content: /*
   * This file is a part of BSL Language Server.
   *
   * Copyright (c) 2018-2025
   * Alexey Sosnoviy <labotamy@gmail.com>, Nikita Fedkin <nixel2007@gmail.com> and contributors
   *
   * SPDX-License-Identifier: LGPL-3.0-or-later
   *
   * BSL Language Server is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 3.0 of the License, or (at your option) any later version.
   *
   * BSL Language Server 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
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with BSL Language Server.
   */
  package com.github._1c_syntax.bsl.languageserver.providers;
  
  import com.github._1c_syntax.bsl.languageserver.codeactions.CodeActionSupplier;
  import com.github._1c_syntax.bsl.languageserver.context.DocumentContext;
  import lombok.RequiredArgsConstructor;
  import org.eclipse.lsp4j.CodeAction;
  import org.eclipse.lsp4j.CodeActionKind;
  import org.eclipse.lsp4j.CodeActionParams;
  import org.eclipse.lsp4j.Command;
  import org.eclipse.lsp4j.Diagnostic;
  import org.eclipse.lsp4j.TextEdit;
  import org.eclipse.lsp4j.WorkspaceEdit;
  import org.eclipse.lsp4j.jsonrpc.messages.Either;
  import org.springframework.stereotype.Component;
  
  import java.net.URI;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Optional;
  import java.util.stream.Collectors;
  
  @Component
  @RequiredArgsConstructor
  public final class CodeActionProvider {
  
    private final List<CodeActionSupplier> codeActionSuppliers;
  
    public static List<CodeAction> createCodeActions(
      List<TextEdit> textEdits,
      String title,
      URI uri,
      List<Diagnostic> diagnostics
    ) {
  
      if (diagnostics.isEmpty()) {
        return Collections.emptyList();
      }
  
      WorkspaceEdit edit = new WorkspaceEdit();
  
      Map<String, List<TextEdit>> changes = new HashMap<>();
      changes.put(uri.toString(), textEdits);
      edit.setChanges(changes);
  
      if (diagnostics.size() > 1) {
        title = "Fix all: " + title;
      }
  
      CodeAction codeAction = new CodeAction(title);
      codeAction.setDiagnostics(diagnostics);
      codeAction.setEdit(edit);
      codeAction.setKind(CodeActionKind.QuickFix);
      if (diagnostics.size() == 1) {
        codeAction.setIsPreferred(Boolean.TRUE);
      }
  
      return Collections.singletonList(codeAction);
  
    }
  
    public List<Either<Command, CodeAction>> getCodeActions(
      CodeActionParams params,
      DocumentContext documentContext
    ) {
  
      List<String> only = Optional.ofNullable(params.getContext().getOnly())
        .orElse(Collections.emptyList());
  
      return codeActionSuppliers.stream()
        .flatMap(codeActionSupplier -> codeActionSupplier.getCodeActions(params, documentContext).stream())
        .filter(codeAction -> only.isEmpty() || only.contains(codeAction.getKind()))
        .map(Either::<Command, CodeAction>forRight)
        .collect(Collectors.toList());
    }
  
  }
  