using NUnit.Framework;
using System;
using Newtonsoft.Json.Linq;
using UVC.Data;
using UnityEngine;

namespace UVC.Tests.Data
{
    /// <summary>
    /// DataMapper 클래스의 테스트를 위한 테스트 클래스입니다.
    /// </summary>
    [TestFixture]
    public class DataMapperTests
    {
        /// <summary>
        /// 문자열 타입 매핑 테스트
        /// </summary>
        [Test]
        public void Map_StringProperty_MapsCorrectly()
        {
            // Arrange
            var guide = new JObject();
            guide["Name"] = "홍길동";

            var source = JObject.Parse(@"{ ""Name"": ""김철수"" }");

            var mapper = new DataMapper(source, guide);

            // Act
            var result = mapper.Map();

            // Assert
            Assert.IsTrue(result.ContainsKey("Name"));
            Assert.AreEqual("김철수", result["Name"].ToString());
        }

        /// <summary>
        /// 정수 타입 매핑 테스트
        /// </summary>
        [Test]
        public void Map_IntProperty_MapsCorrectly()
        {
            // Arrange
            var guide = new JObject();
            guide["Age"] = 25;

            var source = JObject.Parse(@"{ ""Age"": 30 }");

            var mapper = new DataMapper(source, guide);

            // Act
            var result = mapper.Map();

            // Assert
            Assert.IsTrue(result.ContainsKey("Age"));
            Assert.AreEqual(30, result["Age"].ToObject<int>());
        }

        /// <summary>
        /// 부동소수점 타입 매핑 테스트
        /// </summary>
        [Test]
        public void Map_DoubleProperty_MapsCorrectly()
        {
            // Arrange
            var guide = new JObject();
            guide["Height"] = 175.5;

            var source = JObject.Parse(@"{ ""Height"": 180.5 }");

            var mapper = new DataMapper(source, guide);

            // Act
            var result = mapper.Map();

            // Assert
            Assert.IsTrue(result.ContainsKey("Height"));
            Assert.AreEqual(180.5, result["Height"].ToObject<double>());
        }

        /// <summary>
        /// Boolean 타입 매핑 테스트
        /// </summary>
        [Test]
        public void Map_BoolProperty_MapsCorrectly()
        {
            // Arrange
            var guide = new JObject();
            guide["IsActive"] = false;

            var source = JObject.Parse(@"{ ""IsActive"": true }");

            var mapper = new DataMapper(source, guide);

            // Act
            var result = mapper.Map();

            // Assert
            Assert.IsTrue(result.ContainsKey("IsActive"));
            Assert.IsTrue(result["IsActive"].ToObject<bool>());
        }

        /// <summary>
        /// DateTime 타입 매핑 테스트
        /// </summary>
        [Test]
        public void Map_DateTimeProperty_MapsCorrectly()
        {
            // Arrange
            var guide = new JObject();
            guide["BirthDate"] = JToken.FromObject(DateTime.Now);

            var expectedDate = new DateTime(1990, 1, 1);
            var source = JObject.Parse(@"{ ""BirthDate"": ""1990-01-01T00:00:00.000"" }");

            var mapper = new DataMapper(source, guide);

            // Act
            var result = mapper.Map();

            // Assert
            Assert.IsTrue(result.ContainsKey("BirthDate"));
            Assert.AreEqual(expectedDate, result["BirthDate"].ToObject<DateTime>());
        }

        /// <summary>
        /// DataValueMapper 타입 매핑 테스트
        /// </summary>
        [Test]
        public void Map_DataValueMapperProperty_MapsCorrectly()
        {
            // Arrange
            var guide = new JObject();
            var valueMapper = new DataValueMapper();
            valueMapper["ON"] = "활성화";
            valueMapper["OFF"] = "비활성화";
            guide["Status"] = JToken.FromObject(valueMapper);

            var source = JObject.Parse(@"{ ""Status"": ""ON"" }");

            var mapper = new DataMapper(source, guide);

            // Act
            var result = mapper.Map();

            // Assert
            Assert.IsTrue(result.ContainsKey("Status"));
            Assert.AreEqual("활성화", result["Status"].ToString());
        }

        /// <summary>
        /// 열거형 타입 매핑 테스트
        /// </summary>
        [Test]
        public void Map_EnumProperty_MapsCorrectly()
        {
            // Arrange
            var guide = new JObject();
            guide["Status"] = JToken.FromObject(UserStatus.Inactive);

            var source = JObject.Parse(@"{ ""Status"": ""Active"" }");

            var mapper = new DataMapper(source, guide);

            // Act
            var result = mapper.Map();

            // Assert
            Assert.IsTrue(result.ContainsKey("Status"));
            Assert.AreEqual(UserStatus.Active, result["Status"].ToObject<UserStatus>());
        }

        /// <summary>
        /// 타겟에 없는 추가 속성 매핑 테스트
        /// </summary>
        [Test]
        public void Map_AdditionalProperty_AddsToResult()
        {
            // Arrange
            var guide = new JObject();
            guide["Name"] = "홍길동";

            var source = JObject.Parse(@"{ ""Name"": ""김철수"", ""Email"": ""kim@example.com"" }");

            var mapper = new DataMapper(source, guide);

            // Act
            var result = mapper.Map();

            // Assert
            Assert.IsTrue(result.ContainsKey("Email"));
            Assert.AreEqual("kim@example.com", result["Email"].ToString());
        }

        /// <summary>
        /// 유효하지 않은 DateTime 문자열 매핑 테스트
        /// </summary>
        [Test]
        public void Map_InvalidDateTimeString_ReturnsNull()
        {
            // Arrange
            var guide = new JObject();
            guide["BirthDate"] = JToken.FromObject(DateTime.Now);

            var source = JObject.Parse(@"{ ""BirthDate"": ""InvalidDateTime"" }");

            var mapper = new DataMapper(source, guide);

            // Act
            var result = mapper.Map();

            // Assert
            Assert.IsTrue(result.ContainsKey("BirthDate"));
            Assert.AreEqual(JTokenType.Null, result["BirthDate"].Type);
        }

        /// <summary>
        /// 복합 객체 매핑 테스트
        /// </summary>
        [Test]
        public void Map_ComplexObject_MapsAllProperties()
        {
            // Arrange
            var guide = new JObject();
            guide["Id"] = 1;
            guide["Name"] = "홍길동";
            guide["IsActive"] = false;
            guide["JoinDate"] = JToken.FromObject(DateTime.Now);
            guide["Height"] = 175.5;
            guide["Status"] = JToken.FromObject(UserStatus.Inactive);

            string json = @"{
                ""Id"": 100,
                ""Name"": ""김철수"",
                ""IsActive"": true,
                ""JoinDate"": ""2023-01-01T00:00:00"",
                ""Height"": 180.0,
                ""Status"": ""Active"",
                ""Email"": ""kim@example.com""
            }";

            var source = JObject.Parse(json);
            var mapper = new DataMapper(source, guide);

            // Act
            var result = mapper.Map();

            // Assert
            Assert.AreEqual(7, result.Count);
            Assert.AreEqual(100, result["Id"].ToObject<int>());
            Assert.AreEqual("김철수", result["Name"].ToString());
            Assert.IsTrue(result["IsActive"].ToObject<bool>());
            Assert.AreEqual(new DateTime(2023, 1, 1), result["JoinDate"].ToObject<DateTime>());
            Assert.AreEqual(180.0, result["Height"].ToObject<double>());
            Assert.AreEqual(UserStatus.Active, result["Status"].ToObject<UserStatus>());
            Assert.AreEqual("kim@example.com", result["Email"].ToString());
        }
    }

    /// <summary>
    /// 테스트에 사용할 샘플 열거형
    /// </summary>
    public enum UserStatus
    {
        Active,
        Inactive,
        Suspended
    }
}