using langguanApi.Extensions.AutoDI;
using langguanApi.Model;
using langguanApi.Model.Entity;
using Npoi.Mapper;
using System.Collections.Generic;
using System.Linq.Expressions;

namespace langguanApi.Service
{
    [ServiceInjection(InjectionType.Transient)]
    public class DetectionService : BaseService<Detection>
    {
        public DetectionService(IConfiguration config) : base(config, nameof(Detection))
        {
        }
        /// <summary>
        /// //获取最新的数据
        /// </summary>
        /// <param name="num"></param>
        /// <returns></returns>
        public async Task<object> GetIndexData(int num = 50)
        {
            Expression<Func<Detection, bool>> exp = filter => true;
            var result = (await GetListWithExp(exp)).OrderByDescending(s => s.CreateDateTime).Take(num).ToList();
            return result;
        }
        /// <summary>
        /// 导出数据
        /// </summary>
        /// <returns></returns>
        public async Task<byte[]> Export(DateTime start, DateTime end)
        { 
            Expression<Func<Detection, bool>> exp = filter => filter.CreateDateTime >= start && filter.CreateDateTime <= end;
            var result = (await GetListWithExp(exp)).OrderBy(s => s.CreateDateTime).ToList();
            var mapper = new Mapper();
            mapper.Map<Detection>("时间", s => s.CreateDateTime.ToString("yyyy-MM-dd HH:mm:ss"))
            .Map<Detection>("工序", s => s.OrganizedName)
            .Map<Detection>("设备名称", s => s.DeviceName)
            .Map<Detection>("项目", s => s.keyword)
            .Map<Detection>("检测值", s => s.deviceValue)
             .Format<Detection>("yyyy-MM-dd HH:mm:ss", s => s.CreateDateTime);
            MemoryStream stream = new MemoryStream();
            mapper.Save(stream, result.ToList(), sheetName: "sheet1", leaveOpen: true);
            return stream.ToArray();
        }
    }
}