/*!
 * Deluge.EditTrackers.js
 *
 * Copyright (c) Damien Churchill 2009-2010 <damoxc@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, 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 General Public License
 * along with this program.  If not, write to:
 *     The Free Software Foundation, Inc.,
 *     51 Franklin Street, Fifth Floor
 *     Boston, MA  02110-1301, USA.
 *
 * In addition, as a special exception, the copyright holders give
 * permission to link the code of portions of this program with the OpenSSL
 * library.
 * You must obey the GNU General Public License in all respects for all of
 * the code used other than OpenSSL. If you modify file(s) with this
 * exception, you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete
 * this exception statement from your version. If you delete this exception
 * statement from all source files in the program, then also delete it here.
 */
Ext.ns('Deluge');

/**
 * @class Deluge.EditTrackerWindow
 * @extends Ext.Window
 */
Deluge.EditTrackersWindow = Ext.extend(Ext.Window, {

	title: _('Edit Trackers'),
	layout: 'fit',
	width: 350,
	height: 220,
	plain: true,
	closable: true,
	resizable: true,

	bodyStyle: 'padding: 5px',
	buttonAlign: 'right',
	closeAction: 'hide',
	iconCls: 'x-deluge-edit-trackers',

	initComponent: function() {
		Deluge.EditTrackersWindow.superclass.initComponent.call(this);

		this.addButton(_('Cancel'), this.onCancelClick, this);
		this.addButton(_('Ok'), this.onOkClick, this);
		this.addEvents('save');

		this.on('show', this.onShow, this);
		this.on('save', this.onSave, this);

		this.addWindow = new Deluge.AddTrackerWindow();
		this.addWindow.on('add', this.onAddTrackers, this);
		this.editWindow = new Deluge.EditTrackerWindow();

		this.list = new Ext.list.ListView({
			store: new Ext.data.JsonStore({
				root: 'trackers',
				fields: [
					'tier',
					'url'
				]
			}),
			columns: [{
				header: _('Tier'),
				width: .1,
				dataIndex: 'tier'
			}, {
				header: _('Tracker'),
				width: .9,
				dataIndex: 'url'
			}],
			columnSort: {
				sortClasses: ['', '']
			},
			stripeRows: true,
			singleSelect: true,
			listeners: {
				'dblclick': {fn: this.onListNodeDblClicked, scope: this},
				'selectionchange': {fn: this.onSelect, scope: this}
			}
		});

		this.panel = this.add({
			margins: '0 0 0 0',
			items: [this.list],
			autoScroll: true,
			bbar: new Ext.Toolbar({
				items: [
					{
						text: _('Up'),
						iconCls: 'icon-up',
						handler: this.onUpClick,
						scope: this
					}, {
						text: _('Down'),
						iconCls: 'icon-down',
						handler: this.onDownClick,
						scope: this
					}, '->', {
						text: _('Add'),
						iconCls: 'icon-add',
						handler: this.onAddClick,
						scope: this
					}, {
						text: _('Edit'),
						iconCls: 'icon-edit-trackers',
						handler: this.onEditClick,
						scope: this
					}, {
						text: _('Remove'),
						iconCls: 'icon-remove',
						handler: this.onRemoveClick,
						scope: this
					}
				]
			})
		});
	},

	onAddClick: function() {
		this.addWindow.show();
	},

	onAddTrackers: function(trackers) {
		var store = this.list.getStore();
		Ext.each(trackers, function(tracker) {
			var duplicate = false, heightestTier = -1;
			store.each(function(record) {
				if (record.get('tier') > heightestTier) {
					heightestTier = record.get('tier');
				}
				if (tracker == record.get('tracker')) {
					duplicate = true;
					return false;
				}
			}, this);
			if (duplicate) return;
			store.add(new store.recordType({'tier': heightestTier + 1, 'url': tracker}));
		}, this);
	},

	onCancelClick: function() {
		this.hide();
	},

	onEditClick: function() {
		this.editWindow.show(this.list.getSelectedRecords()[0]);
	},

	onHide: function() {
		this.list.getStore().removeAll();
	},

	onListNodeDblClicked: function(list, index, node, e) {
		this.editWindow.show(this.list.getRecord(node));
	},

	onOkClick: function() {
		var trackers = [];
		this.list.getStore().each(function(record) {
			trackers.push({
				'tier': record.get('tier'),
				'url': record.get('url')
			})
		}, this);

		deluge.client.core.set_torrent_trackers(this.torrentId, trackers, {
			failure: this.onSaveFail,
			scope: this
		});

		this.hide();
	},

	onRemoveClick: function() {
		// Remove from the grid
		this.list.getStore().remove(this.list.getSelectedRecords()[0]);
	},

	onRequestComplete: function(status) {
		this.list.getStore().loadData(status);
		this.list.getStore().sort('tier', 'ASC');
	},

	onSaveFail: function() {

	},

	onSelect: function(list) {
		if (list.getSelectionCount()) {
			this.panel.getBottomToolbar().items.get(4).enable();
		}
	},

	onShow: function() {
		this.panel.getBottomToolbar().items.get(4).disable();
		var r = deluge.torrents.getSelected();
		this.torrentId = r.id;
		deluge.client.core.get_torrent_status(r.id, ['trackers'], {
			success: this.onRequestComplete,
			scope: this
		});
	},

	onDownClick: function() {
		var r = this.list.getSelectedRecords()[0];
        if (!r) return;

		r.set('tier', r.get('tier') + 1);
		r.store.sort('tier', 'ASC');
        r.store.commitChanges();

        this.list.select(r.store.indexOf(r));
	},

	onUpClick: function() {
		var r = this.list.getSelectedRecords()[0];
        if (!r) return;

		if (r.get('tier') == 0) return;
		r.set('tier', r.get('tier') - 1);
		r.store.sort('tier', 'ASC');
        r.store.commitChanges();

        this.list.select(r.store.indexOf(r));
	}
});