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

namespace SA_LTT_UI.Screen
{
    public partial class ScreenLog : UserControl
    {
        private MainFrame _mainFrame;
        
        public ScreenLog(MainFrame mainFrame)
        {
            InitializeComponent();
            _mainFrame = mainFrame;
            lv_Log.MultiSelect = true;
        }

        private void mc_DateTime_DateChanged(object sender, DateRangeEventArgs e)
        {
            dtp_StartDateTime.Value = mc_DateTime.SelectionStart;
            dtp_EndDateTime.Value = mc_DateTime.SelectionEnd;
        }

        private void dtp_StartDateTime_ValueChanged(object sender, EventArgs e)
        {
            mc_DateTime.SelectionStart = dtp_StartDateTime.Value;
        }

        private void dtp_EndDateTime_ValueChanged(object sender, EventArgs e)
        {
            mc_DateTime.SelectionEnd = dtp_EndDateTime.Value;
        }

        private void btn_AlarmOccurredLog_Click(object sender, EventArgs e)
        {
            lv_Log.Columns.Clear();
            lv_Log.Items.Clear();

            lv_Log.Columns.Add("Date", 200);
            lv_Log.Columns.Add("Alarm Code", 400);
            lv_Log.Columns.Add("Description", 200);
            lv_Log.Columns.Add("Level", 200);
            
            List<DateTime> selectedDates = new List<DateTime>();

            DateTime devDateTime = mc_DateTime.SelectionStart;

            while(true)
            {
                selectedDates.Add(devDateTime);

                devDateTime = devDateTime.AddDays(1);

                if (devDateTime > mc_DateTime.SelectionEnd)
                {
                    break;
                }
            }

            string[] logs = GetLogsInFile(EquipmentLogManager.s_alarmOccurredLogPath, "AlarmOccurred_", selectedDates);

            foreach (string log in logs)
            {
                ListViewItem logDatas = new ListViewItem(log.Split(','));
                lv_Log.Items.Add(logDatas);
            }
        }

        private void btn_AlarmChangedLog_Click(object sender, EventArgs e)
        {
            lv_Log.Columns.Clear();
            lv_Log.Items.Clear();

            lv_Log.Columns.Add("Date", 200);
            lv_Log.Columns.Add("Alarm Code", 400);
            lv_Log.Columns.Add("Description", 200);
            lv_Log.Columns.Add("Level", 200);
            lv_Log.Columns.Add("Use", 200);

            List<DateTime> selectedDates = new List<DateTime>();

            DateTime devDateTime = mc_DateTime.SelectionStart;

            while (true)
            {
                selectedDates.Add(devDateTime);

                devDateTime = devDateTime.AddDays(1);

                if (devDateTime > mc_DateTime.SelectionEnd)
                {
                    break;
                }
            }

            string[] logs = GetLogsInFile(EquipmentLogManager.s_alarmChangedLogPath, "AlarmChanged_", selectedDates);

            foreach (string log in logs)
            {
                ListViewItem logDatas = new ListViewItem(log.Split(','));
                lv_Log.Items.Add(logDatas);
            }
        }

        /// <summary>
        /// 로그 가져오기.
        /// ex) D:\\Log\\AlarmOccurred\\2022\\07\\AlarmOccurred_28.log
        ///    rootPath : D:\\Log\\AlarmOccurred\\
        ///    filePattern : AlarmOccurred_
        ///    extension : .log
        /// </summary>
        /// <param name="rootPath">Root 파일 경로.</param>
        /// <param name="filePattern">파일 패턴.</param>
        /// <param name="selectedDateTime">log 가져올 날짜</param>
        /// <param name="extension">파일 확장자 (기본 .log)</param>
        /// <returns></returns>
        private string[] GetLogsInFile(string rootPath, string filePattern, List<DateTime> selectedDateTime, string extension = ".log")
        {
            List<string> logs = new List<string>();
            logs.Clear();

            foreach (DateTime logDate in selectedDateTime)
            {
                string path = rootPath + $@"{logDate.Year}\{logDate.Month:00}\{filePattern}{logDate.Day:00}{extension}";

                if (File.Exists(path) == false)
                    continue;

                //파일 열려있어도 읽을 수 있도록 제작.
                using (FileStream fs = File.Open(path, FileMode.OpenOrCreate, FileAccess.Read, FileShare.ReadWrite))
                {
                    using (StreamReader sr = new StreamReader(fs))
                    {
                        while (true)
                        {
                            string logdata = sr.ReadLine();

                            if (logdata == null)
                            {
                                break;
                            }
                            else
                            {
                                logs.Add(logdata);
                            }
                        }
                        sr.Close();
                    }

                    fs.Close();
                }
            }

            return logs.ToArray();
        }

        private void btn_EnergyDropCheckLog_Click(object sender, EventArgs e)
        {
            lv_Log.Columns.Clear();
            lv_Log.Items.Clear();

            lv_Log.Columns.Add("Date", 200);
            lv_Log.Columns.Add("Description", 800);

            List<DateTime> selectedDates = new List<DateTime>();

            DateTime devDateTime = mc_DateTime.SelectionStart;

            while (true)
            {
                selectedDates.Add(devDateTime);

                devDateTime = devDateTime.AddDays(1);

                if (devDateTime > mc_DateTime.SelectionEnd)
                {
                    break;
                }
            }

            string[] logs = GetLogsInFile(EquipmentLogManager.s_energyDropCheckLogPath, "EnergyDropCheck_", selectedDates);

            foreach (string log in logs)
            {
                ListViewItem logDatas = new ListViewItem(log.Split(','));
                lv_Log.Items.Add(logDatas);
            }
        }

        private void btn_AttenuatorCalLog_Click(object sender, EventArgs e)
        {
            lv_Log.Columns.Clear();
            lv_Log.Items.Clear();

            lv_Log.Columns.Add("Date", 200);
            lv_Log.Columns.Add("Description", 800);

            List<DateTime> selectedDates = new List<DateTime>();

            DateTime devDateTime = mc_DateTime.SelectionStart;

            while (true)
            {
                selectedDates.Add(devDateTime);

                devDateTime = devDateTime.AddDays(1);

                if (devDateTime > mc_DateTime.SelectionEnd)
                {
                    break;
                }
            }

            string[] logs = GetLogsInFile(EquipmentLogManager.s_attenuatorCalLogPath, "AttenuatorCal_", selectedDates);

            foreach (string log in logs)
            {
                ListViewItem logDatas = new ListViewItem(log.Split(','));
                lv_Log.Items.Add(logDatas);
            }
        }

        private void btn_ProcessLog_Click(object sender, EventArgs e)
        {
            lv_Log.Columns.Clear();
            lv_Log.Items.Clear();

            lv_Log.Columns.Add("Date", 200);
            lv_Log.Columns.Add("Description", 800);

            List<DateTime> selectedDates = new List<DateTime>();

            DateTime devDateTime = mc_DateTime.SelectionStart;

            while (true)
            {
                selectedDates.Add(devDateTime);

                devDateTime = devDateTime.AddDays(1);

                if (devDateTime > mc_DateTime.SelectionEnd)
                {
                    break;
                }
            }

            string[] logs = GetLogsInFile(EquipmentLogManager.s_processLogPath, "Process_", selectedDates);

            foreach (string log in logs)
            {
                ListViewItem logDatas = new ListViewItem(log.Split(','));
                lv_Log.Items.Add(logDatas);
            }
        }

        private void btn_ButtonLog_Click(object sender, EventArgs e)
        {
            lv_Log.Columns.Clear();
            lv_Log.Items.Clear();

            lv_Log.Columns.Add("Date", 200);
            lv_Log.Columns.Add("Event", 800);

            List<DateTime> selectedDates = new List<DateTime>();

            DateTime devDateTime = mc_DateTime.SelectionStart;

            while (true)
            {
                selectedDates.Add(devDateTime);

                devDateTime = devDateTime.AddDays(1);

                if (devDateTime > mc_DateTime.SelectionEnd)
                {
                    break;
                }
            }

            string[] logs = GetLogsInFile(EquipmentLogManager.s_buttonLogPath, "Button_", selectedDates);

            foreach (string log in logs)
            {
                ListViewItem logDatas = new ListViewItem(log.Split(','));
                lv_Log.Items.Add(logDatas);
            }
        }
    }
}