using FastReport.Utils;
using Newtonsoft.Json;
using NPOI.POIFS.Crypt;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Net.Http;

namespace BLL.Common
{
    public class OpenAIhelper
    {
        private const string ApiKey = "sk-a5014a22a49049d1b2179a6c0d8eec1c";
        private const string AIURL = "https://api.deepseek.com/chat/completions";

        public static string ChatCompletion(string content)
        {
            try
            {
                using (HttpClient client = new HttpClient())
                {
                    client.DefaultRequestHeaders.Add("Authorization", "Bearer " + ApiKey);

                    var requestData = new
                    {
                        model = "deepseek-v4-flash",
                        messages = new[] {
                        new { role = "user", content = content }
                    },
                        temperature = 0.3
                    };

                    string json = JsonConvert.SerializeObject(requestData);
                    var chatContent = new StringContent(json, Encoding.UTF8, "application/json");

                    // 同步请求
                    var response = client.PostAsync(AIURL, chatContent).Result;
                    string resultJson = response.Content.ReadAsStringAsync().Result;

                    // 解析返回
                    dynamic result = JsonConvert.DeserializeObject(resultJson);
                    return result.choices[0].message.content.ToString();
                }
            }
            catch (Exception ex)
            {
                return ex.ToString();
            }

        }
    }
}