package at.gv.egovernment.moa.id.auth.modules.ehvd.test.attributes;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import org.apache.commons.lang3.RandomStringUtils;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.BlockJUnit4ClassRunner;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import at.gv.egiz.eaaf.core.api.idp.IAttributeGenerator;
import at.gv.egiz.eaaf.core.api.idp.IAuthData;
import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
import at.gv.egiz.eaaf.core.api.idp.ISPConfiguration;
import at.gv.egiz.eaaf.core.exceptions.AttributeBuilderException;
import at.gv.egiz.eaaf.core.impl.idp.AuthenticationData;
import at.gv.egiz.eaaf.core.impl.idp.builder.SimpleStringAttributeGenerator;
import at.gv.egiz.eaaf.core.impl.idp.module.test.DummySPConfiguration;
import at.gv.egiz.eaaf.modules.pvp2.impl.builder.PVPAttributeBuilder;
import at.gv.egovernment.moa.id.auth.modules.ehvd.attributes.PvpRoleAttributeBuilder;
import at.gv.egovernment.moa.id.data.AuthenticationRole;
import at.gv.egovernment.moa.id.data.AuthenticationRoleFactory;
import at.gv.egovernment.moa.id.data.MOAAuthenticationData;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration({
    "/test_ehvd_service_auth.beans.xml" })
public class PvpRoleAttributeBuilderTest {

  @Autowired
  private IConfiguration basicConfig;
  
  private PvpRoleAttributeBuilder toTest = new PvpRoleAttributeBuilder();
  private IAttributeGenerator<String> g = new SimpleStringAttributeGenerator();
  private ISPConfiguration oaParam;

   
  @Before
  public void initialize() {
    oaParam = new DummySPConfiguration(Collections.emptyMap(), basicConfig);
    
  }
  
  @Test
  public void checkAttributeRegistration() {
    assertNotNull("Attribute: urn:oid:1.2.40.0.10.2.1.1.261.30 not registrated", 
        PVPAttributeBuilder.getAttributeBuilder("urn:oid:1.2.40.0.10.2.1.1.261.30"));
    
  }
  
  @Test
  public void checkName() {    
    assertEquals("wrong attr. name", "urn:oid:1.2.40.0.10.2.1.1.261.30", toTest.getName());
    
  }
  
  @Test
  public void checkEmptyAttribute() {    
    assertNull("wrong empty attr.", toTest.buildEmpty(g));
    
  }
  
  @Test
  public void wrongAuthData() throws AttributeBuilderException {            
    IAuthData authData = new AuthenticationData();       
    assertNull("wrong attr. value", toTest.build(oaParam, authData, g));
    
  }
  
  @Test
  public void noRoles() throws AttributeBuilderException {            
    IAuthData authData = generateAuthData(null);       
    assertNull("wrong attr. value", toTest.build(oaParam, authData, g));
    
  }
  
  @Test
  public void emptyRoles() throws AttributeBuilderException {            
    IAuthData authData = generateAuthData(Collections.emptyList());       
    assertNull("wrong attr. value", toTest.build(oaParam, authData, g));
    
  }

  @Test
  public void randomRoles() throws AttributeBuilderException {            
    String role1 = RandomStringUtils.randomAlphabetic(5);
    String role2 = RandomStringUtils.randomAlphabetic(5);
    String role3 = RandomStringUtils.randomAlphabetic(5);
    String role4 = RandomStringUtils.randomAlphabetic(5);
    
    IAuthData authData = generateAuthData(Arrays.asList(
        new AuthenticationRole(role1, role1), 
        new AuthenticationRole(role2, role2),
        new AuthenticationRole(role3, role3 + "()"),
        new AuthenticationRole(role4, role4 + "(\"aaa\"=\"bbb\")")
        ));       
    
    // perform test
    String attrValue = toTest.build(oaParam, authData, g);
    
    // validate state
    assertNotNull("wrong attr. value", attrValue);
    assertFalse("List delimiter after last element" ,attrValue.endsWith(";"));
    
    
    String[] el = attrValue.split(";");
    assertEquals("wrong role count", 4, el.length);
    assertEquals("wrong 1. role", role1, el[0]);
    assertEquals("wrong 2. role", role2, el[1]);
    assertEquals("wrong 3. role", role3 + "()", el[2]);
    assertEquals("wrong 4. role", role4 + "(\"aaa\"=\"bbb\")", el[3]);
    
    
  }
  
  @Test
  public void brzProductionRole() throws AttributeBuilderException {            
    
    IAuthData authData = generateAuthData(Arrays.asList(
        AuthenticationRoleFactory.buildFormPVPole("EPI-GDA()")));
    
    // perform test
    String attrValue = toTest.build(oaParam, authData, g);
    
    // validate state
    assertNotNull("wrong attr. value", attrValue);
    assertFalse("List delimiter after last element" ,attrValue.endsWith(";"));
    
    
    String[] el = attrValue.split(";");
    assertEquals("wrong role count", 1, el.length);
    assertEquals("wrong 1. role", "EPI-GDA()", el[0]);
    
    assertEquals("wrong role attr. value", "EPI-GDA()", attrValue);
    
  }
  
  private IAuthData generateAuthData(List<AuthenticationRole> roles) {
    MOAAuthenticationData authData = new MOAAuthenticationData(null);
    if (roles != null) {
      roles.forEach(el -> authData.addAuthenticationRole(el));
      
    }
    
    return authData;
    
  }
  
}