using System;
using System.Windows.Forms;
using iTextSharp.text.pdf;
using PDFPatcher.Common;
using PDFPatcher.Model;

namespace PDFPatcher.Functions
{
	sealed partial class AddPdfObjectForm : Form
	{
		readonly Control[] _editBoxes;
		public string ObjectName => _ObjectNameBox.Text;
		int _PdfObjectType;
		///<summary>获取或指定Description的值。</summary>
		public int PdfObjectType {
			get => _PdfObjectType;
			set {
				_PdfObjectType = value;
				FormHelper.ToggleVisibility(false, _editBoxes);
				switch (value) {
					case PdfObject.ARRAY: break;
					case PdfObject.BOOLEAN: _BooleanValueBox.Visible = true; break;
					case PdfObject.DICTIONARY: break;
					case PdfObject.NAME: _NameValueBox.Visible = true; break;
					case PdfObject.NUMBER: _NumericValueBox.Visible = true; break;
					case PdfObject.STRING: _TextValueBox.Visible = true; break;
				}
			}
		}
		public bool CreateAsIndirect => _CreateAsRefBox.Checked;
		public PdfObject PdfValue {
			get {
				PdfObject o;
				switch (_PdfObjectType) {
					case PdfObject.NAME: o = new PdfName(String.IsNullOrEmpty(_NameValueBox.Text) ? "name" : _NameValueBox.Text); break;
					case PdfObject.DICTIONARY: o = new PdfDictionary(); break;
					case PdfObject.ARRAY: o = new PdfArray(); break;
					case PdfObject.BOOLEAN: o = new PdfBoolean(_BooleanValueBox.Checked); break;
					case PdfObject.STRING: o = _TextValueBox.Text.ToPdfString(); break;
					case PdfObject.NUMBER: o = new PdfNumber(_NumericValueBox.Text.ToDouble()); break;
					default: return null;
				}
				return o;
			}
		}
		public AddPdfObjectForm() {
			InitializeComponent();
			_editBoxes = new Control[] { _NameValueBox, _NumericValueBox, _BooleanValueBox, _TextValueBox };
		}

		void AddPdfObjectForm_Load(object sender, EventArgs e) {
			_NameValueBox.Location = _NumericValueBox.Location = _BooleanValueBox.Location = _TextValueBox.Location;
		}

		void _OkButton_Click(Object source, EventArgs args) {
			DialogResult = DialogResult.OK;
			Close();
		}

		void _CancelButton_Click(Object source, EventArgs args) {
			DialogResult = DialogResult.Cancel;
			Close();
		}

	}
}