using System;
using System.Linq;
using System.Windows.Forms;

namespace YLPublishTool.Forms
{
    public partial class ParseForm : Form
    {
        public ParseForm()
        {
            InitializeComponent();
            openFileDialog1.InitialDirectory = AppContext.BaseDirectory;
        }

        public string ParseFilePath
        {
            get { return tbFilePath.Text; }
            set { tbFilePath.Text = value; }
        }
        private void button1_Click(object sender, EventArgs e)
        {
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                tbFilePath.Text = openFileDialog1.FileName;
                ParseFile(tbFilePath.Text);
            }
        }

        private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
        {
            var tag = (ParseInfo)e.Node.Tag;
            rtbResult.Text = tag.ErrorInfo ?? tag.ConvertedText;

            rtbSource.SelectionColor = rtbSource.ForeColor;
            rtbSource.SelectionBackColor = rtbSource.BackColor;
            rtbSource.Select(tag.StartPos, tag.EndPos- tag.StartPos);
            rtbSource.SelectionColor = System.Drawing.Color.White;
            rtbSource.SelectionBackColor = System.Drawing.Color.Blue;
            rtbSource.ScrollToCaret();
        }

        private void ParseForm_Load(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(ParseFilePath))
            {
                return;
            }

            if (System.IO.File.Exists(ParseFilePath))
            {
                ParseFile(ParseFilePath);
            }
            else
            {
                MessageBox.Show("文件不存在:" + ParseFilePath);
            }
        }

        private void ParseFile(string filePath)
        {
            rtbSource.Text =  System.IO.File.ReadAllText(filePath);
            var nodes = new Parser().InnerParse(rtbSource.Text);
            treeView1.Nodes.Clear();
            if (nodes.Any())
            {
                treeView1.Nodes.AddRange(nodes.ToArray());
                treeView1.ExpandAll();
                treeView1.Nodes[0].EnsureVisible();
            }
        }
    }
}