// Copyright (c) Umbraco.
// See LICENSE for more details.

using System;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using Newtonsoft.Json;
using NUnit.Framework;
using Umbraco.Cms.Core.Models;
using Umbraco.Cms.Tests.Common.Builders;
using Umbraco.Cms.Tests.Common.Builders.Extensions;

namespace Umbraco.Cms.Tests.UnitTests.Umbraco.Core.Models
{
    [TestFixture]
    public class TemplateTests
    {
        private TemplateBuilder _builder;

        [SetUp]
        public void SetUp() => _builder = new TemplateBuilder();

        [Test]
        public void Can_Deep_Clone()
        {
            ITemplate template = BuildTemplate();

            var clone = (Template)template.DeepClone();

            Assert.AreNotSame(clone, template);
            Assert.AreEqual(clone, template);
            Assert.AreEqual(clone.Path, template.Path);
            Assert.AreEqual(clone.IsMasterTemplate, template.IsMasterTemplate);
            Assert.AreEqual(clone.CreateDate, template.CreateDate);
            Assert.AreEqual(clone.Alias, template.Alias);
            Assert.AreEqual(clone.Id, template.Id);
            Assert.AreEqual(clone.Key, template.Key);
            Assert.AreEqual(clone.MasterTemplateAlias, template.MasterTemplateAlias);
            Assert.AreEqual(clone.MasterTemplateId.Value, ((Template)template).MasterTemplateId.Value);
            Assert.AreEqual(clone.Name, template.Name);
            Assert.AreEqual(clone.UpdateDate, template.UpdateDate);

            // clone.Content should be null but getting it would lazy-load
            Type type = clone.GetType();
            FieldInfo contentField = type.BaseType.GetField("_content", BindingFlags.Instance | BindingFlags.NonPublic);
            var value = contentField.GetValue(clone);
            Assert.IsNull(value);

            // this double verifies by reflection
            // need to exclude content else it would lazy-load
            PropertyInfo[] allProps = clone.GetType().GetProperties();
            foreach (PropertyInfo propertyInfo in allProps.Where(x => x.Name != "Content"))
            {
                Assert.AreEqual(propertyInfo.GetValue(clone, null), propertyInfo.GetValue(template, null));
            }
        }

        [Test]
        public void Can_Serialize_Without_Error()
        {
            ITemplate template = BuildTemplate();

            var json = JsonConvert.SerializeObject(template);
            Debug.Print(json);
        }

        private ITemplate BuildTemplate() =>
            _builder
                .WithId(3)
                .WithAlias("test")
                .WithName("Test")
                .WithCreateDate(DateTime.Now)
                .WithUpdateDate(DateTime.Now)
                .WithKey(Guid.NewGuid())
                .WithContent("blah")
                .AsMasterTemplate("master", 88)
                .Build();
    }
}
