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.Threading;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;

namespace DataLoader
{
    public partial class MainWindow : Window
    {
        private bool isBusy;

        public ResWin resWin;

        private LoginWin loginWin;

        private ObservableCollection<ViewData> viewDatas = new ObservableCollection<ViewData>();

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

        // 窗口加载完成
        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            CommonProp.Owner = this;
            CommonProp.Init();

            this.btnLoad.IsEnabled = false;
            this.btnDel.IsEnabled = false;
            this.btnImport.IsEnabled = false;

            lvView.DataContext = viewDatas;
            lvView.SetBinding(ListView.ItemsSourceProperty, new Binding());

            // string md5 = MD5Helper.GetMD5Hash("E:\\data\\mpt\\A4mpt20131125.mpt");
            LogOut.Info("************  应用程序启动成功！ ************");
        }

        // 获取元数据类型
        private List<MetaType> GetMetaTypes()
        {
            List<MetaType> list = new List<MetaType>();
            list.Add(new MetaType("默认"));
            list.Add(new MetaType("数字正射影像图"));
            list.Add(new MetaType("数字高程模型"));
            list.Add(new MetaType("单波段栅格数据"));
            list.Add(new MetaType("多光谱栅格数据"));
            list.Add(new MetaType("高光谱栅格数据"));
            list.Add(new MetaType("矢量图层"));
            list.Add(new MetaType("三维模型"));

            return list;
        }

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

        // 设置登录信息
        public void SetLoginInfo()
        {
            if (loginWin != null) loginWin.Close();
            this.Show();

            this.tbUid.Text = CommonProp.UserId.ToString();
            this.tbUname.Text = CommonProp.Uname;
            this.tbToken.Text = CommonProp.Token;

            this.btnLoad.IsEnabled = true;
            this.btnImport.IsEnabled = true;
        }

        // 资源目录
        private void Dir_MouseLeftButtonDown(object sender, RoutedEventArgs e)
        {
            if (null == resWin) resWin = new ResWin();
            this.Hide();
            this.resWin.Show();
        }

        // 设置资源信息
        public void SetRes(string dircode, string fullName)
        {
            this.Show();

            if (!string.IsNullOrEmpty(dircode))
            {
                CommonProp.Dircode = dircode;
                this.tbDir.Text = fullName;
            }
        }

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

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

            this.tbSource.Text = CommonProp.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(CommonProp.TargetPath) && Directory.Exists(CommonProp.TargetPath)) dialog.SelectedPath = CommonProp.TargetPath;

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

            this.tbTarget.Text = CommonProp.TargetPath = dialog.SelectedPath.Trim();
        }

        // 加载
        private void Load_MouseLeftButtonDown(object sender, RoutedEventArgs e)
        {
            if (isBusy) return;
            if (string.IsNullOrEmpty(CommonProp.Dircode))
            {
                MessageBox.Show("请选择资源目录！", "提示");
                return;
            }

            CommonProp.SourcePath = this.tbSource.Text.Trim();
            if (string.IsNullOrEmpty(CommonProp.SourcePath) || !Directory.Exists(CommonProp.SourcePath))
            {
                MessageBox.Show("请选择数据目录或数据目录不存在！", "提示");
                return;
            }

            CommonProp.TargetPath = this.tbTarget.Text.Trim();
            if (string.IsNullOrEmpty(CommonProp.TargetPath) || !Directory.Exists(CommonProp.TargetPath))
            {
                MessageBox.Show("请选择入库目录或入库目录不存在！", "提示");
                return;
            }

            ContentControl ccSensor = this.tbSensorType.SelectedItem as ContentControl;
            int.TryParse(ccSensor.Tag.ToString(), out CommonProp.SensorType);

            ContentControl ccMeta = this.cbMetaType.SelectedItem as ContentControl;
            int.TryParse(ccMeta.Tag.ToString(), out CommonProp.MetaType);

            CommonProp.AcqTime = this.dpAcqTime.SelectedDate;

            this.isBusy = true;
            this.viewDatas.Clear();
            Importor.Loading(viewDatas);
            this.isBusy = false;
        }

        // 删除
        private void Del_MouseLeftButtonDown(object sender, RoutedEventArgs e)
        {
            if (null == this.viewDatas || this.viewDatas.Count == 0) return;

            int i = 0;
            while (i < this.viewDatas.Count)
            {
                if (this.viewDatas[i] != null && this.viewDatas[i].Checked)
                {
                    this.viewDatas.RemoveAt(i);
                    continue;
                }
                i++;
            }
        }

        // 导入
        private void Import_MouseLeftButtonDown(object sender, RoutedEventArgs e)
        {
            if (isBusy || viewDatas.Count == 0) return;

            this.isBusy = true;
            Thread thread = new Thread(new ThreadStart(() =>
            {
                Importor.ImportFiles(viewDatas);

                lvView.Dispatcher.BeginInvoke((ThreadStart)delegate
                {
                    ICollectionView view = CollectionViewSource.GetDefaultView(viewDatas);
                    view.Refresh();
                });

                isBusy = false;
                MessageBox.Show("数据导入完成！", "提示");
            }));
            thread.Start();
        }

        // 窗口关闭中事件
        private void Window_Closing(object sender, CancelEventArgs e)
        {
            if (isBusy)
            {
                MessageBox.Show("正在导入数据，请稍后~", "提示");
                e.Cancel = true;
                return;
            }
        }
    }
}