// Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the MIT license.  See License.txt in the project root for license information.
 
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Testing;
using Xunit;
using VerifyCS = Test.Utilities.CSharpCodeFixVerifier<
    Microsoft.CodeQuality.CSharp.Analyzers.Maintainability.CSharpUseCrossPlatformIntrinsicsAnalyzer,
    Microsoft.CodeQuality.CSharp.Analyzers.Maintainability.CSharpUseCrossPlatformIntrinsicsFixer>;
 
namespace Microsoft.CodeQuality.Analyzers.Maintainability.UnitTests
{
    using static UseCrossPlatformIntrinsicsAnalyzer;
 
    public partial class CSharpUseCrossPlatformIntrinsicsTests
    {
        [Theory]
        [InlineData("float", "AdvSimd.Arm64.Divide")]
        [InlineData("double", "AdvSimd.DivideScalar")]
        public async Task Fixer_opDivisionArmV64Async(string type, string method)
        {
            // lang=C#-test
            string testCode = $$"""
                using System;
                using System.Runtime.Intrinsics;
                using System.Runtime.Intrinsics.Arm;
 
                class C
                {
                    Vector64<{{type}}> M(Vector64<{{type}}> x, Vector64<{{type}}> y) => {|#1:{{method}}(x, y)|};
                    Vector64<{{type}}> R(Vector64<{{type}}> x, Vector64<{{type}}> y) => {{method}}(right: y, left: x);
                }
                """;
 
            // lang=C#-test
            string fixedCode = $$"""
                using System;
                using System.Runtime.Intrinsics;
                using System.Runtime.Intrinsics.Arm;
 
                class C
                {
                    Vector64<{{type}}> M(Vector64<{{type}}> x, Vector64<{{type}}> y) => x / y;
                    Vector64<{{type}}> R(Vector64<{{type}}> x, Vector64<{{type}}> y) => {{method}}(right: y, left: x);
                }
                """;
 
            await new VerifyCS.Test
            {
                TestCode = testCode,
                ExpectedDiagnostics = {
                    VerifyCS.Diagnostic(Rules[(int)RuleKind.op_Division]).WithLocation(1),
                },
                FixedCode = fixedCode,
                ReferenceAssemblies = ReferenceAssemblies.Net.Net80
            }.RunAsync();
        }
 
        [Theory]
        [InlineData("float", "AdvSimd.DivideScalar")]
        public async Task Fixer_opDivisionArmV64Async_NoReplacement(string type, string method)
        {
            // lang=C#-test
            string testCode = $$"""
                using System;
                using System.Runtime.Intrinsics;
                using System.Runtime.Intrinsics.Arm;
 
                class C
                {
                    Vector64<{{type}}> M(Vector64<{{type}}> x, Vector64<{{type}}> y) => {{method}}(x, y);
                }
                """;
 
            // lang=C#-test
            string fixedCode = testCode;
 
            await new VerifyCS.Test
            {
                TestCode = testCode,
                ExpectedDiagnostics = { },
                FixedCode = fixedCode,
                ReferenceAssemblies = ReferenceAssemblies.Net.Net80
            }.RunAsync();
        }
 
        [Theory]
        [InlineData("float", "AdvSimd.Arm64.Divide")]
        [InlineData("double", "AdvSimd.Arm64.Divide")]
        public async Task Fixer_opDivisionArmV128Async(string type, string method)
        {
            // lang=C#-test
            string testCode = $$"""
                using System;
                using System.Runtime.Intrinsics;
                using System.Runtime.Intrinsics.Arm;
 
                class C
                {
                    Vector128<{{type}}> M(Vector128<{{type}}> x, Vector128<{{type}}> y) => {|#1:{{method}}(x, y)|};
                    Vector128<{{type}}> R(Vector128<{{type}}> x, Vector128<{{type}}> y) => {{method}}(right: y, left: x);
                }
                """;
 
            // lang=C#-test
            string fixedCode = $$"""
                using System;
                using System.Runtime.Intrinsics;
                using System.Runtime.Intrinsics.Arm;
 
                class C
                {
                    Vector128<{{type}}> M(Vector128<{{type}}> x, Vector128<{{type}}> y) => x / y;
                    Vector128<{{type}}> R(Vector128<{{type}}> x, Vector128<{{type}}> y) => {{method}}(right: y, left: x);
                }
                """;
 
            await new VerifyCS.Test
            {
                TestCode = testCode,
                ExpectedDiagnostics = {
                    VerifyCS.Diagnostic(Rules[(int)RuleKind.op_Division]).WithLocation(1),
                },
                FixedCode = fixedCode,
                ReferenceAssemblies = ReferenceAssemblies.Net.Net80
            }.RunAsync();
        }
 
        [Theory]
        [InlineData("float", "PackedSimd.Divide")]
        [InlineData("double", "PackedSimd.Divide")]
        public async Task Fixer_opDivisionWasmV128Async(string type, string method)
        {
            // lang=C#-test
            string testCode = $$"""
                using System;
                using System.Runtime.Intrinsics;
                using System.Runtime.Intrinsics.Wasm;
 
                class C
                {
                    Vector128<{{type}}> M(Vector128<{{type}}> x, Vector128<{{type}}> y) => {|#1:{{method}}(x, y)|};
                    Vector128<{{type}}> R(Vector128<{{type}}> x, Vector128<{{type}}> y) => {{method}}(right: y, left: x);
                }
                """;
 
            // lang=C#-test
            string fixedCode = $$"""
                using System;
                using System.Runtime.Intrinsics;
                using System.Runtime.Intrinsics.Wasm;
 
                class C
                {
                    Vector128<{{type}}> M(Vector128<{{type}}> x, Vector128<{{type}}> y) => x / y;
                    Vector128<{{type}}> R(Vector128<{{type}}> x, Vector128<{{type}}> y) => {{method}}(right: y, left: x);
                }
                """;
 
            await new VerifyCS.Test
            {
                TestCode = testCode,
                ExpectedDiagnostics = {
                    VerifyCS.Diagnostic(Rules[(int)RuleKind.op_Division]).WithLocation(1),
                },
                FixedCode = fixedCode,
                ReferenceAssemblies = ReferenceAssemblies.Net.Net80
            }.RunAsync();
        }
 
        [Theory]
        [InlineData("float", "Sse.Divide")]
        [InlineData("double", "Sse2.Divide")]
        public async Task Fixer_opDivisionx86V128Async(string type, string method)
        {
            // lang=C#-test
            string testCode = $$"""
                using System;
                using System.Runtime.Intrinsics;
                using System.Runtime.Intrinsics.X86;
 
                class C
                {
                    Vector128<{{type}}> M(Vector128<{{type}}> x, Vector128<{{type}}> y) => {|#1:{{method}}(x, y)|};
                    Vector128<{{type}}> R(Vector128<{{type}}> x, Vector128<{{type}}> y) => {{method}}(right: y, left: x);
                }
                """;
 
            // lang=C#-test
            string fixedCode = $$"""
                using System;
                using System.Runtime.Intrinsics;
                using System.Runtime.Intrinsics.X86;
 
                class C
                {
                    Vector128<{{type}}> M(Vector128<{{type}}> x, Vector128<{{type}}> y) => x / y;
                    Vector128<{{type}}> R(Vector128<{{type}}> x, Vector128<{{type}}> y) => {{method}}(right: y, left: x);
                }
                """;
 
            await new VerifyCS.Test
            {
                TestCode = testCode,
                ExpectedDiagnostics = {
                    VerifyCS.Diagnostic(Rules[(int)RuleKind.op_Division]).WithLocation(1),
                },
                FixedCode = fixedCode,
                ReferenceAssemblies = ReferenceAssemblies.Net.Net80
            }.RunAsync();
        }
 
        [Theory]
        [InlineData("float", "Avx.Divide")]
        [InlineData("double", "Avx.Divide")]
        public async Task Fixer_opDivisionx86V256Async(string type, string method)
        {
            // lang=C#-test
            string testCode = $$"""
                using System;
                using System.Runtime.Intrinsics;
                using System.Runtime.Intrinsics.X86;
 
                class C
                {
                    Vector256<{{type}}> M(Vector256<{{type}}> x, Vector256<{{type}}> y) => {|#1:{{method}}(x, y)|};
                    Vector256<{{type}}> R(Vector256<{{type}}> x, Vector256<{{type}}> y) => {{method}}(right: y, left: x);
                }
                """;
 
            // lang=C#-test
            string fixedCode = $$"""
                using System;
                using System.Runtime.Intrinsics;
                using System.Runtime.Intrinsics.X86;
 
                class C
                {
                    Vector256<{{type}}> M(Vector256<{{type}}> x, Vector256<{{type}}> y) => x / y;
                    Vector256<{{type}}> R(Vector256<{{type}}> x, Vector256<{{type}}> y) => {{method}}(right: y, left: x);
                }
                """;
 
            await new VerifyCS.Test
            {
                TestCode = testCode,
                ExpectedDiagnostics = {
                    VerifyCS.Diagnostic(Rules[(int)RuleKind.op_Division]).WithLocation(1),
                },
                FixedCode = fixedCode,
                ReferenceAssemblies = ReferenceAssemblies.Net.Net80
            }.RunAsync();
        }
 
        [Theory]
        [InlineData("float", "Avx512F.Divide")]
        [InlineData("double", "Avx512F.Divide")]
        public async Task Fixer_opDivisionx86V512Async(string type, string method)
        {
            // lang=C#-test
            string testCode = $$"""
                using System;
                using System.Runtime.Intrinsics;
                using System.Runtime.Intrinsics.X86;
 
                class C
                {
                    Vector512<{{type}}> M(Vector512<{{type}}> x, Vector512<{{type}}> y) => {|#1:{{method}}(x, y)|};
                    Vector512<{{type}}> R(Vector512<{{type}}> x, Vector512<{{type}}> y) => {{method}}(right: y, left: x);
                }
                """;
 
            // lang=C#-test
            string fixedCode = $$"""
                using System;
                using System.Runtime.Intrinsics;
                using System.Runtime.Intrinsics.X86;
 
                class C
                {
                    Vector512<{{type}}> M(Vector512<{{type}}> x, Vector512<{{type}}> y) => x / y;
                    Vector512<{{type}}> R(Vector512<{{type}}> x, Vector512<{{type}}> y) => {{method}}(right: y, left: x);
                }
                """;
 
            await new VerifyCS.Test
            {
                TestCode = testCode,
                ExpectedDiagnostics = {
                    VerifyCS.Diagnostic(Rules[(int)RuleKind.op_Division]).WithLocation(1),
                },
                FixedCode = fixedCode,
                ReferenceAssemblies = ReferenceAssemblies.Net.Net80
            }.RunAsync();
        }
    }
}