using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace parkMonitor.LOG
{
    /// <summary>
    /// 凭证
    /// </summary>
    public class Credence
    {
        private static List<string> digitCredence = new List<string>();
        /// <summary>
        /// 获取一个凭证
        /// </summary>
        /// <param name="terminalFlag">终端机标识</param>
        /// <param name="num">随机码位数</param>
        /// <returns></returns>
        public static string GetOneCredence()
        {
            string context = "";
            //digitCredence = CredentialsGenerator.GetCredential(terminalFlag,num);
            if (digitCredence.Count != 0)
            {
                context = digitCredence[0];
                digitCredence.RemoveAt(0);
            }
            return context;
        }
        /// <summary>
        /// 读取所有凭证
        /// </summary>
        /// <returns></returns>
        public static bool ReadCredence()
        {
            digitCredence.Clear();
            //string date = System.DateTime.Now.ToString("yyyy-MM-dd");
            //string filePath = logAddress + "\\\\" + date + "\\\\" + "CREDENCES.log";
            string filePath = LogManager.logAddress + "\\\\" + "CREDENCES.log";
            try
            {
                List<string> logLines = null;
                if (File.Exists(filePath))
                {
                    logLines = new List<string>(File.ReadAllLines(filePath));
                    File.Delete(filePath);
                }
                if (logLines != null)
                {
                    for (int i = 0; i < 300; i++)
                    {
                        string logLine = logLines[i];
                        digitCredence.Add(logLine);
                        logLines.RemoveAt(i);
                    }
                    File.WriteAllLines(filePath, logLines.ToArray());
                }
            }
            catch (Exception e) { Console.WriteLine(e.Message); Log.WriteLog(LogType.process, LogFile.ERROR, "凭证获取失败");return false; }
            return true;
        }
    }
}