using Cloud_Manager;
using Cloud_Manager.Models.Enums;
using Cloud_Manager.Models.Interfaces;
using Cloud_Manager.Models.POSModels;
using Microsoft.EntityFrameworkCore;
using Microsoft.Net.Http.Headers;
using MySqlConnector;
using System.Text.Json;

namespace Cloud_Manager.Services
{
    public class UserService : IUser
    {
        private readonly BiskAcdbContext m_context;
        private readonly ITokenService m_tokenService;
        private readonly HttpContext m_httpContext;

        public UserService(BiskAcdbContext a_context, ITokenService a_tokenService, IHttpContextAccessor a_httpContextAccessor)
        {
            m_context = a_context;
            m_tokenService = a_tokenService;
            m_httpContext = a_httpContextAccessor?.HttpContext;
        }
        public IEnumerable<Tbluser> FetchUsers()
        {
            string token = m_httpContext.Request.Headers[HeaderNames.Authorization]!;

            if (AuthEnums.Valid == m_tokenService.ValidateToken(token))
            {
                IEnumerable<string> accessiblebranches = m_tokenService.BranchIds(token);

                return m_context.Tblusers.Where(b => accessiblebranches.Contains(b.BranchId));
            }
            return new List<Tbluser>();
        }

        public Task<IEnumerable<Tbluser>> GetUsers()
        {
            throw new NotImplementedException();
        }

        public async Task SyncUserAsync(List<Tbluser> a_users)
        {
            string token = m_httpContext.Request.Headers[HeaderNames.Authorization]!;
            if (AuthEnums.Valid == m_tokenService.ValidateToken(token))
            {
                string jsonString = JsonSerializer.Serialize(a_users);
                using (var command = m_context.Database.GetDbConnection().CreateCommand())
                {
                    m_context.Database.OpenConnection();

                    command.CommandText = "CALL UsersSync(@p0)";
                    command.Parameters.Add(new MySqlParameter("@p0", jsonString));
                    command.ExecuteNonQuery();
                }
            }
        }
    }
}