {
    this.a = a;
    this.b = b;
    range = a.range().union(b.range());
  }

  @Override
  public Range range() {
    return range;
  }

  @Override
  public String toString() {
    return "(" + a.toString() + " + " + b.toString() + ")";
  }

  @Override
  public Trigger trigger() {
    return new Trigger() {
      Trigger triggerA = a.trigger();
      Trigger triggerB = b.trigger();

      @Override
      public boolean isHit(long startedAt, long from, long to) {
        return triggerA.isHit(startedAt, from, to) || triggerB.isHit(startedAt, from, to);
      }

      @Override
      public boolean isDotty() {
        return triggerA.isDotty() && triggerB.isDotty();
      }

      @Override
      public String toString() {
        return "(" + triggerA + " + " + triggerB + ")";
      }

    };
  }

  @Override
  public List errors(Range top, String triggerString) {
    return concatLists(a.errors(top, triggerString), b.errors(top, triggerString));
  }

}