#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 || PORTABLE)
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Dynamic;
using System.IO;
using System.Linq;
using System.Net;
using System.Reflection;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Linq;
#if !NETFX_CORE
using NUnit.Framework;
#else
using Microsoft.VisualStudio.TestPlatform.UnitTestFramework;
using TestFixture = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestClassAttribute;
using Test = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestMethodAttribute;
#endif
using Newtonsoft.Json.Serialization;
using Newtonsoft.Json.Tests.TestObjects;
using Newtonsoft.Json.Utilities;
using System.Globalization;

namespace Newtonsoft.Json.Tests.Documentation
{
  public class Employee
  {
    public string Name { get; set; }
    public Employee Manager { get; set; }
  }

  #region ShouldSerializeContractResolver
  public class ShouldSerializeContractResolver : DefaultContractResolver
  {
    public new static readonly ShouldSerializeContractResolver Instance = new ShouldSerializeContractResolver();

    protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
    {
      JsonProperty property = base.CreateProperty(member, memberSerialization);

      if (property.DeclaringType == typeof(Employee) && property.PropertyName == "Manager")
      {
        property.ShouldSerialize =
          instance =>
            {
              Employee e = (Employee) instance;
              return e.Manager != e;
            };
      }

      return property;
    }
  }
  #endregion

  [TestFixture]
  public class ConditionalPropertiesTests : TestFixtureBase
  {
    #region EmployeeShouldSerializeExample
    public class Employee
    {
      public string Name { get; set; }
      public Employee Manager { get; set; }

      public bool ShouldSerializeManager()
      {
        // don't serialize the Manager property if an employee is their own manager
        return (Manager != this);
      }
    }
    #endregion

    [Test]
    public void ShouldSerializeClassTest()
    {
      #region ShouldSerializeClassTest
      Employee joe = new Employee();
      joe.Name = "Joe Employee";
      Employee mike = new Employee();
      mike.Name = "Mike Manager";

      joe.Manager = mike;

      // mike is his own manager
      // ShouldSerialize will skip this property
      mike.Manager = mike;

      string json = JsonConvert.SerializeObject(new[] { joe, mike }, Formatting.Indented);
      // [
      //   {
      //     "Name": "Joe Employee",
      //     "Manager": {
      //       "Name": "Mike Manager"
      //     }
      //   },
      //   {
      //     "Name": "Mike Manager"
      //   }
      // ]
      #endregion

      Assert.AreEqual(@"[
  {
    ""Name"": ""Joe Employee"",
    ""Manager"": {
      ""Name"": ""Mike Manager""
    }
  },
  {
    ""Name"": ""Mike Manager""
  }
]", json);
    }

    [Test]
    public void ShouldSerializeContractResolverTest()
    {
      Newtonsoft.Json.Tests.Documentation.Employee joe = new Newtonsoft.Json.Tests.Documentation.Employee();
      joe.Name = "Joe Employee";
      Newtonsoft.Json.Tests.Documentation.Employee mike = new Newtonsoft.Json.Tests.Documentation.Employee();
      mike.Name = "Mike Manager";

      joe.Manager = mike;
      mike.Manager = mike;

      string json = JsonConvert.SerializeObject(
        new[] {joe, mike},
        Formatting.Indented,
        new JsonSerializerSettings
          {
            ContractResolver = ShouldSerializeContractResolver.Instance
          });

      Assert.AreEqual(@"[
  {
    ""Name"": ""Joe Employee"",
    ""Manager"": {
      ""Name"": ""Mike Manager""
    }
  },
  {
    ""Name"": ""Mike Manager""
  }
]", json);

    }
  }
}
#endif