using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Uestc.Auto6.Dso.Core;
using Uestc.Auto6.Dso.Core.Tools;

namespace Uestc.Auto6.Dso.U2
{
    public partial class ReferencePage : UserControl, IChnlView
    {
        private Boolean _ArgToCtrl;

        public ReferencePage()
        {
            InitializeComponent();
            Init();
        }

        protected new Boolean DesignMode
        {
            get
            {
                Boolean rtnflag = false;
#if DEBUG
                rtnflag = DesignTimeHelper.InDesignMode(this);
#endif
                return rtnflag;
            }
        }

        public ReferencePrsnt Presenter
        {
            get => (ReferencePrsnt)(ParentForm as IChnlView).Presenter;
            set => (ParentForm as IChnlView).Presenter = value;
        }

        IBadge IView<IBadge>.Presenter
        {
            get => Presenter;
            set => Presenter = (ReferencePrsnt)value;
        }

        private void Init()
        {
            //NebVScale
            NebVScale.AddClicked += (_, _) => Presenter.ScaleIndex++;
            NebVScale.SubClicked += (_, _) => Presenter.ScaleIndex--;
            NebVScale.StringFormatFunc = (value) => VScaleToString();

            //NebVPos
            NebVPos.AddClicked += (_, _) => Presenter.PosIndexBymDiv++;
            NebVPos.SubClicked += (_, _) => Presenter.PosIndexBymDiv--;
            NebVPos.StringFormatFunc = (value) => VPosToString();

            //NebHScale
            NebHScale.AddClicked += (_, _) => Presenter.Sampling.ScaleIndex++;
            NebHScale.SubClicked += (_, _) => Presenter.Sampling.ScaleIndex--;
            NebHScale.StringFormatFunc = (value) => HScaleToString();

            //NebHPos
            NebHPos.AddClicked += (_, _) => Presenter.Sampling.PosIndexBymDiv++;
            NebHPos.SubClicked += (_, _) => Presenter.Sampling.PosIndexBymDiv--;
            NebHPos.StringFormatFunc = (value) => HPosToString();
        }

        public void UpdateView(String propertyName)
        {
            if (String.IsNullOrEmpty(propertyName))
            {
                UpdateView();
                return;
            }

            _ArgToCtrl = true;
            switch (propertyName)
            {
                case nameof(Presenter.Active):
                    ChkActive.Checked = Presenter.Active;
                    break;
                case "ConditioningScale":
                case "ConditioningScaleUnit":
                    NebVScale.UpdateValueString();
                    TbxUnit.Text = Presenter.Unit;
                    return;
                case "ConditioningPosition":
                    NebVPos.UpdateValueString();
                    return;
                case "SamplingScale":
                    NebHScale.UpdateValueString();
                    return;
                case "SamplingPosition":
                    NebHPos.UpdateValueString();
                    return;
                case nameof(Presenter.Label):
                    TbxLabel.Text = Presenter.Label;
                    break;
            }
            _ArgToCtrl = false;
        }

        protected void UpdateView()
        {
            if (!DesignMode)
            {
                _ArgToCtrl = true;
                //ChkActive.Checked = Presenter.Active;

                NebVScale.UpdateValueString();
                NebVPos.UpdateValueString();
                NebHScale.UpdateValueString();
                NebHPos.UpdateValueString();

                TbxLabel.Text = Presenter.Label;
                TbxUnit.Text = Presenter.Unit;
                BtnFullFileName.Text = Presenter.FullFileName;

                _ArgToCtrl = false;
            }
        }

        private String VScaleToString()
        {
            return new Quantity(Presenter.Scale, Presenter.Prefix, Presenter.Unit).ToString();
        }

        private String VPosToString()
        {
            return new Quantity(Presenter.PosIndexBymDiv, Prefix.Milli, "div").ToString("#0.###", true);
        }

        private String HScaleToString()
        {
            return new Quantity(Presenter.Sampling.Scale, Presenter.Sampling.Prefix, Presenter.Sampling.Unit)
                .ToString();
        }

        private String HPosToString()
        {
            return new Quantity(Presenter.Sampling.PositionByus, Presenter.Sampling.Prefix, Presenter.Sampling.Unit)
                .ToString(5, true);
        }

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e); 
            Uni_Trend.MSO7000X.UserControls.Style.StyleManager.Instance.RegisterControlRecursion(this);
            UpdateView();
        }

        public override void Refresh()
        {
            UpdateView();
            base.Refresh();
        }

        private void TbxLabel_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (OnEnterKeyPressed(sender, e))
                Presenter.Label = TbxLabel.Text;
        }

        private void TbxLabel_Leave(object sender, EventArgs e)
        {
            Presenter.Label = TbxLabel.Text;
        }

        private static Boolean OnEnterKeyPressed(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (Char)Keys.Enter)
                return true;

            return false;
        }

        private void TbxUnit_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (OnEnterKeyPressed(sender, e))
                Presenter.Unit = TbxUnit.Text;
        }

        private void TbxUnit_Leave(object sender, EventArgs e)
        {
            Presenter.Unit = TbxUnit.Text;
        }

        private void ChkActive_CheckedChangedEvent(object sender, EventArgs e)
        {
            if (!_ArgToCtrl)
            {
                Presenter.Active = false;
                if (DsoPrsnt.FocusId == Presenter.Id)
                    Program.Oscilloscope.MoveFocusId();

                (Program.Oscilloscope.View as DsoForm).RemoveBadge(Presenter); 
            }
        }

        private void BtnFullFileName_Click(object sender, EventArgs e)
        {
            FileReadForm rdform = new()
            {
                StartPosition = FormStartPosition.CenterScreen,
            };

            rdform.CanClose = false;
            rdform.IsShowPin = false;
            rdform.SetFileFilter(Enum.GetValues<WfmFormat>().Where(x => x == WfmFormat.Binary));
            rdform.SetPath(System.IO.Path.GetDirectoryName(Presenter.FullFileName));

            if (rdform.ShowDialogByEvent() == DialogResult.Yes)
            {
                ReferencePrsnt rprsnt = Presenter;
                if (ReferencePrsnt.TryRead(Presenter.Id, rdform.FullFileName, ref rprsnt))
                {
                    BtnFullFileName.Text = Presenter.FullFileName;
                    return;
                }
                WeakTip.Default.Write("Ref", MsgTipId.InvalidData);
            }
            
        }
    }
}