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.diagnostics;
  
  import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticMetadata;
  import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticScope;
  import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticSeverity;
  import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticTag;
  import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticType;
  import com.github._1c_syntax.bsl.languageserver.utils.Ranges;
  import com.github._1c_syntax.bsl.mdo.Form;
  import com.github._1c_syntax.bsl.mdo.MD;
  import com.github._1c_syntax.bsl.mdo.storage.form.FormItem;
  import com.github._1c_syntax.bsl.types.ModuleType;
  import org.eclipse.lsp4j.Range;
  
  import java.util.function.Predicate;
  import java.util.stream.Stream;
  
  @DiagnosticMetadata(
    type = DiagnosticType.ERROR,
    severity = DiagnosticSeverity.CRITICAL,
    minutesToFix = 5,
    scope = DiagnosticScope.BSL,
    modules = {
      // todo переделать, когда появится привязка к объектам метаданных
      ModuleType.FormModule,
      ModuleType.ManagedApplicationModule
    },
    tags = {
      DiagnosticTag.UNPREDICTABLE,
    }
  )
  public class WrongDataPathForFormElementsDiagnostic extends AbstractDiagnostic {
  
    private Range diagnosticRange;
  
    @Override
    protected void check() {
      var range = documentContext.getSymbolTree().getModule().getSelectionRange();
      if (!Ranges.isEmpty(range)) {
        checkCurrentModule(range);
      }
    }
  
    private static boolean wrongDataPath(FormItem formItem) {
      return formItem.getDataPath().segments().startsWith("~");
    }
  
    private static boolean haveFormModules(Form form) {
      return !form.getModules().isEmpty();
    }
  
    private void checkCurrentModule(Range range) {
      diagnosticRange = range;
  
      if (documentContext.getModuleType() == ModuleType.FormModule) {
        checkMdoObjectStream(WrongDataPathForFormElementsDiagnostic::haveFormModules,
          documentContext.getMdObject().stream());
      } else {
        checkAllFormsWithoutModules();
      }
    }
  
    private void checkAllFormsWithoutModules() {
      checkMdoObjectStream(form -> !haveFormModules(form),
        documentContext.getServerContext().getConfiguration().getPlainChildren().stream());
    }
  
    private void checkMdoObjectStream(Predicate<Form> formFilter, Stream<MD> stream) {
      stream
        .filter(Form.class::isInstance)
        .map(Form.class::cast)
        .filter(formFilter)
        .forEach(this::checkForm);
    }
  
    private void checkForm(Form form) {
      var formData = form.getData();
      if (formData.isEmpty()) {
        return;
      }
      formData.getPlainItems()
        .stream()
        .filter(WrongDataPathForFormElementsDiagnostic::wrongDataPath)
        .forEach(formItem -> diagnosticStorage.addDiagnostic(diagnosticRange,
          info.getMessage(formItem.getName(), getMdoRef(form))));
    }
  
    private String getMdoRef(Form form) {
      return form.getMdoReference().getMdoRef(documentContext.getServerContext().getConfiguration().getScriptVariant());
    }
  }
  