using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;

namespace shadowsocks_csharp
{
    public partial class Form1 : Form
    {
        Local local;
        Config config;

        public Form1()
        {
            config = Config.Load();
            InitializeComponent();
            configToTextBox();
        }

        private void showWindow()
        {
            this.Opacity = 1;
            this.Show();
        }

        private void configToTextBox()
        {
            textBox1.Text = config.server;
            textBox2.Text = config.server_port.ToString();
            textBox3.Text = config.password;
            textBox4.Text = config.local_port.ToString();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            if (!config.isDefault)
            {
                this.Opacity = 0;
                reload(config); BeginInvoke(new MethodInvoker(delegate
                {
                    this.Hide();
                }));
            }
        }

        private void reload(Config config)
        {
            if (local != null)
            {
                local.Stop();
            }
            local = new Local(config.local_port);
            local.Start();

        }

        private void Config_Click(object sender, EventArgs e)
        {
            showWindow();
        }

        private void Quit_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void OKButton_Click(object sender, EventArgs e)
        {
            try
            {
                Config config = new Config
                {
                    server = textBox1.Text,
                    server_port = int.Parse(textBox2.Text),
                    password = textBox3.Text,
                    local_port = int.Parse(textBox4.Text),
                    isDefault = false
                };
                Config.Save(config);
                this.config = config;
                reload(config);
                this.Hide();
            }
            catch (FormatException)
            {
                MessageBox.Show("there is format problem");
            }
            catch (Exception)
            {
                MessageBox.Show("there is some problem with parameters");
            }
        }

        private void cancelButton_Click(object sender, EventArgs e)
        {
            this.Hide();
            configToTextBox();
        }

        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            local.Stop();
        }

        private void aboutToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Process.Start("https://github.com/clowwindy/shadowsocks-csharp");
        }

        private void notifyIcon1_DoubleClick(object sender, EventArgs e)
        {
            showWindow();
        }

    }
}