#region

using System;
using System.Data;
using CSFrameworkV5.Common;
using DevExpress.XtraEditors;

#endregion

namespace CSFrameworkV5.Library.CommonClass
{
    /// <summary>
    ///     输入框检查类
    /// </summary>
    public class Assertion
    {
        /// <summary>
        ///     检查Bool值
        /// </summary>
        /// <param name="value">当前的值</param>
        /// <param name="equalValue">需要检查相等的值</param>
        /// <param name="message">若相值不相等，抛出异常</param>
        public static void AssertBool(bool value, bool equalValue,
            string message)
        {
            if (value != equalValue) throw new CustomException(message);
        }

        /// <summary>
        ///     检查文本框是否为空
        /// </summary>
        /// <param name="editor">文本框</param>
        /// <param name="message">当为空，抛出的消息</param>
        /// <param name="focus">当为空，文本框设焦点</param>
        public static void AssertEditorEmpty(BaseEdit editor, string message,
            bool focus)
        {
            if (editor.Text.Trim() == "")
            {
                if (focus) editor.Focus();

                throw new CustomException(message);
            }
        }

        /// <summary>
        ///     检查文本框输入的内容为数字
        /// </summary>
        /// <param name="editor">文本框</param>
        /// <param name="message">不是数字，抛出的消息</param>
        /// <param name="focus">文本框设焦点</param>
        public static void AssertEditorNumber(BaseEdit editor, string message,
            bool focus)
        {
            AssertEditorEmpty(editor, message, focus);
            decimal d = 0;
            if (!decimal.TryParse(editor.Text, out d))
            {
                if (focus) editor.Focus();

                throw new CustomException(message);
            }
        }

        /// <summary>
        ///     检查对象对等
        /// </summary>
        /// <param name="objA">对象A</param>
        /// <param name="objB">对象B</param>
        /// <param name="errMsg">如果不相等提示信息</param>
        public static void AssertEqual(object objA, object objB, string errMsg)
        {
            if (objA != null && objB != null)
                if (!objA.Equals(objB))
                    throw new Exception(errMsg);
        }

        /// <summary>
        ///     检查对象是否为空
        /// </summary>
        /// <param name="obj">要检测的对象</param>
        /// <param name="errMsg">如果为空提示信息</param>
        public static void AssertNull(object obj, string errMsg)
        {
            if (null == obj) throw new Exception(errMsg);
        }

        /// <summary>
        ///     检查对象是否为null
        /// </summary>
        /// <param name="o">对象</param>
        /// <param name="message">当为空，抛出的消息</param>
        public static void AssertObjectIsNull(object o, string message)
        {
            if (o == null) throw new CustomException(message);
        }

        /// <summary>
        ///     检查数据集是否有数据
        /// </summary>
        /// <param name="data"></param>
        public static void AssertRowNull(DataSet data)
        {
            var ret = data == null || data.Tables.Count == 0 ||
                      data.Tables[0].Rows.Count <= 0;
            if (ret) throw new Exception("该数据集没有数据!");
        }

        /// <summary>
        ///     检查数据集是否有数据
        /// </summary>
        /// <param name="data"></param>
        public static void AssertTableEmpty(DataSet ds)
        {
            if (ds == null || ds.Tables.Count <= 0 ||
                ds.Tables[0].Rows.Count <= 0) throw new Exception("该数据集没有数据!");
        }

        /// <summary>
        ///     若value参数是零，抛出异常
        /// </summary>
        /// <param name="value"></param>
        /// <param name="message"></param>
        public static void AssertZero(int value, string message)
        {
            if (value == 0) throw new CustomException(message);
        }
    }
}