using System.IO;
using Microsoft.Ink;

namespace DualScreenDemo
{
    public partial class PrimaryForm
    {
        private PictureBox pictureBoxHandWritingSingers;
        private Button refillButtonHandWritingSingers;
        private Button clearButtonHandWritingSingers;
        private Button closeButtonForSingers;
        private Panel handWritingPanelForSingers;
        private InkOverlay inkOverlayForSingers;
        private RichTextBox handwritingInputBoxForSingers;
        private ListBox candidateListBoxForSingers;


        private void InitializeHandWritingForSingers()
        {
            InitializeHandWritingPanelForSingers();
            InitializeInkOverlayForSingers();
            InitializeHandwritingInputBoxForSingers();
            InitializeCandidateListBoxForSingers();
            InitializeBtnsHandwritingSingers();
        }

        private void InitializeHandWritingPanelForSingers()
        {
            handWritingPanelForSingers = new Panel
            {
                BorderStyle = BorderStyle.FixedSingle,
                BackColor = Color.WhiteSmoke,
                Visible = false
            };
            ResizeAndPositionControl(handWritingPanelForSingers, 20, 89, 650, 260);

            pictureBoxHandWritingSingers.Controls.Add(handWritingPanelForSingers);
        }

        private void InitializeInkOverlayForSingers()
        {
            try
            {
                inkOverlayForSingers = new InkOverlay(handWritingPanelForSingers);
                inkOverlayForSingers.Enabled = false;
                inkOverlayForSingers.Ink = new Ink();
                inkOverlayForSingers.DefaultDrawingAttributes.Color = Color.Black;
                inkOverlayForSingers.DefaultDrawingAttributes.Width = 100;
                inkOverlayForSingers.Stroke += new InkCollectorStrokeEventHandler(InkOverlayForSingers_Stroke);

                inkOverlayForSingers.Enabled = true;
            }
            catch (Exception ex)
            {
                Console.WriteLine("Failed to initialize ink overlay for singers: " + ex.Message);
            }
        }

        private void InkOverlayForSingers_Stroke(object sender, InkCollectorStrokeEventArgs e)
        {

            RecognizeInk(inkOverlayForSingers, candidateListBoxForSingers);
        }

        private void InitializeHandwritingInputBoxForSingers()
        {

            handwritingInputBoxForSingers = new RichTextBox
            {
                Font = new Font("微軟正黑體", (float)26 / 900 * Screen.PrimaryScreen.Bounds.Height, FontStyle.Regular),
                Visible = false
            };
            ResizeAndPositionControl(handwritingInputBoxForSingers, 20, 12, 541, 64);
            pictureBoxHandWritingSingers.Controls.Add(handwritingInputBoxForSingers);


        }

        private void InitializeCandidateListBoxForSingers()
        {

            candidateListBoxForSingers = new ListBox
            {
                Font = new Font("微軟正黑體", (float)26 / 900 * Screen.PrimaryScreen.Bounds.Height, FontStyle.Regular),
                Visible = false
            };
            ResizeAndPositionControl(candidateListBoxForSingers, 675, 81, 115, 270);
            candidateListBoxForSingers.SelectedIndexChanged += CandidateListBoxForSingers_SelectedIndexChanged;
            pictureBoxHandWritingSingers.Controls.Add(candidateListBoxForSingers);
        }

        private void CandidateListBoxForSingers_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (candidateListBoxForSingers.SelectedIndex != -1)
            {
                string selectedWord = candidateListBoxForSingers.SelectedItem.ToString();
                handwritingInputBoxForSingers.Text += selectedWord;
                candidateListBoxForSingers.Visible = false;


                if (inkOverlayForSingers != null)
                {
                    inkOverlayForSingers.Ink.DeleteStrokes();
                    handWritingPanelForSingers.Invalidate();
                }
            }
        }

        private void ShowImageOnPictureBoxHandWritingSingers(string imagePath)
        {
            Bitmap originalImage = new Bitmap(imagePath);

            pictureBoxHandWritingSingers.Image = originalImage;

            ResizeAndPositionPictureBox(pictureBoxHandWritingSingers, 388, 355, 810, 360);

            pictureBoxHandWritingSingers.Visible = true;
        }

        private void SetHandWritingForSingersAndButtonsVisibility(bool isVisible)
        {
            EnableDoubleBuffering(handWritingPanelForSingers);
            EnableDoubleBuffering(handwritingInputBoxForSingers);
            EnableDoubleBuffering(candidateListBoxForSingers);
            EnableDoubleBuffering(pictureBoxHandWritingSingers);
            EnableDoubleBuffering(refillButtonHandWritingSingers);
            EnableDoubleBuffering(clearButtonHandWritingSingers);
            EnableDoubleBuffering(closeButtonForSingers);

            if (isVisible)SetUIVisible(pictureBoxHandWritingSingers);
            else CloseUI(pictureBoxHandWritingSingers);
        }
        private void InitializeBtnsHandwritingSingers()
        {
            var data = LoadBtnConfigData();

            refillButtonHandWritingSingers = new Button
            {
                Name = "refillButtonHandWritingSingers",
            };
            ConfigureButton(refillButtonHandWritingSingers, 565, 12, 72, 66,
                            new Bitmap(Path.Combine(serverPath, data["RefillButtonImagesHandWriting"]["normal"])),
                            new Bitmap(Path.Combine(serverPath, data["RefillButtonImagesHandWriting"]["mouseOver"])),
                            new Bitmap(Path.Combine(serverPath, data["RefillButtonImagesHandWriting"]["mouseDown"])),
                            RefillButtonHandWritingSingers_Click);
            pictureBoxHandWritingSingers.Controls.Add(refillButtonHandWritingSingers);

            clearButtonHandWritingSingers = new Button
            {
                Name = "clearButtonHandWritingSongs",
            };
            ConfigureButton(clearButtonHandWritingSingers, 642, 11, 72, 66,
                            new Bitmap(Path.Combine(serverPath, data["ClearButtonImagesHandWriting"]["normal"])),
                            new Bitmap(Path.Combine(serverPath, data["ClearButtonImagesHandWriting"]["mouseOver"])),
                            new Bitmap(Path.Combine(serverPath, data["ClearButtonImagesHandWriting"]["mouseDown"])),
                            ClearButtonHandWritingSingers_Click);
            pictureBoxHandWritingSingers.Controls.Add(clearButtonHandWritingSingers);


            closeButtonForSingers = new Button
            {
                Name = "closeButtonForSingers",
            };
            ConfigureButton(closeButtonForSingers, 719, 11, 72, 66,
                            new Bitmap(Path.Combine(serverPath, data["CloseButtonImagesHandWriting"]["normal"])),
                            new Bitmap(Path.Combine(serverPath, data["CloseButtonImagesHandWriting"]["mouseOver"])),
                            new Bitmap(Path.Combine(serverPath, data["CloseButtonImagesHandWriting"]["mouseDown"])),
                            CloseButtonForSingers_Click);
            pictureBoxHandWritingSingers.Controls.Add(closeButtonForSingers);
        }
        #region 按鈕點擊事件
        private void HandWritingSearchButtonForSingers_Click(object sender, EventArgs e)
        {
            this.SuspendLayout();

            UpdateSSearchBtn(handWritingSearchButton, handWritingSearchActiveBackground);

            EnableDoubleBuffering(handWritingPanelForSingers);
            EnableDoubleBuffering(handwritingInputBoxForSingers);
            EnableDoubleBuffering(candidateListBoxForSingers);
            EnableDoubleBuffering(pictureBoxHandWritingSingers);
            EnableDoubleBuffering(refillButtonHandWritingSingers);
            EnableDoubleBuffering(closeButtonForSingers);


            var configData = LoadBtnConfigData();
            string handWritingImagePath = Path.Combine(serverPath, configData["ImagePaths"]["HandWritingSingers"]);

            ShowImageOnPictureBoxHandWritingSingers(Path.Combine(serverPath, handWritingImagePath));
            SetZhuYinSingersAndButtonsVisibility(false);
            SetEnglishSingersAndButtonsVisibility(false);
            SetPinYinSingersAndButtonsVisibility(false);
            SetWordCountSingersAndButtonsVisibility(false);   // 隱藏字數搜尋相關控件
            //SetPictureBoxArtistSearchAndButtonsVisibility(false);
            SetHandWritingForSingersAndButtonsVisibility(true);

            ResetinputBox();
            this.ResumeLayout();
        }
        private void RefillButtonHandWritingSingers_Click(object sender, EventArgs e)
        {
            handwritingInputBoxForSingers.Text = "";
        }

        private void ClearButtonHandWritingSingers_Click(object sender, EventArgs e)
        {
            if (pictureBoxHandWritingSingers.Controls.Contains(handWritingPanelForSingers) && inkOverlayForSingers != null)
            {
                inkOverlayForSingers.Ink.DeleteStrokes();
                handWritingPanelForSingers.Invalidate();
            }
        }
        private void CloseButtonForSingers_Click(object sender, EventArgs e)
        {

            pictureBoxHandWritingSingers.SuspendLayout();

            SetHandWritingForSingersAndButtonsVisibility(false);
            handWritingSearchButton.BackgroundImage = handWritingSearchNormalBackground;
            FindHandwritingSingers();
            pictureBoxHandWritingSingers.ResumeLayout();
        }
        private void FindHandwritingSingers()
        {
            string searchText = handwritingInputBoxForSingers.Text;
            string query = string.IsNullOrWhiteSpace(searchText)
                ? "SELECT * FROM artists LIMIT 1000;"
                : $"SELECT * FROM artists WHERE `name` LIKE '{searchText}%';";
            //string query = $"SELECT * FROM ArtistLibrary WHERE `歌手姓名` LIKE '{searchText}%' ";
            var searchResults = SearchSingers_Mysql(query);

            currentPage = 0;
            currentArtistList = searchResults;
            totalPages = (int)Math.Ceiling((double)searchResults.Count / itemsPerPage);

            multiPagePanel.currentPageIndex = 0;
            multiPagePanel.LoadSingers(currentArtistList);
        }
        #endregion
    }
}