using System;
using System.IO;

namespace IStation.DAL
{
    /// <summary>
    /// 项目
    /// </summary>	
    public class Project : BaseDAL<Entity.Project>
    {
        public override string FileName
        {
            get
            {
                var workFolder = FileHelper.GetWorkFolder();
                var fileName = FileHelper.GetFilePath<Entity.Project>(workFolder);
                return fileName;
            }
        }

        /// <summary>
        /// 导入
        /// </summary>
        public long Import(string fileName, out string msg)
        {
            msg = string.Empty;
            var newProjectId = SnowflakeIdHelper.NextId();
            var newProjectFolder = FileHelper.GetProjectFolder(newProjectId);
            ZipHelper.UnZipFolder(fileName, newProjectFolder);

            var newProjectFile = FileHelper.GetFilePath<Entity.Project>(newProjectFolder);//导入的项目内的旧项目文件
            var defaultProject = GetFileObject<Entity.Project>(newProjectFile);
            if (defaultProject == null)
            {
                msg = "项目文件缺失";
                return default;
            }
            else
            {
                File.Delete(newProjectFile);//解析完成后删除 
            }

            var entity = new Entity.Project();
            entity.ID = newProjectId;
            entity.Name = defaultProject.Name + "(导入)";
            entity.Version = defaultProject.Version;
            entity.TagName = defaultProject.TagName;
            entity.Description = defaultProject.Description;
            entity.CreateTime = DateTime.Now;
            entity.UpdateTime = null;

            newProjectId = Insert(entity);
            if (newProjectId < 0)
                return default;

            return newProjectId;
        }



        /// <summary>
        /// 导出
        /// </summary>
        public bool Export(long id, string fileName, out string msg)
        {
            msg = string.Empty;
            var project = GetByID(id);
            if (project == null)
            {
                msg = "项目不存在";
                return false;
            }

            //生成项目信息文件
            var projectFolder = FileHelper.GetProjectFolder(id);
            var projectFile = FileHelper.GetFilePath<Entity.Project>(projectFolder);
            SaveObjectFile(projectFile, project);

            //压缩项目文件夹
            ZipHelper.ZipFolder(projectFolder, fileName);
            return true;
        }


        /// <summary>
        /// 移除项目文件夹
        /// </summary>
        public void RemoveFolder(long id)
        {
            var projectFolder = FileHelper.GetProjectFolder(id);
            Directory.Delete(projectFolder, true);
        }

    }

}