using System;
using System.Drawing;
using System.Reflection;
using System.Windows.Forms;

namespace FontPreview
{
	/// <summary>
	/// 关于对话框：显示版本、功能简介与技术说明。独立窗体，不影响主程序逻辑。
	/// </summary>
	public class AboutDialog : Form
	{
		public AboutDialog()
		{
			Text = "关于";
			FormBorderStyle = FormBorderStyle.FixedDialog;
			MaximizeBox = false;
			MinimizeBox = false;
			StartPosition = FormStartPosition.CenterParent;
			ClientSize = new Size(460, 320);
			Font = new Font("Microsoft YaHei UI", 9f);

			Assembly asm = Assembly.GetExecutingAssembly();
			string ver = asm.GetName().Version != null ? asm.GetName().Version.ToString() : "1.0";

			Label title = new Label
			{
				Text = AppInfo.FullTitle,
				Font = new Font("Microsoft YaHei UI", 14f, FontStyle.Bold),
				Location = new Point(18, 16),
				Size = new Size(420, 30)
			};

			TextBox body = new TextBox
			{
				Multiline = true,
				ReadOnly = true,
				ScrollBars = ScrollBars.Vertical,
				Location = new Point(18, 56),
				Size = new Size(424, 218),
				BackColor = Color.White,
				BorderStyle = BorderStyle.FixedSingle,
				Text =
					"免安装字体预览 / 批量管理工具\r\n\r\n" +
					"主要功能：\r\n" +
					"• 直接预览未安装的 TTF / OTF / TTC 字体\r\n" +
					"• 卡片式批量预览，后台渲染、可随时停止\r\n" +
					"• 绿色快捷方式安装 / 注册表安装双模式\r\n" +
					"• 批量移动、批量重命名、标签与分类管理\r\n" +
					"• 支持局域网 / NAS 网络共享盘字体\r\n" +
					"• 导出系统字体、自定义字色底色与字号\r\n\r\n" +
					"技术：.NET WinForms，PrivateFontCollection 免加载预览，完全离线运行。\r\n\r\n" +
					"提示：右键“预览文字”框可一键填入中文样例。"
			};

			Button ok = new Button
			{
				Text = "确定",
				DialogResult = DialogResult.OK,
				Location = new Point(360, 284),
				Size = new Size(82, 28)
			};

			Controls.Add(title);
			Controls.Add(body);
			Controls.Add(ok);
			AcceptButton = ok;
		}
	}
}