using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace LMS.DAO.MachineDAO
{
    public class MachineBasicDao(ApplicationDbContext context)
    {
        private readonly ApplicationDbContext _context = context;

        /// <summary>
        /// 检查机器码是否存在（机器码，不是对应的ID）
        /// </summary>
        /// <param name="machineId"></param>
        /// <returns></returns>
        public async Task<bool> CheckMachineByMachineId(string? machineId)
        {
            if (string.IsNullOrWhiteSpace(machineId))
            {
                return false;
            }
            return await _context.Machine.AnyAsync(x => x.MachineId == machineId);
        }


        /// <summary>
        /// 检查机器码是否存在（机器码，对应的ID）
        /// </summary>
        /// <param name="Id"></param>
        /// <returns></returns>
        public async Task<bool> CheckMachineById(string Id)
        {
            if (string.IsNullOrWhiteSpace(Id))
            {
                return false;
            }
            return await _context.Machine.AnyAsync(x => x.Id == Id);
        }
    }
}