using System;
using System.Collections.Generic;
using System.IO;
using Autodesk.Navisworks.Api;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace NavisworksTransport.UnitTests.Core
{
    [TestClass]
    public class PathPersistenceTests
    {
        [TestMethod]
        public void PathDataManager_ShouldImport_RailPreferredNormal_FromJson()
        {
            var tempDir = Path.Combine(Path.GetTempPath(), "NavisworksTransportTests", Guid.NewGuid().ToString("N"));
            Directory.CreateDirectory(tempDir);
            var filePath = Path.Combine(tempDir, "route.json");

            try
            {
                File.WriteAllText(filePath,
@"{
  ""PathPlanningData"": {
    ""version"": ""1.0"",
    ""generator"": ""test"",
    ""timestamp"": ""2026-03-25T00:00:00"",
    ""ProjectInfo"": {
      ""name"": ""test"",
      ""description"": ""test"",
      ""units"": ""meters"",
      ""coordinateSystem"": ""Global""
    },
    ""Routes"": [
      {
        ""id"": ""route-1"",
        ""name"": ""rail-test"",
        ""description"": """",
        ""pathType"": ""Rail"",
        ""railMountMode"": ""OverRail"",
        ""railPathDefinitionMode"": ""RailCenterLine"",
        ""railPreferredNormal"": { ""x"": -0.2, ""y"": 0.5, ""z"": 0.8 },
        ""totalLength"": 10.0,
        ""objectLimits"": { ""maxLength"": 0, ""maxWidth"": 0, ""maxHeight"": 0, ""safetyMargin"": 0 },
        ""gridSize"": 1.0,
        ""liftHeight"": 0.0,
        ""created"": ""2026-03-25T00:00:00"",
        ""points"": [
          { ""id"": ""p1"", ""name"": ""start"", ""type"": ""StartPoint"", ""index"": 0, ""x"": 0, ""y"": 0, ""z"": 0, ""created"": ""2026-03-25T00:00:00"" },
          { ""id"": ""p2"", ""name"": ""end"", ""type"": ""EndPoint"", ""index"": 1, ""x"": 10, ""y"": 0, ""z"": 0, ""created"": ""2026-03-25T00:00:00"" }
        ]
      }
    ]
  }
}");

                var manager = new PathDataManager();
                var importedRoutes = manager.ImportFromJson(filePath);
                Assert.AreEqual(1, importedRoutes.Count);
                Assert.IsNotNull(importedRoutes[0].RailPreferredNormal);
            }
            finally
            {
                SafeDelete(tempDir);
            }
        }

        [TestMethod]
        public void PathDataManager_ShouldImport_RailPreferredNormal_FromXml()
        {
            var tempDir = Path.Combine(Path.GetTempPath(), "NavisworksTransportTests", Guid.NewGuid().ToString("N"));
            Directory.CreateDirectory(tempDir);
            var filePath = Path.Combine(tempDir, "route.xml");

            try
            {
                File.WriteAllText(filePath,
@"<?xml version=""1.0"" encoding=""UTF-8""?>
<PathPlanningData xmlns=""http://www.3ds.com/delmia/pathplanning"" version=""1.0"" generator=""test"" timestamp=""2026-03-25T00:00:00"">
  <ProjectInfo name=""test"" description=""test"" units=""meters"" coordinateSystem=""Global"" />
  <Routes>
    <Route id=""route-1"" name=""rail-test"" description="""" pathType=""Rail"" railMountMode=""OverRail"" railPathDefinitionMode=""RailCenterLine"" railPreferredNormalX=""0.0"" railPreferredNormalY=""1.0"" railPreferredNormalZ=""-0.5"" totalLength=""10.0"" maxObjectLength=""0.0"" maxObjectWidth=""0.0"" maxObjectHeight=""0.0"" safetyMargin=""0.0"" gridSize=""1.0"" liftHeight=""0.0"" created=""2026-03-25T00:00:00"">
      <Points>
        <Point id=""p1"" name=""start"" type=""StartPoint"" index=""0"" x=""0"" y=""0"" z=""0"" created=""2026-03-25T00:00:00"" />
        <Point id=""p2"" name=""end"" type=""EndPoint"" index=""1"" x=""10"" y=""0"" z=""0"" created=""2026-03-25T00:00:00"" />
      </Points>
    </Route>
  </Routes>
</PathPlanningData>");

                var manager = new PathDataManager();
                var importedRoutes = manager.ImportFromXml(filePath);
                Assert.AreEqual(1, importedRoutes.Count);
                Assert.IsNotNull(importedRoutes[0].RailPreferredNormal);
            }
            finally
            {
                SafeDelete(tempDir);
            }
        }

        private static void SafeDelete(string directory)
        {
            if (!Directory.Exists(directory))
            {
                return;
            }

            try
            {
                Directory.Delete(directory, true);
            }
            catch
            {
            }
        }
    }
}