using System;
using System.Collections.Generic;
using BarTender;
namespace linesider_screen_tool
{
    public class BartenderPrintHelper : IDisposable
    {
        private Application _btApp;
        private Format _btFormat;
        private bool _disposed = false;

        /// <summary>
        /// 初始化 Bartender 应用程序
        /// </summary>
        public BartenderPrintHelper()
        {
            try
            {
                _btApp = new Application();
            }
            catch (Exception ex)
            {
                throw new Exception("无法初始化 Bartender 应用程序。请确保 BarTender 已安装。", ex);
            }
        }

        /// <summary>
        /// 打印标签
        /// </summary>
        /// <param name="templatePath">标签模板路径</param>
        /// <param name="subStringValues">标签变量键值对</param>
        /// <param name="copies">打印份数</param>
        /// <param name="serializedLabels">序列化标签数量</param>
        /// <returns>是否打印成功</returns>
        public bool PrintLabel(string templatePath, Dictionary<string, string> subStringValues, int copies = 1, int serializedLabels = 1)
        {
            if (_disposed)
                throw new ObjectDisposedException("BartenderPrintHelper", "对象已被释放，不能执行打印操作。");

            try
            {
                
                Console.WriteLine("正在启动 BarTender...");

                // 2. 创建 BarTender 应用实例
                var btApp = new Application();

                // 3. 设置可见性（调试时建议开启）
                // btApp.Visible = false; // 设置为 true 可以看到 BarTender 界面
                Console.WriteLine("BarTender 启动成功！");

                // 4. 打开模板文件
                Console.WriteLine($"正在打开模板: {templatePath}");
                Format btFormat = btApp.Formats.Open(templatePath);

                Console.WriteLine("模板加载成功！");

                // 5. 设置打印份数
                btFormat.PrintSetup.NumberSerializedLabels = 1;
                // 6. 设置变量值（添加日志输出）
                Console.WriteLine("正在设置变量值...");
                foreach (var a in subStringValues)
                {
                    btFormat.SetNamedSubStringValue(a.Key, a.Value);
                }
                // 8. 执行打印
                Console.WriteLine("正在发送打印任务...");
                btFormat.PrintOut(false, false); // 不显示对话框，不等待打印完成
                Console.WriteLine("打印任务已发送！");

                // 9. 关闭模板
                btFormat.Close(BtSaveOptions.btDoNotSaveChanges);
                return true;
            }
            catch (Exception ex)
            {
                return false;
            }
        }

        /// <summary>
        /// 释放资源
        /// </summary>
        public void Dispose()
        {
            Dispose(true);
            GC.SuppressFinalize(this);
        }

        protected virtual void Dispose(bool disposing)
        {
            if (!_disposed)
            {
                if (disposing)
                {
                    // 清理托管资源
                }

                // 清理非托管资源
                if (_btFormat != null)
                {
                    _btFormat.Close(BtSaveOptions.btDoNotSaveChanges);
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(_btFormat);
                    _btFormat = null;
                }

                if (_btApp != null)
                {
                    _btApp.Quit(BtSaveOptions.btDoNotSaveChanges);
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(_btApp);
                    _btApp = null;
                }

                _disposed = true;
            }
        }

        /// <summary>
        /// 批量打印多个List标签
        /// </summary>
        /// <param name="templatePath">标签模板路径</param>
        /// <param name="items">包含多个标签数据的列表</param>
        /// <param name="copiesPerItem">每个标签的打印份数</param>
        /// <param name="serializedLabels">序列化标签数量</param>
        /// <param name="getSubStringValues">从列表项获取标签变量的委托</param>
        /// <returns>是否全部打印成功</returns>
        public bool PrintLabels<T>(
            string templatePath,
            List<T> items,
            int copiesPerItem = 1,
            int serializedLabels = 1,
            Func<T, Dictionary<string, string>> getSubStringValues = null)
        {
            if (_disposed)
                throw new ObjectDisposedException("BartenderPrintHelper", "对象已被释放，不能执行打印操作。");

            if (items == null || items.Count == 0)
                return false;

            try
            {
                // 打开标签模板
                _btFormat = _btApp.Formats.Open(templatePath);

                // 设置打印参数
                _btFormat.PrintSetup.IdenticalCopiesOfLabel = copiesPerItem;
                _btFormat.PrintSetup.NumberSerializedLabels = serializedLabels;

                bool allSuccess = true;

                // 遍历所有项目并打印
                foreach (var item in items)
                {
                    try
                    {
                        // 获取当前项的变量值
                        var subStringValues = getSubStringValues?.Invoke(item);

                        // 设置标签变量值
                        if (subStringValues != null)
                        {
                            foreach (var kvp in subStringValues)
                            {
                                _btFormat.SetNamedSubStringValue(kvp.Key, kvp.Value);
                            }
                        }

                        // 执行打印
                        _btFormat.PrintOut(false, false);
                    }
                    catch (Exception ex)
                    {
                        // 记录错误但继续打印其他项
                        allSuccess = false;
                        // 可以在这里添加日志记录
                        Console.WriteLine($"打印标签时出错: {ex.Message}");
                    }
                }

                return allSuccess;
            }
            catch (Exception ex)
            {
                throw new Exception($"批量打印标签时出错: {ex.Message}", ex);
            }
            finally
            {
                if (_btFormat != null)
                {
                    _btFormat.Close(BtSaveOptions.btDoNotSaveChanges);
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(_btFormat);
                    _btFormat = null;
                }
            }
        }


              /// <summary>
              /// 批量打印多个标签（新增方法）
              /// </summary>
              /// <param name="templatePath">标签模板路径</param>
              /// <param name="batchSubStringValues">多个标签的变量键值对列表</param>
              /// <param name="copiesPerLabel">每个标签的打印份数</param>
              /// <param name="serializedLabels">序列化标签数量</param>
              /// <returns>是否全部打印成功</returns>
        public bool PrintBatchLabels(
            string templatePath,
            List<Dictionary<string, string>> batchSubStringValues,
            int copiesPerLabel = 1,
            int serializedLabels = 1)
        {
            if (_disposed)
                throw new ObjectDisposedException(nameof(BartenderPrintHelper), "对象已被释放，不能执行打印操作。");

            if (batchSubStringValues == null || batchSubStringValues.Count == 0)
                return false;

            try
            {
                // 打开标签模板（只打开一次，提升性能）
                _btFormat = _btApp.Formats.Open(templatePath);
                _btFormat.PrintSetup.IdenticalCopiesOfLabel = copiesPerLabel;
                _btFormat.PrintSetup.NumberSerializedLabels = serializedLabels;

                bool allSuccess = true;

                // 遍历所有标签数据并打印
                foreach (var subStringValues in batchSubStringValues)
                {
                    try
                    {
                        // 设置变量值
                        foreach (var kvp in subStringValues)
                        {
                            _btFormat.SetNamedSubStringValue(kvp.Key, kvp.Value);
                        }

                        // 执行打印（不关闭模板，继续复用）
                        _btFormat.PrintOut(false, false);
                    }
                    catch (Exception ex)
                    {
                        allSuccess = false;
                        // 可记录日志或抛出特定异常
                        Console.WriteLine($"打印标签时出错: {ex.Message}");
                    }
                }

                return allSuccess;
            }
            catch (Exception ex)
            {
                throw new Exception($"批量打印标签时出错: {ex.Message}", ex);
            }
            finally
            {
                // 确保释放资源
                if (_btFormat != null)
                {
                    _btFormat.Close(BtSaveOptions.btDoNotSaveChanges);
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(_btFormat);
                    _btFormat = null;
                }
            }
        }
        
        ~BartenderPrintHelper()
        {
            Dispose(false);
        }
    }
}