using BMA.EHR.Application.Common.Interfaces;
using Microsoft.AspNetCore.Http;
using Microsoft.EntityFrameworkCore;
using System.Security.Claims;

namespace BMA.EHR.Application.Repositories
{
    public class GenericRepository<S, T> : IGenericRepository<S, T> where T : class
    {
        #region " Field "

        private readonly IApplicationDBContext _dbContext;
        private readonly DbSet<T> _dbSet;
        private readonly IHttpContextAccessor _httpContextAccessor;

        #endregion

        #region " Constructor and Destructor "

        public GenericRepository(IApplicationDBContext dbContext,
                                 IHttpContextAccessor httpContextAccessor)
        {
            _dbContext = dbContext;
            _dbSet = _dbContext.Set<T>();
            _httpContextAccessor = httpContextAccessor;
        }

        #endregion

        #region " Properties "

        protected string? UserId => _httpContextAccessor?.HttpContext?.User?.FindFirst(ClaimTypes.NameIdentifier)?.Value;

        protected string? FullName => _httpContextAccessor?.HttpContext?.User?.FindFirst("name")?.Value;

        #endregion

        #region " Methods "

        public virtual async Task<IReadOnlyList<T>> GetAllAsync()
        {
            return await _dbSet.ToListAsync();
        }

        public virtual async Task<T?> GetByIdAsync(S id)
        {
            return await _dbSet.FindAsync(id);
        }

        public virtual async Task<T> AddAsync(T entity)
        {
            //if (entity is IAuditableEntity)
            //{
            //    (entity as IAuditableEntity).CreatedUserId = Guid.Parse(UserId);
            //    (entity as IAuditableEntity).CreatedUserFullName = FullName;
            //    (entity as IAuditableEntity).CreatedDate = DateTime.Now;
            //}


            await _dbSet.AddAsync(entity);
            await _dbContext.SaveChangesAsync();

            return entity;
        }

        public virtual async Task<T> UpdateAsync(T entity)
        {
            //if (entity is IAuditableEntity)
            //{
            //    (entity as IAuditableEntity).ModifiedUserId = Guid.Parse(UserId);
            //    (entity as IAuditableEntity).ModifiedUserFullName = FullName;
            //    (entity as IAuditableEntity).ModifiedDate = DateTime.Now;
            //}

            _dbSet.Update(entity);
            await _dbContext.SaveChangesAsync();

            return entity;
        }

        public virtual async Task DeleteAsync(T entity)
        {
            _dbSet.Remove(entity);
            await _dbContext.SaveChangesAsync();
        }

        #endregion
    }
}