using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Metis.AutoAnalysis
{
    public class AIResultReader
    {
        public string LoadGrainResult(string dir, ref List<string> fileList)
        {
            string filename = dir + "\\report.ai";
            if (File.Exists(filename) == false)
                return "";

            using (System.IO.StreamReader _file = System.IO.File.OpenText(filename))
            {
                using (JsonTextReader reader = new JsonTextReader(_file))
                {
                    try
                    {
                        JObject o = (JObject)JToken.ReadFrom(reader);
                        JObject arrList = JObject.Parse(o["file_results"].ToString());
                        List<string> gradeList = new List<string>();
                        foreach (var item in arrList)
                        {
                            string name = item.Key.ToString();
                            string grade = item.Value.ToString();
                            if(gradeList.Contains(grade) == false)
                            {
                                gradeList.Add(grade);
                            }
                        }

                        //获取每个级别的个数
                        List<int> gradeCountList = new List<int>();
                        for(int i = 0; i < gradeList.Count; i++)
                        {
                            gradeCountList.Add(0);
                        }

                        foreach (var item in arrList)
                        {
                            string grade = item.Value.ToString();
                            int pos = gradeList.IndexOf(grade);
                            if (pos >= 0)
                            {
                                gradeCountList[pos]++;
                            }                            
                        }

                        int maxPos = -1;
                        int maxCount = -10000;
                        for (int i = 0;i < gradeCountList.Count; i++)
                        {
                            int count = gradeCountList[i];
                            if (count > maxCount)
                            {
                                maxCount = count;
                                maxPos = i;
                            }
                        }

                        string resultGrade = gradeList[maxPos];
                        foreach (var item in arrList)
                        {
                            string name = item.Key.ToString();
                            string grade = item.Value.ToString();
                            if (grade == resultGrade)
                            {
                                fileList.Add(name);
                            }
                        }

                        return resultGrade;

                    }
                    catch (Exception ex)
                    {

                    }
                }
            }

            return "";
        }

        /// <summary>
        /// 查找最差级别
        /// </summary>
        /// <param name="dir"></param>
        /// <param name="fileList"></param>
        /// <returns></returns>
        public string LoadOnlyResult(string dir)
        {
            string filename = dir + "\\report.ai";
            if (File.Exists(filename) == false)
                return "";

            using (System.IO.StreamReader _file = System.IO.File.OpenText(filename))
            {
                using (JsonTextReader reader = new JsonTextReader(_file))
                {
                    try
                    {
                        JObject o = (JObject)JToken.ReadFrom(reader);
                        JObject arrList = JObject.Parse(o["file_results"].ToString());
                        List<double> gradeList = new List<double>();
                        foreach (var item in arrList)
                        {
                            string name = item.Key.ToString();
                            double grade = (double)item.Value;
                            if (gradeList.Contains(grade) == false)
                            {
                                gradeList.Add(grade);
                            }
                        }
                        gradeList.Sort();
                        string resultGrade = gradeList.Last().ToString();
                        return resultGrade;

                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex);
                    }
                }
            }

            return "";
        }
    }
}