using DevExpress.Internal.WinApi.Windows.UI.Notifications;
using DevExpress.XtraEditors;
using DevExpress.XtraLayout.Utils;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace XdCxRhDW.App.CorTools
{
    public partial class CorToolForm : DevExpress.XtraEditors.XtraForm
    {
        static readonly string inifile = Path.Combine(Application.StartupPath, "par.ini");
        volatile bool beRunning = false;
        BindingList<CafResult> gridSource = new BindingList<CafResult>();

        public CorToolForm()
        {
            InitializeComponent();
        }

        void openfile(object sender)
        {
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                if (sender == btnFile1)
                {
                    btnFile1.Text = openFileDialog1.FileName;
                }
                else
                {
                    btnFile2.Text = openFileDialog1.FileName;
                }
            }
        }

        /// <summary>
        /// 读取配置
        /// </summary>
        void ReadIni()
        {
            if (File.Exists(inifile))
            {
                var lines = File.ReadAllLines(inifile);
                if (lines.Length != 9)
                {
                    return;
                }
                btnFile1.Text = lines[0];
                btnFile2.Text = lines[1];
                teCount.Text = lines[2];
                tefs.Text = lines[3];
                teCenter.Text = lines[4];
                teRange.Text = lines[5];
                teSnr.Text = lines[6];
                tePos.Text = lines[7];
                teDfRange.Text = lines[8];
            }
        }

        /// <summary>
        /// 写入配置
        /// </summary>
        void WriteIni()
        {
            var lines = new List<String>();
            lines.Add(btnFile1.Text);
            lines.Add(btnFile2.Text);
            lines.Add(teCount.Text);
            lines.Add(tefs.Text);
            lines.Add(teCenter.Text);
            lines.Add(teRange.Text);
            lines.Add(teSnr.Text);
            lines.Add(tePos.Text);
            lines.Add(teDfRange.Text);
            File.WriteAllLines(inifile, lines);
        }

        private void MainForm_Load(object sender, EventArgs e)
        {
            this.gridControl1.DataSource = gridSource;
            ReadIni();
        }

        private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            //if (!DxHelper.MsgBoxHelper.ShowConfirm("是否退出当前程序"))
            //{
            //    e.Cancel = true;
            //}
        }

        private bool ValidateFile(string filename)
        {
            if (string.IsNullOrWhiteSpace(filename))
            {
                DxHelper.MsgBoxHelper.ShowError($"请选择文件!");
                return false;
            }
            if (!File.Exists(filename))
            {
                DxHelper.MsgBoxHelper.ShowError($"文件【{filename}】不存在");
                return false;
            }
            return true;
        }

        private async void btnOK_Click(object sender, EventArgs e)
        {
            if (btnOK.Text == "停止")
            {
                //XcorrUtils.Stop();
                return;
            }
            //开始计算
            //校验文件名称
            if (!ValidateFile(btnFile1.Text))
            {
                return;
            }
            if (!ValidateFile(btnFile2.Text))
            {
                return;
            }

            XcorrStruct xItem = new XcorrStruct();
            xItem.file1 = btnFile1.Text;
            xItem.file2 = btnFile2.Text;
            try
            {
                xItem.smpCount = int.Parse(teCount.Text);
                xItem.samplingRate = Convert.ToInt32(double.Parse(tefs.Text) * 1e6);
                xItem.dtCenter = int.Parse(teCenter.Text);
                xItem.dtRange = int.Parse(teRange.Text);
                xItem.dfRange = int.Parse(teDfRange.Text);
                xItem.smpStart = int.Parse(tePos.Text);
                xItem.snrThreshold = int.Parse(teSnr.Text);
            }
            catch
            {
                DxHelper.MsgBoxHelper.ShowError($"参数错误");
                return;
            }
            WriteIni();
            btnOK.Text = "停止";
            beRunning = true;

            //if (chkDama.Checked is false)
            //{
                var result = await ExecuteCorAsync(xItem);
                if (result != null)
                {
                    gridSource.Add(result);
                    gridView1.FocusedRowHandle = gridSource.Count - 1;
                }
            //}
            //else
            //{
            //    foreach (var cafItem in gridSource)
            //    {
            //        if (!beRunning) continue;
            //        xItem.smpStart = (int)cafItem.smpstart;
            //        xItem.smpCount = (int)cafItem.smplen;
            //        var result = await ExecuteCorAsync(xItem);
            //        if (result != null)
            //        {
            //            cafItem.dt = result.dt;
            //            cafItem.df = result.df;
            //            cafItem.snr = result.snr;
            //            cafItem.tm = result.tm;
            //        }
            //    }
            //    gridControl1.RefreshDataSource();
            //}
            btnOK.Text = "计算";
            beRunning = false;
        }

        private async Task<CafResult> ExecuteCorAsync(XcorrStruct xItem)
        {
            XcorrUtils xcorr = new XcorrUtils();
            var result = await xcorr.Calc(xItem);
            //开始计算
            if (result.flag == -2)
            {
                DxHelper.MsgBoxHelper.ShowError($"内部错误");
                btnOK.Text = "计算";
                beRunning = false;
                return null;
            }
            else if (result.flag == -1)
            {
                DxHelper.MsgBoxHelper.ShowError($"计算所需数据超出文件范围");
                btnOK.Text = "计算";
                beRunning = false;
                return null;
            }
            else if (result.flag == -3)
            {
                btnOK.Text = "计算";
                beRunning = false;
                return null;
            }
            return result;
        }

        private void ExecuteDamaAsync()
        {

        }


        /// <summary>
        /// 网格右键菜单弹出
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void gridView1_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right && !beRunning)
            {
                popupMenu1.ShowPopup(Cursor.Position);
            }
        }

        /// <summary>
        /// 清除网格
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void barButtonItem1_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            gridSource.Clear();
        }

        /// <summary>
        /// 文件拖拽
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnFile_DragOver(object sender, DragEventArgs e)
        {
            e.Effect = e.Data.GetDataPresent(DataFormats.FileDrop) ? DragDropEffects.Copy : DragDropEffects.None;
        }

        private void btnFile_DragDrop(object sender, DragEventArgs e)
        {
            string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
            if (files != null && files.Length != 0)
            {
                if (sender == btnFile1)
                {
                    btnFile1.Text = files[0];
                }
                else if (sender == btnFile2)
                {
                    btnFile2.Text = files[0];
                }
            }
        }

        private void btnFile_ButtonClick(object sender, DevExpress.XtraEditors.Controls.ButtonPressedEventArgs e)
        {
            openfile(sender);
        }

        private void btnFile_DoubleClick(object sender, EventArgs e)
        {
            openfile(sender);
        }

        private void barButtonItem2_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            SaveFileDialog dialog = new SaveFileDialog();
            dialog.Filter = "csv|*.csv";
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                gridView1.ExportToCsv(dialog.FileName);
            }
        }

        private async void btnCheck_Click(object sender, EventArgs e)
        {
            //if (!ValidateFile(btnFile1.Text))
            //{
            //    return;
            //}
            //var dmcResult = await XcorrUtils.DmcCheckAsync(btnFile1.Text, double.Parse(tefs.Text));
            //gridSource.Clear();

            //foreach (var dmcItem in dmcResult)
            //{
            //    gridSource.Add(new CafResult()
            //    {
            //        file1 = btnFile1.Text,
            //        file2 = btnFile2.Text,
            //        smpstart = dmcItem.Start,
            //        smplen = dmcItem.Length
            //    });
            //}
        }

        private void chkDama_CheckedChanged(object sender, EventArgs e)
        {
            //lciBtnCheck.Visibility = chkDama.Checked ? LayoutVisibility.Always : LayoutVisibility.Never;
            //lciStartPos.Visibility = lciSampleLength.Visibility = chkDama.Checked ? LayoutVisibility.Never : LayoutVisibility.Always;
            //layoutControl1.BestFit();

        }
    }
}