using System;
using System.Collections.Generic;
using System.Text;

namespace Appointment.Entity.ValidateAttribute
{
    /// <summary>
    /// 整型数值值范围效验
    /// </summary>
    /// <remarks>
    /// Add:yuangb 2019-3-11
    /// 使用格式：实体属性前加[IntValue(minValue: 1000, maxValue: 999999, ErrorMessage = "验证码长度不正确")]
    /// </remarks>
    public class LongValueAttribute : ValidateAttribute
    {
        /// <summary>
        /// 报错提示
        /// </summary>
        public string ErrorMessage { get; set; }

        /// <summary>
        /// 最小值(包含)
        /// </summary>
        public long MinValue { get; private set; }

        /// <summary>
        /// 最大值(包含)
        /// </summary>
        public long MaxValue { get; private set; }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="minValue">最小值(包含)</param>
        /// <param name="maxValue">最大值(包含)</param>
        public LongValueAttribute(long minValue, long maxValue)
        {
            this.MinValue = minValue;
            this.MaxValue = maxValue;
        }

        public override string Validate(object oValue)
        {
            if (oValue != null)
            {
                long lValue = Convert.ToInt64(oValue);
                if (lValue < MinValue || lValue > MaxValue) return ErrorMessage;
            }
            return null;
        }
    }
}