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.fasterxml.jackson.databind.ObjectMapper;
  import com.github._1c_syntax.bsl.languageserver.commands.CommandArguments;
  import com.github._1c_syntax.bsl.languageserver.commands.CommandSupplier;
  import lombok.RequiredArgsConstructor;
  import lombok.SneakyThrows;
  import org.eclipse.lsp4j.ExecuteCommandParams;
  import org.springframework.stereotype.Component;
  
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.CompletableFuture;
  
  /**
   * Провайдер, обрабатывающий запросы {@code workspace/executeCommans}.
   *
   * @see <a href="https://microsoft.github.io/language-server-protocol/specifications/specification-current/#workspace_executeCommand">Execute a command specification</a>.
   */
  @Component
  @RequiredArgsConstructor
  public class CommandProvider {
  
    private final Map<String, CommandSupplier<CommandArguments>> commandSuppliersById;
    private final ObjectMapper objectMapper;
  
    private final CodeLensProvider codeLensProvider;
    private final InlayHintProvider inlayHintProvider;
  
    /**
     * Выполнить серверную команду.
     *
     * @param arguments Аргументы команды.
     *
     * @return Результат выполнения команды.
     */
    public Object executeCommand(CommandArguments arguments) {
      var commandId = arguments.getId();
  
      var commandSupplier = commandSuppliersById.get(commandId);
      if (commandSupplier == null) {
        throw new RuntimeException("Unknown command id: " + commandId);
      }
  
      var result = commandSupplier
        .execute(arguments)
        .orElse(null);
  
      CompletableFuture.runAsync(() -> {
        if (commandSupplier.needRefreshInlayHintsAfterExecuteCommand()) {
          inlayHintProvider.refreshInlayHints();
        }
        if (commandSupplier.needRefreshCodeLensesAfterExecuteCommand()) {
          codeLensProvider.refreshCodeLenses();
        }
      });
  
      return result;
    }
  
    /**
     * Список идентификаторов известных серверных команд.
     *
     * @return Список идентификаторов известных серверных команд.
     */
    public List<String> getCommandIds() {
      return List.copyOf(commandSuppliersById.keySet());
    }
  
    /**
     * Извлечь аргументы команды из параметров входящего запроса.
     *
     * @param executeCommandParams Параметры запроса workspace/executeCommand.
     * @return Аргументы команды.
     *
     * @throws RuntimeException Выбрасывает исключение, если параметры входящего запроса не содержат
     * данных для вычисления аргументов команды.
     */
    @SneakyThrows
    public CommandArguments extractArguments(ExecuteCommandParams executeCommandParams) {
      var rawArguments = executeCommandParams.getArguments();
  
      if (rawArguments.isEmpty()) {
        throw new RuntimeException("Command arguments is empty");
      }
  
      var rawArgument = rawArguments.get(0);
  
      if (rawArgument instanceof CommandArguments) {
        return (CommandArguments) rawArgument;
      }
  
      return objectMapper.readValue(rawArgument.toString(), CommandArguments.class);
    }
  
  }
  