using System;
using System.IO;
using System.Collections.Generic;
using Aurora.Api;

namespace VisionCommon {
    public class CsvPathManager {
        private static Logger _Logger = new Logger("CsvPathManager");
        private static readonly object _Lock = new object();

        public static CsvPathManager _Instance;
        public static CsvPathManager Instance {
            get {
                lock (_Lock) {
                    if (_Instance == null) {
                        _Instance = new CsvPathManager();
                    }
                    return _Instance;
                }
            }
        }

        private CsvPathManager() {
        }

        public static string GetRootDirPath() {
            try {
                var rootDirPath = Path.Combine(VisionSettingManager.VisionSetting.RootDirPath, "Csv");

                if (!Directory.Exists(rootDirPath)) {
                    Directory.CreateDirectory(rootDirPath);
                }

                return rootDirPath;
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
            return string.Empty;
        }

        public List<string> GetUnitDirNames(SubSysInfo subSysInfo) {
            try {
                var subDirNames = new List<string>();
                subDirNames.Add(VisionRecipeManager.GetUnitName(subSysInfo.UnitId));
                subDirNames.Add(DateTime.Now.ToString("yyMM"));
                return subDirNames;
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
            return null;
        }

        public List<string> GetSubDirNames(SubSysInfo subSysInfo) {
            try {
                var subDirNames = new List<string>();
                subDirNames.Add(VisionRecipeManager.GetUnitName(subSysInfo.UnitId));
                subDirNames.Add(subSysInfo.SubSysName);
                subDirNames.Add(DateTime.Now.ToString("yyMM"));
                return subDirNames;
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
            return null;
        }

        public List<string> GetSubDirNames(SubSysInfo subSysInfo, DateTime dateTime) {
            try {
                var subDirNames = new List<string>();
                subDirNames.Add(VisionRecipeManager.GetUnitName(subSysInfo.UnitId));
                subDirNames.Add(subSysInfo.SubSysName);
                subDirNames.Add(dateTime.ToString("yyMM"));
                return subDirNames;
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
            return null;
        }

        public string GetDirPath(List<string> subDirNames) {
            try {
                string dirPath = GetRootDirPath();
                foreach (string subDirName in subDirNames) {
                    dirPath = Path.Combine(dirPath, subDirName);
                }
                return dirPath;
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
            return string.Empty;
        }

        public string GetFileNameWithDateTime(string fileName) {
            try {
                string date = DateTime.Now.ToString("yyMMdd");
                string time = DateTime.Now.ToString("HHmmss");
                return date + "_" + time + "_" + fileName;
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
            return string.Empty;
        }

        public string GetFileNameWithDate(string fileName) {
            try {
                string date = DateTime.Now.ToString("yyMMdd");
                return date + "_" + fileName;
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
            return string.Empty;
        }

        public string GetFileNameWithDate(string fileName, DateTime dateTime) {
            try {
                string date = dateTime.ToString("yyMMdd");
                return date + "_" + fileName;
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
            return string.Empty;
        }
    }
}