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

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

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

        private ImagePathManager() {
        }

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

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

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

        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("yyMMdd"));
                return subDirNames;
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
            return null;
        }

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

        public List<string> GetSubDirNames(FovInfo fovInfo, MaterialInfo materialInfo) {
            try {
                var subDirNames = GetMaterialInfoDirNames(materialInfo);
                subDirNames.Add(VisionRecipeManager.GetUnitName(fovInfo.UnitId));
                subDirNames.Add(fovInfo.SubSysName);
                subDirNames.Add(DateTime.Now.ToString("yyMMdd"));
                return subDirNames;
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
            return null;
        }

        private List<string> GetMaterialInfoDirNames(MaterialInfo materialInfo) {
            var subDirNames = new List<string>();

            if (materialInfo != null) {
                if (VisionSettingManager.VisionSetting.UseLotId) {
                    if (materialInfo.LotId != null && materialInfo.LotId != string.Empty) {
                        subDirNames.Add("LID_" + materialInfo.LotId);
                    }
                    else {
                        subDirNames.Add("LID_EMPTY");
                    }
                }
                if (VisionSettingManager.VisionSetting.UseCarrierId) {
                    if (materialInfo.CarrierId != null && materialInfo.CarrierId != string.Empty) {
                        subDirNames.Add("CID_" + materialInfo.CarrierId);
                    }
                    else {
                        subDirNames.Add("CID_EMPTY");
                    }
                }
            }

            return subDirNames;
        }

        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 GetFileNameWithDataTime(string fileName, eImageFormat imgFormat = eImageFormat.PNG, string timeStamp = null) {
            try {
                string date = DateTime.Now.ToString("yyMMdd");
                string time = (timeStamp != null)? ConvertTimeStampFormat(timeStamp) : DateTime.Now.ToString("HHmmss.ff");
                return date + "_" + time + "_" + fileName + "." + imgFormat.ToString().ToLower();
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
            return string.Empty;
        }

        public string ConvertTimeStampFormat(string timeStamp) {
            var convertedTimeStamp = (string)timeStamp.Clone();             // 원본 포맷 >> "17:21:35:64"
            convertedTimeStamp = convertedTimeStamp.Replace(":", "");       // ":" 제거 >> "17213564"
            convertedTimeStamp = convertedTimeStamp.Insert(convertedTimeStamp.Length - 2, ".");     // 마지막 두자리수 앞에 "." 삽입 >> "172135.64"

            return convertedTimeStamp;
        }

        public string GetFileNameWithMaterialInfo(string subSysName, string fovName, string status, MaterialInfo materialInfo) {
            string fileName = subSysName + "_" + fovName + "_" + status;

            if (materialInfo != null) {
                if (VisionSettingManager.VisionSetting.UseMaterialId) {
                    if (materialInfo.MaterialId != null && materialInfo.MaterialId != string.Empty) {
                        fileName = "MID_" + materialInfo.MaterialId + "_" + subSysName + "_" + fovName + "_" + status;
                    }
                    else {
                        fileName = "MID_EMPTY" + "_" + subSysName + "_" + fovName + "_" + status;
                    }
                }
            }

            return fileName;
        }
    }
}