using System.Data.SqlClient;
using System.Drawing;
using System.Drawing.Imaging;

namespace DcmToPng.Helper
{
    public static class UploadHelper
    {

        public static void Upload()
        { 
            var time = DateTime.Now;
            // 获取文件夹下所有文件的路径
            var files = Directory.GetFiles(Constant.ImgPath);
            var i = 0;
            // 建立数据库连接
            using (var connection = new SqlConnection(Constant.ConnectionString))
            {
                // 遍历文件路径并输出
                foreach (var filePath in files)
                {
                    try
                    {
                        var fileName = Path.GetFileName(filePath);
                        var eid = Convert.ToInt64(fileName.Split('-')[0]);
                        var reportNo = fileName.Split('-')[1];

                        using (Image image = Image.FromFile(filePath))
                        {
                            using (MemoryStream memoryStream = new MemoryStream())
                            {
                                image.Save(memoryStream, ImageFormat.Png);
                                var imgBytes = memoryStream.ToArray();
                                //上传
                                {
                                    connection.Open();
                                    // 创建插入记录的 SQL 查询
                                    // 创建命令对象
                                    using (var command = new SqlCommand(Constant.SqlInsert, connection))
                                    {
                                        // 设置参数值
                                        command.Parameters.AddWithValue("@ImageData", imgBytes);
                                        command.Parameters.AddWithValue("@EID", eid);
                                        command.Parameters.AddWithValue("@ReportNo", reportNo);
                                        command.Parameters.AddWithValue("@InTime", time);
                                        command.ExecuteNonQuery();
                                    }
                                    connection.Close();
                                }
                            }
                        }
                        i++;
                        // 删除上传成功的文件
                        File.Delete(filePath); 
                    }
                    catch (Exception e)
                    {
                        Console.WriteLine ("[Upload][Error]" + Path.GetFileName(filePath) + " | " + e.Message);
                    }
                }
            } 
            Console.WriteLine("[图片上传成功]" + i); 
        }
    }
}