using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Metis.AutoAnalysis
{
    public partial class SelectSampleInfo : Form
    {
        public SelectSampleInfo()
        {
            InitializeComponent();
        }

        private void SelectSampleInfo_Load(object sender, EventArgs e)
        {
            lvSampleInfo.Columns.Add("检测项目");
            lvSampleInfo.Columns.Add("检验批号");
            lvSampleInfo.Columns.Add("试批顺序号");
            lvSampleInfo.Columns.Add("试样号");
            lvSampleInfo.Columns.Add("收样时间");
            lvSampleInfo.Columns.Add("牌号(钢级)");

            LoadSampleInfoData("");

            for (int i = 0; i < lvSampleInfo.Columns.Count; i++)
            {
                lvSampleInfo.Columns[i].Width = -2;
            }
        }

        private void LoadSampleInfoData(string condition)
        {
            string dir = ConfigurationManager.AppSettings["sampleinfo_dir"];

            string[] files = GetLatestFiles(dir, 1);

            if (files.Length <= 0)
            {
                MessageBox.Show("指定文件夹下的文件不存在");
                return;
            }   

            lvSampleInfo.Items.Clear();

            try
            {
                StreamReader file = File.OpenText(files[0]);

                JsonTextReader reader = new JsonTextReader(file);
                JArray arr = (JArray)JToken.ReadFrom(reader);
                foreach (var json in arr)
                {
                    if(string.IsNullOrEmpty(condition) == false)
                    {
                        string sampleId = json["SAMPLEID"].ToString();
                        if (sampleId.Contains(condition) == false)
                            continue;
                    }

                    ListViewItem item = new ListViewItem();
                    item.SubItems[0].Text = json["TESTCODE"].ToString();
                    item.SubItems.Add(json["SAMPLELOTNO"].ToString());
                    item.SubItems.Add(json["SAMPLEID"].ToString());
                    item.SubItems.Add(json["FD_SAMPLE_NO"].ToString());
                    item.SubItems.Add(json["RECVTIME"].ToString());
                    item.SubItems.Add(json["FD_SG_SIGN"].ToString());
                    lvSampleInfo.Items.Add(item);
                }

                reader.Close();
                file.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show("读取json文件出错 " + ex.Message);
            }            
            
        }

        public string TESTCODE { get; set; }
        public string SAMPLELOTNO { get; set; }
        public string SAMPLEID { get; set; }
        public string FD_SAMPLE_NO { get; set; }
        public string RECVTIME { get; set; }
        public string FD_SG_SIGN { get; set; }


        private string[] GetLatestFiles(string dir, int count)
        {
            try
            {
                var query = (from f in Directory.GetFiles(dir)
                             let fi = new FileInfo(f)
                             orderby fi.CreationTime descending
                             select fi.FullName).Take(count);
                return query.ToArray();
            }
            catch (Exception) { }
            
            return new string[0];
        }

        private void btnSearch_Click(object sender, EventArgs e)
        {
            string cond = txtCond.Text;
            LoadSampleInfoData(cond);
        }

        private void btnClose_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.Cancel;
            this.Close();
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            TESTCODE = lvSampleInfo.SelectedItems[0].SubItems[0].Text;
            SAMPLELOTNO = lvSampleInfo.SelectedItems[0].SubItems[1].Text;
            SAMPLEID = lvSampleInfo.SelectedItems[0].SubItems[2].Text;
            FD_SAMPLE_NO = lvSampleInfo.SelectedItems[0].SubItems[3].Text;
            RECVTIME = lvSampleInfo.SelectedItems[0].SubItems[4].Text;
            FD_SG_SIGN = lvSampleInfo.SelectedItems[0].SubItems[5].Text;

            this.DialogResult = DialogResult.OK;
        }
    }
}