using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using System.Web.Http;
using XdCxRhDW.Dto;
using XdCxRhDW.WebApi;

namespace GpuCgServer.Controllers
{
    /// <summary>
    /// Gpu参估接口
    /// </summary>
    public class GpuCgController : BaseController
    {
        /// <summary>
        /// GPU参估计算(需要先上传文件)
        /// </summary>
        /// <param name="dto">GPU参估参数</param>
        /// <returns></returns>
        [HttpPost]
        public async Task<AjaxResult<List<GpuCgResponseDto>>> Calc(GpuCgRequestDto dto)
        {
            dto.file1 = GetLocalFile(dto.file1);
            dto.file2 = GetLocalFile(dto.file2);
            FileInfo file1 = new FileInfo(dto.file1);
            FileInfo file2 = new FileInfo(dto.file2);
            long totalsamp = file1.Length < file2.Length ? file1.Length / 4 : file2.Length / 4;
            //样点数为0时计算所有样本
            if (dto.smpCount == 0)
            {
                dto.smpCount = totalsamp;
            }
            else if (dto.smpCount > 0 && dto.smpCount < 1)
            {
                dto.smpCount = (long)(totalsamp * dto.smpCount);
            }
            CpuCgResDto resDto = new CpuCgResDto();
            try
            {
                var result = await Task.Run(() =>
                {
                    return GpuCgHelper.Calc(dto.file1, dto.file2, dto.samplingRate, dto.smpCount,
                  dto.dtCenter, dto.dtRange, dto.dfRange, dto.snrThreshold, dto.TimeoutSeconds);
                });
                return Success(result);
            }
            catch (Exception ex)
            {
                Serilog.Log.Error(ex, "执行GPU参估异常");
                return Error<List<GpuCgResponseDto>>($"执行GPU参估异常");
            }
        }


    }
}