using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data.Entity;
using Weee.DAL;
using Weee.Models.Paramemter;
using Weee.Models;
using System.Data.Entity.Core.Objects;
using Weee.ViewModels;

namespace Weee.Service
{
    public class WeeeSiteInfoService
    {
        private WeeeDataContext _db; 

        public WeeeSiteInfoService(WeeeDataContext db)
        {
            _db = db;
        }

        public WebSiteInfoViewModel GetWebSiteInfo()
        {
            string sysAdminUserId = GetSysAdminUserId();
            if (string.IsNullOrWhiteSpace(sysAdminUserId))
                return null;

            var list = _db.UserAccountType.Where(x => x.UserId == sysAdminUserId).ToList();
            if (list != null && list.Count() > 0)
            {
                return (from a in list
                        select new WebSiteInfoViewModel
                        {
                            ID = a.ID,
                            footerAddress = a.footerAddress,
                            footerPhone = a.footerPhone,
                            footerFax = a.footerFax,
                            footerEmail = a.footerEmail,
                            footerCopyright = a.footerCopyright,
                            loginImagePath = a.loginImagePath,
                            loginImageStyle = a.loginImageStyle,
                            text1welcome = a.text1welcome,
                            text2Qcarbon = a.text2Qcarbon,
                            loginImageBackGroundColor = a.loginImageBackGroundColor
                        }).FirstOrDefault();
            }
            else
                return null;

        }

        public UserAccountType SaveWebSiteInfo(WebSiteInfoViewModel sour, out string ErrMsg)
        {
            var re = new UserAccountType();

            string sysAdminUserId = GetSysAdminUserId();
            if (string.IsNullOrWhiteSpace(sysAdminUserId))
            {
                ErrMsg = "尚未設定SystemAdmin使用者"; 
                return null;
            }                

            var userAccountTypes = _db.UserAccountType.Where(x => x.UserId == sysAdminUserId).ToList();
            if (userAccountTypes != null && userAccountTypes.Count > 0)
            {
                var uat = userAccountTypes.FirstOrDefault();
                uat.footerAddress = sour.footerAddress;
                uat.footerPhone = sour.footerPhone;
                uat.footerFax = sour.footerFax;
                uat.footerEmail = sour.footerEmail;
                uat.footerCopyright = sour.footerCopyright;
                uat.loginImageStyle = sour.loginImageStyle;
                uat.loginImageBackGroundColor = sour.loginImageBackGroundColor;
                uat.text1welcome = sour.text1welcome;
                uat.text2Qcarbon = sour.text2Qcarbon;
                _db.SaveChanges();
                re = uat;
            }
            else
            {
                UserAccountType it = new UserAccountType
                {
                    UserId = sysAdminUserId,
                    AccountType =(ACCOUNT_TYPE) 1,
                    StartTime = new DateTime(2022, 1, 1),
                    EndTime = new DateTime(2032, 1, 1),
                    Enabled = true,
                    footerAddress = sour.footerAddress,
                    footerPhone = sour.footerPhone,
                    footerFax = sour.footerFax,
                    footerEmail = sour.footerEmail,
                    footerCopyright = sour.footerCopyright,
                    loginImageStyle = sour.loginImageStyle,
                    text1welcome = sour.text1welcome,
                    text2Qcarbon = sour.text2Qcarbon
                };

                _db.UserAccountType.Add(it);
                _db.SaveChanges();
                re = it;
            }

            ErrMsg = "";
            return re;
        }

        public string GetSysAdminUserId()
        {         
            var list = _db.Users.Where(x => x.IsSystemAdmin == true).ToList();
            if (list != null && list.Count() > 0)
            {
                list = list.OrderBy(x => x.Id).ToList();
                return list.FirstOrDefault().Id;
            }               
            return "";
        }

        public bool IsSysAdmin(string UserId)
        {
            if(!string.IsNullOrWhiteSpace(UserId))
            {
                var list = _db.Users.Where(x => x.Id == UserId && x.IsSystemAdmin == true).ToList();
                if (list != null && list.Count > 0)
                    return true;
                else
                    return false;
            }
            return false;
        }
 
        public void DelSiteImg()
        {
            string sysAdminUserId = GetSysAdminUserId();
            var userAccountTypes = _db.UserAccountType.Where(x => x.UserId == sysAdminUserId).ToList();
            if (userAccountTypes != null && userAccountTypes.Count > 0)
            {
                var uat = userAccountTypes.FirstOrDefault();
                uat.loginImagePath = "";
                _db.SaveChanges();
            }
        }

    }
}