// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.

namespace WixBuildTools.TestSupport
{
    using System;
    using System.Linq;
    using System.Xml.Linq;
    using Xunit;

    public class WixAssert : Assert
    {
        public static void CompareLineByLine(string[] expectedLines, string[] actualLines)
        {
            for (var i = 0; i < expectedLines.Length; ++i)
            {
                Assert.True(actualLines.Length > i, $"{i}: expectedLines longer than actualLines");
                Assert.Equal($"{i}: {expectedLines[i]}", $"{i}: {actualLines[i]}");
            }

            Assert.True(expectedLines.Length == actualLines.Length, "actualLines longer than expectedLines");
        }

        public static void CompareXml(XContainer xExpected, XContainer xActual)
        {
            var expecteds = xExpected.Descendants().Select(x => $"{x.Name.LocalName}:{String.Join(",", x.Attributes().OrderBy(a => a.Name.LocalName).Select(a => $"{a.Name.LocalName}={a.Value}"))}");
            var actuals = xActual.Descendants().Select(x => $"{x.Name.LocalName}:{String.Join(",", x.Attributes().OrderBy(a => a.Name.LocalName).Select(a => $"{a.Name.LocalName}={a.Value}"))}");

            CompareLineByLine(expecteds.OrderBy(s => s).ToArray(), actuals.OrderBy(s => s).ToArray());
        }

        public static void CompareXml(string expectedPath, string actualPath)
        {
            var expectedDoc = XDocument.Load(expectedPath, LoadOptions.PreserveWhitespace | LoadOptions.SetBaseUri | LoadOptions.SetLineInfo);
            var actualDoc = XDocument.Load(actualPath, LoadOptions.PreserveWhitespace | LoadOptions.SetBaseUri | LoadOptions.SetLineInfo);

            CompareXml(expectedDoc, actualDoc);
        }

        public static void Succeeded(int hr, string format, params object[] formatArgs)
        {
            if (0 > hr)
            {
                throw new SucceededException(hr, String.Format(format, formatArgs));
            }
        }
    }
}