'use strict';

/* globals define, app, translator, socket, bootbox, ajaxify */


define('forum/categoryTools', ['forum/topic/move', 'topicSelect'], function(move, topicSelect) {

	var CategoryTools = {};

	CategoryTools.init = function(cid) {
		CategoryTools.cid = cid;

		topicSelect.init(updateDropdownOptions);

		$('.delete_thread').on('click', function(e) {
			var tids = topicSelect.getSelectedTids();
			categoryCommand(isAny(isTopicDeleted, tids) ? 'restore' : 'delete', tids);
			return false;
		});

		$('.purge_thread').on('click', function() {
			categoryCommand('purge', topicSelect.getSelectedTids());
			return false;
		});

		$('.lock_thread').on('click', function() {
			var tids = topicSelect.getSelectedTids();
			if (tids.length) {
				socket.emit(isAny(isTopicLocked, tids) ? 'topics.unlock' : 'topics.lock', {tids: tids, cid: CategoryTools.cid}, onCommandComplete);
			}
			return false;
		});

		$('.pin_thread').on('click', function() {
			var tids = topicSelect.getSelectedTids();
			if (tids.length) {
				socket.emit(isAny(isTopicPinned, tids) ? 'topics.unpin' : 'topics.pin', {tids: tids, cid: CategoryTools.cid}, onCommandComplete);
			}
			return false;
		});

		$('.markAsUnreadForAll').on('click', function() {
			var tids = topicSelect.getSelectedTids();
			if (tids.length) {
				socket.emit('topics.markAsUnreadForAll', tids, function(err) {
					if(err) {
						return app.alertError(err.message);
					}
					app.alertSuccess('[[topic:markAsUnreadForAll.success]]');

					onCommandComplete();
				});
			}

			return false;
		});

		$('.move_thread').on('click', function() {
			var tids = topicSelect.getSelectedTids();

			if (tids.length) {
				move.init(tids, cid, onCommandComplete);
			}
			return false;
		});

		$('.move_all_threads').on('click', function() {
			move.init(null, cid, function(err) {
				ajaxify.refresh();
			});
		});

		CategoryTools.removeListeners();
		socket.on('event:topic_deleted', setDeleteState);
		socket.on('event:topic_restored', setDeleteState);
		socket.on('event:topic_purged', onTopicPurged);
		socket.on('event:topic_locked', setLockedState);
		socket.on('event:topic_unlocked', setLockedState);
		socket.on('event:topic_pinned', setPinnedState);
		socket.on('event:topic_unpinned', setPinnedState);
		socket.on('event:topic_moved', onTopicMoved);
	};

	function categoryCommand(command, tids) {
		if (!tids.length) {
			return;
		}

		translator.translate('[[topic:thread_tools.' + command + '_confirm]]', function(msg) {
			bootbox.confirm(msg, function(confirm) {
				if (!confirm) {
					return;
				}

				socket.emit('topics.' + command, {tids: tids, cid: CategoryTools.cid}, onDeletePurgeComplete);
			});
		});
	}

	CategoryTools.removeListeners = function() {
		socket.removeListener('event:topic_deleted', setDeleteState);
		socket.removeListener('event:topic_restored', setDeleteState);
		socket.removeListener('event:topic_purged', onTopicPurged);
		socket.removeListener('event:topic_locked', setLockedState);
		socket.removeListener('event:topic_unlocked', setLockedState);
		socket.removeListener('event:topic_pinned', setPinnedState);
		socket.removeListener('event:topic_unpinned', setPinnedState);
		socket.removeListener('event:topic_moved', onTopicMoved);
	};

	function closeDropDown() {
		$('.thread-tools.open').find('.dropdown-toggle').trigger('click');
	}

	function onCommandComplete(err) {
		if (err) {
			return app.alertError(err.message);
		}
		closeDropDown();
		topicSelect.unselectAll();
	}

	function onDeletePurgeComplete(err) {
		if (err) {
			return app.alertError(err.message);
		}
		closeDropDown();
		updateDropdownOptions();
	}

	function updateDropdownOptions() {
		var tids = topicSelect.getSelectedTids();
		var isAnyDeleted = isAny(isTopicDeleted, tids);
		var areAllDeleted = areAll(isTopicDeleted, tids);
		var isAnyPinned = isAny(isTopicPinned, tids);
		var isAnyLocked = isAny(isTopicLocked, tids);

		$('.delete_thread span').translateHtml('<i class="fa fa-fw ' + (isAnyDeleted ? 'fa-history' : 'fa-trash-o') + '"></i> [[topic:thread_tools.' + (isAnyDeleted ? 'restore' : 'delete') + ']]');
		$('.pin_thread').translateHtml('<i class="fa fa-fw fa-thumb-tack"></i> [[topic:thread_tools.' + (isAnyPinned ? 'unpin' : 'pin') + ']]');
		$('.lock_thread').translateHtml('<i class="fa fa-fw fa-' + (isAnyLocked ? 'un': '') + 'lock"></i> [[topic:thread_tools.' + (isAnyLocked ? 'un': '') + 'lock]]');
		$('.purge_thread').toggleClass('hidden', !areAllDeleted);
	}

	function isAny(method, tids) {
		for(var i=0; i<tids.length; ++i) {
			if(method(tids[i])) {
				return true;
			}
		}
		return false;
	}

	function areAll(method, tids) {
		for(var i=0; i<tids.length; ++i) {
			if(!method(tids[i])) {
				return false;
			}
		}
		return true;
	}

	function isTopicDeleted(tid) {
		return getTopicEl(tid).hasClass('deleted');
	}

	function isTopicLocked(tid) {
		return getTopicEl(tid).hasClass('locked');
	}

	function isTopicPinned(tid) {
		return getTopicEl(tid).hasClass('pinned');
	}

	function getTopicEl(tid) {
		return $('#topics-container li[data-tid="' + tid + '"]');
	}

	function setDeleteState(data) {
		var topic = getTopicEl(data.tid);
		topic.toggleClass('deleted', data.isDeleted);
		topic.find('.fa-lock').toggleClass('hide', !data.isDeleted);
	}

	function setPinnedState(data) {
		var topic = getTopicEl(data.tid);
		topic.toggleClass('pinned', data.isPinned);
		topic.find('.fa-thumb-tack').toggleClass('hide', !data.isPinned);
		ajaxify.refresh();
	}

	function setLockedState(data) {
		var topic = getTopicEl(data.tid);
		topic.toggleClass('locked', data.isLocked);
		topic.find('.fa-lock').toggleClass('hide', !data.isLocked);
	}

	function onTopicMoved(data) {
		getTopicEl(data.tid).remove();
	}

	function onTopicPurged(data) {
		getTopicEl(data.tid).remove();
	}

	return CategoryTools;
});