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

namespace Mesnac.Equips
{
    /// <summary>
    /// 设备工具类
    /// </summary>
    public class EquipTools
    {
        #region 根据设备组范围获取设备组名称数组
        /// <summary>
        /// 根据设备组范围获取设备组名称数组
        /// </summary>
        /// <param name="ruleStr">设备组范围值</param>
        /// <returns>返回对应的设备组范围数组</returns>
        public static string[] GetNameIndexFromRange(string ruleStr)
        {
            List<string> lstNameIndex = new List<string>();
            if (CheckRuleColon(ruleStr))
            {
                string[] values = ruleStr.Split(new char[] { ':' });
                int maxLen = GetMaxStrLen(values);
                foreach (string value in values)
                {
                    int intValue = 0;
                    int.TryParse(value, out intValue);
                    lstNameIndex.Add(FillZero(intValue.ToString(), maxLen));
                }
            }
            else if (CheckRuleJoin(ruleStr))
            {
                string[] values = ruleStr.Split(new string[] { ".." }, StringSplitOptions.RemoveEmptyEntries);      //去掉空值
                int begin = 0;
                int end = 0;
                int.TryParse(values[0], out begin);
                int.TryParse(values[1], out end);
                int maxLen = end.ToString().Length;
                for (int i = begin; i <= end; i++)
                {
                    lstNameIndex.Add(FillZero(i.ToString(), maxLen));
                }
            }
            return lstNameIndex.ToArray<string>();
        }

        #endregion

        #region 设备组范围字符串格式验证方法

        /// <summary>
        /// 冒号分隔规则检测
        /// </summary>
        /// <param name="ruleStr">要检测的字符串</param>
        /// <returns>符合规则返回true，否则返回false</returns>
        public static bool CheckRuleColon(string ruleStr)
        {
            bool result = true;
            string[] values = ruleStr.Split(new char[] { ':' });
            if (values.Length > 0)
            {
                foreach (string value in values)
                {
                    if (!String.IsNullOrEmpty(value))
                    {
                        int intValue = 0;
                        if (!int.TryParse(value, out intValue))
                        {
                            result = false;
                            break;
                        }
                    }
                }
            }
            else
            {
                result = false;
            }
            return result;
        }

        /// <summary>
        /// 连接符分隔规则检测
        /// </summary>
        /// <param name="ruleStr">要检测的字符串</param>
        /// <returns>符合规则返回true，否则返回false</returns>
        public static bool CheckRuleJoin(string ruleStr)
        {
            bool result = true;
            string[] values = ruleStr.Split(new string[] { ".." }, StringSplitOptions.RemoveEmptyEntries);      //去掉空值
            if (values.Length == 2)
            {
                int intValue = 0;
                if (int.TryParse(values[0], out intValue))
                {
                    if (int.TryParse(values[1], out intValue))
                    {
                        result = true;
                    }
                    else
                    {
                        result = false;
                    }
                }
                else
                {
                    result = false;
                }
            }
            else
            {
                result = false;
            }
            return result;
        }

        #endregion

        #region "按字符串位数补0"
        /// <summary>
        /// 按字符串位数补0
        /// </summary>
        /// <param name="CharTxt">字符串</param>
        /// <param name="CharLen">字符长度</param>
        /// <returns></returns>
        public static string FillZero(string CharTxt, int CharLen)
        {
            if (CharTxt.Length < CharLen)
            {
                StringBuilder sb = new StringBuilder();
                for (int i = 0; i < CharLen - CharTxt.Length; i++)
                {
                    sb.Append("0");
                }
                sb.Append(CharTxt);
                return sb.ToString();
            }
            else
            {
                return CharTxt;
            }
        }

        #endregion

        #region 获取字符串数组中最长字符串的长度
        /// <summary>
        /// 获取字符串数组中最长字符串的长度
        /// </summary>
        /// <param name="strValues">字符串数组</param>
        /// <returns>返回字符串数组中最长字符串的长度</returns>
        public static int GetMaxStrLen(string[] strValues)
        {
            int maxLen = 0;
            if (strValues != null && strValues.Length > 0)
            {
                foreach (string value in strValues)
                {
                    if (value.Length > maxLen)
                    {
                        maxLen = value.Length;
                    }
                }
            }
            return maxLen;
        }

        #endregion
    }
}