/*
 * Copyright (c) 2013, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.ts.tests.jpa.se.schemaGeneration.annotations.discriminatorColumn;

import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;

import com.sun.javatest.Status;
import com.sun.ts.lib.util.TestUtil;
import com.sun.ts.tests.jpa.common.PMClientBase;

import jakarta.persistence.EntityManagerFactory;
import jakarta.persistence.Persistence;

public class Client extends PMClientBase {

  String schemaGenerationDir = null;

  public Client() {
  }

  public static void main(String[] args) {
    Client theTests = new Client();
    Status s = theTests.run(args, System.out, System.err);
    s.exit();
  }

  public void setup(String[] args, Properties p) throws Fault {
    TestUtil.logTrace("setup");
    try {
      super.setup(args, p);

      schemaGenerationDir = System.getProperty("user.dir");
      if (!schemaGenerationDir.endsWith(File.separator)) {
        schemaGenerationDir += File.separator;
      }
      schemaGenerationDir += "schemaGeneration";
      TestUtil.logMsg("schemaGenerationDir=" + this.schemaGenerationDir);

      File f = new File(schemaGenerationDir);
      TestUtil.logMsg("Delete existing directory ");
      deleteItem(f);
      TestUtil.logMsg("Create new directory ");
      if (!f.mkdir()) {
        String msg = "Could not mkdir:" + f.getAbsolutePath();
        throw new Fault(msg);
      }
      removeTestData();
    } catch (Exception e) {
      TestUtil.logErr("Exception: ", e);
      throw new Fault("Setup failed:", e);
    }
  }

  /*
   * @testName: discriminatorColumnTest
   * 
   * @assertion_ids: PERSISTENCE:SPEC:2118.1;
   * 
   * @test_Strategy: Test the @DiscriminatorColumn annotation
   */
  public void discriminatorColumnTest() throws Fault {
    boolean pass1 = false;
    boolean pass2 = false;
    boolean pass3 = false;
    boolean pass4 = false;

    TestUtil.logMsg("Create the script(s)");
    final String CREATEFILENAME = schemaGenerationDir + File.separator
        + "create_" + this.sTestCase + ".sql";
    final String DROPFILENAME = schemaGenerationDir + File.separator + "drop_"
        + this.sTestCase + ".sql";

    File f1 = new File(CREATEFILENAME);
    TestUtil.logTrace("Deleting previous create script");
    deleteItem(f1);
    File f2 = new File(DROPFILENAME);
    TestUtil.logTrace("Deleting previous drop script");
    deleteItem(f2);

    Properties props = getPersistenceUnitProperties();
    props.put("jakarta.persistence.schema-generation.database.action", "none");
    props.put("jakarta.persistence.schema-generation.scripts.action",
        "drop-and-create");
    props.put("jakarta.persistence.schema-generation.create-database-schemas",
        "false");
    props.put("jakarta.persistence.schema-generation.scripts.create-target",
        convertToURI(CREATEFILENAME));
    props.put("jakarta.persistence.schema-generation.scripts.drop-target",
        convertToURI(DROPFILENAME));

    displayProperties(props);

    TestUtil.logMsg("Executing Persistence.createEntityManagerFactory(...)");
    EntityManagerFactory emf = Persistence
        .createEntityManagerFactory(getPersistenceUnitName(), props);
    emf.close();
    emf = null;

    TestUtil.logMsg("Check script(s) content");

    List<String> expected = new ArrayList<String>();
    expected.add("CREATE TABLE SCHEMAGENSIMPLE");
    expected.add("ID");
    expected.add("PRODUCT_TYPE");
    expected.add("PRIMARY KEY (ID)");
    pass1 = findDataInFile(f1, expected);
    // CREATE TABLE SCHEMAGENSIMPLE (ID INTEGER NOT NULL, PRODUCT_TYPE
    // VARCHAR(31), PRIMARY KEY (ID))

    pass2 = findDataInFile(f2, "DROP TABLE SCHEMAGENSIMPLE");

    TestUtil.logTrace("Execute the create script");
    props = getPersistenceUnitProperties();

    props.put("jakarta.persistence.schema-generation.database.action", "create");
    props.put("jakarta.persistence.schema-generation.scripts.action", "none");
    props.put("jakarta.persistence.schema-generation.create-database-schemas",
        "true");
    props.put("jakarta.persistence.schema-generation.create-script-source",
        convertToURI(CREATEFILENAME));
    displayProperties(props);

    TestUtil.logMsg("Executing Persistence.generateSchema(...)");
    Persistence.generateSchema(getPersistenceUnitName(), props);

    clearEMAndEMF();
    try {
      TestUtil.logMsg("Persist some data");
      getEntityTransaction(true).begin();
      Simple s = new Simple(1);
      getEntityManager().persist(s);
      getEntityTransaction().commit();
      clearCache();
      Simple s2 = getEntityManager().find(Simple.class, 1);
      if (s.equals(s2)) {
        TestUtil.logTrace("Received expected result:" + s.toString());
        pass3 = true;
      } else {
        TestUtil.logErr("Expected:" + s.toString());
        TestUtil.logErr("Actual:" + s2.toString());
      }
    } catch (Throwable t) {
      TestUtil.logErr("Received unexpected exception", t);
    }
    clearEMAndEMF();

    TestUtil.logTrace("Execute the drop script");
    props = getPersistenceUnitProperties();
    props.put("jakarta.persistence.schema-generation.database.action", "drop");
    props.put("jakarta.persistence.schema-generation.scripts.action", "none");
    props.put("jakarta.persistence.schema-generation.drop-script-source",
        convertToURI(DROPFILENAME));
    displayProperties(props);

    TestUtil.logMsg("Executing Persistence.generateSchema(...)");
    Persistence.generateSchema(getPersistenceUnitName(), props);
    clearEMAndEMF();

    TestUtil.logMsg("Try to persist an entity, it should fail");
    try {
      getEntityTransaction(true).begin();
      Simple s3 = new Simple(2);
      getEntityManager().persist(s3);
      getEntityManager().flush();
      getEntityTransaction().commit();
      TestUtil.logErr(
          "An exception should have been thrown if drop had occurred successfully");
    } catch (Exception ex) {
      TestUtil.logTrace("Receive expected exception");
      pass4 = true;
    }
    TestUtil.logTrace("pass1:" + pass1);
    TestUtil.logTrace("pass2:" + pass2);
    TestUtil.logTrace("pass3:" + pass3);
    TestUtil.logTrace("pass4:" + pass4);
    if (!pass1 || !pass2 || !pass3 || !pass4) {
      throw new Fault("discriminatorColumnTest failed");
    }
  }

  public void cleanup() throws Fault {
    TestUtil.logTrace("cleanup");
    removeTestData();
    TestUtil.logTrace("cleanup complete, calling super.cleanup");
    super.cleanup();
  }

  private void removeTestData() {
    TestUtil.logTrace("removeTestData");
    if (getEntityTransaction().isActive()) {
      getEntityTransaction().rollback();
    }
    try {
      getEntityTransaction().begin();
      TestUtil.logMsg("Try to drop table SCHEMAGENSIMPLE");
      getEntityManager().createNativeQuery("DROP TABLE SCHEMAGENSIMPLE")
          .executeUpdate();
      getEntityTransaction().commit();
    } catch (Throwable t) {
      TestUtil.logMsg(
          "AN EXCEPTION WAS THROWN DURING DROP TABLE SCHEMAGENSIMPLE, IT MAY OR MAY NOT BE A PROBLEM, "
              + t.getMessage());
    } finally {
      try {
        if (getEntityTransaction().isActive()) {
          getEntityTransaction().rollback();
        }
        clearEntityTransaction();

        // ensure that we close the EM and EMF before proceeding.
        clearEMAndEMF();
      } catch (Exception re) {
        TestUtil.logErr("Unexpected Exception in removeTestData:", re);
      }
    }
  }

}
