using SqlSugar;
using Tiobon.Core.Common.UserManager;

namespace Tiobon.Core.Common
{
    /// <summary>
    /// Sql插入类
    /// </summary>
    public class DbInsert
    {
        #region 变量定义
        private string sql;
        private string createProgram;
        private long rowId;
        /// <summary>
        /// 如果使用线程，此处可以指定插入用户代码，否则CREATED_BY为空
        /// </summary>
        public string CreatedBy { get; set; }
        public long RowId
        {
            get { return rowId; }
            set { rowId = value; }
        }
        private bool isInitDefaultValue = true;
        /// <summary>
        /// 是否初始化默认字段，像：ROW_ID，CREATED_BY，CREATED_DATE，CREATED_PROGRAM，TAG，ACTIVE_FLAG等，默认会初始化
        /// </summary>
        public bool IsInitDefaultValue
        {
            get
            {
                return isInitDefaultValue;
            }
            set
            {
                isInitDefaultValue = value;
            }
        }
        private bool isInitRowId = true;
        /// <summary>
        /// 是否初始化ROW_ID字段(默认初始化),只有IsInitDefaultValue为true时才有效!
        /// </summary>
        public bool IsInitRowId
        {
            get
            {
                return isInitRowId;
            }
            set
            {
                isInitRowId = value;
            }
        }
        #endregion

        #region 构造函数
        public DbInsert()
        {
        }

        public DbInsert(string tableName)
        {
            SetTableName(tableName.ToUpper());
        }

        public DbInsert(string tableName, string createProgram)
        {
            SetTableName(tableName.ToUpper());
            this.createProgram = createProgram;
        }

        public void SetTableName(string tableName)
        {
            sql = "INSERT INTO {0} () VALUES ()";
            sql = string.Format(sql, tableName.ToUpper());
        }
        #endregion

        #region Values
        public void Values(string fieldName, long value)
        {
            string s = "N'{0}'";
            s = string.Format(s, value);

            FormatValue(fieldName.ToUpper(), s);
        }
        public void Values(string fieldName, string value)
        {
            string s = "N'{0}'";
            s = string.Format(s, value);

            FormatValue(fieldName.ToUpper(), s);
        }
        public void Values(string fieldName, Guid value)
        {
            string value1 = value.ToString();
            if (string.IsNullOrEmpty(value1)) return;
            value1 = value1.Replace("'", "''");
            value1 = value1.Trim();
            string s = "N'{0}'";
            s = string.Format(s, value1);

            FormatValue(fieldName.ToUpper(), s);
        }

        public void Values(string fieldName, Guid? value)
        {
            string value1 = value.ToString();
            if (string.IsNullOrEmpty(value1)) return;
            value1 = value1.Replace("'", "''");
            value1 = value1.Trim();
            string s = "N'{0}'";
            s = string.Format(s, value1);

            FormatValue(fieldName.ToUpper(), s);
        }

        public void Values(string fieldName, int value)
        {
            FormatValue(fieldName.ToUpper(), Convert.ToString(value));
        }

        public void Values(string fieldName, double value)
        {
            FormatValue(fieldName.ToUpper(), Convert.ToString(value));
        }

        public void Values(string fieldName, decimal value)
        {
            FormatValue(fieldName.ToUpper(), Convert.ToString(value));
        }

        public void Values(string fieldName, decimal? value)
        {
            FormatValue(fieldName.ToUpper(), Convert.ToString(value));
        }

        public void Values(string fieldName, DateTime value)
        {
            if (value == DateTime.MinValue) return;
            string valTemp = string.Empty;
            valTemp = Convert.ToString(value);
            //valTemp = valTemp.Replace("'", "''");
            string s = string.Empty;
            s = "CAST('{0}' AS DATETIME)";
            s = string.Format(s, valTemp);

            FormatValue(fieldName.ToUpper(), s);
        }
        public void Values(string fieldName, DateTime? value)
        {
            if (value == null) return;
            string valTemp = string.Empty;
            valTemp = Convert.ToString(value);
            //valTemp = valTemp.Replace("'", "''");
            string s = string.Empty;
            s = "CAST('{0}' AS DATETIME)";
            s = string.Format(s, valTemp);

            FormatValue(fieldName.ToUpper(), s);
        }
        #endregion

        #region 加密插入
        /// <summary>
        /// 以加密方式插入
        /// </summary>
        /// <param name="fieldName"></param>
        /// <param name="value"></param>
        public void ValuesAsSecurity(string fieldName, string value)
        {
            if (string.IsNullOrEmpty(value)) return;
            value = value.Replace("'", "''");
            string s = "encryptbykey(key_guid('fookey'),N'{0}')";
            s = string.Format(s, value);

            FormatValue(fieldName.ToUpper(), s);
        }
        /// <summary>
        /// 加密保存
        /// </summary>
        /// <param name="fieldName"></param>
        /// <param name="value"></param>
        public void ValuesAsSecurity(string fieldName, int value)
        {
            ValuesAsSecurity(fieldName.ToUpper(), Convert.ToString(value));
        }
        /// <summary>
        /// 加密保存
        /// </summary>
        /// <param name="fieldName"></param>
        /// <param name="value"></param>
        public void ValuesAsSecurity(string fieldName, double value)
        {
            ValuesAsSecurity(fieldName.ToUpper(), Convert.ToString(value));
        }
        /// <summary>
        /// 加密保存
        /// </summary>
        /// <param name="fieldName"></param>
        /// <param name="value"></param>
        public void ValuesAsSecurity(string fieldName, decimal value)
        {
            ValuesAsSecurity(fieldName.ToUpper(), Convert.ToString(value));
        }
        #endregion

        #region Public Method
        public string GetSql()
        {
            if (isInitRowId == true)
            {
                rowId = SnowFlakeSingle.Instance.NextId();
                Values("ID", rowId);
            }
            if (isInitDefaultValue == true)
                InitDefaultValues();

            return sql;
        }
        #endregion

        #region Private Method
        private void FormatValue(string fieldName, string value)
        {
            if (value != null)
            {
                value = value.Trim();
            }
            //if (DBHelper.MySql)
            //{
            //    fieldName = fieldName.Replace("[", "`");
            //    fieldName = fieldName.Replace("]", "`");
            //}
            sql = sql.Replace("{", "{{");
            sql = sql.Replace("}", "}}");
            int n = sql.IndexOf("() VALUES");

            if (n == -1)
            {
                n = sql.IndexOf(") VALUES");
                sql = sql.Insert(n, ", {0} ");
                n = sql.LastIndexOf(")");
                sql = sql.Insert(n, ", {1}");
            }
            else
            {
                sql = sql.Insert(++n, " {0} ");
                n = sql.LastIndexOf(")");
                sql = sql.Insert(n, " {1}");
            }
            sql = string.Format(sql, fieldName.ToUpper(), value);
        }

        /// <summary>
        /// 初始化Insert语句默认需要插入的值
        /// </summary>
        private void InitDefaultValues()
        {
            //DatabaseType dbType = DbAccess.GetDatabaseType();
            //row_id
            //if (DbAccess.IsOracle())
            //{
            //    rowId = DbAccess.ExecuteScalar("SELECT F_GET_SYSID FROM DUAL") as string;
            //}
            //else
            //{
            //    rowId = DbAccess.ExecuteScalar("SELECT REPLACE(REPLACE(REPLACE(CONVERT(VARCHAR, GETDATE(), 120 ),'-',''),' ',''),':','')") as string;
            //}

            //create_by
            var createBy = UserContext.Current.User_Id;
            Values("CreateBy", createBy);

            //create_date
            DateTime createDate = DateTime.Now;
            Values("CreateTime", createDate);

            //create_program
            //Values("CREATED_PROGRAM", createProgram);
            //tag
            //Values("Tag", 1);
            //active_flag
            //Values("DELETE_FLAG", "N");
        }
        #endregion
    }
}