#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

#if !(NET35 || NET20 || SILVERLIGHT || NETFX_CORE || PORTABLE)
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using Newtonsoft.Json.Converters;
#if !NETFX_CORE
using NUnit.Framework;
#else
using Microsoft.VisualStudio.TestTools.UnitTesting;
using TestFixture = Microsoft.VisualStudio.TestTools.UnitTesting.TestClassAttribute;
using Test = Microsoft.VisualStudio.TestTools.UnitTesting.TestMethodAttribute;
#endif

namespace Newtonsoft.Json.Tests.Serialization
{
  [TestFixture]
  public class EntitiesSerializationTests : TestFixtureBase
  {
    [Test]
    public void SerializeEntity()
    {
      Folder rootFolder = CreateEntitiesTestData();

      string json = JsonConvert.SerializeObject(rootFolder, Formatting.Indented, new IsoDateTimeConverter());

      string expected = @"{
  ""$id"": ""1"",
  ""FolderId"": ""a4e8ba80-eb24-4591-bb1c-62d3ad83701e"",
  ""Name"": ""Root folder"",
  ""Description"": ""Description!"",
  ""CreatedDate"": ""2000-12-10T10:50:00Z"",
  ""Files"": [],
  ""ChildFolders"": [
    {
      ""$id"": ""2"",
      ""FolderId"": ""484936e2-7cbb-4592-93ff-b2103e5705e4"",
      ""Name"": ""Child folder"",
      ""Description"": ""Description!"",
      ""CreatedDate"": ""2001-11-20T10:50:00Z"",
      ""Files"": [
        {
          ""$id"": ""3"",
          ""FileId"": ""cc76d734-49f1-4616-bb38-41514228ac6c"",
          ""Name"": ""File 1"",
          ""Description"": ""Description!"",
          ""CreatedDate"": ""2002-10-30T10:50:00Z"",
          ""Folder"": {
            ""$ref"": ""2""
          },
          ""EntityKey"": {
            ""$id"": ""4"",
            ""EntitySetName"": ""File"",
            ""EntityContainerName"": ""DataServicesTestDatabaseEntities"",
            ""EntityKeyValues"": [
              {
                ""Key"": ""FileId"",
                ""Type"": ""System.Guid"",
                ""Value"": ""cc76d734-49f1-4616-bb38-41514228ac6c""
              }
            ]
          }
        }
      ],
      ""ChildFolders"": [],
      ""ParentFolder"": {
        ""$ref"": ""1""
      },
      ""EntityKey"": {
        ""$id"": ""5"",
        ""EntitySetName"": ""Folder"",
        ""EntityContainerName"": ""DataServicesTestDatabaseEntities"",
        ""EntityKeyValues"": [
          {
            ""Key"": ""FolderId"",
            ""Type"": ""System.Guid"",
            ""Value"": ""484936e2-7cbb-4592-93ff-b2103e5705e4""
          }
        ]
      }
    }
  ],
  ""ParentFolder"": null,
  ""EntityKey"": {
    ""$id"": ""6"",
    ""EntitySetName"": ""Folder"",
    ""EntityContainerName"": ""DataServicesTestDatabaseEntities"",
    ""EntityKeyValues"": [
      {
        ""Key"": ""FolderId"",
        ""Type"": ""System.Guid"",
        ""Value"": ""a4e8ba80-eb24-4591-bb1c-62d3ad83701e""
      }
    ]
  }
}";

      Assert.AreEqual(expected, json);
    }

    [Test]
    public void DeserializeEntity()
    {
      string json = @"{
  ""$id"": ""1"",
  ""FolderId"": ""a4e8ba80-eb24-4591-bb1c-62d3ad83701e"",
  ""Name"": ""Root folder"",
  ""Description"": ""Description!"",
  ""CreatedDate"": ""2000-12-10T10:50:00Z"",
  ""Files"": [],
  ""ChildFolders"": [
    {
      ""$id"": ""2"",
      ""FolderId"": ""484936e2-7cbb-4592-93ff-b2103e5705e4"",
      ""Name"": ""Child folder"",
      ""Description"": ""Description!"",
      ""CreatedDate"": ""2001-11-20T10:50:00Z"",
      ""Files"": [
        {
          ""$id"": ""3"",
          ""FileId"": ""cc76d734-49f1-4616-bb38-41514228ac6c"",
          ""Name"": ""File 1"",
          ""Description"": ""Description!"",
          ""CreatedDate"": ""2002-10-30T10:50:00Z"",
          ""Folder"": {
            ""$ref"": ""2""
          },
          ""EntityKey"": {
            ""$id"": ""4"",
            ""EntitySetName"": ""File"",
            ""EntityContainerName"": ""DataServicesTestDatabaseEntities"",
            ""EntityKeyValues"": [
              {
                ""Key"": ""FileId"",
                ""Type"": ""System.Guid"",
                ""Value"": ""cc76d734-49f1-4616-bb38-41514228ac6c""
              }
            ]
          }
        }
      ],
      ""ChildFolders"": [],
      ""ParentFolder"": {
        ""$ref"": ""1""
      },
      ""EntityKey"": {
        ""$id"": ""5"",
        ""EntitySetName"": ""Folder"",
        ""EntityContainerName"": ""DataServicesTestDatabaseEntities"",
        ""EntityKeyValues"": [
          {
            ""Key"": ""FolderId"",
            ""Type"": ""System.Guid"",
            ""Value"": ""484936e2-7cbb-4592-93ff-b2103e5705e4""
          }
        ]
      }
    }
  ],
  ""ParentFolder"": null,
  ""EntityKey"": {
    ""$id"": ""6"",
    ""EntitySetName"": ""Folder"",
    ""EntityContainerName"": ""DataServicesTestDatabaseEntities"",
    ""EntityKeyValues"": [
      {
        ""Key"": ""FolderId"",
        ""Type"": ""System.Guid"",
        ""Value"": ""a4e8ba80-eb24-4591-bb1c-62d3ad83701e""
      }
    ]
  }
}";

      Folder f = JsonConvert.DeserializeObject<Folder>(json, new IsoDateTimeConverter());

      Assert.IsNotNull(f);
      Assert.AreEqual(new Guid("A4E8BA80-EB24-4591-BB1C-62D3AD83701E"), f.FolderId);
      Assert.AreEqual("Folder", f.EntityKey.EntitySetName);
      Assert.AreEqual("DataServicesTestDatabaseEntities", f.EntityKey.EntityContainerName);
      Assert.AreEqual("Folder", f.EntityKey.EntitySetName);
      Assert.AreEqual(false, f.EntityKey.IsTemporary);
      Assert.AreEqual(1, f.EntityKey.EntityKeyValues.Length);
      Assert.AreEqual("FolderId", f.EntityKey.EntityKeyValues[0].Key);
      Assert.AreEqual(new Guid("A4E8BA80-EB24-4591-BB1C-62D3AD83701E"), f.EntityKey.EntityKeyValues[0].Value);
      Assert.AreEqual("Root folder", f.Name);
      Assert.AreEqual(new DateTime(2000, 12, 10, 10, 50, 0, DateTimeKind.Utc), f.CreatedDate);
      Assert.AreEqual(null, f.ParentFolder);
      Assert.AreEqual(1, f.ChildFolders.Count);

      Folder childFolder = f.ChildFolders.ElementAt(0);

      Assert.AreEqual("Child folder", childFolder.Name);
      Assert.AreEqual("Description!", childFolder.Description);
      Assert.AreEqual(f, childFolder.ParentFolder);
      Assert.AreEqual(f, childFolder.ParentFolderReference.Value);
      // is this a problem?
      Assert.AreEqual(null, childFolder.ParentFolderReference.EntityKey);
    }

    [Test]
    public void SerializeMultiValueEntityKey()
    {
      EntityKey e = new EntityKey("DataServicesTestDatabaseEntities.Folder",
                                  new List<EntityKeyMember>
                                    {
                                      new EntityKeyMember("GuidId", new Guid("A4E8BA80-EB24-4591-BB1C-62D3AD83701E")),
                                      new EntityKeyMember("IntId", int.MaxValue),
                                      new EntityKeyMember("LongId", long.MaxValue),
                                      new EntityKeyMember("StringId", "String!"),
                                      new EntityKeyMember("DateTimeId", new DateTime(2000, 12, 10, 10, 50, 0, DateTimeKind.Utc))
                                    });

      string json = JsonConvert.SerializeObject(e, Formatting.Indented);

      Assert.AreEqual(@"{
  ""$id"": ""1"",
  ""EntitySetName"": ""Folder"",
  ""EntityContainerName"": ""DataServicesTestDatabaseEntities"",
  ""EntityKeyValues"": [
    {
      ""Key"": ""GuidId"",
      ""Type"": ""System.Guid"",
      ""Value"": ""a4e8ba80-eb24-4591-bb1c-62d3ad83701e""
    },
    {
      ""Key"": ""IntId"",
      ""Type"": ""System.Int32"",
      ""Value"": ""2147483647""
    },
    {
      ""Key"": ""LongId"",
      ""Type"": ""System.Int64"",
      ""Value"": ""9223372036854775807""
    },
    {
      ""Key"": ""StringId"",
      ""Type"": ""System.String"",
      ""Value"": ""String!""
    },
    {
      ""Key"": ""DateTimeId"",
      ""Type"": ""System.DateTime"",
      ""Value"": ""12/10/2000 10:50:00""
    }
  ]
}", json);

      EntityKey newKey = JsonConvert.DeserializeObject<EntityKey>(json);
      Assert.IsFalse(ReferenceEquals(e, newKey));

      Assert.AreEqual(5, newKey.EntityKeyValues.Length);
      Assert.AreEqual("GuidId", newKey.EntityKeyValues[0].Key);
      Assert.AreEqual(new Guid("A4E8BA80-EB24-4591-BB1C-62D3AD83701E"), newKey.EntityKeyValues[0].Value);
      Assert.AreEqual("IntId", newKey.EntityKeyValues[1].Key);
      Assert.AreEqual(int.MaxValue, newKey.EntityKeyValues[1].Value);
      Assert.AreEqual("LongId", newKey.EntityKeyValues[2].Key);
      Assert.AreEqual(long.MaxValue, newKey.EntityKeyValues[2].Value);
      Assert.AreEqual("StringId", newKey.EntityKeyValues[3].Key);
      Assert.AreEqual("String!", newKey.EntityKeyValues[3].Value);
      Assert.AreEqual("DateTimeId", newKey.EntityKeyValues[4].Key);
      Assert.AreEqual(new DateTime(2000, 12, 10, 10, 50, 0, DateTimeKind.Utc), newKey.EntityKeyValues[4].Value);
    }

    private Folder CreateEntitiesTestData()
    {
      Folder folder = new Folder();
      folder.FolderId = new Guid("A4E8BA80-EB24-4591-BB1C-62D3AD83701E");
      folder.EntityKey = new EntityKey("DataServicesTestDatabaseEntities.Folder", "FolderId", folder.FolderId);
      folder.Name = "Root folder";
      folder.Description = "Description!";
      folder.CreatedDate = new DateTime(2000, 12, 10, 10, 50, 0, DateTimeKind.Utc);
      
      Folder childFolder = new Folder();
      childFolder.FolderId = new Guid("484936E2-7CBB-4592-93FF-B2103E5705E4");
      childFolder.EntityKey = new EntityKey("DataServicesTestDatabaseEntities.Folder", "FolderId", childFolder.FolderId);
      childFolder.Name = "Child folder";
      childFolder.Description = "Description!";
      childFolder.CreatedDate = new DateTime(2001, 11, 20, 10, 50, 0, DateTimeKind.Utc);

      folder.ChildFolders.Add(childFolder);

      File file1 = new File();
      file1.FileId = new Guid("CC76D734-49F1-4616-BB38-41514228AC6C");
      file1.EntityKey = new EntityKey("DataServicesTestDatabaseEntities.File", "FileId", file1.FileId);
      file1.Name = "File 1";
      file1.Description = "Description!";
      file1.CreatedDate = new DateTime(2002, 10, 30, 10, 50, 0, DateTimeKind.Utc);

      childFolder.Files.Add(file1);
      return folder;
    }
  }
}
#endif