var init_params = new Array();

var hotkey_prefix = false;
var hotkey_prefix_pressed = false;

var seq = "";

function notify_callback2(transport, sticky) {
	notify_info(transport.responseText, sticky);
}

function updateFeedList(sort_key) {

	var user_search = $("feed_search");
	var search = "";
	if (user_search) { search = user_search.value; }

	new Ajax.Request("backend.php", {
		parameters: "?op=pref-feeds&search=" + param_escape(search),
		onComplete: function(transport) {
			dijit.byId('feedConfigTab').attr('content', transport.responseText);
			selectTab("feedConfig", true);
			notify("");
		} });
}

function checkInactiveFeeds() {
	new Ajax.Request("backend.php", {
		parameters: "?op=pref-feeds&method=getinactivefeeds",
		onComplete: function (transport) {
			if (parseInt(transport.responseText) > 0) {
				Element.show(dijit.byId("pref_feeds_inactive_btn").domNode);
			}
		}
	});
}

function updateUsersList(sort_key) {
	var user_search = $("user_search");
	var search = "";
	if (user_search) {
		search = user_search.value;
	}

	var query = "?op=pref-users&sort="
		+ param_escape(sort_key) +
		"&search=" + param_escape(search);

	new Ajax.Request("backend.php", {
		parameters: query,
		onComplete: function (transport) {
			dijit.byId('userConfigTab').attr('content', transport.responseText);
			selectTab("userConfig", true)
			notify("");
		}
	});
}

function addUser() {
	var login = prompt(__("Please enter login:"), "");

	if (login == null) {
		return false;
	}

	if (login == "") {
		alert(__("Can't create user: no login specified."));
		return false;
	}

	notify_progress("Adding user...");

	var query = "?op=pref-users&method=add&login=" +
		param_escape(login);

	new Ajax.Request("backend.php", {
		parameters: query,
		onComplete: function (transport) {
			notify_callback2(transport);
			updateUsersList();
		}
	});

}

function editUser(id, event) {

	var query = "backend.php?op=pref-users&method=edit&id=" +
		param_escape(id);

	if (dijit.byId("userEditDlg"))
		dijit.byId("userEditDlg").destroyRecursive();

	dialog = new dijit.Dialog({
		id: "userEditDlg",
		title: __("User Editor"),
		style: "width: 600px",
		execute: function () {
			if (this.validate()) {
				notify_progress("Saving data...", true);

				var query = dojo.formToQuery("user_edit_form");

				new Ajax.Request("backend.php", {
					parameters: query,
					onComplete: function (transport) {
						dialog.hide();
						updateUsersList();
					}
				});
			}
		},
		href: query
	});

	dialog.show();
}

function editFilter(id) {

	var query = "backend.php?op=pref-filters&method=edit&id=" + param_escape(id);

	if (dijit.byId("feedEditDlg"))
		dijit.byId("feedEditDlg").destroyRecursive();

	if (dijit.byId("filterEditDlg"))
		dijit.byId("filterEditDlg").destroyRecursive();

	dialog = new dijit.Dialog({
		id: "filterEditDlg",
		title: __("Edit Filter"),
		style: "width: 600px",

		test: function () {
			var query = "backend.php?" + dojo.formToQuery("filter_edit_form") + "&savemode=test";

			editFilterTest(query);
		},
		selectRules: function (select) {
			$$("#filterDlg_Matches input[type=checkbox]").each(function (e) {
				e.checked = select;
				if (select)
					e.parentNode.addClassName("Selected");
				else
					e.parentNode.removeClassName("Selected");
			});
		},
		selectActions: function (select) {
			$$("#filterDlg_Actions input[type=checkbox]").each(function (e) {
				e.checked = select;

				if (select)
					e.parentNode.addClassName("Selected");
				else
					e.parentNode.removeClassName("Selected");

			});
		},
		editRule: function (e) {
			var li = e.parentNode;
			var rule = li.getElementsByTagName("INPUT")[1].value;
			addFilterRule(li, rule);
		},
		editAction: function (e) {
			var li = e.parentNode;
			var action = li.getElementsByTagName("INPUT")[1].value;
			addFilterAction(li, action);
		},
		removeFilter: function () {
			var msg = __("Remove filter?");

			if (confirm(msg)) {
				this.hide();

				notify_progress("Removing filter...");

				var id = this.attr('value').id;

				var query = "?op=pref-filters&method=remove&ids=" +
					param_escape(id);

				new Ajax.Request("backend.php", {
					parameters: query,
					onComplete: function (transport) {
						updateFilterList();
					}
				});
			}
		},
		addAction: function () {
			addFilterAction();
		},
		addRule: function () {
			addFilterRule();
		},
		deleteAction: function () {
			$$("#filterDlg_Actions li[class*=Selected]").each(function (e) {
				e.parentNode.removeChild(e)
			});
		},
		deleteRule: function () {
			$$("#filterDlg_Matches li[class*=Selected]").each(function (e) {
				e.parentNode.removeChild(e)
			});
		},
		execute: function () {
			if (this.validate()) {

				notify_progress("Saving data...", true);

				var query = dojo.formToQuery("filter_edit_form");

				console.log(query);

				new Ajax.Request("backend.php", {
					parameters: query,
					onComplete: function (transport) {
						dialog.hide();
						updateFilterList();
					}
				});
			}
		},
		href: query
	});

	dialog.show();
}


function getSelectedLabels() {
	var tree = dijit.byId("labelTree");
	var items = tree.model.getCheckedItems();
	var rv = [];

	items.each(function(item) {
		rv.push(tree.model.store.getValue(item, 'bare_id'));
	});

	return rv;
}

function getSelectedUsers() {
	return getSelectedTableRowIds("prefUserList");
}

function getSelectedFeeds() {
	var tree = dijit.byId("feedTree");
	var items = tree.model.getCheckedItems();
	var rv = [];

	items.each(function(item) {
		if (item.id[0].match("FEED:"))
			rv.push(tree.model.store.getValue(item, 'bare_id'));
	});

	return rv;
}

function getSelectedCategories() {
	var tree = dijit.byId("feedTree");
	var items = tree.model.getCheckedItems();
	var rv = [];

	items.each(function(item) {
		if (item.id[0].match("CAT:"))
			rv.push(tree.model.store.getValue(item, 'bare_id'));
	});

	return rv;
}

function getSelectedFilters() {
	var tree = dijit.byId("filterTree");
	var items = tree.model.getCheckedItems();
	var rv = [];

	items.each(function(item) {
		rv.push(tree.model.store.getValue(item, 'bare_id'));
	});

	return rv;

}

function removeSelectedLabels() {

	var sel_rows = getSelectedLabels();

	if (sel_rows.length > 0) {

		var ok = confirm(__("Remove selected labels?"));

		if (ok) {
			notify_progress("Removing selected labels...");

			var query = "?op=pref-labels&method=remove&ids="+
				param_escape(sel_rows.toString());

			new Ajax.Request("backend.php",	{
				parameters: query,
				onComplete: function(transport) {
						updateLabelList();
					} });

		}
	} else {
		alert(__("No labels are selected."));
	}

	return false;
}

function removeSelectedUsers() {

	var sel_rows = getSelectedUsers();

	if (sel_rows.length > 0) {

		var ok = confirm(__("Remove selected users? Neither default admin nor your account will be removed."));

		if (ok) {
			notify_progress("Removing selected users...");

			var query = "?op=pref-users&method=remove&ids=" +
				param_escape(sel_rows.toString());

			new Ajax.Request("backend.php", {
				parameters: query,
				onComplete: function (transport) {
					updateUsersList();
				}
			});

		}

	} else {
		alert(__("No users are selected."));
	}

	return false;
}

function removeSelectedFilters() {

	var sel_rows = getSelectedFilters();

	if (sel_rows.length > 0) {

		var ok = confirm(__("Remove selected filters?"));

		if (ok) {
			notify_progress("Removing selected filters...");

			var query = "?op=pref-filters&method=remove&ids=" +
				param_escape(sel_rows.toString());

			new Ajax.Request("backend.php", {
				parameters: query,
				onComplete: function (transport) {
					updateFilterList();
				}
			});
		}
	} else {
		alert(__("No filters are selected."));
	}

	return false;
}

function removeSelectedFeeds() {

	var sel_rows = getSelectedFeeds();

	if (sel_rows.length > 0) {

		var ok = confirm(__("Unsubscribe from selected feeds?"));

		if (ok) {

			notify_progress("Unsubscribing from selected feeds...", true);

			var query = "?op=pref-feeds&method=remove&ids=" +
				param_escape(sel_rows.toString());

			console.log(query);

			new Ajax.Request("backend.php", {
				parameters: query,
				onComplete: function (transport) {
					updateFeedList();
				}
			});
		}

	} else {
		alert(__("No feeds are selected."));
	}

	return false;
}

function clearSelectedFeeds() {

	var sel_rows = getSelectedFeeds();

	if (sel_rows.length > 1) {
		alert(__("Please select only one feed."));
		return;
	}

	if (sel_rows.length > 0) {

		var ok = confirm(__("Erase all non-starred articles in selected feed?"));

		if (ok) {
			notify_progress("Clearing selected feed...");
			clearFeedArticles(sel_rows[0]);
		}

	} else {

		alert(__("No feeds are selected."));

	}

	return false;
}

function purgeSelectedFeeds() {

	var sel_rows = getSelectedFeeds();

	if (sel_rows.length > 0) {

		var pr = prompt(__("How many days of articles to keep (0 - use default)?"), "0");

		if (pr != undefined) {
			notify_progress("Purging selected feed...");

			var query = "?op=rpc&method=purge&ids="+
				param_escape(sel_rows.toString()) + "&days=" + pr;

			console.log(query);

			new Ajax.Request("prefs.php",	{
				parameters: query,
				onComplete: function(transport) {
					notify('');
				} });
		}

	} else {

		alert(__("No feeds are selected."));

	}

	return false;
}

function editSelectedUser() {
	var rows = getSelectedUsers();

	if (rows.length == 0) {
		alert(__("No users are selected."));
		return;
	}

	if (rows.length > 1) {
		alert(__("Please select only one user."));
		return;
	}

	notify("");

	editUser(rows[0]);
}

function resetSelectedUserPass() {

	var rows = getSelectedUsers();

	if (rows.length == 0) {
		alert(__("No users are selected."));
		return;
	}

	if (rows.length > 1) {
		alert(__("Please select only one user."));
		return;
	}

	var ok = confirm(__("Reset password of selected user?"));

	if (ok) {
		notify_progress("Resetting password for selected user...");

		var id = rows[0];

		var query = "?op=pref-users&method=resetPass&id=" +
			param_escape(id);

		new Ajax.Request("backend.php", {
			parameters: query,
			onComplete: function (transport) {
				notify_info(transport.responseText, true);
			}
		});

	}
}

function selectedUserDetails() {

	var rows = getSelectedUsers();

	if (rows.length == 0) {
		alert(__("No users are selected."));
		return;
	}

	if (rows.length > 1) {
		alert(__("Please select only one user."));
		return;
	}

	var id = rows[0];

	var query = "backend.php?op=pref-users&method=userdetails&id=" + id;

	if (dijit.byId("userDetailsDlg"))
		dijit.byId("userDetailsDlg").destroyRecursive();

	dialog = new dijit.Dialog({
		id: "userDetailsDlg",
		title: __("User details"),
		style: "width: 600px",
		execute: function () {
			dialog.hide();
		},
		href: query
	});

	dialog.show();
}


function editSelectedFilter() {
	var rows = getSelectedFilters();

	if (rows.length == 0) {
		alert(__("No filters are selected."));
		return;
	}

	if (rows.length > 1) {
		alert(__("Please select only one filter."));
		return;
	}

	notify("");

	editFilter(rows[0]);

}

function joinSelectedFilters() {
	var rows = getSelectedFilters();

	if (rows.length == 0) {
		alert(__("No filters are selected."));
		return;
	}

	var ok = confirm(__("Combine selected filters?"));

	if (ok) {
		notify_progress("Joining filters...");

		var query = "?op=pref-filters&method=join&ids="+
			param_escape(rows.toString());

		console.log(query);

		new Ajax.Request("backend.php",	{
			parameters: query,
			onComplete: function(transport) {
					updateFilterList();
			} });
	}
}

function editSelectedFeed() {
	var rows = getSelectedFeeds();

	if (rows.length == 0) {
		alert(__("No feeds are selected."));
		return;
	}

	if (rows.length > 1) {
		return editSelectedFeeds();
	}

	notify("");

	editFeed(rows[0], {});

}

function editSelectedFeeds() {
	var rows = getSelectedFeeds();

	if (rows.length == 0) {
		alert(__("No feeds are selected."));
		return;
	}

	notify_progress("Loading, please wait...");

	var query = "backend.php?op=pref-feeds&method=editfeeds&ids=" +
		param_escape(rows.toString());

	console.log(query);

	if (dijit.byId("feedEditDlg"))
		dijit.byId("feedEditDlg").destroyRecursive();

	new Ajax.Request("backend.php", {
		parameters: query,
		onComplete: function (transport) {

			notify("");

			var dialog = new dijit.Dialog({
				id: "feedEditDlg",
				title: __("Edit Multiple Feeds"),
				style: "width: 600px",
				getChildByName: function (name) {
					var rv = null;
					this.getChildren().each(
						function (child) {
							if (child.name == name) {
								rv = child;
								return;
							}
						});
					return rv;
				},
				toggleField: function (checkbox, elem, label) {
					this.getChildByName(elem).attr('disabled', !checkbox.checked);

					if ($(label))
						if (checkbox.checked)
							$(label).removeClassName('insensitive');
						else
							$(label).addClassName('insensitive');

				},
				execute: function () {
					if (this.validate() && confirm(__("Save changes to selected feeds?"))) {
						var query = dojo.objectToQuery(this.attr('value'));

						/* Form.serialize ignores unchecked checkboxes */

						if (!query.match("&private=") &&
							this.getChildByName('private').attr('disabled') == false) {
							query = query + "&private=false";
						}

						try {
							if (!query.match("&cache_images=") &&
								this.getChildByName('cache_images').attr('disabled') == false) {
								query = query + "&cache_images=false";
							}
						} catch (e) {
						}

						try {
							if (!query.match("&hide_images=") &&
								this.getChildByName('hide_images').attr('disabled') == false) {
								query = query + "&hide_images=false";
							}
						} catch (e) {
						}

						if (!query.match("&include_in_digest=") &&
							this.getChildByName('include_in_digest').attr('disabled') == false) {
							query = query + "&include_in_digest=false";
						}

						if (!query.match("&always_display_enclosures=") &&
							this.getChildByName('always_display_enclosures').attr('disabled') == false) {
							query = query + "&always_display_enclosures=false";
						}

						if (!query.match("&mark_unread_on_update=") &&
							this.getChildByName('mark_unread_on_update').attr('disabled') == false) {
							query = query + "&mark_unread_on_update=false";
						}

						console.log(query);

						notify_progress("Saving data...", true);

						new Ajax.Request("backend.php", {
							parameters: query,
							onComplete: function (transport) {
								dialog.hide();
								updateFeedList();
							}
						});
					}
				},
				content: transport.responseText
			});

			dialog.show();

		}
	});
}

function opmlImportComplete(iframe) {
	if (!iframe.contentDocument.body.innerHTML) return false;

	Element.show(iframe);

	notify('');

	if (dijit.byId('opmlImportDlg'))
		dijit.byId('opmlImportDlg').destroyRecursive();

	var content = iframe.contentDocument.body.innerHTML;

	dialog = new dijit.Dialog({
		id: "opmlImportDlg",
		title: __("OPML Import"),
		style: "width: 600px",
		onCancel: function () {
            window.location.reload();
		},
		execute: function () {
			window.location.reload();
		},
		content: content
	});

	dialog.show();
}

function opmlImport() {

	var opml_file = $("opml_file");

	if (opml_file.value.length == 0) {
		alert(__("Please choose an OPML file first."));
		return false;
	} else {
		notify_progress("Importing, please wait...", true);

		Element.show("upload_iframe");

		return true;
	}
}


function updateFilterList() {
	var user_search = $("filter_search");
	var search = "";
	if (user_search) { search = user_search.value; }

	new Ajax.Request("backend.php",	{
		parameters: "?op=pref-filters&search=" + param_escape(search),
		onComplete: function(transport) {
			dijit.byId('filterConfigTab').attr('content', transport.responseText);
			notify("");
		} });
}

function updateLabelList() {
	new Ajax.Request("backend.php",	{
		parameters: "?op=pref-labels",
		onComplete: function(transport) {
			dijit.byId('labelConfigTab').attr('content', transport.responseText);
			notify("");
		} });
}

function updatePrefsList() {
	new Ajax.Request("backend.php", {
		parameters: "?op=pref-prefs",
		onComplete: function(transport) {
			dijit.byId('genConfigTab').attr('content', transport.responseText);
			notify("");
		} });
}

function updateSystemList() {
	new Ajax.Request("backend.php", {
		parameters: "?op=pref-system",
		onComplete: function(transport) {
			dijit.byId('systemConfigTab').attr('content', transport.responseText);
			notify("");
		} });
}

function selectTab(id, noupdate, method) {
	if (!noupdate) {
		notify_progress("Loading, please wait...");

		if (id == "feedConfig") {
			updateFeedList();
		} else if (id == "filterConfig") {
			updateFilterList();
		} else if (id == "labelConfig") {
			updateLabelList();
		} else if (id == "genConfig") {
			updatePrefsList();
		} else if (id == "userConfig") {
			updateUsersList();
		} else if (id == "systemConfig") {
			updateSystemList();
		}

		var tab = dijit.byId(id + "Tab");
		dijit.byId("pref-tabs").selectChild(tab);

	}
}

function init_second_stage() {
	document.onkeydown = pref_hotkey_handler;
	loading_set_progress(50);
	notify("");

	var tab = getURLParam('tab');

	if (tab) {
		tab = dijit.byId(tab + "Tab");
		if (tab) dijit.byId("pref-tabs").selectChild(tab);
	}

	var method = getURLParam('method');

	if (method == 'editFeed') {
		var param = getURLParam('methodparam');

		window.setTimeout(function() { editFeed(param) }, 100);
	}

	setTimeout(hotkey_prefix_timeout, 5*1000);
}

function init() {
	window.onerror = function (message, filename, lineno, colno, error) {
		report_error(message, filename, lineno, colno, error);
	};

	require(["dojo/_base/kernel",
		"dojo/ready",
		"dojo/parser",
		"dojo/_base/loader",
		"dojo/_base/html",
		"dijit/ColorPalette",
		"dijit/Dialog",
		"dijit/form/Button",
		"dijit/form/CheckBox",
		"dijit/form/DropDownButton",
		"dijit/form/FilteringSelect",
        "dijit/form/MultiSelect",
		"dijit/form/Form",
		"dijit/form/RadioButton",
		"dijit/form/ComboButton",
		"dijit/form/Select",
		"dijit/form/SimpleTextarea",
		"dijit/form/TextBox",
		"dijit/form/ValidationTextBox",
		"dijit/InlineEditBox",
		"dijit/layout/AccordionContainer",
		"dijit/layout/AccordionPane",
		"dijit/layout/BorderContainer",
		"dijit/layout/ContentPane",
		"dijit/layout/TabContainer",
		"dijit/Menu",
		"dijit/ProgressBar",
		"dijit/Toolbar",
		"dijit/Tree",
		"dijit/tree/dndSource",
		"dojo/data/ItemFileWriteStore",
		"fox/PrefFeedTree",
		"fox/PrefFilterTree",
		"fox/PrefLabelTree"], function (dojo, ready, parser) {

		ready(function () {
			try {
				parser.parse();

				loading_set_progress(50);

				var clientTzOffset = new Date().getTimezoneOffset() * 60;

				new Ajax.Request("backend.php", {
					parameters: {
						op: "rpc", method: "sanityCheck",
						clientTzOffset: clientTzOffset
					},
					onComplete: function (transport) {
						backend_sanity_check_callback(transport);
					}
				});
			} catch (e) {
				exception_error(e);
			}
		});
	});
}


function validatePrefsReset() {
	var ok = confirm(__("Reset to defaults?"));

	if (ok) {

		query = "?op=pref-prefs&method=resetconfig";
		console.log(query);

		new Ajax.Request("backend.php", {
			parameters: query,
			onComplete: function(transport) {
				updatePrefsList();
				notify_info(transport.responseText);
			} });

	}

	return false;

}

function pref_hotkey_handler(e) {

	if (e.target.nodeName == "INPUT" || e.target.nodeName == "TEXTAREA") return;

	var keycode = false;
	var shift_key = false;

	var cmdline = $('cmdline');

	try {
		shift_key = e.shiftKey;
	} catch (e) {

	}

	if (window.event) {
		keycode = window.event.keyCode;
	} else if (e) {
		keycode = e.which;
	}

	var keychar = String.fromCharCode(keycode);

	if (keycode == 27) { // escape
		hotkey_prefix = false;
	}

	if (keycode == 16) return; // ignore lone shift
	if (keycode == 17) return; // ignore lone ctrl

	if (!shift_key) keychar = keychar.toLowerCase();

	var hotkeys = getInitParam("hotkeys");

	if (!hotkey_prefix && hotkeys[0].indexOf(keychar) != -1) {

		var date = new Date();
		var ts = Math.round(date.getTime() / 1000);

		hotkey_prefix = keychar;
		hotkey_prefix_pressed = ts;

		cmdline.innerHTML = keychar;
		Element.show(cmdline);

		return true;
	}

	Element.hide(cmdline);

	var hotkey = keychar.search(/[a-zA-Z0-9]/) != -1 ? keychar : "(" + keycode + ")";
	hotkey = hotkey_prefix ? hotkey_prefix + " " + hotkey : hotkey;
	hotkey_prefix = false;

	var hotkey_action = false;
	var hotkeys = getInitParam("hotkeys");

	for (sequence in hotkeys[1]) {
		if (sequence == hotkey) {
			hotkey_action = hotkeys[1][sequence];
			break;
		}
	}

	switch (hotkey_action) {
		case "feed_subscribe":
			quickAddFeed();
			return false;
		case "create_label":
			addLabel();
			return false;
		case "create_filter":
			quickAddFilter();
			return false;
		case "help_dialog":
			//helpDialog("prefs");
			return false;
		default:
			console.log("unhandled action: " + hotkey_action + "; hotkey: " + hotkey);
	}
}

function removeCategory(id, item) {

	var ok = confirm(__("Remove category %s? Any nested feeds would be placed into Uncategorized.").replace("%s", item.name));

	if (ok) {
		var query = "?op=pref-feeds&method=removeCat&ids=" +
			param_escape(id);

		notify_progress("Removing category...");

		new Ajax.Request("backend.php", {
			parameters: query,
			onComplete: function (transport) {
				notify('');
				updateFeedList();
			}
		});
	}
}

function removeSelectedCategories() {

	var sel_rows = getSelectedCategories();

	if (sel_rows.length > 0) {

		var ok = confirm(__("Remove selected categories?"));

		if (ok) {
			notify_progress("Removing selected categories...");

			var query = "?op=pref-feeds&method=removeCat&ids="+
				param_escape(sel_rows.toString());

			new Ajax.Request("backend.php",	{
				parameters: query,
				onComplete: function(transport) {
						updateFeedList();
					} });

		}
	} else {
		alert(__("No categories are selected."));
	}

	return false;
}

function createCategory() {
	var title = prompt(__("Category title:"));

	if (title) {

		notify_progress("Creating category...");

		var query = "?op=pref-feeds&method=addCat&cat=" +
			param_escape(title);

		new Ajax.Request("backend.php", {
			parameters: query,
			onComplete: function (transport) {
				notify('');
				updateFeedList();
			}
		});
	}
}

function showInactiveFeeds() {
	var query = "backend.php?op=pref-feeds&method=inactiveFeeds";

	if (dijit.byId("inactiveFeedsDlg"))
		dijit.byId("inactiveFeedsDlg").destroyRecursive();

	dialog = new dijit.Dialog({
		id: "inactiveFeedsDlg",
		title: __("Feeds without recent updates"),
		style: "width: 600px",
		getSelectedFeeds: function () {
			return getSelectedTableRowIds("prefInactiveFeedList");
		},
		removeSelected: function () {
			var sel_rows = this.getSelectedFeeds();

			console.log(sel_rows);

			if (sel_rows.length > 0) {
				var ok = confirm(__("Remove selected feeds?"));

				if (ok) {
					notify_progress("Removing selected feeds...", true);

					var query = "?op=pref-feeds&method=remove&ids=" +
						param_escape(sel_rows.toString());

					new Ajax.Request("backend.php", {
						parameters: query,
						onComplete: function (transport) {
							notify('');
							dialog.hide();
							updateFeedList();
						}
					});
				}

			} else {
				alert(__("No feeds are selected."));
			}
		},
		execute: function () {
			if (this.validate()) {
			}
		},
		href: query
	});

	dialog.show();
}

function opmlRegenKey() {
	var ok = confirm(__("Replace current OPML publishing address with a new one?"));

	if (ok) {

		notify_progress("Trying to change address...", true);

		var query = "?op=pref-feeds&method=regenOPMLKey";

		new Ajax.Request("backend.php", {
			parameters: query,
			onComplete: function (transport) {
				var reply = JSON.parse(transport.responseText);

				var new_link = reply.link;

				var e = $('pub_opml_url');

				if (new_link) {
					e.href = new_link;
					e.innerHTML = new_link;

					new Effect.Highlight(e);

					notify('');

				} else {
					notify_error("Could not change feed URL.");
				}
			}
		});
	}
	return false;
}

function feedActionChange() {
	var chooser = $("feedActionChooser");
	var opid = chooser[chooser.selectedIndex].value;

	chooser.selectedIndex = 0;
	feedActionGo(opid);
}

function feedActionGo(op) {
	if (op == "facEdit") {

		var rows = getSelectedFeeds();

		if (rows.length > 1) {
			editSelectedFeeds();
		} else {
			editSelectedFeed();
		}
	}

	if (op == "facClear") {
		clearSelectedFeeds();
	}

	if (op == "facPurge") {
		purgeSelectedFeeds();
	}

	if (op == "facEditCats") {
		editFeedCats();
	}

	if (op == "facRescore") {
		rescoreSelectedFeeds();
	}

	if (op == "facUnsubscribe") {
		removeSelectedFeeds();
	}
}

function clearFeedArticles(feed_id) {

	notify_progress("Clearing feed...");

	var query = "?op=pref-feeds&quiet=1&method=clear&id=" + feed_id;

	new Ajax.Request("backend.php",	{
		parameters: query,
		onComplete: function(transport) {
				notify('');
			} });

	return false;
}

function rescoreSelectedFeeds() {

	var sel_rows = getSelectedFeeds();

	if (sel_rows.length > 0) {

		//var ok = confirm(__("Rescore last 100 articles in selected feeds?"));
		var ok = confirm(__("Rescore articles in selected feeds?"));

		if (ok) {
			notify_progress("Rescoring selected feeds...", true);

			var query = "?op=pref-feeds&method=rescore&quiet=1&ids="+
				param_escape(sel_rows.toString());

			new Ajax.Request("backend.php",	{
				parameters: query,
				onComplete: function(transport) {
						notify_callback2(transport);
			} });

		}
	} else {
		alert(__("No feeds are selected."));
	}

	return false;
}

function rescore_all_feeds() {
	var ok = confirm(__("Rescore all articles? This operation may take a lot of time."));

	if (ok) {
		notify_progress("Rescoring feeds...", true);

		var query = "?op=pref-feeds&method=rescoreAll&quiet=1";

		new Ajax.Request("backend.php",	{
			parameters: query,
			onComplete: function(transport) {
					notify_callback2(transport);
		} });
	}
}

function labelColorReset() {
	var labels = getSelectedLabels();

	if (labels.length > 0) {
		var ok = confirm(__("Reset selected labels to default colors?"));

		if (ok) {
			var query = "?op=pref-labels&method=colorreset&ids=" +
				param_escape(labels.toString());

			new Ajax.Request("backend.php", {
				parameters: query,
				onComplete: function (transport) {
					updateLabelList();
				}
			});
		}

	} else {
		alert(__("No labels are selected."));
	}
}

function inPreferences() {
	return true;
}

function editProfiles() {

	if (dijit.byId("profileEditDlg"))
		dijit.byId("profileEditDlg").destroyRecursive();

	var query = "backend.php?op=pref-prefs&method=editPrefProfiles";

	dialog = new dijit.Dialog({
		id: "profileEditDlg",
		title: __("Settings Profiles"),
		style: "width: 600px",
		getSelectedProfiles: function () {
			return getSelectedTableRowIds("prefFeedProfileList");
		},
		removeSelected: function () {
			var sel_rows = this.getSelectedProfiles();

			if (sel_rows.length > 0) {
				var ok = confirm(__("Remove selected profiles? Active and default profiles will not be removed."));

				if (ok) {
					notify_progress("Removing selected profiles...", true);

					var query = "?op=rpc&method=remprofiles&ids=" +
						param_escape(sel_rows.toString());

					new Ajax.Request("backend.php", {
						parameters: query,
						onComplete: function (transport) {
							notify('');
							editProfiles();
						}
					});

				}

			} else {
				alert(__("No profiles are selected."));
			}
		},
		activateProfile: function () {
			var sel_rows = this.getSelectedProfiles();

			if (sel_rows.length == 1) {

				var ok = confirm(__("Activate selected profile?"));

				if (ok) {
					notify_progress("Loading, please wait...");

					var query = "?op=rpc&method=setprofile&id=" +
						param_escape(sel_rows.toString());

					new Ajax.Request("backend.php", {
						parameters: query,
						onComplete: function (transport) {
							window.location.reload();
						}
					});
				}

			} else {
				alert(__("Please choose a profile to activate."));
			}
		},
		addProfile: function () {
			if (this.validate()) {
				notify_progress("Creating profile...", true);

				var query = "?op=rpc&method=addprofile&title=" +
					param_escape(dialog.attr('value').newprofile);

				new Ajax.Request("backend.php", {
					parameters: query,
					onComplete: function (transport) {
						notify('');
						editProfiles();
					}
				});

			}
		},
		execute: function () {
			if (this.validate()) {
			}
		},
		href: query
	});

	dialog.show();
}

function activatePrefProfile() {

	var sel_rows = getSelectedFeedCats();

	if (sel_rows.length == 1) {

		var ok = confirm(__("Activate selected profile?"));

		if (ok) {
			notify_progress("Loading, please wait...");

			var query = "?op=rpc&method=setprofile&id="+
				param_escape(sel_rows.toString());

			new Ajax.Request("backend.php",	{
				parameters: query,
				onComplete: function(transport) {
					window.location.reload();
				} });
		}

	} else {
		alert(__("Please choose a profile to activate."));
	}

	return false;
}

function clearFeedAccessKeys() {

	var ok = confirm(__("This will invalidate all previously generated feed URLs. Continue?"));

	if (ok) {
		notify_progress("Clearing URLs...");

		var query = "?op=pref-feeds&method=clearKeys";

		new Ajax.Request("backend.php", {
			parameters: query,
			onComplete: function(transport) {
				notify_info("Generated URLs cleared.");
			} });
	}

	return false;
}

function resetFilterOrder() {
	notify_progress("Loading, please wait...");

	new Ajax.Request("backend.php", {
		parameters: "?op=pref-filters&method=filtersortreset",
		onComplete: function (transport) {
			updateFilterList();
		}
	});
}



function resetFeedOrder() {
	notify_progress("Loading, please wait...");

	new Ajax.Request("backend.php", {
		parameters: "?op=pref-feeds&method=feedsortreset",
		onComplete: function (transport) {
			updateFeedList();
		}
	});
}

function resetCatOrder() {
	notify_progress("Loading, please wait...");

	new Ajax.Request("backend.php", {
		parameters: "?op=pref-feeds&method=catsortreset",
		onComplete: function (transport) {
			updateFeedList();
		}
	});
}

function editCat(id, item, event) {
	var new_name = prompt(__('Rename category to:'), item.name);

	if (new_name && new_name != item.name) {

		notify_progress("Loading, please wait...");

		new Ajax.Request("backend.php", {
			parameters: {
				op: 'pref-feeds',
				method: 'renamecat',
				id: id,
				title: new_name,
			},
			onComplete: function (transport) {
				updateFeedList();
			}
		});
	}
}

function editLabel(id, event) {
	var query = "backend.php?op=pref-labels&method=edit&id=" +
		param_escape(id);

	if (dijit.byId("labelEditDlg"))
		dijit.byId("labelEditDlg").destroyRecursive();

	dialog = new dijit.Dialog({
		id: "labelEditDlg",
		title: __("Label Editor"),
		style: "width: 600px",
		setLabelColor: function (id, fg, bg) {

			var kind = '';
			var color = '';

			if (fg && bg) {
				kind = 'both';
			} else if (fg) {
				kind = 'fg';
				color = fg;
			} else if (bg) {
				kind = 'bg';
				color = bg;
			}

			var query = "?op=pref-labels&method=colorset&kind=" + kind +
				"&ids=" + param_escape(id) + "&fg=" + param_escape(fg) +
				"&bg=" + param_escape(bg) + "&color=" + param_escape(color);

			//		console.log(query);

			var e = $("LICID-" + id);

			if (e) {
				if (fg) e.style.color = fg;
				if (bg) e.style.backgroundColor = bg;
			}

			new Ajax.Request("backend.php", {parameters: query});

			updateFilterList();
		},
		execute: function () {
			if (this.validate()) {
				var caption = this.attr('value').caption;
				var fg_color = this.attr('value').fg_color;
				var bg_color = this.attr('value').bg_color;
				var query = dojo.objectToQuery(this.attr('value'));

				dijit.byId('labelTree').setNameById(id, caption);
				this.setLabelColor(id, fg_color, bg_color);
				this.hide();

				new Ajax.Request("backend.php", {
					parameters: query,
					onComplete: function (transport) {
						updateFilterList();
					}
				});
			}
		},
		href: query
	});

	dialog.show();
}


function customizeCSS() {
	var query = "backend.php?op=pref-prefs&method=customizeCSS";

	if (dijit.byId("cssEditDlg"))
		dijit.byId("cssEditDlg").destroyRecursive();

	dialog = new dijit.Dialog({
		id: "cssEditDlg",
		title: __("Customize stylesheet"),
		style: "width: 600px",
		execute: function () {
			notify_progress('Saving data...', true);
			new Ajax.Request("backend.php", {
				parameters: dojo.objectToQuery(this.attr('value')),
				onComplete: function (transport) {
					notify('');
					window.location.reload();
				}
			});

		},
		href: query
	});

	dialog.show();
}

function insertSSLserial(value) {
	dijit.byId("SSL_CERT_SERIAL").attr('value', value);
}

function gotoExportOpml(filename, settings) {
	tmp = settings ? 1 : 0;
	document.location.href = "backend.php?op=opml&method=export&filename=" + filename + "&settings=" + tmp;
}


function batchSubscribe() {
	var query = "backend.php?op=pref-feeds&method=batchSubscribe";

	// overlapping widgets
	if (dijit.byId("batchSubDlg")) dijit.byId("batchSubDlg").destroyRecursive();
	if (dijit.byId("feedAddDlg"))    dijit.byId("feedAddDlg").destroyRecursive();

	var dialog = new dijit.Dialog({
		id: "batchSubDlg",
		title: __("Batch subscribe"),
		style: "width: 600px",
		execute: function () {
			if (this.validate()) {
				console.log(dojo.objectToQuery(this.attr('value')));

				notify_progress(__("Subscribing to feeds..."), true);

				new Ajax.Request("backend.php", {
					parameters: dojo.objectToQuery(this.attr('value')),
					onComplete: function (transport) {
						notify("");
						updateFeedList();
						dialog.hide();
					}
				});
			}
		},
		href: query
	});

	dialog.show();
}

function clearPluginData(name) {
	if (confirm(__("Clear stored data for this plugin?"))) {
		notify_progress("Loading, please wait...");

		new Ajax.Request("backend.php", {
			parameters: "?op=pref-prefs&method=clearplugindata&name=" + param_escape(name),
			onComplete: function(transport) {
				notify('');
				updatePrefsList();
			} });
	}
}

function clearSqlLog() {

	if (confirm(__("Clear all messages in the error log?"))) {

		notify_progress("Loading, please wait...");
		var query = "?op=pref-system&method=clearLog";

		new Ajax.Request("backend.php",	{
			parameters: query,
			onComplete: function(transport) {
				updateSystemList();
			} });

	}
}

function updateSelectedPrompt() {
	// no-op shim for toggleSelectedRow()
}

