content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  package com.itsaky.androidide.lsp.java.rewrite;
  
  import androidx.annotation.NonNull;
  import com.itsaky.androidide.lsp.java.compiler.CompilerProvider;
  import com.itsaky.androidide.lsp.java.compiler.SynchronizedTask;
  import com.itsaky.androidide.lsp.java.utils.FindHelper;
  import com.itsaky.androidide.lsp.models.TextEdit;
  import com.itsaky.androidide.models.Position;
  import com.itsaky.androidide.models.Range;
  import com.itsaky.androidide.preferences.utils.EditorUtilKt;
  import java.nio.file.Path;
  import java.util.Collections;
  import java.util.Map;
  import openjdk.source.util.Trees;
  
  public class AddSuppressWarningAnnotation extends Rewrite {
  
    final String className, methodName;
    final String[] erasedParameterTypes;
  
    public AddSuppressWarningAnnotation(
        String className, String methodName, String[] erasedParameterTypes) {
      this.className = className;
      this.methodName = methodName;
      this.erasedParameterTypes = erasedParameterTypes;
    }
  
    @NonNull
    @Override
    public Map<Path, TextEdit[]> rewrite(@NonNull CompilerProvider compiler) {
      Path file = compiler.findTypeDeclaration(className);
      if (file == CompilerProvider.NOT_FOUND) {
        return CANCELLED;
      }
      SynchronizedTask synchronizedTask = compiler.compile(file);
      return synchronizedTask.get(
          task -> {
            final var trees = Trees.instance(task.task);
            final var methodElement =
                FindHelper.findMethod(task, className, methodName, erasedParameterTypes);
            if (methodElement == null) {
              return CANCELLED;
            }
            final var methodTree = trees.getTree(methodElement);
            if (methodTree == null) {
              return CANCELLED;
            }
            final var startMethod = (int) trees.getSourcePositions()
                .getStartPosition(task.root(), methodTree);
            final var lines = task.root().getLineMap();
            final var line = (int) lines.getLineNumber(startMethod);
            final var column = (int) lines.getColumnNumber(startMethod);
            final var startLine = (int) lines.getStartPosition(line);
            final var indent = EditorUtilKt.indentationString(startMethod - startLine);
            final var insertText = "@SuppressWarnings(\"unchecked\")\n" + indent;
            final var insertPoint = new Position(line - 1, column - 1);
            final var edits = new TextEdit[]{
                new TextEdit(new Range(insertPoint, insertPoint), insertText)};
            return Collections.singletonMap(file, edits);
          });
    }
  }
  