/*
 * RiskScape™ Copyright New Zealand Institute for Earth Science Limited
 * (Earth Sciences New Zealand) is distributed for research purposes only
 * under the terms of AGPLv3.
 *
 * RiskScape™ Copyright 2026 New Zealand Institute for Earth Science
 * Limited (Earth Sciences New Zealand). All rights reserved. Source code
 * available under the AGPLv3.
 * 
 * This program is free software: you can redistribute it and/or modify it under
 *  the terms of the GNU Affero General Public License as published by the Free
 *  Software Foundation, either version 3 of the License, or (at your option) any
 *  later version.
 * 
 * This program is distributed for RESEARCH PURPOSES ONLY, in the hope that it will
 * be useful for research and education initiatives.
 * 
 * If you are not a researcher, or you are a researcher who wishes to use this
 * program on terms other than AGPLv3 (including those who wish to restrict the
 * distribution of any source code created using this program), please contact:
 * https://riskscape.org.nz
 * 
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Affero General Public License for more details.  You should have received a copy
 * of the GNU Affero General Public License along with this program.  If not, see
 * <http://www.gnu.org/licenses/>.
 * 
 * By way of summary only, under the AGPLv3:
 *     • Permissions of this strongest copyleft license are conditioned
 *       on making available complete source code of licensed works and
 *       modifications, which include larger works using a licensed work,
 *       under the same license.
 *     • Copyright and license notices must be preserved.
 *     • Contributors provide an express grant of patent rights.
 *     • When a modified version is used to provide a service over a
 *       network, the complete source code of the modified version must be made
 *       available.
 */
package nz.org.riskscape.wizard.bld;

import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;

import java.util.Arrays;

import org.junit.Before;
import org.junit.Test;

import nz.org.riskscape.engine.i18n.MutableMessageSource;
import nz.org.riskscape.engine.types.Struct;
import nz.org.riskscape.engine.types.Types;
import nz.org.riskscape.rl.ExpressionParser;
import nz.org.riskscape.wizard.bld.loc.ChangeLocation;
import nz.org.riskscape.wizard.bld.loc.EndOfBranchWith;
import nz.org.riskscape.wizard.survey2.BasePhase;
import nz.org.riskscape.wizard.survey2.BaseSurvey;
import nz.org.riskscape.wizard.survey2.BaseSurvey2Test;

public class IncrementalBuildStateInputStructTest extends BaseSurvey2Test {

  String startPipeline = "input(value: {foo: 'bar'}) as some_input -> select(int(foo))";

  ChangeLocation doesNotExist = ChangeLocation.atStep("atlantis");
  ChangeLocation someInputLoc = ChangeLocation.atStep("some_input");
  ChangeLocation endOfBranch = new EndOfBranchWith(someInputLoc);

  @Before
  public void setup() {
    addInitialPipeline();
  }

  @Test
  public void getInputScopeReturnsEmptyStructWhenChangeLocationNotFound() throws Exception {
    assertThat(buildState.getInputStruct(ChangeLocation.atStep("does not exist")), equalTo(Struct.EMPTY_STRUCT));
  }

  @Test
  public void getInputScopeReturnsStructFromStepWhenChangeLocationFound() throws Exception {
    assertThat(buildState.getInputStruct(someInputLoc), equalTo(Struct.of("foo", Types.TEXT)));
  }

  @Test
  public void getInputScopeReturnsStructFromAnonymousStepWhenChangeLocationFound() throws Exception {
    assertThat(buildState.getInputStruct(endOfBranch), equalTo(Struct.of("int_foo", Types.INTEGER)));
  }

  @Override
  protected BaseSurvey createSurvey() {
    return new BaseSurvey("test", new MutableMessageSource(), self -> Arrays.asList(
      BasePhase.simple(self, "start", false, qs -> {
        qs.addHiddenQuestion("start")
          .then(input -> PipelineChange.simple((a, ibs) -> ExpressionParser.INSTANCE.parsePipeline(startPipeline))
        );
      })
    ));
  }

}
