using System.IO;
using Microsoft.Ink;

namespace DualScreenDemo
{
    public partial class PrimaryForm
    {
        private PictureBox pictureBoxHandWritingSongs;
        private Button refillButtonHandWritingSongs;
        private Button clearButtonHandWritingSongs;
        private Button closeButtonForSongs;
        private Panel handWritingPanelForSongs;
        private InkOverlay inkOverlayForSongs;
        private RichTextBox handwritingInputBoxForSongs;
        private ListBox candidateListBoxForSongs;

        private void InitializeHandWritingForSongs()
        {
            InitializeHandWritingPanelForSongs();
            InitializeInkOverlayForSongs();
            InitializeHandwritingInputBoxForSongs();
            InitializeCandidateListBoxForSongs();
            InitializeBtnsHandwritingSongs();
        }

        private void InitializeHandWritingPanelForSongs()
        {
            handWritingPanelForSongs = new Panel
            {
                BorderStyle = BorderStyle.FixedSingle,
                BackColor = Color.WhiteSmoke,
                Visible = false
            };

            ResizeAndPositionControl(handWritingPanelForSongs, 20, 89, 650, 260);

            pictureBoxHandWritingSongs.Controls.Add(handWritingPanelForSongs);
        }

        private void InitializeInkOverlayForSongs()
        {
            try
            {
                inkOverlayForSongs = new InkOverlay(handWritingPanelForSongs);
                inkOverlayForSongs.Enabled = false;
                inkOverlayForSongs.Ink = new Ink();
                inkOverlayForSongs.DefaultDrawingAttributes.Color = Color.Black;
                inkOverlayForSongs.DefaultDrawingAttributes.Width = 100;
                inkOverlayForSongs.Stroke += new InkCollectorStrokeEventHandler(InkOverlayForSongs_Stroke);
                inkOverlayForSongs.Enabled = true;
            }
            catch (Exception ex)
            {
                Console.WriteLine("Failed to initialize ink overlay for singers: " + ex.Message);
            }
        }

        private void InkOverlayForSongs_Stroke(object sender, InkCollectorStrokeEventArgs e)
        {

            RecognizeInk(inkOverlayForSongs, candidateListBoxForSongs);
        }

        private void InitializeHandwritingInputBoxForSongs()
        {

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

        private void InitializeCandidateListBoxForSongs()
        {

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

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


                if (inkOverlayForSongs != null)
                {
                    inkOverlayForSongs.Ink.DeleteStrokes();
                    handWritingPanelForSongs.Invalidate();
                }
            }
        }

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

            pictureBoxHandWritingSongs.Image = originalImage;

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

            pictureBoxHandWritingSongs.Visible = true;
        }

        private void SetHandWritingForSongsAndButtonsVisibility(bool isVisible)
        {
            EnableDoubleBuffering(handWritingPanelForSongs);
            EnableDoubleBuffering(handwritingInputBoxForSongs);
            EnableDoubleBuffering(candidateListBoxForSongs);
            EnableDoubleBuffering(pictureBoxHandWritingSongs);
            EnableDoubleBuffering(refillButtonHandWritingSongs);
            EnableDoubleBuffering(clearButtonHandWritingSongs);
            EnableDoubleBuffering(closeButtonForSongs);

            if (isVisible)SetUIVisible(pictureBoxHandWritingSongs);
            else CloseUI(pictureBoxHandWritingSongs);
        }

        private void InitializeBtnsHandwritingSongs()
        {
            var data = LoadBtnConfigData();

            refillButtonHandWritingSongs = new Button
            {
                Name = "refillButtonHandWritingSongs",
            };
            ConfigureButton(refillButtonHandWritingSongs, 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"])),
                            RefillButtonHandWritingSongs_Click);
            pictureBoxHandWritingSongs.Controls.Add(refillButtonHandWritingSongs);

            clearButtonHandWritingSongs = new Button
            {
                Name = "clearButtonHandWritingSongs",
            };
            ConfigureButton(clearButtonHandWritingSongs, 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"])),
                            ClearButtonHandWritingSongs_Click);
            pictureBoxHandWritingSongs.Controls.Add(clearButtonHandWritingSongs);


            closeButtonForSongs = new Button
            {
                Name = "closeButtonForSongs",
            };
            ConfigureButton(closeButtonForSongs, 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"])),
                            CloseButtonForSongs_Click);
            pictureBoxHandWritingSongs.Controls.Add(closeButtonForSongs);
        }
        #region 按鈕點擊事件
        private void HandWritingSearchButtonForSongs_Click(object sender, EventArgs e)
        {
            this.SuspendLayout();

            zhuyinSearchSongButton.BackgroundImage = zhuyinSearchSongNormalBackground;
            englishSearchSongButton.BackgroundImage = englishSearchSongNormalBackground;
            pinyinSearchSongButton.BackgroundImage = pinyinSearchSongNormalBackground;
            wordCountSearchSongButton.BackgroundImage = wordCountSearchSongNormalBackground;
            handWritingSearchSongButton.BackgroundImage = handWritingSearchSongActiveBackground;
            numberSearchSongButton.BackgroundImage = numberSearchSongNormalBackground;


            EnableDoubleBuffering(handWritingPanelForSongs);
            EnableDoubleBuffering(handwritingInputBoxForSongs);
            EnableDoubleBuffering(candidateListBoxForSongs);
            EnableDoubleBuffering(pictureBoxHandWritingSongs);
            EnableDoubleBuffering(refillButtonHandWritingSongs);
            EnableDoubleBuffering(closeButtonForSongs);


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

            ShowImageOnPictureBoxHandWritingSongs(Path.Combine(serverPath, handWritingImagePath));

            // 鍵盤UI介面顯示設定
            SetWordCountSongsAndButtonsVisibility(false);
            SetEnglishSongsAndButtonsVisibility(false);
            SetPinYinSongsAndButtonsVisibility(false);
            SetHandWritingForSongsAndButtonsVisibility(true);
            SetSongIDSearchAndButtonsVisibility(false);
            SetZhuYinSongsAndButtonsVisibility(false);
                       
            ResetinputBox();
            this.ResumeLayout();
        }

        private void RefillButtonHandWritingSongs_Click(object sender, EventArgs e)
        {
            handwritingInputBoxForSongs.Text = "";
        }
        private void ClearButtonHandWritingSongs_Click(object sender, EventArgs e)
        {
            if (pictureBoxHandWritingSongs.Controls.Contains(handWritingPanelForSongs) && inkOverlayForSongs != null)
            {
                inkOverlayForSongs.Ink.DeleteStrokes();
                handWritingPanelForSongs.Invalidate();
            }
        }
        private void CloseButtonForSongs_Click(object sender, EventArgs e)
        {

            pictureBoxHandWritingSongs.SuspendLayout();
            handWritingSearchSongButton.BackgroundImage = handWritingSearchSongNormalBackground;
            SetHandWritingForSongsAndButtonsVisibility(false);
            FindHandwritingSongs();
            pictureBoxHandWritingSongs.ResumeLayout();
        }
        private void FindHandwritingSongs()
        {
            string searchText = handwritingInputBoxForSongs.Text;
            // 在這裡添加搜尋歌曲的邏輯
            // 例如：根據輸入框的內容搜尋歌曲
            string query = string.IsNullOrWhiteSpace(searchText)
                ? "SELECT * FROM song_library_cache ORDER BY song_id DESC LIMIT 1000;"
                : $"SELECT * FROM song_library_cache WHERE song_name LIKE '{searchText}%' ORDER BY song_name DESC;";

            var searchResults = SearchSongs_Mysql(query);
            // 重置分頁    
            currentPage = 0;
            totalPages = (int)Math.Ceiling((double)searchResults.Count / itemsPerPage);
            // 更新多頁面面板的內容
            multiPagePanel.currentPageIndex = 0;
            multiPagePanel.LoadSongs(searchResults);
        }
        #endregion
    }
}