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 PaintDotNet.ImageCollect;
using PaintDotNet.Base.SettingModel;
using PaintDotNet.Camera;
using PaintDotNet.Base.CommTool;
using System.IO;
using Metis.Setting;
using PaintDotNet.Setting;
using System.Runtime.InteropServices;
using System.Threading;

namespace PaintDotNet.Preview2
{
    internal partial class Preview2SettingDialog : FloatingToolForm
    {
        private ExposureSbControl _exposureControl;
        private WhiteBalanceControl _wbControl;
        private GrayModeControl _grayModeControl;
        private SaturationControl _saturationControl;
        private FrameControl _frameControl;
        private OtherControl _otherControl;
        private RotateControl _rotateControl;
        private DisplayControl _displayControl;
        private AppWorkspace _app;
        private ICamera m_carmera => CameraManager.CurrentCamera;

        internal Preview2SettingDialog(DocumentWorkspaceWindow doc)
        {
            InitializeComponent();
            InitializeLanguageText();
            _app = (AppWorkspace)doc.AppWorkspaceTop;
            toolkitEditControlL.Initialize((AppWorkspace)doc.AppWorkspaceTop, Preview2Context.ToolbarModelLeft);
            toolkitEditControlR.Initialize((AppWorkspace)doc.AppWorkspaceTop, Preview2Context.ToolbarModelRight);
            foreach (TabPage item in metroTabControl1.TabPages)
            {
                //  item.Padding = new Padding(2);
                // item.BackColor = Color.Transparent;
            }
            InitializePageCamera();
            InitializeImages();
            InitializePageImage();
            InitializePreview2Config();
            this.Load += Preview2SettingDialog_Load;
        }
        private void InitializeLanguageText()
        {
            this.btnCamRefresh.Text = PdnResources.GetString("Preview2Setting.SaveCurrentConfig");
            this.btnSave.Text = PdnResources.GetString("Preview2Setting.SaveCurrentConfig");
            this.btnAdd.Text = PdnResources.GetString("Preview2Setting.AddAndSaveConfig");
            this.btnDel.Text = PdnResources.GetString("Preview2Setting.DeleteCurrentConfig");
            this.label2.Text = PdnResources.GetString("Preview2Setting.SelectConfig") + ":";
            this.label1.Text = PdnResources.GetString("Preview2Setting.SelectCamera") + ":";
            this.tabPageCamera.Text = PdnResources.GetString("Menu.ImageCollection.CameraSetting.Text");
            this.tabPageImage.Text = PdnResources.GetString("Preview2Setting.ImgSettings");
            this.tbgBase.Text = PdnResources.GetString("Menu.BasicSettings.text");
            this.groupBox2.Text = PdnResources.GetString("Menu.Tools.GridLine.Text");
            this.btnCross.Text = PdnResources.GetString("Menu.imagecapture.Previewwindow.reticle.text");
            this.btnCircle.Text = PdnResources.GetString("Menu.circular.Text");
            this.btnRect.Text = PdnResources.GetString("Menu.LabelAction.DrawRectangle.Text");
            this.btnGrid.Text = PdnResources.GetString("Menu.Tools.GridLine.Text");
            this.groupBox1.Text = PdnResources.GetString("Menu.BasicSettings.text");
            this.btnGridSet.Text = PdnResources.GetString("Menu.Setting.GridSetting.Text");
            this.btnRulerSet.Text = PdnResources.GetString("Menu.Setting.RuleSetting.Text");
            this.label3.Text = PdnResources.GetString("Preview2Setting.CameraAlias") + ":";
            this.ckbCapFocus.Text = PdnResources.GetString("Preview2Setting.AuxiliaryFocusing");
            this.ckbCapRuler.Text = PdnResources.GetString("Menu.imagecapture.Previewwindow.Shootingruler.text");
            this.ckbCapClose.Text = PdnResources.GetString("Preview2Setting.ClosePictures");
            this.tabPage4.Text = PdnResources.GetString("Preview2Setting.Sidebar");
            this.groupBox4.Text = PdnResources.GetString("Preview2Setting.SidebarPosition");
            this.rdbR.Text = PdnResources.GetString("Preview2Setting.Right");
            this.rdbL.Text = PdnResources.GetString("Preview2Setting.Left");
            this.label5.Text = PdnResources.GetString("Preview2Setting.Left");
            this.label4.Text = PdnResources.GetString("Preview2Setting.SidebarDisplay") + ":";
            this.ckbR.Text = PdnResources.GetString("Preview2Setting.Right");
            this.ckbL.Text = PdnResources.GetString("Preview2Setting.Left");
            this.Text = PdnResources.GetString("Preview2Setting.PreviewConfig");
        }
        void InitializePageCamera()
        {
            var pg = tabPageCamera;

            _exposureControl = new ExposureSbControl();
            _exposureControl.Dock = DockStyle.Top;

            _wbControl = new WhiteBalanceControl();
            _wbControl.Dock = DockStyle.Top;

            _grayModeControl = new GrayModeControl();
            _grayModeControl.Dock = DockStyle.Top;

            _saturationControl = new SaturationControl();
            _saturationControl.Dock = DockStyle.Top;

            _frameControl = new FrameControl();
            _frameControl.Dock = DockStyle.Top;

            pg.Controls.Add(_frameControl);
            pg.Controls.Add(_saturationControl);
            pg.Controls.Add(_wbControl);
            pg.Controls.Add(_grayModeControl);
            pg.Controls.Add(_exposureControl);
        }

        void InitializePageImage()
        {
            _rotateControl = new RotateControl();
            _rotateControl.Dock = DockStyle.Top;
            _rotateControl.OnRotated += () => { _frameControl?.Transfor(); };

            _otherControl = new OtherControl();
            _otherControl.Dock = DockStyle.Top;

            _displayControl = new DisplayControl();
            _displayControl.Dock = DockStyle.Top;

            tabPageImage.Controls.Add(_displayControl);
            tabPageImage.Controls.Add(_otherControl);
            tabPageImage.Controls.Add(_rotateControl);
        }

        void InitializeImages()
        {
            btnAdd.Image = PdnResources.GetImageResource("Icons.p2add.png").Reference;
            btnDel.Image = PdnResources.GetImageResource("Icons.p2delet.png").Reference;
            btnSave.Image = PdnResources.GetImageResource("Icons.p2save.png").Reference;
            btnCamRefresh.Image = PdnResources.GetImageResource("Icons.p2camrefresh.png").Reference;

        }

        string _cameraNameEx;
        void InitializePreview2Config()
        {
            ckbCapClose.Checked = Preview2Context.P2Config.CaptureClose;
            ckbCapFocus.Checked = Preview2Context.P2Config.CaptureFocus;
            ckbCapRuler.Checked = Preview2Context.P2Config.CaptureRuler;

            ckbL.Checked = (Preview2Context.P2Config.ToolkitSide & 1) > 0;
            ckbR.Checked = (Preview2Context.P2Config.ToolkitSide & 2) > 0;

            BtnCheckChange(btnGrid, Preview2Context.P2Config.DrawGrid);
            BtnCheckChange(btnRect, Preview2Context.P2Config.DrawRect);
            BtnCheckChange(btnCircle, Preview2Context.P2Config.DrawCircle);
            BtnCheckChange(btnCross, Preview2Context.P2Config.DrawCross);
        }

        private void Preview2SettingDialog_Load(object sender, EventArgs e)
        {
            TopMost = false;
            List<string> fileNames = CameraConfigs.GetInstance().GetAllConfigFiles();
            cmbConfig.Items.AddRange(fileNames.ToArray());
            UpdateCamList();

            InitCameraSettings();
            timer1.Enabled = true;
            this.cmbConfig.SelectedIndexChanged += new System.EventHandler(this.cmbConfig_SelectedIndexChanged);
            OnCameraNameChanged();
            UpdateConfigOnCameraChanged();
            ConfigModel.OnCameraNameExChanged += OnCameraNameChanged;
            CameraManager.OnCameraDrop += OnCameraDrop;
        }

        private void OnCameraDrop()
        {
            UpdateCamList();
        }

        private void OnCameraNameChanged()
        {
            txbNameEx.Text = m_carmera.GetExofName();
        }

        private void InitCameraSettings()
        {
            _exposureControl.Initialize();
            _wbControl.Initialize();
            _saturationControl.Initialize();
            _frameControl.Initialize();
            _rotateControl.Initialize();
            _otherControl.Initialize();
            _grayModeControl.Initialize();
        }

        private void UpdateCameraSettings()
        {
            _exposureControl.UpdateSettings();
            _wbControl.Initialize();
            _saturationControl.UpdateSettings();
            _frameControl.UpdateSettings();
            _rotateControl.Initialize();
            _otherControl.UpdateSettings();
            _grayModeControl.Initialize();
        }


        private void timer1_Tick(object sender, EventArgs e)
        {
            metroTabControl1.Enabled = CameraManager.IsLive;

            if (!CameraManager.IsLive) return;

            _exposureControl.UpdateDisplay();
            _wbControl.UpdateDisplay();
            var isgay = CameraConfigs.Settings.Monochromatic == 0;
            _wbControl.Enabled = isgay;
            _saturationControl.Enabled = isgay;

            btnAdd.Enabled = !cmbConfig.Items.Contains(cmbConfig.Text);
            btnDel.Enabled = cmbConfig.Items.Contains(cmbConfig.Text) && cmbConfig.Text != "CameraParam";
        }

        #region  Draw Grid
        public static event Action OnDrawGridChanged;

        private void BtnCheckChange(Button btn, bool b)
        {
            btn.FlatStyle = FlatStyle.Flat;
            btn.BackColor = b ? Color.FromArgb(0, 174, 219) : SystemColors.Control;
        }

        private void btnGrid_Click(object sender, EventArgs e)
        {
            Preview2Context.P2Config.DrawGrid = !Preview2Context.P2Config.DrawGrid;
            BtnCheckChange(btnGrid, Preview2Context.P2Config.DrawGrid);
            OnDrawGridChanged?.Invoke();
        }

        private void btnRect_Click(object sender, EventArgs e)
        {
            Preview2Context.P2Config.DrawRect = !Preview2Context.P2Config.DrawRect;
            BtnCheckChange(btnRect, Preview2Context.P2Config.DrawRect);
            OnDrawGridChanged?.Invoke();
        }

        private void btnCircle_Click(object sender, EventArgs e)
        {
            Preview2Context.P2Config.DrawCircle = !Preview2Context.P2Config.DrawCircle;
            BtnCheckChange(btnCircle, Preview2Context.P2Config.DrawCircle);
            OnDrawGridChanged?.Invoke();
        }

        private void btnCross_Click(object sender, EventArgs e)
        {
            Preview2Context.P2Config.DrawCross = !Preview2Context.P2Config.DrawCross;
            BtnCheckChange(btnCross, Preview2Context.P2Config.DrawCross);
            OnDrawGridChanged?.Invoke();
        }
        #endregion

        #region Config operate
        private void cmbConfig_SelectedIndexChanged(object sender, EventArgs e)
        {
            var name = cmbConfig.Text;
            var cpm = CameraConfigs.GetInstance().GetCameraParamModel(name);
            OnConfigModify?.Invoke(0, name);
            Startup.instance.cameraParamModel = cpm;
            Startup.instance.configModel.CameraConfig = name;
            SaveConfigModel();
            CameraConfigs.GetInstance().CameraParamInit();
            UpdateCameraSettings();
            Preview2Context.P2Config.SetCamCfg(m_carmera, (string)cmbConfig.SelectedItem);
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            CameraConfigs.GetInstance().Save();
        }

        /// <summary>
        /// 参数1[ int]：0选择，1添加，2删除     参数2[string]:变更参数名
        /// </summary>
        public Action<int, string> OnConfigModify;

        private void btnAdd_Click(object sender, EventArgs e)
        {
            btnAdd.Enabled = false;
            CameraConfigs.GetInstance().SaveAs(cmbConfig.Text);
            cmbConfig.Items.Add(cmbConfig.Text);
            cmbConfig.Refresh();
            OnConfigModify?.Invoke(1, cmbConfig.Text);
        }

        private void btnDel_Click(object sender, EventArgs e)
        {
            var name = cmbConfig.Text;
            if (name == "CameraParam")
                return;
            OnConfigModify?.Invoke(2, name);

            CameraConfigs.GetInstance().Delete(name);
            cmbConfig.Items.Remove(name);
            cmbConfig.SelectedItem = "CameraParam";
        }
        #endregion

        private void cmbConfig_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                if (cmbConfig.Items.Contains(cmbConfig.Text)) return;
                btnAdd.Enabled = true;
            }
        }

        private void SaveConfigModel()
        {
            string configXml = XmlSerializeHelper.XmlSerialize<ConfigModel>(Startup.instance.configModel);
            string filePath = Application.StartupPath + "\\Config\\" + Startup.instance.SettingPrefix + "\\Config.xml";
            FileOperationHelper.WriteStringToFile(configXml, filePath, FileMode.Create);
        }

        private void Preview2SettingDialog_FormClosing(object sender, FormClosingEventArgs e)
        {
            Preview2Context.SaveP2Config();
            SaveConfigModel();
            ConfigModel.OnCameraNameExChanged -= OnCameraNameChanged;
            CameraManager.OnCameraDrop -= OnCameraDrop;
        }

        private void ckbCapClose_Click(object sender, EventArgs e)
        {
            Preview2Context.P2Config.CaptureClose = ckbCapClose.Checked;
        }

        private void ckbCapRuler_Click(object sender, EventArgs e)
        {
            Preview2Context.P2Config.CaptureRuler = ckbCapRuler.Checked;
        }

        private void ckbCapFocus_Click(object sender, EventArgs e)
        {
            Preview2Context.P2Config.CaptureFocus = ckbCapFocus.Checked;
        }

        public static event Action OnToolkitSideChanged;

        private void ToolkitsideChanged_Click(object sender, EventArgs e)
        {
            var value = 0;
            if (ckbL.Checked)
            {
                value += 1;
            }
            if (ckbR.Checked)
            {
                value += 2;
            }
            Preview2Context.P2Config.ToolkitSide = value;
            OnToolkitSideChanged?.Invoke();
        }

        private void txbNameEx_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                m_carmera.SetExofName(txbNameEx.Text);
                ConfigModel.OnCameraNameExChanged.Invoke();
            }
        }

        private void cmbCamera_SelectedIndexChanged(object sender, EventArgs e)
        {
            try
            {
                CameraManager.GetInstance().SetCurrentCamera(cmbCamera.SelectedIndex);
                ConfigModel.OnCameraNameExChanged.Invoke();
                UpdateConfigOnCameraChanged();
                if (!CameraManager.CurrentCamera.IsOpen())
                    throw new Exception();
            }
            catch
            {
                MessageBox.Show("相机已失效，请检查相机连接。");
            }
        }
        private void UpdateConfigOnCameraChanged()
        {
            var name = Preview2Context.P2Config.GetCamCfg(m_carmera);
            if (cmbConfig.Items.Contains(name))
                cmbConfig.SelectedItem = name;
            else
                cmbConfig.SelectedItem = CommonDefine.DefaultCamCfg;
        }

        private void ToolkitEditSelect_Click(object sender, EventArgs e)
        {
            toolkitEditControlL.Visible = rdbL.Checked;
            toolkitEditControlR.Visible = rdbR.Checked;
        }

        /// <summary>
        /// 跟随父窗体移动
        /// </summary>
        internal void FormMove(int x, int y)
        {
            x = this.Location.X + x;
            y = this.Location.Y + y;

            x = Math.Max(0, x);
            y = Math.Max(0, y);

            var screen = Screen.GetWorkingArea(this);
            if (x + Width > screen.Width)
                x = screen.Width - Width;
            if (y + Height > screen.Height)
                y = screen.Height - Height;

            Location = new Point(x, y);
        }

        private void btnGridSet_Click(object sender, EventArgs e)
        {
            using (GridSettingForm af = new GridSettingForm(_app))
            {
                af.StartPosition = FormStartPosition.CenterScreen;
                af.ShowDialog(_app);
            }
        }

        private void btnRulerSet_Click(object sender, EventArgs e)
        {
            using (RulerSettingDialog af = new RulerSettingDialog(_app))
            {
                af.StartPosition = FormStartPosition.CenterScreen;
                af.ShowDialog(_app);
            }
        }

        #region 防止
        private Point _mouseDownPos;
        private bool _move;
        protected override void WndProc(ref Message m)
        {
            RECT nativeRect;
            switch (m.Msg)
            {
                case 0x20:
                    int lp = m.LParam.ToInt32();
                    if ((lp & 0xFFFF) == 2 &&
                    ((lp >> 0x10) & 0xFFFF) == 0x201)
                    {
                        _mouseDownPos = Control.MousePosition;
                        _move = true;
                    }
                    break;
                case 0x231:
                    if (_move)
                    {
                        Rectangle rect = Screen.GetWorkingArea(this);
                        nativeRect = new RECT(
                         _mouseDownPos.X - Location.X,
                         _mouseDownPos.Y - Location.Y,
                         rect.Right - (Bounds.Right - _mouseDownPos.X),
                         rect.Bottom - (Bounds.Bottom - _mouseDownPos.Y));
                        ClipCursor(ref nativeRect);
                    }
                    break;
                case 0x0232:
                    if (_move)
                    {
                        nativeRect = new RECT(Screen.GetWorkingArea(this));
                        //ClipCursor(ref nativeRect);
                        _move = false;
                    }
                    break;
            }
            base.WndProc(ref m);
        }
        [DllImport("user32.dll")]
        public static extern bool ClipCursor(ref RECT lpRect);
        [StructLayout(LayoutKind.Sequential)]
        public struct RECT
        {
            public int Left;
            public int Top;
            public int Right;
            public int Bottom;
            public RECT(int left, int top, int right, int bottom)
            {
                Left = left;
                Top = top;
                Right = right;
                Bottom = bottom;
            }
            public RECT(Rectangle rect)
            {
                Left = rect.Left;
                Top = rect.Top;
                Right = rect.Right;
                Bottom = rect.Bottom;
            }
            public Rectangle Rect
            {
                get
                {
                    return new Rectangle(
                    Left,
                    Top,
                    Right - Left,
                    Bottom - Top);
                }
            }
            public Size Size
            {
                get
                {
                    return new Size(Right - Left, Bottom - Top);
                }
            }
            public static RECT FromXYWH(int x, int y, int width, int height)
            {
                return new RECT(x,
                  y,
                  x + width,
                  y + height);
            }
            public static RECT FromRectangle(Rectangle rect)
            {
                return new RECT(rect.Left,
                   rect.Top,
                   rect.Right,
                   rect.Bottom);
            }
        }
        #endregion

        private void btnCamRefresh_Click(object sender, EventArgs e)
        {
            new MessageDailog()
            {
                Title = "重载相机列表",
                Message = "重新连接相机程序将进入挂起状态，持续10s左右，是否继续？",
                Message1 = "正在重连相机请稍后...",
                Handler = () =>
                {
                    CameraManager.GetInstance().UnInitManager();
                    CameraManager.GetInstance().InitManager();
                    btnCamRefresh.Enabled = true;
                    UpdateCamList();
                }
            }.ShowDialog();
        }

        private void UpdateCamList()
        {
            cmbCamera.Items.Clear();
            cmbCamera.Items.AddRange(CameraManager.GetInstance().GetCameraNameList().ToArray());
            var str = m_carmera.GetName();
            if (!string.IsNullOrWhiteSpace(str)) cmbCamera.SelectedItem = str;

        }
    }
}