// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System.Runtime.Serialization;
using Microsoft.CodeAnalysis.Formatting;
using Microsoft.CodeAnalysis.Options;
 
namespace Microsoft.CodeAnalysis.CodeStyle;
 
internal record class IdeCodeStyleOptions
{
    private static readonly CodeStyleOption2<UnusedParametersPreference> s_preferAllMethodsUnusedParametersPreference =
        new(UnusedParametersPreference.AllMethods, NotificationOption2.Suggestion);
 
    private static readonly CodeStyleOption2<AccessibilityModifiersRequired> s_accessibilityModifiersRequiredDefault =
        new(SyntaxFormattingOptions.CommonDefaults.AccessibilityModifiersRequired, NotificationOption2.Silent);
 
    private static readonly CodeStyleOption2<ParenthesesPreference> s_alwaysForClarityPreference =
        new(ParenthesesPreference.AlwaysForClarity, NotificationOption2.Silent);
 
    private static readonly CodeStyleOption2<ParenthesesPreference> s_neverIfUnnecessaryPreference =
        new(ParenthesesPreference.NeverIfUnnecessary, NotificationOption2.Silent);
 
    private static readonly CodeStyleOption2<ForEachExplicitCastInSourcePreference> s_forEachExplicitCastInSourceNonLegacyPreference =
        new(ForEachExplicitCastInSourcePreference.WhenStronglyTyped, NotificationOption2.Suggestion);
 
    /// <summary>
    /// Language agnostic defaults.
    /// </summary>
    internal static readonly IdeCodeStyleOptions CommonDefaults = new();
 
    [DataMember] public CodeStyleOption2<bool> PreferObjectInitializer { get; init; } = CodeStyleOption2.TrueWithSuggestionEnforcement;
    [DataMember] public CodeStyleOption2<bool> PreferCollectionInitializer { get; init; } = CodeStyleOption2.TrueWithSuggestionEnforcement;
    [DataMember] public CodeStyleOption2<bool> PreferSimplifiedBooleanExpressions { get; init; } = CodeStyleOption2.TrueWithSuggestionEnforcement;
    [DataMember] public OperatorPlacementWhenWrappingPreference OperatorPlacementWhenWrapping { get; init; } = OperatorPlacementWhenWrappingPreference.BeginningOfLine;
    [DataMember] public CodeStyleOption2<bool> PreferCoalesceExpression { get; init; } = CodeStyleOption2.TrueWithSuggestionEnforcement;
    [DataMember] public CodeStyleOption2<bool> PreferNullPropagation { get; init; } = CodeStyleOption2.TrueWithSuggestionEnforcement;
    [DataMember] public CodeStyleOption2<bool> PreferExplicitTupleNames { get; init; } = CodeStyleOption2.TrueWithSuggestionEnforcement;
    [DataMember] public CodeStyleOption2<bool> PreferAutoProperties { get; init; } = CodeStyleOption2.TrueWithSilentEnforcement;
    [DataMember] public CodeStyleOption2<bool> PreferInferredTupleNames { get; init; } = CodeStyleOption2.TrueWithSuggestionEnforcement;
    [DataMember] public CodeStyleOption2<bool> PreferInferredAnonymousTypeMemberNames { get; init; } = CodeStyleOption2.TrueWithSuggestionEnforcement;
    [DataMember] public CodeStyleOption2<bool> PreferIsNullCheckOverReferenceEqualityMethod { get; init; } = CodeStyleOption2.TrueWithSuggestionEnforcement;
    [DataMember] public CodeStyleOption2<bool> PreferConditionalExpressionOverAssignment { get; init; } = CodeStyleOption2.TrueWithSilentEnforcement;
    [DataMember] public CodeStyleOption2<bool> PreferConditionalExpressionOverReturn { get; init; } = CodeStyleOption2.TrueWithSilentEnforcement;
    [DataMember] public CodeStyleOption2<bool> PreferCompoundAssignment { get; init; } = CodeStyleOption2.TrueWithSuggestionEnforcement;
    [DataMember] public CodeStyleOption2<bool> PreferSimplifiedInterpolation { get; init; } = CodeStyleOption2.TrueWithSuggestionEnforcement;
    [DataMember] public CodeStyleOption2<UnusedParametersPreference> UnusedParameters { get; init; } = s_preferAllMethodsUnusedParametersPreference;
    [DataMember] public CodeStyleOption2<AccessibilityModifiersRequired> AccessibilityModifiersRequired { get; init; } = s_accessibilityModifiersRequiredDefault;
    [DataMember] public CodeStyleOption2<bool> PreferReadonly { get; init; } = CodeStyleOption2.TrueWithSuggestionEnforcement;
    [DataMember] public CodeStyleOption2<ParenthesesPreference> ArithmeticBinaryParentheses { get; init; } = s_alwaysForClarityPreference;
    [DataMember] public CodeStyleOption2<ParenthesesPreference> OtherBinaryParentheses { get; init; } = s_alwaysForClarityPreference;
    [DataMember] public CodeStyleOption2<ParenthesesPreference> RelationalBinaryParentheses { get; init; } = s_alwaysForClarityPreference;
    [DataMember] public CodeStyleOption2<ParenthesesPreference> OtherParentheses { get; init; } = s_neverIfUnnecessaryPreference;
    [DataMember] public CodeStyleOption2<ForEachExplicitCastInSourcePreference> ForEachExplicitCastInSource { get; init; } = s_forEachExplicitCastInSourceNonLegacyPreference;
    [DataMember] public CodeStyleOption2<bool> PreferNamespaceAndFolderMatchStructure { get; init; } = CodeStyleOption2.TrueWithSuggestionEnforcement;
    [DataMember] public CodeStyleOption2<bool> AllowMultipleBlankLines { get; init; } = CodeStyleOption2.TrueWithSilentEnforcement;
    [DataMember] public CodeStyleOption2<bool> AllowStatementImmediatelyAfterBlock { get; init; } = CodeStyleOption2.TrueWithSilentEnforcement;
    [DataMember] public string RemoveUnnecessarySuppressionExclusions { get; init; } = "";
 
    private protected IdeCodeStyleOptions()
    {
    }
 
    private protected IdeCodeStyleOptions(IOptionsReader options, IdeCodeStyleOptions fallbackOptions, string language)
    {
        PreferObjectInitializer = options.GetOption(CodeStyleOptions2.PreferObjectInitializer, language, fallbackOptions.PreferObjectInitializer);
        PreferCollectionInitializer = options.GetOption(CodeStyleOptions2.PreferCollectionInitializer, language, fallbackOptions.PreferCollectionInitializer);
        PreferSimplifiedBooleanExpressions = options.GetOption(CodeStyleOptions2.PreferSimplifiedBooleanExpressions, language, fallbackOptions.PreferSimplifiedBooleanExpressions);
        OperatorPlacementWhenWrapping = options.GetOption(CodeStyleOptions2.OperatorPlacementWhenWrapping, fallbackOptions.OperatorPlacementWhenWrapping);
        PreferCoalesceExpression = options.GetOption(CodeStyleOptions2.PreferCoalesceExpression, language, fallbackOptions.PreferCoalesceExpression);
        PreferNullPropagation = options.GetOption(CodeStyleOptions2.PreferNullPropagation, language, fallbackOptions.PreferNullPropagation);
        PreferExplicitTupleNames = options.GetOption(CodeStyleOptions2.PreferExplicitTupleNames, language, fallbackOptions.PreferExplicitTupleNames);
        PreferAutoProperties = options.GetOption(CodeStyleOptions2.PreferAutoProperties, language, fallbackOptions.PreferAutoProperties);
        PreferInferredTupleNames = options.GetOption(CodeStyleOptions2.PreferInferredTupleNames, language, fallbackOptions.PreferInferredTupleNames);
        PreferInferredAnonymousTypeMemberNames = options.GetOption(CodeStyleOptions2.PreferInferredAnonymousTypeMemberNames, language, fallbackOptions.PreferInferredAnonymousTypeMemberNames);
        PreferIsNullCheckOverReferenceEqualityMethod = options.GetOption(CodeStyleOptions2.PreferIsNullCheckOverReferenceEqualityMethod, language, fallbackOptions.PreferIsNullCheckOverReferenceEqualityMethod);
        PreferConditionalExpressionOverAssignment = options.GetOption(CodeStyleOptions2.PreferConditionalExpressionOverAssignment, language, fallbackOptions.PreferConditionalExpressionOverAssignment);
        PreferConditionalExpressionOverReturn = options.GetOption(CodeStyleOptions2.PreferConditionalExpressionOverReturn, language, fallbackOptions.PreferConditionalExpressionOverReturn);
        PreferCompoundAssignment = options.GetOption(CodeStyleOptions2.PreferCompoundAssignment, language, fallbackOptions.PreferCompoundAssignment);
        PreferSimplifiedInterpolation = options.GetOption(CodeStyleOptions2.PreferSimplifiedInterpolation, language, fallbackOptions.PreferSimplifiedInterpolation);
        UnusedParameters = options.GetOption(CodeStyleOptions2.UnusedParameters, language, fallbackOptions.UnusedParameters);
        AccessibilityModifiersRequired = options.GetOption(CodeStyleOptions2.AccessibilityModifiersRequired, language, fallbackOptions.AccessibilityModifiersRequired);
        PreferReadonly = options.GetOption(CodeStyleOptions2.PreferReadonly, language, fallbackOptions.PreferReadonly);
        ArithmeticBinaryParentheses = options.GetOption(CodeStyleOptions2.ArithmeticBinaryParentheses, language, fallbackOptions.ArithmeticBinaryParentheses);
        OtherBinaryParentheses = options.GetOption(CodeStyleOptions2.OtherBinaryParentheses, language, fallbackOptions.OtherBinaryParentheses);
        RelationalBinaryParentheses = options.GetOption(CodeStyleOptions2.RelationalBinaryParentheses, language, fallbackOptions.RelationalBinaryParentheses);
        OtherParentheses = options.GetOption(CodeStyleOptions2.OtherParentheses, language, fallbackOptions.OtherParentheses);
        ForEachExplicitCastInSource = options.GetOption(CodeStyleOptions2.ForEachExplicitCastInSource, fallbackOptions.ForEachExplicitCastInSource);
        PreferNamespaceAndFolderMatchStructure = options.GetOption(CodeStyleOptions2.PreferNamespaceAndFolderMatchStructure, language, fallbackOptions.PreferNamespaceAndFolderMatchStructure);
        AllowMultipleBlankLines = options.GetOption(CodeStyleOptions2.AllowMultipleBlankLines, language, fallbackOptions.AllowMultipleBlankLines);
        AllowStatementImmediatelyAfterBlock = options.GetOption(CodeStyleOptions2.AllowStatementImmediatelyAfterBlock, language, fallbackOptions.AllowStatementImmediatelyAfterBlock);
        RemoveUnnecessarySuppressionExclusions = options.GetOption(CodeStyleOptions2.RemoveUnnecessarySuppressionExclusions, fallbackOptions.RemoveUnnecessarySuppressionExclusions);
    }
 
#if !CODE_STYLE
    public static IdeCodeStyleOptions GetDefault(Host.LanguageServices languageServices)
        => languageServices.GetRequiredService<ICodeStyleService>().DefaultOptions;
#endif
}