/*
    *    Copyright 2010-2025 the original author or authors.
    *
    *    Licensed under the Apache License, Version 2.0 (the "License");
    *    you may not use this file except in compliance with the License.
    *    You may obtain a copy of the License at
    *
    *       https://www.apache.org/licenses/LICENSE-2.0
    *
   *    Unless required by applicable law or agreed to in writing, software
   *    distributed under the License is distributed on an "AS IS" BASIS,
   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *    See the License for the specific language governing permissions and
   *    limitations under the License.
   */
  package org.apache.ibatis.migration.commands;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.io.File;
  import java.io.FileNotFoundException;
  import java.io.IOException;
  import java.io.PrintWriter;
  import java.nio.file.FileSystems;
  import java.nio.file.NoSuchFileException;
  import java.nio.file.Path;
  import java.util.Properties;
  import java.util.Scanner;
  
  import org.apache.ibatis.migration.io.Resources;
  import org.apache.ibatis.migration.utils.TestUtil;
  import org.junit.jupiter.api.Test;
  
  class BaseCommandTest {
    @Test
    void testNonexistentResource() throws Exception {
      String resource = "org/apache/ibatis/migration/commands/NoSuchFile.sql";
      IOException e = assertThrows(IOException.class, () -> {
        Resources.getResourceAsFile(resource);
      });
      assertEquals(e.getMessage(), "Could not find resource " + resource);
    }
  
    @Test
    void testNonexistentFile() throws Exception {
      String srcPath = TestUtil.getTempDir().getAbsolutePath() + FileSystems.getDefault().getSeparator()
          + "NoSuchFile.sql";
      File dest = File.createTempFile("Out", ".sql");
      dest.deleteOnExit();
      NoSuchFileException e = assertThrows(NoSuchFileException.class, () -> {
        BaseCommand.copyTemplate(Path.of(srcPath).toFile(), dest, null);
      });
      assertEquals(e.getMessage(), srcPath);
    }
  
    @Test
    void testCopyResource() throws Exception {
      File src = Resources.getResourceAsFile("org/apache/ibatis/migration/commands/TestTemplate.sql");
      File dest = File.createTempFile("Out", ".sql");
      dest.deleteOnExit();
      BaseCommand.copyTemplate(src, dest, null);
      assertTrue(contentOf(dest).contains("// ${var}"));
    }
  
    @Test
    void testCopyResourceWithVariables() throws Exception {
      File src = Resources.getResourceAsFile("org/apache/ibatis/migration/commands/TestTemplate.sql");
      File dest = File.createTempFile("Out", ".sql");
      dest.deleteOnExit();
      Properties variables = new Properties();
      variables.put("var", "Some description");
      BaseCommand.copyTemplate(src, dest, variables);
      assertTrue(contentOf(dest).contains("// Some description"));
    }
  
    @Test
    void testExternalFile() throws Exception {
      File src = File.createTempFile("ExternalTemplate", ".sql");
      src.deleteOnExit();
      try (PrintWriter writer = new PrintWriter(src)) {
        writer.println("// ${var}");
      }
  
      File dest = File.createTempFile("Out", ".sql");
      dest.deleteOnExit();
      BaseCommand.copyTemplate(src, dest, null);
      assertTrue(contentOf(dest).contains("// ${var}"));
    }
  
    @Test
    void testExternalFileWithVariables() throws Exception {
      File src = File.createTempFile("ExternalTemplate", ".sql");
      src.deleteOnExit();
      try (PrintWriter writer = new PrintWriter(src)) {
        writer.println("// ${var}");
      }
  
     File dest = File.createTempFile("Out", ".sql");
     dest.deleteOnExit();
     Properties variables = new Properties();
     variables.put("var", "Some description");
     BaseCommand.copyTemplate(src, dest, variables);
     assertTrue(contentOf(dest).contains("// Some description"));
   }
 
   protected static String contentOf(File file) throws FileNotFoundException {
     try (Scanner scanner = new Scanner(file)) {
       return scanner.useDelimiter("\\Z").next();
     }
   }
 }