using DataLoader.CS;
using DataLoader.Model;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Forms.VisualStyles;

namespace DataLoader
{
    public partial class MainWindow : Window, INotifyPropertyChanged
    {
        private ObservableCollection<ViewData> viewDatas = new ObservableCollection<ViewData>();

        public event PropertyChangedEventHandler PropertyChanged;

        private string _sourcePath;

        private string _targetPath;

        private LoginWin win;

        public string SourcePath
        {
            get { return _sourcePath; }
            set
            {
                if (!String.IsNullOrEmpty(value) && Directory.Exists(value))
                {
                    _sourcePath = value;
                    PropertyChanged(this, new PropertyChangedEventArgs("SourcePath"));
                }
            }
        }

        public string TargetPath
        {
            get { return _targetPath; }
            set
            {
                if (!String.IsNullOrEmpty(value) && Directory.Exists(value))
                {
                    _targetPath = value;
                    PropertyChanged(this, new PropertyChangedEventArgs("TargetPath"));
                }
            }
        }

        public MainWindow()
        {
            InitializeComponent();
            this.DataContext = this;
        }

        protected virtual void OnPropertyChanged(string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            Tool.Owner = this;

            this.btnImport.IsEnabled = false;
            lvView.DataContext = viewDatas;
            lvView.SetBinding(ListView.ItemsSourceProperty, new Binding());

            String file = "E:\\data\\mpt\\A4mpt20131125.mpt";
            string md5 = MD5Helper.getMD5Hash(file);
        }

        // 登录
        private void Login_MouseLeftButtonDown(object sender, RoutedEventArgs e)
        {
            win = new LoginWin();
            this.Hide();
            win.Show();
        }

        public void SetLoginInfo()
        {
            if (win != null) win.Close();
            this.Show();

            this.tbUid.Text = Tool.UserId.ToString() + "，" + Tool.Uname;
            this.tbToken.Text = Tool.Token;
            this.btnImport.IsEnabled = true;
        }

        // 源目录
        private void Source_MouseLeftButtonDown(object sender, RoutedEventArgs e)
        {
            System.Windows.Forms.FolderBrowserDialog dialog = new System.Windows.Forms.FolderBrowserDialog();
            if (!String.IsNullOrEmpty(SourcePath) && Directory.Exists(SourcePath)) dialog.SelectedPath = SourcePath;

            System.Windows.Forms.DialogResult result = dialog.ShowDialog();
            if (result == System.Windows.Forms.DialogResult.Cancel)
            {
                return;
            }

            this.SourcePath = dialog.SelectedPath.Trim();
        }

        // 目标目录
        private void Target_MouseLeftButtonDown(object sender, RoutedEventArgs e)
        {
            System.Windows.Forms.FolderBrowserDialog dialog = new System.Windows.Forms.FolderBrowserDialog();
            if (!String.IsNullOrEmpty(TargetPath) && Directory.Exists(TargetPath)) dialog.SelectedPath = TargetPath;

            System.Windows.Forms.DialogResult result = dialog.ShowDialog();
            if (result == System.Windows.Forms.DialogResult.Cancel)
            {
                return;
            }

            this.TargetPath = dialog.SelectedPath.Trim();
        }

        // 导入
        private void Import_MouseLeftButtonDown(object sender, RoutedEventArgs e)
        {
            if (string.IsNullOrEmpty(SourcePath) || !Directory.Exists(SourcePath))
            {
                MessageBox.Show("请选择数据目录！");
                return;
            }
            if (string.IsNullOrEmpty(TargetPath) || !Directory.Exists(TargetPath))
            {
                MessageBox.Show("请选择入库目录！");
                return;
            }
            string[] files = Directory.GetFiles(SourcePath);
            if (null == files || files.Length == 0)
            {
                MessageBox.Show("数据目录下没有文件！");
                return;
            }

            viewDatas.Clear();

            Dispatcher.Invoke(new Action(delegate
            {
                this.btnImport.IsEnabled = false;
                Importor.Import(viewDatas, SourcePath, TargetPath);
                this.btnImport.IsEnabled = true;
            }));
        }
    }
}