// 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 Microsoft.CodeAnalysis.CSharp.Formatting;
using Xunit;
 
namespace Microsoft.CodeAnalysis.CSharp.UnitTests.Formatting;
 
public sealed class EditorConfigOptionParserTests
{
    [Theory]
    [InlineData("expressions", SpacePlacementWithinParentheses.Expressions, "expressions")]
    [InlineData("type_casts", SpacePlacementWithinParentheses.TypeCasts, "type_casts")]
    [InlineData("control_flow_statements", SpacePlacementWithinParentheses.ControlFlowStatements, "control_flow_statements")]
    [InlineData("false", SpacePlacementWithinParentheses.None, "false")]
    [InlineData("", SpacePlacementWithinParentheses.None, "false")]
    [InlineData(",,,", SpacePlacementWithinParentheses.None, "false")]
    [InlineData("*", SpacePlacementWithinParentheses.None, "false")]
    [InlineData("expressions, type_casts", SpacePlacementWithinParentheses.Expressions | SpacePlacementWithinParentheses.TypeCasts, "expressions,type_casts")]
    [InlineData("type_casts, expressions, , ", SpacePlacementWithinParentheses.Expressions | SpacePlacementWithinParentheses.TypeCasts, "expressions,type_casts")]
    [InlineData("expressions ,  ,  , control_flow_statements", SpacePlacementWithinParentheses.Expressions | SpacePlacementWithinParentheses.ControlFlowStatements, "expressions,control_flow_statements")]
    [InlineData("expressions ,  , type_casts , control_flow_statements, type_casts", SpacePlacementWithinParentheses.Expressions | SpacePlacementWithinParentheses.ControlFlowStatements | SpacePlacementWithinParentheses.TypeCasts, "expressions,type_casts,control_flow_statements")]
    [InlineData(",  , x , control_flow_statements", SpacePlacementWithinParentheses.ControlFlowStatements, "control_flow_statements")]
    [InlineData("none,expressions", SpacePlacementWithinParentheses.Expressions, "expressions")]
    [InlineData("all,expressions", SpacePlacementWithinParentheses.Expressions, "expressions")]
    [InlineData("false,expressions", SpacePlacementWithinParentheses.Expressions, "expressions")]
    internal void TestParseSpacingWithinParenthesesList(string list, SpacePlacementWithinParentheses value, string roundtrip)
    {
        Assert.Equal(value, CSharpFormattingOptions2.ParseSpacingWithinParenthesesList(list));
        Assert.Equal(roundtrip, CSharpFormattingOptions2.ToEditorConfigValue(value));
    }
 
    [Theory,
    InlineData("ignore", BinaryOperatorSpacingOptions.Ignore),
    InlineData("none", BinaryOperatorSpacingOptions.Remove),
    InlineData("before_and_after", BinaryOperatorSpacingOptions.Single)]
    public void TestParseEditorConfigSpacingAroundBinaryOperatorTrue(string value, BinaryOperatorSpacingOptions expectedResult)
    {
        Assert.True(CSharpFormattingOptions2.ParseEditorConfigSpacingAroundBinaryOperator(value) == expectedResult,
                    $"Expected option {value} to be parsed as set.");
    }
 
    [Theory,
    InlineData("ignore,"),
    InlineData("non"),
    InlineData("before_and_after,ignore")]
    public void TestParseEditorConfigSpacingAroundBinaryOperatorFalse(string value)
    {
        Assert.True(CSharpFormattingOptions2.ParseEditorConfigSpacingAroundBinaryOperator(value) == BinaryOperatorSpacingOptions.Single,
                    $"Expected option {value} to be parsed as default option.");
    }
 
    [Theory,
    InlineData("flush_left", LabelPositionOptions.LeftMost),
    InlineData("no_change", LabelPositionOptions.NoIndent),
    InlineData("one_less_than_current", LabelPositionOptions.OneLess)]
    public void TestParseEditorConfigLabelPositioningTrue(string value, LabelPositionOptions expectedValue)
    {
        Assert.True(CSharpFormattingOptions2.ParseEditorConfigLabelPositioning(value) == expectedValue,
                    $"Expected option {value} to be parsed as set.");
    }
 
    [Theory,
    InlineData("left_most,"),
    InlineData("*"),
    InlineData("one_less_thancurrent")]
    public void TestParseEditorConfigLabelPositioningFalse(string value)
    {
        Assert.True(CSharpFormattingOptions2.ParseEditorConfigLabelPositioning(value) == LabelPositionOptions.NoIndent,
                    $"Expected option {value} to be parsed default");
    }
 
    [Theory]
    [InlineData("all",
        NewLineBeforeOpenBracePlacement.Types |
        NewLineBeforeOpenBracePlacement.Methods |
        NewLineBeforeOpenBracePlacement.Properties |
        NewLineBeforeOpenBracePlacement.AnonymousMethods |
        NewLineBeforeOpenBracePlacement.ControlBlocks |
        NewLineBeforeOpenBracePlacement.AnonymousTypes |
        NewLineBeforeOpenBracePlacement.ObjectCollectionArrayInitializers |
        NewLineBeforeOpenBracePlacement.LambdaExpressionBody |
        NewLineBeforeOpenBracePlacement.Accessors, "all")]
    [InlineData("all,none", NewLineBeforeOpenBracePlacement.All, "all")]
    [InlineData("none,all", NewLineBeforeOpenBracePlacement.All, "all")]
    [InlineData("types", NewLineBeforeOpenBracePlacement.Types, "types")]
    [InlineData("types,methods", NewLineBeforeOpenBracePlacement.Types | NewLineBeforeOpenBracePlacement.Methods, "types,methods")]
    [InlineData("methods,types", NewLineBeforeOpenBracePlacement.Types | NewLineBeforeOpenBracePlacement.Methods, "types,methods")]
    [InlineData("methods, properties", NewLineBeforeOpenBracePlacement.Methods | NewLineBeforeOpenBracePlacement.Properties, "methods,properties")]
    [InlineData(",, types", NewLineBeforeOpenBracePlacement.Types, "types")]
    [InlineData("accessors", NewLineBeforeOpenBracePlacement.Accessors, "accessors")]
    [InlineData("methods", NewLineBeforeOpenBracePlacement.Methods, "methods")]
    [InlineData("properties", NewLineBeforeOpenBracePlacement.Properties, "properties")]
    [InlineData("anonymous_methods", NewLineBeforeOpenBracePlacement.AnonymousMethods, "anonymous_methods")]
    [InlineData("control_blocks", NewLineBeforeOpenBracePlacement.ControlBlocks, "control_blocks")]
    [InlineData("anonymous_types", NewLineBeforeOpenBracePlacement.AnonymousTypes, "anonymous_types")]
    [InlineData("object_collection_array_initalizers", NewLineBeforeOpenBracePlacement.ObjectCollectionArrayInitializers, "object_collection_array_initializers")]
    [InlineData("object_collection_array_initializers", NewLineBeforeOpenBracePlacement.ObjectCollectionArrayInitializers, "object_collection_array_initializers")]
    [InlineData("lambdas", NewLineBeforeOpenBracePlacement.LambdaExpressionBody, "lambdas")]
    [InlineData("Accessors", NewLineBeforeOpenBracePlacement.None, "none")]
    [InlineData("none,types", NewLineBeforeOpenBracePlacement.None, "none")]
    [InlineData(",,,", NewLineBeforeOpenBracePlacement.None, "none")]
    internal void TestParseNewLineBeforeOpenBracePlacementList(string list, NewLineBeforeOpenBracePlacement value, string roundtrip)
    {
        Assert.Equal(value, CSharpFormattingOptions2.ParseNewLineBeforeOpenBracePlacementList(list));
        Assert.Equal(roundtrip, CSharpFormattingOptions2.ToEditorConfigValue(value));
    }
 
    [Theory,
    InlineData("ignore"),
    InlineData("ignore "),
    InlineData(" ignore"),
    InlineData(" ignore ")]
    public void TestDetermineIfIgnoreSpacesAroundVariableDeclarationIsSetTrue(string value)
    {
        Assert.True(CSharpFormattingOptions2.DetermineIfIgnoreSpacesAroundVariableDeclarationIsSet(value),
                    $"Expected option {value} to be set");
    }
 
    [Theory,
    InlineData("do_not_ignore"),
    InlineData(", "),
    InlineData(" ignor ")]
    public void TestDetermineIfIgnoreSpacesAroundVariableDeclarationIsSetFalse(string value)
    {
        Assert.False(CSharpFormattingOptions2.DetermineIfIgnoreSpacesAroundVariableDeclarationIsSet(value),
                    $"Expected option {value} to be un-set");
    }
}