// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

library linter.src.rules;

import 'dart:collection';

import 'package:linter/src/config.dart';
import 'package:linter/src/linter.dart';
import 'package:linter/src/rules/always_declare_return_types.dart';
import 'package:linter/src/rules/always_specify_types.dart';
import 'package:linter/src/rules/annotate_overrides.dart';
import 'package:linter/src/rules/avoid_as.dart';
import 'package:linter/src/rules/avoid_empty_else.dart';
import 'package:linter/src/rules/avoid_init_to_null.dart';
import 'package:linter/src/rules/avoid_return_types_on_setters.dart';
import 'package:linter/src/rules/await_only_futures.dart';
import 'package:linter/src/rules/camel_case_types.dart';
import 'package:linter/src/rules/cancel_subscriptions.dart';
import 'package:linter/src/rules/close_sinks.dart';
import 'package:linter/src/rules/comment_references.dart';
import 'package:linter/src/rules/constant_identifier_names.dart';
import 'package:linter/src/rules/control_flow_in_finally.dart';
import 'package:linter/src/rules/empty_catches.dart';
import 'package:linter/src/rules/empty_constructor_bodies.dart';
import 'package:linter/src/rules/empty_statements.dart';
import 'package:linter/src/rules/hash_and_equals.dart';
import 'package:linter/src/rules/implementation_imports.dart';
import 'package:linter/src/rules/iterable_contains_unrelated_type.dart';
import 'package:linter/src/rules/library_names.dart';
import 'package:linter/src/rules/library_prefixes.dart';
import 'package:linter/src/rules/list_remove_unrelated_type.dart';
import 'package:linter/src/rules/non_constant_identifier_names.dart';
import 'package:linter/src/rules/one_member_abstracts.dart';
import 'package:linter/src/rules/only_throw_errors.dart';
import 'package:linter/src/rules/overridden_fields.dart';
import 'package:linter/src/rules/package_api_docs.dart';
import 'package:linter/src/rules/package_prefixed_library_names.dart';
import 'package:linter/src/rules/prefer_is_not_empty.dart';
import 'package:linter/src/rules/pub/package_names.dart';
import 'package:linter/src/rules/public_member_api_docs.dart';
import 'package:linter/src/rules/slash_for_doc_comments.dart';
import 'package:linter/src/rules/sort_constructors_first.dart';
import 'package:linter/src/rules/sort_unnamed_constructors_first.dart';
import 'package:linter/src/rules/super_goes_last.dart';
import 'package:linter/src/rules/test_types_in_equals.dart';
import 'package:linter/src/rules/throw_in_finally.dart';
import 'package:linter/src/rules/type_annotate_public_apis.dart';
import 'package:linter/src/rules/type_init_formals.dart';
import 'package:linter/src/rules/unawaited_futures.dart';
import 'package:linter/src/rules/unnecessary_brace_in_string_interp.dart';
import 'package:linter/src/rules/unnecessary_getters_setters.dart';
import 'package:linter/src/rules/unrelated_type_equality_checks.dart';
import 'package:linter/src/rules/valid_regexps.dart';

final Registry ruleRegistry = new Registry()
  ..register(new AlwaysDeclareReturnTypes())
  ..register(new AlwaysSpecifyTypes())
  ..register(new AnnotateOverrides())
  ..register(new AvoidAs())
  ..register(new AvoidEmptyElse())
  ..register(new AvoidReturnTypesOnSetters())
  ..register(new AvoidInitToNull())
  ..register(new AwaitOnlyFutures())
  ..register(new CamelCaseTypes())
  ..register(new CancelSubscriptions())
  ..register(new CloseSinks())
  ..register(new CommentReferences())
  ..register(new ConstantIdentifierNames())
  ..register(new EmptyCatches())
  ..register(new EmptyConstructorBodies())
  ..register(new EmptyStatements())
  ..register(new TestTypesInEquals())
  ..register(new OnlyThrowErrors())
  ..register(new OverriddenFields())
  ..register(new HashAndEquals())
  ..register(new ImplementationImports())
  ..register(new IterableContainsUnrelatedType())
  ..register(new ListRemoveUnrelatedType())
  ..register(new LibraryNames())
  ..register(new LibraryPrefixes())
  ..register(new NonConstantIdentifierNames())
  ..register(new ControlFlowInFinally())
  ..register(new ThrowInFinally())
  ..register(new PreferIsNotEmpty())
  ..register(new OneMemberAbstracts())
  ..register(new PackageApiDocs())
  ..register(new PackagePrefixedLibraryNames())
  ..register(new PublicMemberApiDocs())
  ..register(new PubPackageNames())
  ..register(new SlashForDocComments())
  ..register(new SortConstructorsFirst())
  ..register(new SortUnnamedConstructorsFirst())
  ..register(new SuperGoesLast())
  ..register(new TypeInitFormals())
  ..register(new TypeAnnotatePublicApis())
  ..register(new UnawaitedFutures())
  ..register(new UnnecessaryBraceInStringInterp())
  // Disabled pending fix: https://github.com/dart-lang/linter/issues/35
  //..register(new UnnecessaryGetters())
  ..register(new UnnecessaryGettersSetters())
  ..register(new UnrelatedTypeEqualityChecks())
  ..register(new ValidRegExps());

/// Registry of contributed lint rules.
class Registry extends Object with IterableMixin<LintRule> {
  Map<String, LintRule> _ruleMap = <String, LintRule>{};

  @override
  Iterator<LintRule> get iterator => _ruleMap.values.iterator;

  Iterable<LintRule> get rules => _ruleMap.values;

  LintRule operator [](String key) => _ruleMap[key];

  /// All lint rules explicitly enabled by the given [config].
  ///
  /// For example:
  ///     my_rule: true
  ///
  /// enables `my_rule`.
  ///
  /// Unspecified rules are treated as disabled by default.
  Iterable<LintRule> enabled(LintConfig config) => rules
      .where((rule) => config.ruleConfigs.any((rc) => rc.enables(rule.name)));

  void register(LintRule rule) {
    _ruleMap[rule.name] = rule;
  }
}