//
// 這個檔案是 SignUp 資料表的資料存取類別 檔案二
// 您可以修改這個檔案，加入您自訂的屬性與方法
//
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.Common;
using System.Data.SqlClient;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using WebLib;

namespace 報到系統
{
    ///<summary>
    /// SignUp 資料存取類別
    ///</summary>
    public partial class DAC_SignUp : WebLib.DAC
    {
        #region 自動產生的資料存取方法
        ///<summary>
        /// InsertOne 之前會執行此方法
        /// 在這裡可以做一些檢查或是自動編號等動作
        /// 回傳 false 會打斷 InsertOne 的執行
        ///</summary>
        protected virtual bool BeforeInsertOne(SignUpItem value)
        {
            if (string.IsNullOrEmpty(value.SignUpType))
                value.SignUpType = "現場";

            // 生成 QRCode
            value.QRCode = GenQRCodeText(value);
            
            // 自動生成序號 - 如果 SeqNo 為 0 或未設定，則自動生成
            if (value.SeqNo <= 0)
            {
                // 查詢該活動的最大序號
                SignUpList existingList = this.Select(
                    noInputReturnAll: true,
                    CourseID: value.CourseID,
                    SeqNo: null,
                    Name: null,
                    Mobile: null,
                    QRCode: null,
                    orderBy: "SeqNo DESC"
                );
                
                int maxSeqNo = 0;
                if (existingList != null && existingList.Count > 0)
                {
                    maxSeqNo = existingList[0].SeqNo;
                }
                
                value.SeqNo = maxSeqNo + 1;  // 設定新序號
            }
            
            return true;
        }

        ///<summary>
        /// InsertOne 之後會執行此方法
        ///</summary>
        protected virtual void AfterInsertOne(SignUpItem value)
        {
        }

        ///<summary>
        /// InsertOne 發生錯誤時會執行此方法
        ///</summary>
        ///<param name="handled">錯誤是否已經處理妥當</param>
        protected virtual void OnInsertOneError(Exception error, out bool handled)
        {
            handled = false;
        }
        ///<summary>
        /// UpdateOne 之前會執行此方法
        /// 在這裡可以做一些檢查
        /// 回傳 false 會打斷 UpdateOne 的執行
        ///</summary>
        protected virtual bool BeforeUpdateOne(SignUpItem value)
        {
            if (string.IsNullOrEmpty(value.SignUpType))
                value.SignUpType = "現場";

            // 補上 QRCode
            if (string.IsNullOrEmpty(value.QRCode))
            {
                value.QRCode = GenQRCodeText(value);
            }
            return true;
        }

        ///<summary>
        /// UpdateOne 之前會執行此方法
        /// 在這裡可以做一些檢查
        /// 回傳 false 會打斷 UpdateOne 的執行
        ///</summary>
        protected virtual bool BeforeUpdateOne(SignUpItem value, SignUpItem original_value)
        {
            return true;
        }

        ///<summary>
        /// UpdateOne 之後會執行此方法
        ///</summary>
        protected virtual void AfterUpdateOne(SignUpItem value)
        {
        }

        ///<summary>
        /// UpdateOne 之後會執行此方法
        ///</summary>
        protected virtual void AfterUpdateOne(SignUpItem value, SignUpItem original_value)
        {
        }

        ///<summary>
        /// UpdateOne 發生錯誤時會執行此方法
        ///</summary>
        ///<param name="handled">錯誤是否已經處理妥當</param>
        protected virtual void OnUpdateOneError(Exception error, out bool handled)
        {
            handled = false;
        }
        ///<summary>
        /// DeleteOne 之前會執行此方法
        /// 在這裡可以做一些檢查
        /// 回傳 false 會打斷 DeleteOne 的執行
        ///</summary>
        protected virtual bool BeforeDeleteOne(SignUpItem value)
        {
            return true;
        }

        ///<summary>
        /// DeleteOne 之後會執行此方法
        ///</summary>
        protected virtual void AfterDeleteOne(SignUpItem value)
        {
        }

        ///<summary>
        /// DeleteOne 之前會執行此方法
        /// 在這裡可以做一些檢查
        /// 回傳 false 會打斷 DeleteOne 的執行
        ///</summary>
        protected virtual bool BeforeDeleteOne(int ID, int DB_APPNO)
        {
            return true;
        }

        ///<summary>
        /// DeleteOne 之後會執行此方法
        ///</summary>
        protected virtual void AfterDeleteOne(int ID, int DB_APPNO)
        {
        }

        ///<summary>
        /// DeleteOne 發生錯誤時會執行此方法
        ///</summary>
        ///<param name="handled">錯誤是否已經處理妥當</param>
        protected virtual void OnDeleteOneError(Exception error, out bool handled)
        {
            handled = false;
        }
        #endregion

        /// <summary>
        /// 生成 QRCode 雜湊值 - 基於 CourseID、Name、Mobile 的 MD5 雜湊
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        public static string GenQRCodeText(SignUpItem value)
        {
            // 生成 QRCode 雜湊值 - 基於 CourseID、Name、Mobile 的 MD5 雜湊
            if (value != null && string.IsNullOrEmpty(value.QRCode))
            {
                string input = value.CourseID.ToString() + "|" + (value.Name ?? "").Trim() + "|" + (value.Mobile ?? "").Trim();
                using (MD5 md5 = MD5.Create())
                {
                    byte[] inputBytes = System.Text.Encoding.UTF8.GetBytes(input);
                    byte[] hashBytes = md5.ComputeHash(inputBytes);                    
                    return System.Convert.ToBase64String(hashBytes);
                }
            }
            return string.Empty;
        }

        /// <summary>
        /// 按 QRCode 查詢單筆記錄
        /// </summary>
        public SignUpList SelectByQRCode(string qrCode)
        {
            SignUpList result = new SignUpList();
            IDataList list = result as IDataList;
            DbCommand cmdSelect = NewCommand();
            cmdSelect.CommandText = string.Format("select {0} from [SignUp] where 1=1 and QRCode = @QRCode", _allFields);
            AddParam(cmdSelect, "QRCode", qrCode);
            Select(cmdSelect, ref list);
            return result;
        }

        /// <summary>
        /// 按 CourseID、Name、Mobile 查詢單筆記錄
        /// </summary>
        public SignUpList SelectByCourseNameMobile(int courseID, string name, string mobile)
        {
            SignUpList result = new SignUpList();
            IDataList list = result as IDataList;
            DbCommand cmdSelect = NewCommand();
            cmdSelect.CommandText = string.Format("select {0} from [SignUp] where 1=1 and CourseID = @CourseID and Name = @Name and Mobile = @Mobile", _allFields);
            AddParam(cmdSelect, "CourseID", courseID);
            AddParam(cmdSelect, "Name", name);
            AddParam(cmdSelect, "Mobile", mobile);
            Select(cmdSelect, ref list);
            return result;
        }

        /// <summary>
        /// 依照 courseId 刪除參加人員
        /// </summary>
        /// <param name="courseId"></param>
        /// <returns></returns>
        public int DeleteByCourseID(int courseId)
        {
            DbCommand cmdDelete = NewCommand(string.Format("delete from {0} where CourseID=@CourseID", _tableName));
            AddParam(cmdDelete, "CourseID", courseId);
            return ExecuteNonQuery(cmdDelete);        
        }

        /// <summary>
        /// 進階搜尋參加人員（包含序號、身分別、身分證字號、餐點、電子郵件等條件）
        /// </summary>
        public SignUpList SelectPageAdvanced(
            bool noInputReturnAll,
            int startRowIndex,
            int maximumRows,
            int? CourseID,
            int? SeqNo,
            string Name,
            string Mobile,
            string IDType,
            string IDNumber,
            bool IDNumberEmpty,
            string MealType,
            string Email,
            bool EmailEmpty,
            string orderBy)
        {
            SignUpList result = new SignUpList();
            IDataList list = result as IDataList;

            StringBuilder sqlWhere = new StringBuilder();
            DbCommand cmd = NewCommand();

            if (!noInputReturnAll)
            {
                sqlWhere.Append(" where 1=1");

                if (CourseID.HasValue && CourseID.Value > 0)
                {
                    sqlWhere.Append(" and [CourseID] = @CourseID");
                    AddParam(cmd, "CourseID", CourseID.Value);
                }

                if (SeqNo.HasValue && SeqNo.Value > 0)
                {
                    sqlWhere.Append(" and [SeqNo] = @SeqNo");
                    AddParam(cmd, "SeqNo", SeqNo.Value);
                }

                if (!string.IsNullOrEmpty(Name))
                {
                    sqlWhere.Append(" and [Name] like @Name");
                    AddParam(cmd, "Name", "%" + Name + "%");
                }

                if (!string.IsNullOrEmpty(Mobile))
                {
                    sqlWhere.Append(" and [Mobile] like @Mobile");
                    AddParam(cmd, "Mobile", "%" + Mobile + "%");
                }

                // 身分別過濾
                if (!string.IsNullOrEmpty(IDType))
                {
                    if (IDType == "___EMPTY___")
                    {
                        // 查詢身分別為空的記錄
                        sqlWhere.Append(" and ([IDType] is null or [IDType] = '')");
                    }
                    else
                    {
                        // 查詢特定身分別
                        sqlWhere.Append(" and [IDType] = @IDType");
                        AddParam(cmd, "IDType", IDType);
                    }
                }

                // 身分證字號過濾
                if (IDNumberEmpty)
                {
                    // 查詢未輸入的記錄
                    sqlWhere.Append(" and ([IDNumber] is null or [IDNumber] = '')");
                }
                else if (!string.IsNullOrEmpty(IDNumber))
                {
                    // 查詢特定的身分證字號
                    sqlWhere.Append(" and [IDNumber] = @IDNumber");
                    AddParam(cmd, "IDNumber", IDNumber);
                }

                // 餐點過濾
                if (!string.IsNullOrEmpty(MealType))
                {
                    if (MealType == "___EMPTY___")
                    {
                        // 查詢餐點為空的記錄
                        sqlWhere.Append(" and ([MealType] is null or [MealType] = '')");
                    }
                    else
                    {
                        // 查詢特定餐點
                        sqlWhere.Append(" and [MealType] = @MealType");
                        AddParam(cmd, "MealType", MealType);
                    }
                }

                // 電子郵件過濾
                if (EmailEmpty)
                {
                    // 查詢未輸入的記錄
                    sqlWhere.Append(" and ([Email] is null or [Email] = '')");
                }
                else if (!string.IsNullOrEmpty(Email))
                {
                    // 查詢特定的電子郵件
                    sqlWhere.Append(" and [Email] like @Email");
                    AddParam(cmd, "Email", "%" + Email + "%");
                }
            }

            string sqlCmd = string.Format("select {0} from {1} {2} {3} offset {4} rows fetch next {5} rows only",
                _allFields,
                _tableName,
                sqlWhere.ToString(),
                !string.IsNullOrEmpty(orderBy) ? "order by " + orderBy : "",
                startRowIndex,
                maximumRows);

            cmd.CommandText = sqlCmd;
            Select(cmd, ref list);

            return result;
        }

        /// <summary>
        /// 計算進階搜尋的結果筆數
        /// </summary>
        public int SelectCountAdvanced(
            bool noInputReturnAll,
            int? CourseID,
            int? SeqNo,
            string Name,
            string Mobile,
            string IDType,
            string IDNumber,
            bool IDNumberEmpty,
            string MealType,
            string Email,
            bool EmailEmpty)
        {
            StringBuilder sqlWhere = new StringBuilder();
            DbCommand cmd = NewCommand();

            if (!noInputReturnAll)
            {
                sqlWhere.Append(" where 1=1");

                if (CourseID.HasValue && CourseID.Value > 0)
                {
                    sqlWhere.Append(" and [CourseID] = @CourseID");
                    AddParam(cmd, "CourseID", CourseID.Value);
                }

                if (SeqNo.HasValue && SeqNo.Value > 0)
                {
                    sqlWhere.Append(" and [SeqNo] = @SeqNo");
                    AddParam(cmd, "SeqNo", SeqNo.Value);
                }

                if (!string.IsNullOrEmpty(Name))
                {
                    sqlWhere.Append(" and [Name] like @Name");
                    AddParam(cmd, "Name", "%" + Name + "%");
                }

                if (!string.IsNullOrEmpty(Mobile))
                {
                    sqlWhere.Append(" and [Mobile] like @Mobile");
                    AddParam(cmd, "Mobile", "%" + Mobile + "%");
                }

                // 身分別過濾
                if (!string.IsNullOrEmpty(IDType))
                {
                    if (IDType == "___EMPTY___")
                    {
                        // 查詢身分別為空的記錄
                        sqlWhere.Append(" and ([IDType] is null or [IDType] = '')");
                    }
                    else
                    {
                        // 查詢特定身分別
                        sqlWhere.Append(" and [IDType] = @IDType");
                        AddParam(cmd, "IDType", IDType);
                    }
                }

                // 身分證字號過濾
                if (IDNumberEmpty)
                {
                    // 查詢未輸入的記錄
                    sqlWhere.Append(" and ([IDNumber] is null or [IDNumber] = '')");
                }
                else if (!string.IsNullOrEmpty(IDNumber))
                {
                    // 查詢特定的身分證字號
                    sqlWhere.Append(" and [IDNumber] = @IDNumber");
                    AddParam(cmd, "IDNumber", IDNumber);
                }

                // 餐點過濾
                if (!string.IsNullOrEmpty(MealType))
                {
                    if (MealType == "___EMPTY___")
                    {
                        // 查詢餐點為空的記錄
                        sqlWhere.Append(" and ([MealType] is null or [MealType] = '')");
                    }
                    else
                    {
                        // 查詢特定餐點
                        sqlWhere.Append(" and [MealType] = @MealType");
                        AddParam(cmd, "MealType", MealType);
                    }
                }

                // 電子郵件過濾
                if (EmailEmpty)
                {
                    // 查詢未輸入的記錄
                    sqlWhere.Append(" and ([Email] is null or [Email] = '')");
                }
                else if (!string.IsNullOrEmpty(Email))
                {
                    // 查詢特定的電子郵件
                    sqlWhere.Append(" and [Email] like @Email");
                    AddParam(cmd, "Email", "%" + Email + "%");
                }
            }

            string sqlCmd = string.Format("select count(*) from {0} {1}", _tableName, sqlWhere.ToString());
            cmd.CommandText = sqlCmd;

            ExecuteScalar(cmd, out int result);
            return result;
        }

        // 有另外加上去的屬性及方法，請加在這裡
    }

    ///<summary>
    ///SignUp 資料集合類別
    ///</summary>
    public partial class SignUpList : List<SignUpItem>
    {
        // 有另外加上去的屬性及方法，請加在這裡
    }

    ///<summary>
    ///SignUp 資料紀錄類別
    ///</summary>
    public partial class SignUpItem
    {
        // 有另外加上去的屬性及方法，請加在這裡

        /// <summary>
        /// 簡訊發送狀況
        /// </summary>
        public string MessageSending { get; set; }

        /// <summary>
        /// 出席：有簽到時間
        /// </summary>
        public bool IsPresent { get { return !string.IsNullOrEmpty(CheckInTime); } }

        /// <summary>
        /// 異常：沒有簽到時間只有簽退時間
        /// </summary>
        public bool IsException { get { return string.IsNullOrEmpty(CheckInTime) && !string.IsNullOrEmpty(CheckOutTime); } }

        /// <summary>
        /// 現場報名
        /// </summary>
        public bool IsOnSite { get { return string.Compare(SignUpType, "現場") == 0; } }
    }
}