using System.Collections.Specialized;
using System.IO;
using System.Threading;

namespace PdmSwPlugin.Common.Entity
{
    /// <summary>
    /// 通过 SolidWorks Document Management API (DM API) 得到的文档属性集合
    /// </summary>
    public class SldComponentInfo_DM
    {
        /// <summary>
        /// 唯一标识
        /// 内部产生，从 1 开始递增
        /// </summary>
        public int Id
        {
            get; set;
        }

        /// <summary>
        /// 层级，顶级装配体的层级为 0， 其它的依次为 1, 2, 3, N
        /// </summary>
        public int Level
        {
            get; set;
        }

        /// <summary>
        /// 父级的 Id，顶级装配体的父级 Id 为空 (0)
        /// </summary>
        public int ParentId
        {
            get; set;
        }

        /// <summary>
        /// 子节点的数量，不包含本节点
        /// </summary>
        public int ChildrenCount
        {
            get; set;
        }

        /// <summary>
        /// 全路径
        /// </summary>
        public string FullPath
        {
            get; set;
        }

        /// <summary>
        /// 路径
        /// </summary>
        public string DirectoryName
        {
            get
            {
                try
                {
                    return Path.GetDirectoryName(this.FullPath);
                }
                catch
                {
                    return string.Empty;
                }
            }
        }

        /// <summary>
        /// 纯文件名，没有后缀的
        /// </summary>
        public string FileNameWithoutExt
        {
            get
            {
                try
                {
                    return Path.GetFileNameWithoutExtension(this.FullPath);
                }
                catch
                {
                    return string.Empty;
                }
            }
        }

        /// <summary>
        /// 文件名，有后缀的
        /// </summary>
        public string FileName
        {
            get
            {
                try
                {
                    return Path.GetFileName(this.FullPath);
                }
                catch
                {
                    return string.Empty;
                }
            }
        }

        /// <summary>
        /// Tag, 可以不用，或自定义
        /// </summary>
        public string Tag
        {
            get; set;
        }

        /// <summary>
        /// 名称，也就是在特征树里显示的名称，与物料编码不一样
        /// </summary>
        public string FeatureName
        {
            get; set;
        }

        /// <summary>
        /// 特征的唯一 ID
        /// </summary>
        public int FeatureId
        {
            get; set;
        }

        /// <summary>
        /// 压缩状态
        /// </summary>
        public bool IsSuppressed
        {
            get; set;
        }

        /// <summary>
        /// 配置数量
        /// </summary>
        public int ConfigurationCount
        {
            get; set;
        }

        /// <summary>
        /// 工程图名称
        /// </summary>
        public string FileName2D
        {
            get; set;
        }

        /// <summary>
        /// 可见的吗？
        /// </summary>
        public bool Visible
        {
            get; set;
        }

        /// <summary>
        /// 所有的自定义属性
        /// </summary>
        public NameValueCollection AllCustomProperties
        {
            get; set;
        }

        /// <summary>
        /// 私有构造函数，任何调用者都没法直接生成一个不带参数的本类的实例了
        /// </summary>
        private SldComponentInfo_DM()
        {
            this.Id = -1;
            this.Visible = true;
            //this.IsSuppressed = false;
        }

        /// <summary>
        /// 每个项都将设置一个惟一的 ID, 就从 0 开始
        /// </summary>
        private static int currentId = 0;

        /// <summary>
        /// 生成根节点，顶级装配体的信息
        /// </summary>
        /// <returns>顶级装配体的 ID = 1</returns>
        public static SldComponentInfo_DM GenerateTheRoot()
        {
            currentId = 1;
            return new SldComponentInfo_DM()
            {
                Id = currentId,
                Level = 0,
                ParentId = 0
            };
        }

        /// <summary>
        /// 生成下一个节点，反正不是顶级装配体
        /// </summary>
        /// <returns>当前节点，只设置一个属性 - Id，确保 Id 是唯一的</returns>
        public static SldComponentInfo_DM GenerateTheNext()
        {
            int nextId = Interlocked.Increment(ref currentId);
            return new SldComponentInfo_DM()
            {
                Id = currentId
            };
        }
    }
}