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;
  
  import com.github._1c_syntax.bsl.languageserver.configuration.LanguageServerConfiguration;
  import com.github._1c_syntax.bsl.languageserver.context.ServerContext;
  import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticInfo;
  import lombok.AccessLevel;
  import lombok.Getter;
  import org.springframework.boot.Banner;
  import org.springframework.boot.SpringApplication;
  import org.springframework.boot.WebApplicationType;
  import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
  import org.springframework.boot.builder.SpringApplicationBuilder;
  import org.springframework.cache.annotation.EnableCaching;
  import org.springframework.context.ConfigurableApplicationContext;
  import org.springframework.context.annotation.ComponentScan;
  import org.springframework.core.io.DefaultResourceLoader;
  
  import java.util.Collection;
  import java.util.Map;
  
  @EnableAutoConfiguration
  @ComponentScan("com.github._1c_syntax.bsl.languageserver")
  @EnableCaching(proxyTargetClass = true)
  public class BSLLSBinding {
  
    @Getter(lazy = true, value = AccessLevel.PRIVATE)
    private static final SpringApplication application = createApplication();
    @Getter(lazy = true, value = AccessLevel.PRIVATE)
    private static final ConfigurableApplicationContext context = createContext();
  
    public BSLLSBinding() {
      // public constructor is needed for spring initialization
    }
  
    public static ConfigurableApplicationContext getApplicationContext() {
      var context = getContext();
      if (!context.isActive()) {
        context = createContext();
      }
  
      return context;
    }
  
    @SuppressWarnings("unchecked")
    public static Collection<DiagnosticInfo> getDiagnosticInfos() {
      return getApplicationContext().getBean("diagnosticInfos", Collection.class);
    }
  
    public static LanguageServerConfiguration getLanguageServerConfiguration() {
      return getApplicationContext().getBean(LanguageServerConfiguration.class);
    }
  
    public static ServerContext getServerContext() {
      return getApplicationContext().getBean(ServerContext.class);
    }
  
    private static SpringApplication createApplication() {
      var app = new SpringApplicationBuilder(BSLLSBinding.class)
        .bannerMode(Banner.Mode.OFF)
        .web(WebApplicationType.NONE)
        .logStartupInfo(false)
        .resourceLoader(new DefaultResourceLoader(BSLLSBinding.class.getClassLoader()))
        .lazyInitialization(true)
        .properties(Map.of(
          "app.command.line.runner.enabled", "false",
          "app.scheduling.enabled", "false",
          "spring.cache.caffeine.spec", "maximumSize=500,expireAfterAccess=600s",
          "spring.cache.cache-names", "testIds,testSources"
        ))
        .build();
  
      app.setRegisterShutdownHook(false);
      return app;
    }
  
    private static ConfigurableApplicationContext createContext() {
      return getApplication().run();
    }
  }
  