using SA_LTT;
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Windows.Forms;

namespace SA_LTT_UI.Viewer
{
    public partial class AlarmViewer : Form
    {
        private MainFrame _mainFrame;

        protected override CreateParams CreateParams
        {
            get
            {
                CreateParams MyCp = base.CreateParams;
                MyCp.ExStyle |= 0x02000000;

                return MyCp;
            }
        }

        public AlarmViewer(MainFrame mainFrame)
        {
            InitializeComponent();
            InitDataGridView();

            _mainFrame = mainFrame;
            CheckOccurredAlarmList();
            _mainFrame.equipment.alarmManager.Occurred += AlarmManager_Occurred;
            _mainFrame.equipment.alarmManager.Cleared += AlarmManager_Cleared;
            CreateHandle();
        }
        
        private void CheckOccurredAlarmList()
        {
            foreach (SA_LTT.Alarm.Alarm alarm in _mainFrame.equipment.alarmManager.OccurredAlarms)
            {
                dgv_OccurredAlarms.Rows.Add(alarm.OccurredTime, alarm.Code, alarm.Description, alarm.Level);
            }
        }

        private void InitDataGridView()
        {
            //Datagridview Double Buffer 사용.
            Type dgvType = dgv_OccurredAlarms.GetType();
            PropertyInfo pi = dgvType.GetProperty("DoubleBuffered",
                  BindingFlags.Instance | BindingFlags.NonPublic);
            pi.SetValue(dgv_OccurredAlarms, true, null);
            //================================

            int i = 0;
            foreach (DataGridViewColumn dgvc in dgv_OccurredAlarms.Columns)
            {
                if (i == 0)
                {
                    dgvc.Width = 160;
                    dgvc.DefaultCellStyle.Format = "yyyy/MM/dd HH:mm:ss.fff";
                }
                else if (i == 1)
                    dgvc.Width = 300;
                else if (i == 2)
                    dgvc.Width = 200;
                else if (i == 3)
                    dgvc.Width = 100;

                i++;
            }

            foreach (DataGridViewColumn column in dgv_OccurredAlarms.Columns)
            {
                column.SortMode = DataGridViewColumnSortMode.NotSortable;
            }
        }

        private void AlarmManager_Cleared()
        {
            if (InvokeRequired)
            {
                BeginInvoke(new AlarmCleared(AlarmManager_Cleared));
                return;
            }
            else
            {
                dgv_OccurredAlarms.Rows.Clear();
                lb_Description.Text = string.Empty;
            }
        }

        private void AlarmManager_Occurred(SA_LTT.Alarm.Alarm occurredAlarm)
        {
            if (InvokeRequired)
            {
                BeginInvoke(new AlarmOccurred(AlarmManager_Occurred), occurredAlarm);
                return;
            }
            else
            {
                dgv_OccurredAlarms.Rows.Add(occurredAlarm.OccurredTime, occurredAlarm.Code, occurredAlarm.Description, occurredAlarm.Level);
            }
        }
        
        private void btn_AlarmClear_Click(object sender, EventArgs e)
        {
            EquipmentLogManager.Instance.WriteButtonLog($"{this.Name} : {((Control)sender).Text}");
            _mainFrame.equipment.alarmManager.Clear();
        }
        
        private void btn_BuzzerStop_Click(object sender, EventArgs e)
        {
            //Buzer stop.
            EquipmentLogManager.Instance.WriteButtonLog($"{this.Name} : {((Control)sender).Text}");
            _mainFrame.equipment.BuzzerStop();
        }

        private void AlarmViewer_FormClosing(object sender, FormClosingEventArgs e)
        {
            e.Cancel = true;
            this.Hide();
        }

        private void dgv_OccurredAlarms_SelectionChanged(object sender, EventArgs e)
        {
            if (dgv_OccurredAlarms.CurrentRow != null && dgv_OccurredAlarms.CurrentRow.Selected)
            {
                lb_Description.Text = (string)dgv_OccurredAlarms.CurrentRow.Cells[2].Value;
            }
            else
            {
                lb_Description.Text = string.Empty;
            }
        }
    }
}