/*
    * SPDX-FileCopyrightText: Copyright (c) 2011-2026 Yegor Bugayenko
    * SPDX-License-Identifier: MIT
    */
   package com.qulice.checkstyle;
   
   import com.qulice.spi.Environment;
   import com.qulice.spi.Violation;
   import java.io.File;
  import java.io.IOException;
  import java.util.Collection;
  import org.cactoos.io.ResourceOf;
  import org.cactoos.text.FormattedText;
  import org.cactoos.text.IoCheckedText;
  import org.cactoos.text.TextOf;
  import org.hamcrest.MatcherAssert;
  import org.hamcrest.Matchers;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  
  /**
   * Test case for {@link CheckstyleValidator}'s handling of
   * {@link CascadeIndentationCheck}.
   *
   * @since 0.25.1
   */
  final class CascadeIndentationCheckTest {
  
      @Test
      void reportsErrorWhenIndentationIsIncorrect() throws Exception {
          final String file = "InvalidIndentation.java";
          MatcherAssert.assertThat(
              "Invalid cascade indentation must be reported",
              this.runValidation(file, false),
              Matchers.hasItem(
                  new ViolationMatcher(
                      "Indentation (14) must be same or less than", file
                  )
              )
          );
      }
  
      @Test
      void acceptsValidIndentation() throws Exception {
          Assertions.assertDoesNotThrow(
              () -> this.runValidation("ValidIndentation.java", true)
          );
      }
  
      @Test
      void allowsProperIndentationInAnnotations() throws Exception {
          Assertions.assertDoesNotThrow(
              () -> this.runValidation("AnnotationIndentation.java", true)
          );
      }
  
      @Test
      void rejectsImproperIndentationInAnnotations() throws Exception {
          Assertions.assertDoesNotThrow(
              () -> this.runValidation("AnnotationIndentationNegative.java", false)
          );
      }
  
      @Test
      void rejectsCascadeIndentAfterStandaloneClosingBracket() throws Exception {
          final String file = "CascadeAfterClosingBracket.java";
          MatcherAssert.assertThat(
              "Indented chain after a standalone closing bracket must be reported",
              this.runValidation(file, false),
              Matchers.hasItem(
                  new ViolationMatcher(
                      "must not be greater than the closing bracket", file
                  )
              )
          );
      }
  
      @Test
      void rejectsTwoClosingBracketsAtTheSameIndentation() throws Exception {
          final String file = "TwinClosingBrackets.java";
          MatcherAssert.assertThat(
              "Two closing brackets at one indentation must be reported",
              this.runValidation(file, false),
              Matchers.hasItem(
                  new ViolationMatcher(
                      "closing bracket line must be less than", file
                  )
              )
          );
      }
  
      @Test
      void acceptsProperlyNestedClosingBrackets() throws Exception {
          Assertions.assertDoesNotThrow(
              () -> this.runValidation("NestedClosingBrackets.java", true)
          );
      }
  
      private Collection<Violation> runValidation(final String file,
         final boolean passes) throws IOException {
         final Environment.Mock mock = new Environment.Mock();
         final Environment env = mock.withParam(
             "license",
             String.format(
                 "file:%s",
                 new License().savePackageInfo(
                     new File(mock.basedir(), "src/main/java/foo")
                 ).withLines("Hello.")
                     .withEol(String.valueOf('\n')).file()
             )
         ).withFile(
             String.format("src/main/java/foo/%s", file),
             new IoCheckedText(
                 new TextOf(
                     new ResourceOf(
                         new FormattedText("com/qulice/checkstyle/%s", file)
                     )
                 )
             ).asString()
         );
         final Collection<Violation> results =
             new CheckstyleValidator(env).validate(env.files(file));
         MatcherAssert.assertThat(
             "validation result should match expected state",
             results.isEmpty(),
             Matchers.is(passes)
         );
         return results;
     }
 }