package com.jsql.model.injection.strategy.blind.callable;
   
   import com.jsql.model.InjectionModel;
   import com.jsql.model.injection.strategy.blind.AbstractInjectionBit.BlindOperator;
   import com.jsql.model.injection.strategy.blind.InjectionTime;
   
   import java.time.LocalDateTime;
   import java.time.ZoneOffset;
   
  /**
   * Define a call HTTP to the server, require the associated url, character position and bit.
   * diffSeconds represents the response time of the current page
   */
  public class CallableTime extends AbstractCallableBit<CallableTime> {
      
      /**
       * Current page loading time.
       */
      private long diffSeconds;
  
      private final InjectionModel injectionModel;
      
      private final InjectionTime injectionTime;
      private final String metadataInjectionProcess;
      
      /**
       * Constructor for preparation and blind confirmation.
       */
      public CallableTime(
          String sqlQuery,
          InjectionModel injectionModel,
          InjectionTime injectionTime,
          BlindOperator blindOperator,
          String metadataInjectionProcess
      ) {
          this.injectionModel = injectionModel;
          this.injectionTime = injectionTime;
          this.metadataInjectionProcess = metadataInjectionProcess;
          this.booleanUrl = this.injectionModel.getMediatorEngine().getEngine().instance().sqlTestTimeWithOperator(sqlQuery, blindOperator);
      }
      
      /**
       * Constructor for bit test.
       */
      public CallableTime(
          String sqlQuery,
          int indexChar,
          int bit,
          InjectionModel injectionModel,
          InjectionTime injectionTime,
          BlindOperator blindOperator,
          String metadataInjectionProcess
      ) {
          this(sqlQuery, injectionModel, injectionTime, blindOperator, metadataInjectionProcess);
          this.booleanUrl = this.injectionModel.getMediatorEngine().getEngine().instance().sqlTimeBit(sqlQuery, indexChar, bit, blindOperator);
          this.currentIndex = indexChar;
          this.currentBit = bit;
      }
      
      @Override
      public boolean isTrue() {
          return this.diffSeconds < this.injectionTime.getSleepTime();
      }
  
      /**
       * Process the URL HTTP call, use function inject() from the model.
       * Calculate the response time of the current page.
       * @return Functional Time callable
       */
      @Override
      public CallableTime call() {
          var timeInMillisOnStart = LocalDateTime.now(ZoneOffset.UTC).toEpochSecond(ZoneOffset.UTC);
          this.injectionTime.callUrl(this.booleanUrl, this.metadataInjectionProcess, this);
          var timeInMillisOnEnd = LocalDateTime.now(ZoneOffset.UTC).toEpochSecond(ZoneOffset.UTC);
          this.diffSeconds = timeInMillisOnEnd - timeInMillisOnStart;
          return this;
      }
  }