using Amazon.S3.Model.Internal.MarshallTransformations;
using BMA.EHR.Application.Common.Interfaces;
using BMA.EHR.Application.Messaging;
using BMA.EHR.Domain.Models.Leave.Commons;
using BMA.EHR.Domain.Models.Leave.Requests;
using Microsoft.AspNetCore.Http;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;

namespace BMA.EHR.Application.Repositories.Leaves.LeaveRequests
{
    public class LeaveRequestRepository : GenericLeaveRepository<Guid, LeaveRequest>
    {
        #region " Fields "

        private readonly ILeaveDbContext _dbContext;
        private readonly IHttpContextAccessor _httpContextAccessor;
        private readonly OrganizationCommonRepository _organizationCommonRepository;
        private readonly UserProfileRepository _userProfileRepository;
        private readonly IConfiguration _configuration;
        private readonly EmailSenderService _emailSenderService;

        #endregion

        #region " Constructor and Destuctor "

        public LeaveRequestRepository(ILeaveDbContext dbContext,
                                      IHttpContextAccessor httpContextAccessor,
                                      OrganizationCommonRepository organizationCommonRepository,
                                      UserProfileRepository userProfileRepository,
                                      IConfiguration configuration,
                                      EmailSenderService emailSenderService) : base(dbContext, httpContextAccessor)
        {
            _dbContext = dbContext;
            _httpContextAccessor = httpContextAccessor;
            _organizationCommonRepository = organizationCommonRepository;
            _userProfileRepository = userProfileRepository;
            _configuration = configuration;
            _emailSenderService = emailSenderService;
        }

        #endregion

        #region " Properties "

        protected Guid UserOrganizationId
        {
            get
            {
                if (UserId != null || UserId != "")
                    return _userProfileRepository.GetUserOCId(Guid.Parse(UserId!));
                else
                    return Guid.Empty;
            }
        }

        #endregion

        #region " Methods "

        public async Task<List<LeaveRequest>> GetLeaveRequestByYearAsync(int year)
        {
            var data = await _dbContext.Set<LeaveRequest>().AsQueryable()
                            .Include(x => x.Type)
                            .Where(x => x.LeaveStartDate.Year == year)
                            .ToListAsync();

            return data;
        }


        public async Task<List<LeaveRequest>> GetLeaveRequestByUserIdAsync(Guid keycloakUserId, int year, Guid type, string status)
        {
            var rawData = _dbContext.Set<LeaveRequest>().AsQueryable()
                                    .Include(x => x.Type)
                                    .Where(x => x.KeycloakUserId == keycloakUserId);

            if (year != 0)
                rawData = rawData.Where(x => x.LeaveStartDate.Year == year);

            if (type != Guid.Empty)
                rawData = rawData.Where(x => x.Type.Id == type);

            if (status.Trim().ToUpper() != "ALL")
                rawData = rawData.Where(x => x.LeaveStatus == status);

            return await rawData.ToListAsync();
        }

        public async Task<int> GetRestDayTotalByYearForUserAsync(Guid keycloakUserId, int year)
        {
            var leaveType = await _dbContext.Set<LeaveType>().AsQueryable().FirstOrDefaultAsync(l => l.Code.Trim().ToUpper() == "LV-005");

            if (leaveType == null)
            {
                throw new Exception("ไม่พบข้อมูลประเภทการลาพักผ่อน โปรดติดต่อผู้ดูและระบบ");
            }

            var data = _dbContext.Set<LeaveRequest>().AsQueryable()
                            .Include(x => x.Type)
                            .Where(x => x.KeycloakUserId == keycloakUserId)
                            .Where(x => x.Type.Id == leaveType.Id)
                            .Where(x => x.LeaveStartDate.Year == year)
                            .Sum(x => x.LeaveTotal);

            return data;
        }

        public async Task<int> GetSumLeaveByTypeForUserAsync(Guid keycloakUserId, Guid leaveTypeId, int year)
        {
            var data = await _dbContext.Set<LeaveRequest>().AsQueryable()
                            .Include(x => x.Type)
                            .Where(x => x.KeycloakUserId == keycloakUserId)
                            .Where(x => x.Type.Id == leaveTypeId)
                            .Where(x => x.LeaveStartDate.Year == year)
                            .ToListAsync();

            return data.Sum(x => x.LeaveTotal);
        }

        public async Task<DateTime?> GetLeaveLastByTypeForUserAsync(Guid keycloakUserId, Guid leaveTypeId)
        {
            var data = await _dbContext.Set<LeaveRequest>().AsQueryable()
                            .Include(x => x.Type)
                            .Where(x => x.KeycloakUserId == keycloakUserId)
                            .Where(x => x.Type.Id == leaveTypeId)
                            .OrderByDescending(x => x.LeaveStartDate.Date)
                            .Select(x => x.LeaveStartDate.Date)
                            .FirstOrDefaultAsync();

            return data;
        }

        #endregion
    }
}