/*
 * Postarc
 *
 * Author:
 * Christian Lins <christian.lins@intevation.de>
 *
 * Copyright:
 * Copyright (C) 2012 Intevation GmbH <http://www.intevation.de/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Geometry;
using Postarc.Feature;

namespace Postarc.GUI
{
    public partial class FormNewPostGISFeatClass : Form
    {
        public FormNewPostGISFeatClass()
        {
            InitializeComponent();
            this.cmbGeometryType.SelectedIndex = 0;
        }

        private void btnCreate_Click(object sender, EventArgs e)
        {
            if (cmbGeometryType.SelectedItem == null)
            {
                MessageBox.Show("Please choose the Shape type of the new FeatureClass!", "Shape type", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }
            if (txtLayerName.Text == null || txtLayerName.Text.Equals(""))
            {
                MessageBox.Show("Please enter a name for the new layer!", "Layer name", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }
            if (txtFCName.Text == null || txtFCName.Text.Equals(""))
            {
                MessageBox.Show("Please enter a name for the FeatureClass!", "FeatureClass name", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }

            esriGeometryType shapeType = esriGeometryType.esriGeometryNull;
            if (cmbGeometryType.SelectedItem.Equals("POINT"))
            {
                shapeType = esriGeometryType.esriGeometryPoint;
            }
            else if (cmbGeometryType.SelectedItem.Equals("POLYGON"))
            {
                shapeType = esriGeometryType.esriGeometryPolygon;
            }
            else if (cmbGeometryType.SelectedItem.Equals("POLYLINE"))
            {
                shapeType = esriGeometryType.esriGeometryPolyline;
            }

            //PostarcClassDescription.Register();

            IFeatureClass featClass;
            //if (cmbGeometryTable.SelectedText!= null)
            {
                featClass = new Postarc.Feature.FeatureClass(
                    this.cmbDatabaseConnections.SelectedItem as PostGISConnection,
                    this.cmbGeometryTable.SelectedItem as string);
            }
            //else
            //{
              //  featClass = new PostGISFeatureClass(shapeType);
            //}

            // Load field definitions from geometry table

            Visible = false;
            Application.DoEvents();

            // Create FeatureLayer that encapsulates our FeatureClass
            IFeatureLayer featLayer = new Postarc.Feature.FeatureLayer();
            featLayer.FeatureClass = featClass;
            featLayer.Name = txtLayerName.Text;

            // Add FeatureLayer to active map document
            ArcMap.Document.FocusMap.AddLayer(featLayer);
        }

        private void btnEditConnections_Click(object sender, EventArgs e)
        {
            PostGISConnection conn = this.cmbDatabaseConnections.SelectedItem as PostGISConnection;
            if (conn != null)
            {
                FormConnectionProperties connProp = new FormConnectionProperties(conn);
                connProp.ShowDialog();
            }
            else
            {
                MessageBox.Show("Please select a connection profile first!");
            }
        }

        private void FormNewPostGISFeatClass_Shown(object sender, EventArgs e)
        {
            int selIndex;
            
            // Fill the database connections to the combo box and preselect one
            selIndex = this.cmbDatabaseConnections.SelectedIndex;
            this.cmbDatabaseConnections.Items.Clear();
            this.cmbDatabaseConnections.Items.AddRange(Settings.LoadSavedProfiles().ToArray());
            this.cmbDatabaseConnections.Items.Add(new PostGISConnection());
            this.cmbDatabaseConnections.SelectedIndex = 0;
            if (selIndex >= 0)
            {
                this.cmbDatabaseConnections.SelectedIndex = selIndex;
            }
        }

        private void FormNewPostGISFeatClass_FormClosing(object sender, FormClosingEventArgs e)
        {
            e.Cancel = true;
            Visible = false;
        }

        private void cmbDatabaseConnections_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (cmbDatabaseConnections.SelectedIndex >= 0)
            {
                PostGISConnection conn = cmbDatabaseConnections.SelectedItem as PostGISConnection;
                this.cmbGeometryTable.Items.Clear();
                this.cmbGeometryTable.Items.AddRange(conn.QueryTables().ToArray());
                this.cmbGeometryTable.SelectedIndex = 0;
            }
        }
    }
}