using System;
using System.Linq;
using Newtonsoft.Json;
using FCOMMON;

namespace Project.Web
{
    public partial class MachineBridge
    {
        #region User API

        /// <summary>
        /// 현재 로그인한 사용자 정보 조회
        /// </summary>
        public string GetCurrentUserInfo()
        {
            try
            {
                if (string.IsNullOrEmpty(info.Login.no))
                {
                    return JsonConvert.SerializeObject(new { Success = false, Message = "로그인이 필요합니다." });
                }

                var taUser = new dsMSSQLTableAdapters.UsersTableAdapter();
                var taGUser = new dsMSSQLTableAdapters.EETGW_GroupUserTableAdapter();

                var drUser = taUser.GetID(info.Login.no).FirstOrDefault();
                var drGUser = taGUser.GetbyID(info.Login.gcode, info.Login.no).FirstOrDefault();

                if (drUser == null)
                {
                    return JsonConvert.SerializeObject(new { Success = false, Message = "사용자 정보를 찾을 수 없습니다." });
                }

                var userInfo = new
                {
                    Id = drUser.id,
                    NameK = drUser.name,
                    NameE = drUser.nameE,
                    Dept = drUser.dept,
                    Grade = drUser.grade,
                    Email = drUser.email,
                    Tel = drUser.tel,
                    Hp = drUser.hp,
                    DateIn = drUser.indate,
                    DateO = drUser.outdate,
                    Memo = drUser.memo,
                    Process = drGUser?.Process ?? "",
                    State = drGUser?.state ?? "",
                    UseJobReport = drGUser != null && !drGUser.IsuseJobReportNull() && drGUser.useJobReport,
                    UseUserState = drGUser != null && !drGUser.IsuseUserStateNull() && drGUser.useUserState,
                    ExceptHoly = drGUser != null && !drGUser.IsexceptHolyNull() && drGUser.exceptHoly,
                    Level = drGUser?.level ?? 0
                };

                return JsonConvert.SerializeObject(new { Success = true, Data = userInfo });
            }
            catch (Exception ex)
            {
                return JsonConvert.SerializeObject(new { Success = false, Message = "사용자 정보 조회 실패: " + ex.Message });
            }
        }

        /// <summary>
        /// 사용자 정보 조회 (ID로)
        /// </summary>
        public string GetUserInfoById(string userId)
        {
            try
            {
                if (string.IsNullOrEmpty(userId))
                {
                    return JsonConvert.SerializeObject(new { Success = false, Message = "사용자 ID를 입력하세요." });
                }

                var taUser = new dsMSSQLTableAdapters.UsersTableAdapter();
                var taGUser = new dsMSSQLTableAdapters.EETGW_GroupUserTableAdapter();

                var drUser = taUser.GetID(userId).FirstOrDefault();
                var drGUser = taGUser.GetbyID(info.Login.gcode, userId).FirstOrDefault();

                if (drUser == null)
                {
                    return JsonConvert.SerializeObject(new { Success = false, Message = "등록된 사용자가 없습니다." });
                }

                var userInfo = new
                {
                    Id = drUser.id,
                    NameK = drUser.name,
                    NameE = drUser.nameE,
                    Dept = drUser.dept,
                    Grade = drUser.grade,
                    Email = drUser.email,
                    Tel = drUser.tel,
                    Hp = drUser.hp,
                    DateIn = drUser.indate,
                    DateO = drUser.outdate,
                    Memo = drUser.memo,
                    Process = drGUser?.Process ?? "",
                    State = drGUser?.state ?? "",
                    UseJobReport = drGUser != null && !drGUser.IsuseJobReportNull() && drGUser.useJobReport,
                    UseUserState = drGUser != null && !drGUser.IsuseUserStateNull() && drGUser.useUserState,
                    ExceptHoly = drGUser != null && !drGUser.IsexceptHolyNull() && drGUser.exceptHoly,
                    Level = drGUser?.level ?? 0
                };

                return JsonConvert.SerializeObject(new { Success = true, Data = userInfo });
            }
            catch (Exception ex)
            {
                return JsonConvert.SerializeObject(new { Success = false, Message = "사용자 정보 조회 실패: " + ex.Message });
            }
        }

        /// <summary>
        /// 사용자 정보 저장
        /// </summary>
        public string SaveUserInfo(string jsonData)
        {
            try
            {
                var userData = JsonConvert.DeserializeObject<UserInfoData>(jsonData);

                if (userData == null)
                {
                    return JsonConvert.SerializeObject(new { Success = false, Message = "잘못된 데이터 형식입니다." });
                }

                var gcode = info.Login.gcode;
                var uid = userData.Id;

                // 현재 사용자 권한 확인
                int curLevel = Math.Max(info.Login.level, DBM.getAuth(DBM.eAuthType.account));

                // 그룹 사용자 정보 처리
                var taUserGrp = new dsMSSQLTableAdapters.EETGW_GroupUserTableAdapter();
                var dtUserGrp = taUserGrp.GetData(gcode);
                var drGuser = dtUserGrp.Where(t => t.uid == uid).FirstOrDefault();

                if (drGuser != null)
                {
                    drGuser.Process = userData.Process ?? "";
                    drGuser.state = userData.State ?? "";

                    if (curLevel > 4)
                    {
                        drGuser.useJobReport = userData.UseJobReport;
                        drGuser.useUserState = userData.UseUserState;
                        drGuser.exceptHoly = userData.ExceptHoly;
                    }
                }
                else
                {
                    drGuser = dtUserGrp.NewEETGW_GroupUserRow();
                    drGuser.wuid = info.Login.no;
                    drGuser.wdate = DateTime.Now;
                    drGuser.gcode = gcode;
                    drGuser.level = 1;
                    drGuser.uid = uid;
                    drGuser.state = userData.State ?? "";
                    drGuser.Process = userData.Process ?? "";
                    drGuser.useJobReport = userData.UseJobReport;
                    drGuser.useUserState = userData.UseUserState;
                    drGuser.exceptHoly = userData.ExceptHoly;
                    dtUserGrp.AddEETGW_GroupUserRow(drGuser);
                }

                // 사용자 정보 처리
                var tauser = new dsMSSQLTableAdapters.UsersTableAdapter();
                var dtuser = tauser.GetID(uid);
                var drUser = dtuser.FirstOrDefault();

                if (drUser == null)
                {
                    drUser = dtuser.NewUsersRow();
                    drUser.wuid = info.Login.no;
                    drUser.wdate = DateTime.Now;
                    drUser.gcode = gcode;
                    drUser.level = 1;
                    drUser.id = uid;
                    drUser.password = "B6589FC6AB0DC82CF12099D1C2D40AB994E8410C"; // 기본값 0
                    dtuser.AddUsersRow(drUser);
                }

                drUser.name = userData.NameK ?? "";
                drUser.nameE = userData.NameE ?? "";
                drUser.dept = userData.Dept ?? "";
                drUser.email = userData.Email ?? "";
                drUser.tel = userData.Tel ?? "";
                drUser.hp = userData.Hp ?? "";
                drUser.indate = userData.DateIn ?? "";
                drUser.outdate = userData.DateO ?? "";
                drUser.memo = userData.Memo ?? "";
                drUser.processs = userData.Process ?? "";
                drUser.grade = userData.Grade ?? "";
                drUser.EndEdit();

                var cnt1 = taUserGrp.Update(dtUserGrp);
                var cnt2 = tauser.Update(dtuser);

                taUserGrp.Dispose();
                tauser.Dispose();

                return JsonConvert.SerializeObject(new { Success = true, Message = "저장되었습니다." });
            }
            catch (Exception ex)
            {
                return JsonConvert.SerializeObject(new { Success = false, Message = "저장 실패: " + ex.Message });
            }
        }

        /// <summary>
        /// 비밀번호 변경
        /// </summary>
        public string ChangePassword(string oldPassword, string newPassword)
        {
            try
            {
                if (string.IsNullOrEmpty(info.Login.no))
                {
                    return JsonConvert.SerializeObject(new { Success = false, Message = "로그인이 필요합니다." });
                }

                if (string.IsNullOrEmpty(newPassword))
                {
                    return JsonConvert.SerializeObject(new { Success = false, Message = "새 비밀번호를 입력하세요." });
                }

                var uid = info.Login.no;
                int curLevel = Math.Max(info.Login.level, DBM.getAuth(DBM.eAuthType.account));

                var taUser = new dsMSSQLTableAdapters.UsersTableAdapter();
                var dtUser = taUser.GetID(uid);
                var drUser = dtUser.FirstOrDefault();

                if (drUser == null)
                {
                    return JsonConvert.SerializeObject(new { Success = false, Message = "사용자 정보를 찾을 수 없습니다." });
                }

                // 관리자가 아니면 기존 암호 확인
                if (curLevel < 5)
                {
                    var encOldPass = Pub.MakePasswordEnc(oldPassword);
                    if (!encOldPass.Equals(drUser.password))
                    {
                        return JsonConvert.SerializeObject(new { Success = false, Message = "기존 암호가 일치하지 않습니다." });
                    }
                }

                drUser.password = Pub.MakePasswordEnc(newPassword);
                drUser.EndEdit();
                taUser.Update(dtUser);
                taUser.Dispose();

                return JsonConvert.SerializeObject(new { Success = true, Message = "비밀번호가 변경되었습니다." });
            }
            catch (Exception ex)
            {
                return JsonConvert.SerializeObject(new { Success = false, Message = "비밀번호 변경 실패: " + ex.Message });
            }
        }

        #endregion
    }

    /// <summary>
    /// 사용자 정보 데이터 클래스
    /// </summary>
    public class UserInfoData
    {
        public string Id { get; set; }
        public string NameK { get; set; }
        public string NameE { get; set; }
        public string Dept { get; set; }
        public string Grade { get; set; }
        public string Email { get; set; }
        public string Tel { get; set; }
        public string Hp { get; set; }
        public string DateIn { get; set; }
        public string DateO { get; set; }
        public string Memo { get; set; }
        public string Process { get; set; }
        public string State { get; set; }
        public bool UseJobReport { get; set; }
        public bool UseUserState { get; set; }
        public bool ExceptHoly { get; set; }
    }
}