using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using EMIS.Entities;
using EMIS.ViewModel.CacheManage;

namespace EMIS.ViewModel.TeachingMaterial
{
    [Serializable]
    public class TeachingMaterialPoolView
    {
        /// <summary>
        /// 教材ID
        /// </summary>
        [DisplayName("教材ID")]
        public Guid TeachingMaterialPoolID { get; set; }

        /// <summary>
        /// 教材编号
        /// </summary>
        /// [Required]
        [DisplayName("教材编号")]
        [Required]
        public string TeachingMaterialCode { get; set; }

        /// <summary>
        /// 教材名称
        /// </summary>
        [DisplayName("教材名称")]
        [Required]
        public string TeachingMaterialName { get; set; }

        /// <summary>
        /// 教材名称
        /// </summary>
        [DisplayName("教材简称")]
        //[Required]
        public string TeachingMaterialShorName { get; set; }

        /// <summary>
        /// 课程ID
        /// </summary>
        [DisplayName("课程")]
        //[Required]
        public HashSet<EM_Coursematerial> CoursematerialEntityList { get; set; }

        /// <summary>
        /// 课程名称
        /// </summary>
        [DisplayName("课程名称")]
        //[Required]
        public string CoursematerialName
        {
            get
            {
                return string.Join(",", CoursematerialEntityList.Select(x => x.CourseName));
            }
        }

        /// <summary>
        /// 课程代码
        /// </summary>
        [DisplayName("课程代码")]
        //[Required]
        public string CoursematerialCode
        {
            get
            {
                return string.Join(",", CoursematerialEntityList.Select(x => x.CourseCode));
            }
        }

        /// <summary>
        /// ISBN
        /// </summary>
        [DisplayName("ISBN")]
        [Required]
        public string ISBN { get; set; }

        private string isbnPre1Field;
        [Required]
        [DisplayName("国家编号")]
        [StringLength(3, MinimumLength = 3, ErrorMessage = "请输入3位国家编号")]
        public string ISBNPre1 
        {
            get
            {
                var trimISBN = (ISBN ?? "").Trim().Replace("-", "");
                if (trimISBN.Length >= 3)
                {
                    return trimISBN.Substring(0, 3);
                }
                else if (trimISBN.Length > 0)
                {
                    return trimISBN;
                }
                else
                {
                    return "978";
                }
            }
            set
            {
                isbnPre1Field = value;
                ISBN = isbnPre1Field + "-" + isbnPre2Field + "-" + isbnPre3Field + "-" + isbnPre4Field + "-" + isbnPre5Field;
            }
        }

        private string isbnPre2Field;
        [Required]
        [DisplayName("国代号")]
        [StringLength(1, MinimumLength = 1, ErrorMessage = "请输入1位国代号")]
        public string ISBNPre2
        {
            get
            {
                var trimISBN = (ISBN ?? "").Trim().Replace("-", "");
                if (trimISBN.Length >= 4)
                {
                    return trimISBN.Substring(3, 1);
                }
                else
                {
                    return "7";
                }
            }
            set
            {
                isbnPre2Field = value;
                ISBN = isbnPre1Field + "-" + isbnPre2Field + "-" + isbnPre3Field + "-" + isbnPre4Field + "-" + isbnPre5Field;
            }
        }

        private string isbnPre3Field;
        [Required]
        [DisplayName("出版社代号")]
        [StringLength(6, MinimumLength = 2, ErrorMessage = "请输入2-6位出版社代号")]
        [TotalLength(8, "ISBNPre4", ErrorMessage = "出版社代号和出版序号加起来应该有8位")]
        public string ISBNPre3
        {
            get
            {
                var isbnGroup = ISBN.Split('-');
                var subString = "";

                if (isbnGroup.Length >= 3 && isbnGroup[2].Length >= 2 && isbnGroup[2].Length <= 6)
                {
                    return isbnGroup[2];
                }
                if (isbnGroup.Length >= 3)
                {
                    subString = isbnGroup[2];
                }
                else
                {
                    var trimISBN = (ISBN ?? "").Trim().Replace("-", "");
                    if (trimISBN.Length > 4)
                    {
                        subString = trimISBN.Substring(4);
                    }
                    else
                    {
                        subString = "";
                    }
                }

                if (subString.Length >= 6)
                {
                    return subString.Substring(0, 6);
                }
                else
                {
                    return subString;
                }
            }
            set
            {
                isbnPre3Field = value;
                ISBN = isbnPre1Field + "-" + isbnPre2Field + "-" + isbnPre3Field + "-" + isbnPre4Field + "-" + isbnPre5Field;
            }
        }

        private string isbnPre4Field;
        [Required]
        [DisplayName("出版序号")]
        [StringLength(6, MinimumLength = 2, ErrorMessage = "请输入2-6位出版序号")]
        [TotalLength(8, "ISBNPre3", ErrorMessage = "出版社代号和出版序号加起来应该有8位")]
        public string ISBNPre4
        {
            get
            {
                var isbnGroup = ISBN.Split('-');
                var subString = "";

                if (isbnGroup.Length >= 4 && isbnGroup[3].Length >= 2 && isbnGroup[3].Length <= 6)
                {
                    return isbnGroup[3];
                }
                if (isbnGroup.Length >= 4)
                {
                    subString = isbnGroup[3];
                }
                else
                {
                    var trimISBN = (ISBN ?? "").Trim().Replace("-", "");
                    var pre3Length = this.ISBNPre3.Length;
                    if (trimISBN.Length > (4 + pre3Length))
                    {
                        subString = trimISBN.Substring(4 + pre3Length);
                    }
                    else
                    {
                        subString = "";
                    }
                }

                return subString;
            }
            set
            {
                isbnPre4Field = value;
                ISBN = isbnPre1Field + "-" + isbnPre2Field + "-" + isbnPre3Field + "-" + isbnPre4Field + "-" + isbnPre5Field;
            }
        }

        private string isbnPre5Field;
        [Required]
        [DisplayName("校验位")]
        [StringLength(1, MinimumLength = 1, ErrorMessage = "请输入1位校验位")]
        public string ISBNPre5
        {
            get
            {
                var isbnGroup = ISBN.Split('-');

                if (isbnGroup.Length >= 5)
                {
                    return isbnGroup[4];
                }
                else
                {
                    return "";
                }
            }
            set
            {
                isbnPre5Field = value;
                ISBN = isbnPre1Field + "-" + isbnPre2Field + "-" + isbnPre3Field + "-" + isbnPre4Field + "-" + isbnPre5Field;
            }
        }

        /// <summary>
        ///教材类型
        /// </summary>
        [DisplayName("教材类型")]
        [Required]
        public int? TeachingMaterialTypeID { get; set; }


        /// <summary>
        ///教材类型
        /// </summary>
        [DisplayName("教材类型")]
        public string TeachingMaterialTypeName
        {
            get
            {
                return IdNameExt.GetDictionaryItem(DictionaryItem.CF_TeachingMaterialType.ToString())
                    .Where(x => x.Value == TeachingMaterialTypeID)
                    .Select(x => x.Name).FirstOrDefault();
            }
        }

        /// <summary>
        /// 获奖级别
        /// </summary>
        [DisplayName("获奖级别")]

        public int? WnningLevel { get; set; }


        /// <summary>
        /// 获奖级别
        /// </summary>
        [DisplayName("获奖级别")]
        public string WnningLevelName { get; set; }

        /// <summary>
        /// 版本时间
        /// </summary>
        [DisplayName("版本时间")]
        //[Required]
        public string PublishTime { get; set; }


        /// <summary>
        /// 出版单位ID
        /// </summary>
        [DisplayName("出版单位ID")]
        [Required]
        public Guid? PublishID { get; set; }


        /// <summary>
        /// 出版单位
        /// </summary>
        [DisplayName("出版单位")]
        [Required]
        public string PublishName { get; set; }

        /// <summary>
        /// 作者
        /// </summary>
        [DisplayName("作者")]
        [Required]
        public string Author { get; set; }

        /// <summary>
        /// 单价
        /// </summary>
        [DisplayName("单价")]
        [Required]
        [RegularExpression(@"^\d+(\.\d{1,2})?$", ErrorMessage = "必须填写有效的价格")]
        public decimal? Price { get; set; }


        /// <summary>
        /// 折合价
        /// </summary>
        [DisplayName("折合价")]
        public decimal? DiscountPrice { get; set; }

        /// <summary>
        /// 是否过期
        /// </summary>
        [DisplayName("是否过期")]
        [Required]
        public bool IsLate { get; set; }

        /// <summary>
        /// 是否过期
        /// </summary>
        public string IsLateName { get; set; }

        /// <summary>
        /// 备注
        /// </summary>
        [DisplayName("备注")]
        public string Desc { get; set; }

        /// <summary>
        /// 错误信息
        /// </summary>
        [DisplayName("错误信息")]
        public string ErrorMessage { get; set; }


        /// <summary>
        /// 创建时间
        /// </summary>
        [DisplayName("创建时间")]
        public DateTime? CreateTime { get; set; }

        /// <summary>
        /// 创建人
        /// </summary>
        [DisplayName("创建人")]
        public string CreateUserName { get; set; }

        /// <summary>
        /// 修改时间
        /// </summary>
        [DisplayName("修改时间")]
        public DateTime? ModifyTime { get; set; }

        /// <summary>
        /// 修改人
        /// </summary>
        [DisplayName("修改人")]
        public string ModifyUserName { get; set; }

        /// <summary>
        /// 征订数量(用于教师征订)
        /// </summary>
        [DisplayName("征订数量")]
        public int? OrderQty { get; set; }

        /// <summary>
        /// 课程级别(用于学生征订)
        /// </summary>
        [DisplayName("课程级别")]
        public string CourseLevelName { get; set; }

        /// <summary>
        /// 课程科类(用于学生征订)
        /// </summary>
        [DisplayName("课程科类")]
        public string CourseScienceName { get; set; }

        /// <summary>
        /// 折扣率
        /// </summary>
        [DisplayName("折扣率")]
        public decimal? Discount { get; set; }

        
        /// <summary>
        /// 最小库存量
        /// </summary>
        [DisplayName("最小库存量")]
        [Required]
        [RegularExpression(@"^[1-9]\d*$", ErrorMessage = "必须填写正整数")]
        public int? MinInventory { get; set; }

        /// <summary>
        /// 当前库存量
        /// </summary>
        [DisplayName("当前库存量")]
        public int? PresentInventory { get; set; }

        /// <summary>
        /// 总价
        /// </summary>
        [DisplayName("总价")]
        public decimal? ZongJia { get; set; }

        /// <summary>
        /// 码洋
        /// </summary>
        [DisplayName("码洋")]
        public decimal? MaYang { get; set; }

        private bool _isExcelVaildateOK = true;

        /// <summary>
        /// Excel验证是否通过，默认为true
        /// <para>true：通过；false：不通过</para>
        /// </summary>
        public bool IsExcelVaildateOK
        {
            get { return _isExcelVaildateOK; }
            set { _isExcelVaildateOK = value; }
        }

    }
}