using System.IO;

namespace DualScreenDemo
{
    public partial class PrimaryForm
    {
        private PictureBox pictureBoxWordCountSingers;
        private Button modifyButtonWordCountSingers;
        private Button clearButtonWordCountSingers;
        private Button closeButtonWordCountSingers;
        private Button enterButtonWordCountSingers;
        private string[] numberWordCountSymbols=["1","2","3","4","5","6","7","8","9","0"];        
        private RichTextBox inputBoxWordCountSingers;


        // 初始化
        private void InitializeButtonsForWordCountSingers()
        {
            // 初始化所有語音按鈕
            InitializeNumberWordCountSongsButtons(pictureBoxWordCountSingers, NumberWordCountButton_Click);
            // 初始化注音歌手的輸入框
            InitializeInputBoxWordCountSingers();
            // 初始化下排功能按鈕
            InitializeSingerWordButton();
        }


        private void InitializeSingerWordButton()
        {
            // 加載配置數據
            var data = LoadBtnConfigData();
            
            // 初始化「清除」按鈕
            clearButtonWordCountSingers = new Button { Name = "btnClearWordCountSingers" };
            ConfigureButton(clearButtonWordCountSingers, 55, 274, 72, 67,
                new Bitmap(Path.Combine(serverPath, data["ClearButtonImagesWordCount"]["normal"])),
                new Bitmap(Path.Combine(serverPath, data["ClearButtonImagesWordCount"]["mouseOver"])),
                new Bitmap(Path.Combine(serverPath, data["ClearButtonImagesWordCount"]["mouseDown"])),
                ClearButtonWordCountSingers_Click);

            pictureBoxWordCountSingers.Controls.Add(clearButtonWordCountSingers);

            // 初始化「重填」按鈕
            modifyButtonWordCountSingers = new Button { Name = "btnModifyWordCountSingers" };
            ConfigureButton(modifyButtonWordCountSingers, 136, 274, 72, 67,
                new Bitmap(Path.Combine(serverPath, data["ModifyButtonImagesWordCount"]["normal"])),
                new Bitmap(Path.Combine(serverPath, data["ModifyButtonImagesWordCount"]["mouseOver"])),
                new Bitmap(Path.Combine(serverPath, data["ModifyButtonImagesWordCount"]["mouseDown"])),
                ModifyButtonWordCountSingers_Click);

            pictureBoxWordCountSingers.Controls.Add(modifyButtonWordCountSingers);

            // 初始化「確認」按鈕
            enterButtonWordCountSingers = new Button { Name = "btnEnterWordCountSingers" };
            ConfigureButton(enterButtonWordCountSingers, 217, 274, 72, 67,
                new Bitmap(Path.Combine(serverPath, data["EnterButtonImagesWordCount"]["normal"])),
                new Bitmap(Path.Combine(serverPath, data["EnterButtonImagesWordCount"]["mouseOver"])),
                new Bitmap(Path.Combine(serverPath, data["EnterButtonImagesWordCount"]["mouseDown"])),
                (sender, e) => FindWordCountSingers());

            pictureBoxWordCountSingers.Controls.Add(enterButtonWordCountSingers);

            // 初始化「關閉」按鈕
            closeButtonWordCountSingers = new Button { Name = "btnCloseWordCountSingers" };
            ConfigureButton(closeButtonWordCountSingers, 298, 274, 72, 67,
                new Bitmap(Path.Combine(serverPath, data["CloseButtonImagesWordCount"]["normal"])),
                new Bitmap(Path.Combine(serverPath, data["CloseButtonImagesWordCount"]["mouseOver"])),
                new Bitmap(Path.Combine(serverPath, data["CloseButtonImagesWordCount"]["mouseDown"])),
                CloseButtonWordCountSingers_Click);

            pictureBoxWordCountSingers.Controls.Add(closeButtonWordCountSingers);
        }

        private void InitializeInputBoxWordCountSingers()
        {
            try
            {
                // 創建一個 RichTextBox 控件來作為輸入框
                inputBoxWordCountSingers = new RichTextBox
                {
                    Name = "inputBoxWordCountSingers",
                    ForeColor = Color.Black,  // 設定文字顏色
                    Font = new Font("Times New Roman", 26, FontStyle.Regular),  // 設定字體樣式
                    ScrollBars = RichTextBoxScrollBars.None  // 不顯示滾動條
                };

                // 調整和定位輸入框的位置及大小
                ResizeAndPositionControl(inputBoxWordCountSingers, 10, 55, 400, 60);
                // 將輸入框加入到窗體的控件集合中
                pictureBoxWordCountSingers.Controls.Add(inputBoxWordCountSingers);
            }
            catch (Exception ex)
            {
                // 如果初始化過程中出現錯誤，則在控制台輸出錯誤信息
                Console.WriteLine("Error initializing inputBoxWordCountSingers: " + ex.Message);
            }
        }

        // 顯示圖片並根據配置文件設置顯示區域的大小和位置。
        private void ShowImageOnPictureBoxWordCountSingers(string imagePath)
        {
            // 加載原始圖片
            Bitmap originalImage = new Bitmap(imagePath);

            // 設置圖片到 PictureBox
            pictureBoxWordCountSingers.Image = originalImage;

            // 調整 PictureBox 大小和位置
            ResizeAndPositionPictureBox(pictureBoxWordCountSingers, 778, 366, 420, 350);
            // 顯示圖片
            pictureBoxWordCountSingers.Visible = true;
        }

        // 設置注音歌手相關控制項（包括圖片框、按鈕和輸入框）的顯示或隱藏狀態。
        // <param name="isVisible">指定控件是否可見。True 為顯示，False 為隱藏。</param>
        private void SetWordCountSingersAndButtonsVisibility(bool isVisible)
        {
            // 定義一個動作來處理控制項的顯示或隱藏
            System.Action action = () =>
            {
                try
                {
                    // 暫停控制項佈局的重新排版，提高效率
                    SuspendLayout();
                    if (isVisible) SetUIVisible(pictureBoxWordCountSingers);
                    else CloseUI(pictureBoxWordCountSingers);
                }
                catch (Exception ex)
                {
                    Console.WriteLine("Error in SetWordCountSingersAndButtonsVisibility: " + ex.Message);
                }
            };

            // 檢查是否需要在主執行緒外執行
            if (this.InvokeRequired)
            {
                this.Invoke(action);  // 如果需要，透過主執行緒執行
            }
            else
            {
                action();  // 否則直接執行
            }
        }

        #region 按鈕點擊事件
        private void WordCountSearchSingersButton_Click(object sender, EventArgs e)
        {
            // 設定按鈕背景，將「字數搜尋」設為啟動狀態，其餘按鈕恢復為正常狀態
            UpdateSSearchBtn(wordCountSearchButton, wordCountSearchActiveBackground);
            // 載入設定檔，取得圖片路徑資訊
            var configData = LoadBtnConfigData();
            
            // 取得「字數歌手圖片」的完整路徑
            string imagePath = Path.Combine(serverPath, configData["ImagePaths"]["WordCountSingers"]);

            // 在 PictureBox 中顯示對應的「字數歌手」圖片
            ShowImageOnPictureBoxWordCountSingers(Path.Combine(serverPath, imagePath));

            // 設定不同搜尋模式的 UI 控件可見性
            SetZhuYinSingersAndButtonsVisibility(false);      // 隱藏注音搜尋相關控件
            SetEnglishSingersAndButtonsVisibility(false);     // 隱藏英文字母搜尋相關控件
            SetPinYinSingersAndButtonsVisibility(false);      // 隱藏拼音搜尋相關控件
            SetHandWritingForSingersAndButtonsVisibility(false); // 隱藏手寫搜尋相關控件

            //SetPictureBoxArtistSearchAndButtonsVisibility(false); // 隱藏其他搜尋模式的圖片框
            SetWordCountSingersAndButtonsVisibility(true);       // 顯示字數搜尋相關控件
            ResetinputBox();            
            // 顯示「字數歌手搜尋」的圖片框
            pictureBoxWordCountSingers.Visible = true;
        }

        private void ModifyButtonWordCountSingers_Click(object sender, EventArgs e)
        {
            // 如果輸入框不為空，且包含輸入內容，則刪除最後一個字符
            if (pictureBoxWordCountSingers.Controls.Contains(inputBoxWordCountSingers) && inputBoxWordCountSingers.Text.Length > 0)
            {
                inputBoxWordCountSingers.Text = inputBoxWordCountSingers.Text.Substring(0, inputBoxWordCountSingers.Text.Length - 1);
            }
        }


        private void ClearButtonWordCountSingers_Click(object sender, EventArgs e)
        {
            // 如果輸入框不為空，則清空該框的文本內容
            if (pictureBoxWordCountSingers.Controls.Contains(inputBoxWordCountSingers) && inputBoxWordCountSingers.Text.Length > 0)
            {
                inputBoxWordCountSingers.Text = "";
            }
        }

        private void CloseButtonWordCountSingers_Click(object sender, EventArgs e)
        {
            // 隱藏 WordCount 歌手圖片框
            pictureBoxWordCountSingers.Visible = false;
            wordCountSearchButton.BackgroundImage = wordCountSearchNormalBackground;
            // 隱藏與 WordCount 歌手相關的所有按鈕
            SetWordCountSingersAndButtonsVisibility(false);
        }

        private void FindWordCountSingers(){
            string searchText = inputBoxWordCountSingers.Text; // 取得輸入內容
            if (int.TryParse(searchText, out int length))
            {   
                //var searchResults = allArtists.Where(artist => artist.Name.Length == length).ToList();  
                string query = $"SELECT * FROM artists WHERE CHAR_LENGTH(name) = {length} ;";
                var searchResults = SearchSingers_Mysql(query);  
                // 設定當前頁數為 0，並加載搜索結果
                currentPage = 0;
                currentArtistList = searchResults;
                totalPages = (int)Math.Ceiling((double)searchResults.Count / itemsPerPage);
                
                multiPagePanel.currentPageIndex = 0;
                multiPagePanel.LoadSingers(currentArtistList);
            }
        }

        private void NumberWordCountButton_Click(object sender, EventArgs e)
        {
            var button = sender as Button;
            if (button != null && button.Tag != null)
            {

                if (inputBoxWordCountSingers.Visible)
                {
                    inputBoxWordCountSingers.Text += button.Tag.ToString();
                }
            }
        }
        #endregion
    }
}