/*
 * Copyright 2021 the original author or authors.
 * <p>
 * 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
 * <p>
 * https://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.openrewrite.java.search;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.NullAndEmptySource;
import org.openrewrite.DocumentExample;
import org.openrewrite.Issue;
import org.openrewrite.test.RecipeSpec;
import org.openrewrite.test.RewriteTest;

import static org.openrewrite.java.Assertions.java;

class FindDeprecatedMethodsTest implements RewriteTest {

    @Override
    public void defaults(RecipeSpec spec) {
        spec.recipe(new FindDeprecatedMethods(null, null));
    }

    @Test
    void ignoreDeprecationsInDeprecatedMethod() {
        rewriteRun(
          spec -> spec.recipe(new FindDeprecatedMethods(null, true)),
          java(
            """
              class Test {
                  @Deprecated
                  void test(int n) {
                      if(n == 1) {
                          test(n + 1);
                      }
                  }
              }
              """
          )
        );
    }

    @SuppressWarnings("ConstantConditions")
    @Test
    void ignoreDeprecationsInDeprecatedClass() {
        rewriteRun(
          spec -> spec.recipe(new FindDeprecatedMethods(null, true)),
          java(
            """
              @Deprecated
              class Test {
                  @Deprecated
                  void test(int n) {
                  }
                  
                  Test() {
                      int n = 1;
                      if(n == 1) {
                          test(n + 1);
                      }
                  }
              }
              """
          )
        );
    }

    @DocumentExample
    @Test
    void findDeprecations() {
        rewriteRun(
          java(
            """
              class Test {
                  @Deprecated
                  void test(int n) {
                      if(n == 1) {
                          test(n + 1);
                      }
                  }
              }
              """,
            """
              class Test {
                  @Deprecated
                  void test(int n) {
                      if(n == 1) {
                          /*~~>*/test(n + 1);
                      }
                  }
              }
              """
          )
        );
    }

    @Test
    void matchOnMethod() {
        rewriteRun(
          spec -> spec.recipe(new FindDeprecatedMethods("java.lang.* *(..)", false)),
          java(
            """
              class Test {
                  @Deprecated
                  void test(int n) {
                      if(n == 1) {
                          test(n + 1);
                      }
                  }
              }
              """,
            """
              class Test {
                  @Deprecated
                  void test(int n) {
                      if(n == 1) {
                          /*~~>*/test(n + 1);
                      }
                  }
              }
              """
          )
        );
    }

    @Test
    void dontMatchWhenMethodDoesntMatch() {
        rewriteRun(
          spec -> spec.recipe(new FindDeprecatedMethods("org.junit.jupiter.api.* *(..)", false)),
          java(
            """
              class Test {
                  @Deprecated
                  void test(int n) {
                      if(n == 1) {
                          test(n + 1);
                      }
                  }
              }
              """
          )
        );
    }

    @Issue("https://github.com/openrewrite/rewrite/issues/2196")
    @ParameterizedTest
    @NullAndEmptySource
    void noNPEWhenUsedFromDeprecatedUses(String typePattern) {
        rewriteRun(
          spec -> spec.recipe(new FindDeprecatedUses(typePattern, null, null)),
          java(
            """
              class Test {
                  @Deprecated
                  void test(int n) {
                      if(n == 1) {
                          test(n + 1);
                      }
                  }
              }
              """,
            """
              class Test {
                  @Deprecated
                  void test(int n) {
                      if(n == 1) {
                          /*~~>*/test(n + 1);
                      }
                  }
              }
              """
          )
        );
    }

    @Test
    void onlyFoo() {
        rewriteRun(
          spec -> spec.recipe(new FindDeprecatedMethods("*..* foo(..)", false)),
          java(
            """
              class Test {
                  @Deprecated
                  void test(int n) {
                      if(n == 1) {
                          test(n + 1);
                      }
                  }
                  
                  @Deprecated
                  void foo(int n) {
                      if(n == 1) {
                          foo(n + 1);
                      }
                  }
              }
              """,
            """
              class Test {
                  @Deprecated
                  void test(int n) {
                      if(n == 1) {
                          test(n + 1);
                      }
                  }
                  
                  @Deprecated
                  void foo(int n) {
                      if(n == 1) {
                          /*~~>*/foo(n + 1);
                      }
                  }
              }
              """
          )
        );
    }

    @Test
    void hasImport() {
        rewriteRun(
          spec -> spec.recipe(new FindDeprecatedMethods("", null)),
          java(
            """
              package com.yourorg;
                            
              public class Foo {
                  @Deprecated
                  public void foo() {
                  }
              }
              """
          ),
          java(
            """
              import com.yourorg.Foo;
              
              class A {
                  void a() {
                      new Foo().foo();
                  }
              }
              """,
            """
              import com.yourorg.Foo;
              
              class A {
                  void a() {
                      /*~~>*/new Foo().foo();
                  }
              }
              """
          )
        );
    }
}
