using NPOI.OpenXmlFormats.Dml.Chart;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Reflection.Emit;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Rs.MotionPlat
{
    public enum EButtonType
    {
        None = 1 << 0,
        Cancel = 1 << 1,
        Ok = 1 << 2,
        Retry = 1 << 3,
        EndInput = 1 << 4,
        Skip = 1 << 5,
        Recheck = 1 << 6
    }

    public partial class FrmDialog : BaseFormHeader
    {

        string cnContent = "";
        string enContent = "";
        //关闭窗体事件
        Button btnOk = new Button() { Name="Ok"};
        Button btnCancel = new Button() { Name = "Cancel" };
        Button btnEndInput = new Button() { Name = "EndInput" };
        Button btnRetry = new Button() { Name = "Retry" };
        Button btnSkip = new Button() { Name = "Skip" };
        Button btnRecheck = new Button() { Name = "Recheck" };
        List<Button> buttons = new List<Button>();
        public FrmDialog()
        {
            InitializeComponent();
            buttons.Add(btnOk);
            buttons.Add(btnCancel);
            buttons.Add(btnEndInput);
            buttons.Add(btnRetry);
            buttons.Add(btnSkip);
            buttons.Add(btnRecheck);
            foreach (var item in buttons)
            {
                item.Cursor = Cursors.Hand;
                item.Text = item.Name;
                item.Size = new System.Drawing.Size(100, 30);
                item.ForeColor = System.Drawing.Color.White;
                item.Margin = new System.Windows.Forms.Padding(0, 0, 10, 0);
                item.FlatStyle = FlatStyle.Flat;
                item.FlatAppearance.BorderSize =1;
                item.FlatAppearance.BorderColor = Color.Red;
                item.BackColor = Color.FromArgb(56, 56, 56);
                item.Click += (a, b) => {
                    btnResult = (EButtonType)Enum.Parse(typeof(EButtonType), item.Name);
                    this.Close();
                };
            }
        }

        private void BtnOk_Click(object sender, EventArgs e)
        {
            btnResult = EButtonType.Ok;
            this.Close();
        }

        private void FrmDialog_Load(object sender, EventArgs e)
        {
           // ShowMessage(EButtonType.Ok| EButtonType.Cancel);
        }

        public const int HWND_TOP = 0;
        public const int HWND_BOTTOM = 1;
        public const int HWND_TOPMOST = -1;
        public const int HWND_NOTOPMOST = -2;

        //设置此窗体为活动窗体：
        //将创建指定窗口的线程带到前台并激活该窗口。键盘输入直接指向窗口，并为用户更改各种视觉提示。
        //系统为创建前台窗口的线程分配的优先级略高于其他线程。
        [DllImport("user32.dll", EntryPoint = "SetForegroundWindow")]
        public static extern bool SetForegroundWindow(IntPtr hWnd);

        //设置此窗体为活动窗体：
        //激活窗口。窗口必须附加到调用线程的消息队列。
        [DllImport("user32.dll", EntryPoint = "SetActiveWindow")]
        public static extern IntPtr SetActiveWindow(IntPtr hWnd);

        //设置窗体位置
        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        private static extern int SetWindowPos(IntPtr hWnd, int hWndInsertAfter, int x, int y, int Width, int Height, int flags);

        EButtonType btnResult = EButtonType.None;
        public EButtonType ShowMessage(EButtonType eButtonType,string _cnContent,string _enContent,string title="",bool bWait=true)
        {
            cnContent = _cnContent;
            enContent = _enContent;
            if(!string.IsNullOrEmpty(title))
            {
                this.HeadText= title;
            }
            this.lblContent.Text= cnContent;
            //遍历
            string[] buttons = Enum.GetNames(typeof(EButtonType));
            foreach (string button in buttons.Reverse())
            {
                EButtonType bt = (EButtonType)Enum.Parse(typeof(EButtonType), button);
                if (eButtonType.HasFlag(bt))
                {
                    Panel p = new Panel();
                    p.Size = new Size(120, 30);
                    p.Padding = new Padding(5);
                    p.Dock = DockStyle.Right;
                    //p.BackColor = Color.Red;
                    switch (button)
                    {
                        case "Ok":
                            btnOk.Dock = DockStyle.Fill;
                            p.Controls.Add(btnOk);
                            break;
                        case "Cancel":
                            btnCancel.Dock = DockStyle.Fill;
                            p.Controls.Add(btnCancel);
                            break;
                        case "EndInput":
                            btnEndInput.Dock = DockStyle.Fill;
                            p.Controls.Add(btnEndInput);
                            break;
                        case "Retry":
                            btnRetry.Dock = DockStyle.Fill;
                            p.Controls.Add(btnRetry);
                            break;
                        case "Skip":
                            btnSkip.Dock = DockStyle.Fill;
                            p.Controls.Add(btnSkip);
                            break;
                        case "Recheck":
                            btnRecheck.Dock = DockStyle.Fill;
                            p.Controls.Add(btnRecheck);
                            break;
                        case "None":
                            this.panelBottom.Visible = false;
                            break;
                        default:
                            break;
                    }
                    panelBottom.Controls.Add(p);
                }
            }
            // 设置窗体显示在最上层
            SetWindowPos(this.Handle, -1, 0, 0, 0, 0, 0x0001 | 0x0002 | 0x0010 | 0x0080);
            // 设置本窗体为活动窗体
            SetActiveWindow(this.Handle);
            SetForegroundWindow(this.Handle);
            this.TopMost = true;

            this.StartPosition = FormStartPosition.CenterScreen;
            if (bWait)
                this.ShowDialog();
            else
                this.Show();
            //this.Show();
            return btnResult;

        }

        private void lblContent_Paint(object sender, PaintEventArgs e)
        {
            int LineDistance = 8;//行间距
            System.Windows.Forms.Label label = sender as System.Windows.Forms.Label;
            System.Drawing.Font drawFont = label.Font;
            label.AutoSize = false;
            SolidBrush drawBrush = new SolidBrush(label.ForeColor);
            Graphics g = e.Graphics;
            g.Clear(label.BackColor);
            StringFormat drawFormat = new StringFormat();
            string[] arrDrawString = label.Text.Split(new char[] { '\n' });

            int height = 0;
            foreach (string str in arrDrawString)
            {
                //文本的矩形区域大小
                SizeF textSize = g.MeasureString(str, label.Font);

                //计算行数
                int strLineCount = Convert.ToInt32(Math.Ceiling(textSize.Width / label.Width));


                height += Convert.ToInt16((textSize.Height + LineDistance) * strLineCount);
            }

            label.Height = height;   //计算调整后的高度
            float netTextPos_Y = 0;   // 下一行的位置
            foreach (string drawString in arrDrawString)
            {
                bool drawText = false;
                int strLenght = 1;   // 长度
                int startIndex = 0;  // 开始位置
                for (int i = 0; i < drawString.Length; i++, strLenght++)
                {
                    string subN = drawString.Substring(startIndex, strLenght);
                    if (startIndex + strLenght >= drawString.Length)
                    {
                        drawText = true;
                    }
                    else
                    {
                        string subN1 = drawString.Substring(startIndex, strLenght + 1);
                        if (g.MeasureString(subN, label.Font).Width <= label.Width && g.MeasureString(subN1, label.Font).Width > label.Width)
                        {
                            drawText = true;
                        }
                    }
                    if (drawText)
                    {
                        drawText = false;
                        strLenght = 0;
                        startIndex = i + 1;
                        SizeF textSize = g.MeasureString(subN, label.Font);
                        e.Graphics.DrawString(subN, drawFont, drawBrush, 0, netTextPos_Y, drawFormat);
                        netTextPos_Y = netTextPos_Y + textSize.Height + LineDistance;
                    }
                }
            }
        }

        public void ReloadLanguage()
        {
            string lang = Properties.Settings.Default.DefaultLanguage;
            if (lang == "zh-CN")
            {
                lblContent.Text = cnContent;
            }
            else
            {
                lblContent.Text = enContent;
            }
        }
    }
}