using Infrastructure;
using Microsoft.Extensions.Configuration;
using Xunit;
using ZR.Common;
using ZR.Model.Business.Dto;

namespace ZR.Tests
{
    /// <summary>
    /// CosService 单元测试
    /// </summary>
    public class CosServiceTests : IClassFixture<TestFixture>
    {
        public CosServiceTests(TestFixture fixture)
        {
            // 确保配置已初始化
        }

        /// <summary>
        /// 测试URL生成逻辑 - 验证返回的图片数量与请求数量一致
        /// </summary>
        [Fact]
        public void GetUploadUrls_ReturnsCorrectImageCount()
        {
            // Arrange
            var request = new CosUploadUrlsRequest
            {
                RecordTime = DateTime.Now,
                DeptName = "测试部门",
                Content = "测试内容",
                Workers = new List<string> { "张三", "李四" },
                FileExt = ".jpg",
                ImageCount = 3
            };

            // Act
            var response = CosService.GetUploadUrls(request);

            // Assert
            Assert.NotNull(response);
            Assert.NotNull(response.Images);
            Assert.Equal(3, response.Images.Count);
        }

        /// <summary>
        /// 测试URL生成逻辑 - 验证每张图片都有完整的URL结构
        /// </summary>
        [Fact]
        public void GetUploadUrls_ReturnsCompleteUrlStructure()
        {
            // Arrange
            var request = new CosUploadUrlsRequest
            {
                RecordTime = DateTime.Now,
                DeptName = "测试部门",
                Content = "测试内容",
                Workers = new List<string> { "张三", "李四" },
                FileExt = ".jpg",
                ImageCount = 1
            };

            // Act
            var response = CosService.GetUploadUrls(request);

            // Assert
            Assert.NotNull(response);
            Assert.Single(response.Images);

            var image = response.Images[0];
            Assert.NotNull(image.ImageId);
            Assert.NotNull(image.FileName);
            Assert.NotNull(image.AccessUrl);
            Assert.NotNull(image.UploadUrls);
            Assert.NotNull(image.UploadUrls.Daily);
            Assert.NotNull(image.UploadUrls.Content);
            Assert.NotNull(image.UploadUrls.Dept);
            Assert.NotNull(image.UploadUrls.Workers);
            Assert.Equal(2, image.UploadUrls.Workers.Count);
        }

        /// <summary>
        /// 测试目录路径格式 - 验证路径包含正确的日期格式
        /// </summary>
        [Fact]
        public void GetUploadUrls_PathContainsCorrectDateFormat()
        {
            // Arrange
            var recordTime = new DateTime(2025, 1, 5, 10, 30, 0);
            var request = new CosUploadUrlsRequest
            {
                RecordTime = recordTime,
                DeptName = "测试部门",
                Content = "测试内容",
                Workers = new List<string> { "张三" },
                FileExt = ".jpg",
                ImageCount = 1
            };

            // Act
            var response = CosService.GetUploadUrls(request);

            // Assert
            Assert.NotNull(response);
            var image = response.Images[0];
            
            // 验证AccessUrl包含正确的日期路径格式
            Assert.Contains("/workfiles/202501/20250105/", image.AccessUrl);
        }

        /// <summary>
        /// 测试目录路径格式 - 验证路径包含正确的分类目录
        /// </summary>
        [Fact]
        public void GetUploadUrls_PathContainsCorrectCategories()
        {
            // Arrange
            var request = new CosUploadUrlsRequest
            {
                RecordTime = DateTime.Now,
                DeptName = "测试部门",
                Content = "测试内容",
                Workers = new List<string> { "张三" },
                FileExt = ".jpg",
                ImageCount = 1
            };

            // Act
            var response = CosService.GetUploadUrls(request);

            // Assert
            Assert.NotNull(response);
            var image = response.Images[0];
            
            // 验证AccessUrl包含当日照片目录
            Assert.Contains("/当日照片/", image.AccessUrl);
        }

        /// <summary>
        /// 测试文件名格式 - 验证文件名包含时间戳和扩展名
        /// </summary>
        [Fact]
        public void GetUploadUrls_FileNameHasCorrectFormat()
        {
            // Arrange
            var request = new CosUploadUrlsRequest
            {
                RecordTime = DateTime.Now,
                DeptName = "测试部门",
                Content = "测试内容",
                Workers = new List<string> { "张三" },
                FileExt = ".png",
                ImageCount = 1
            };

            // Act
            var response = CosService.GetUploadUrls(request);

            // Assert
            Assert.NotNull(response);
            var image = response.Images[0];
            
            // 验证文件名以指定扩展名结尾
            Assert.EndsWith(".png", image.FileName);
            // 验证文件名包含下划线（时间戳_随机数格式）
            Assert.Contains("_", image.FileName);
        }

        /// <summary>
        /// 测试空Workers列表
        /// </summary>
        [Fact]
        public void GetUploadUrls_WithEmptyWorkers_ReturnsEmptyWorkersUrls()
        {
            // Arrange
            var request = new CosUploadUrlsRequest
            {
                RecordTime = DateTime.Now,
                DeptName = "测试部门",
                Content = "测试内容",
                Workers = new List<string>(),
                FileExt = ".jpg",
                ImageCount = 1
            };

            // Act
            var response = CosService.GetUploadUrls(request);

            // Assert
            Assert.NotNull(response);
            var image = response.Images[0];
            Assert.NotNull(image.UploadUrls.Workers);
            Assert.Empty(image.UploadUrls.Workers);
        }

        /// <summary>
        /// 测试COS URL验证 - 有效URL
        /// </summary>
        [Fact]
        public void IsValidCosUrl_WithValidUrl_ReturnsTrue()
        {
            // Arrange
            var validUrl = "https://miaoyu-1308826010.cos.ap-shanghai.myqcloud.com/workfiles/202501/20250105/当日照片/test.jpg";

            // Act
            var result = CosService.IsValidCosUrl(validUrl);

            // Assert
            Assert.True(result);
        }

        /// <summary>
        /// 测试COS URL验证 - 无效URL
        /// </summary>
        [Fact]
        public void IsValidCosUrl_WithInvalidUrl_ReturnsFalse()
        {
            // Arrange
            var invalidUrl = "https://other-domain.com/workfiles/test.jpg";

            // Act
            var result = CosService.IsValidCosUrl(invalidUrl);

            // Assert
            Assert.False(result);
        }

        /// <summary>
        /// 测试COS URL验证 - 空URL
        /// </summary>
        [Fact]
        public void IsValidCosUrl_WithEmptyUrl_ReturnsFalse()
        {
            // Act
            var result = CosService.IsValidCosUrl("");

            // Assert
            Assert.False(result);
        }

        /// <summary>
        /// 测试获取临时密钥
        /// </summary>
        [Fact]
        public void GetTempCredentials_ReturnsValidCredentials()
        {
            // Act
            var credentials = CosService.GetTempCredentials();

            // Assert
            Assert.NotNull(credentials);
            Assert.NotNull(credentials.SecretId);
            Assert.NotNull(credentials.SecretKey);
            Assert.NotNull(credentials.Region);
            Assert.NotNull(credentials.Bucket);
            Assert.NotNull(credentials.DomainUrl);
            Assert.NotNull(credentials.Prefixes);
            Assert.True(credentials.DurationSecond > 0);
        }
    }

    /// <summary>
    /// 测试夹具 - 初始化配置
    /// </summary>
    public class TestFixture : IDisposable
    {
        public TestFixture()
        {
            var configuration = new ConfigurationBuilder()
                .SetBasePath(Directory.GetCurrentDirectory())
                .AddJsonFile("appsettings.test.json", optional: false, reloadOnChange: true)
                .Build();

            // 初始化AppSettings
            new AppSettings(configuration);
        }

        public void Dispose()
        {
            // 清理资源
        }
    }
}