using System.Collections.Generic;
using Util.Helpers;
using Util.Maps;
using Util.Tests.Samples;
using Xunit;

namespace Util.Tests.Maps {
    /// <summary>
    /// 对象映射测试
    /// </summary>
    public class MapTest {
        /// <summary>
        /// 测试映射
        /// </summary>
        [Fact]
        public void TestMapTo() {
            Sample sample = new Sample();
            Sample2 sample2 = new Sample2 { StringValue = "a" };
            sample2.MapTo( sample );
            Assert.Equal( "a", sample.StringValue );
        }

        /// <summary>
        /// 测试映射
        /// </summary>
        [Fact]
        public void TestMapTo_2() {
            Sample sample = new Sample { StringValue = "a" };
            Sample2 sample2 = sample.MapTo<Sample2>();
            Assert.Equal( "a", sample2.StringValue );
        }

        /// <summary>
        /// 测试映射
        /// </summary>
        [Fact]
        public void TestMapTo_3() {
            Sample sample = new Sample { StringValue = "a" };
            Sample2 sample2 = sample.MapTo<Sample2>();
            Assert.Equal( "a", sample2.StringValue );

            sample2 = new Sample2 { StringValue = "b" };
            sample = sample2.MapTo<Sample>();
            Assert.Equal( "b", sample.StringValue );

            sample = new Sample { StringValue = "c" };
            sample2 = sample.MapTo<Sample2>();
            Assert.Equal( "c", sample2.StringValue );
        }

        /// <summary>
        /// 测试映射 - 映射相同属性名的不同对象
        /// </summary>
        [Fact]
        public void TestMapTo_4() {
            Sample sample = new Sample { Test3 = new Sample3Copy { StringValue = "a" } };
            Sample2 sample2 = sample.MapTo<Sample2>();
            Assert.Equal( "a", sample2.Test3.StringValue );
        }

        /// <summary>
        /// 测试映射 - 映射相同属性名的不同对象集合
        /// </summary>
        [Fact]
        public void TestMapTo_5() {
            Sample sample = new Sample { TestList = new List<Sample3Copy> { new Sample3Copy{ StringValue = "a" }, new Sample3Copy { StringValue = "b" } } };
            Sample2 sample2 = sample.MapTo<Sample2>();
            Assert.Equal( 2, sample2.TestList.Count );
            Assert.Equal( "a", sample2.TestList[0].StringValue );
            Assert.Equal( "b", sample2.TestList[1].StringValue );
        }

        /// <summary>
        /// 测试映射集合
        /// </summary>
        [Fact]
        public void TestMapTo_List() {
            List<Sample> sampleList = new List<Sample> { new Sample { StringValue = "a" }, new Sample { StringValue = "b" } };
            List<Sample2> sample2List = new List<Sample2>();
            sampleList.MapTo( sample2List );
            Assert.Equal( 2, sample2List.Count );
            Assert.Equal( "a", sample2List[0].StringValue );
        }

        /// <summary>
        /// 测试映射集合
        /// </summary>
        [Fact]
        public void TestMapTo_List_2() {
            List<Sample> sampleList = new List<Sample> { new Sample { StringValue = "a" }, new Sample { StringValue = "b" } };
            List<Sample2> sample2List = sampleList.MapTo<List<Sample2>>();
            Assert.Equal( 2, sample2List.Count );
            Assert.Equal( "a", sample2List[0].StringValue );
        }

        /// <summary>
        /// 测试映射集合
        /// </summary>
        [Fact]
        public void TestMapToList() {
            List<Sample> sampleList = new List<Sample> { new Sample { StringValue = "a" }, new Sample { StringValue = "b" } };
            List<Sample2> sample2List = sampleList.MapToList<Sample2>();
            Assert.Equal( 2, sample2List.Count );
            Assert.Equal( "a", sample2List[0].StringValue );
        }

        /// <summary>
        /// 映射集合 - 测试空集合
        /// </summary>
        [Fact]
        public void TestMapToList_Empty() {
            List<Sample> sampleList = new List<Sample>();
            List<Sample2> sample2List = sampleList.MapToList<Sample2>();
            Assert.Empty( sample2List );
        }

        /// <summary>
        /// 映射集合 - 测试数组
        /// </summary>
        [Fact]
        public void TestMapToList_Array() {
            Sample[] sampleList = { new Sample { StringValue = "a" }, new Sample { StringValue = "b" } };
            List<Sample2> sample2List = sampleList.MapToList<Sample2>();
            Assert.Equal( 2, sample2List.Count );
            Assert.Equal( "a", sample2List[0].StringValue );
        }

        /// <summary>
        /// 并发测试
        /// </summary>
        [Fact]
        public void TestMapTo_MultipleThread() {
            Thread.ParallelExecute( () => {
                var sample = new Sample { StringValue = "a" };
                var sample2 = sample.MapTo<Sample2>();
                Assert.Equal( "a", sample2.StringValue );
            }, 20 );
        }

        /// <summary>
        /// 测试忽略特性
        /// </summary>
        [Fact]
        public void TestMapTo_Ignore() {
            DtoSample sample2 = new DtoSample { Name = "a", IgnoreValue = "b" };
            EntitySample sample = sample2.MapTo<EntitySample>();
            Assert.Equal( "a", sample.Name );
            Assert.Null( sample.IgnoreValue );
            DtoSample sample3 = sample.MapTo<DtoSample>();
            Assert.Equal( "a", sample3.Name );
            Assert.Null( sample3.IgnoreValue );
        }

        /// <summary>
        /// 测试Castle代理类
        /// </summary>
        [Fact]
        public void TestMapTo_CastleProxy() {
            Castle.DynamicProxy.ProxyGenerator proxyGenerator = new Castle.DynamicProxy.ProxyGenerator();
            var proxy = proxyGenerator.CreateClassProxy<DtoSample>();
            proxy.Name = "a";
            EntitySample sample = proxy.MapTo<EntitySample>();
            Assert.Equal( "a", sample.Name );

            var proxy2 = proxyGenerator.CreateClassProxy<DtoSample>();
            proxy2.Name = "b";
            sample = proxy2.MapTo<EntitySample>();
            Assert.Equal( "b", sample.Name );

            var sample2 = new DtoSample { Name = "c" };
            var proxy3 = proxyGenerator.CreateClassProxy<EntitySample>();
            sample2.MapTo( proxy3 );
            Assert.Equal( "c", proxy3.Name );
        }
    }
}