using System.Data;
using System.Text;
using System.Windows.Input;
using HandyControl.Controls;
using Microsoft.Data.Sqlite;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using SparkClient.Model.Entity;
using SparkClient.Model.Helper;

namespace SparkClient.ViewModel.Configuration;

public class AlgorithmConfigVM : BaseViewModel
{
  public ICommand SaveAlgorithmDataCommand { get; }
  public ICommand BeautifyJsonCommand { get; }
  public ICommand UglifyJsonCommand { get; }
  
  
  private string _AlgorithmConfigJson;
  public string AlgorithmConfigJson { get { return _AlgorithmConfigJson;  } set { _AlgorithmConfigJson = value; OnPropertyChanged("AlgorithmConfigJson");  } }
  public AlgorithmConfigVM()
  {
    SaveAlgorithmDataCommand = new RelayCommand(SaveAlgorithmData);
    BeautifyJsonCommand = new RelayCommand(BeautifyJson);
    UglifyJsonCommand = new RelayCommand(UglifyJson);
    InitAlgorithmData(null);
  }
  
  /// <summary>
  /// 初始化算法数据
  /// </summary>
  /// <param name="param"></param>
  public void InitAlgorithmData(object param)
  {
        AlgorithmConfigJson = "{}";
        string sql = @"SELECT JSON as json FROM ALGORITHM_CONFIG ORDER BY JSON_ORDER";
        DataTable dataTable = DataBaseHelper.ExecuteQuery(sql);
        StringBuilder sb = new StringBuilder();
        if (dataTable != null)
        {
            foreach (DataRow row in dataTable.Rows)
            {
                sb.Append(row["json"].ToString());
            }
        }
        if(sb.Length>0)
        {
            AlgorithmConfigJson = JToken.Parse(sb.ToString()).ToString();
        }
    }
  

  /// <summary>
  /// 保存数据
  /// </summary>
  /// <param name="param"></param>
  public void SaveAlgorithmData(object param)
  {
        DataBaseHelper.BeginTransaction();
        string temp = JsonConvert.SerializeObject(JsonConvert.DeserializeObject(AlgorithmConfigJson));
        string deleteSql = @"DELETE FROM ALGORITHM_CONFIG";
        DataBaseHelper.ExecuteNonQuery(deleteSql);
        int order = 0;
        int insertCount = 0;
        while (temp.Length>2000)
        {
            AlgorithmConfigEntity entity = new AlgorithmConfigEntity()
            {
                GUID = Guid.NewGuid(),
                JsonOrder = order++,
                Json = temp.Substring(0, 2000),
            };
            temp = temp.Substring(2000);
            string sql = entity.GenerateInsertSQL();
            SqliteParameter[] sqliteParameters = {
                    new SqliteParameter("@Json", entity.Json),
                    new SqliteParameter("@JsonOrder", entity.JsonOrder),
                    new SqliteParameter("@GUID", entity.GUID),
                };
            insertCount += DataBaseHelper.ExecuteNonQuery(sql, sqliteParameters);
        }
        if (temp.Length>0)
        {
            AlgorithmConfigEntity entity = new AlgorithmConfigEntity()
            {
                GUID = Guid.NewGuid(),
                JsonOrder = order++,
                Json = temp
            };
            string sql = entity.GenerateInsertSQL();
            SqliteParameter[] sqliteParameters = {
                    new SqliteParameter("@Json", entity.Json),
                    new SqliteParameter("@JsonOrder", entity.JsonOrder),
                    new SqliteParameter("@GUID", entity.GUID.ToString()),
                };
            insertCount += DataBaseHelper.ExecuteNonQuery(sql, sqliteParameters);
        }
        if (insertCount >= 0)
        {
            Growl.Info(MultilingualHelper.getString("SaveSuccess"));
            DataBaseHelper.commit();
        }
        else
        {
            Growl.Error(MultilingualHelper.getString("SaveFail"));
            DataBaseHelper.rollback();
        }
  }

  /// <summary>
  /// 美化JSON
  /// </summary>
  /// <param name="param"></param>
  public void BeautifyJson(object param)
  {
    try
    {
      AlgorithmConfigJson = JToken.Parse(AlgorithmConfigJson).ToString();
    }
    catch (Exception ex)
    {
      Growl.ErrorGlobal(ex.Message);
    }


  }

  /// <summary>
  /// 压缩JSON
  /// </summary>
  /// <param name="param"></param>
  public void UglifyJson(object param)
  {
    AlgorithmConfigJson = JsonConvert.SerializeObject(JsonConvert.DeserializeObject(AlgorithmConfigJson));
  }


}