OC.Share={
	SHARE_TYPE_USER:0,
	SHARE_TYPE_GROUP:1,
	SHARE_TYPE_LINK:3,
	SHARE_TYPE_EMAIL:4,
	itemShares:[],
	statuses:[],
	droppedDown:false,
	loadIcons:function(itemType) {
		// Load all share icons
		$.get(OC.filePath('core', 'ajax', 'share.php'), { fetch: 'getItemsSharedStatuses', itemType: itemType }, function(result) {
			if (result && result.status === 'success') {
				$.each(result.data, function(item, hasPrivateLink) {
					// Private links override shared in terms of icon display
					if (itemType != 'file' && itemType != 'folder') {
						if (hasPrivateLink) {
							var image = OC.imagePath('core', 'actions/public');
						} else {
							var image = OC.imagePath('core', 'actions/shared');
						}
						$('a.share[data-item="'+item+'"]').css('background', 'url('+image+') no-repeat center');
					}
					OC.Share.statuses[item] = hasPrivateLink;
				});
			}
		});
	},
	updateIcon:function(itemType, itemSource) {
		if (itemType == 'file' || itemType == 'folder') {
			var filename = $('tr').filterAttr('data-id', String(itemSource)).data('file');
			if ($('#dir').val() == '/') {
				itemSource = $('#dir').val() + filename;
			} else {
				itemSource = $('#dir').val() + '/' + filename;
			}
		}
		var shares = false;
		$.each(OC.Share.itemShares, function(index) {
			if (OC.Share.itemShares[index].length > 0) {
				shares = true;
				return;
			}
		});
		if (shares) {
			$('a.share[data-item="'+itemSource+'"]').css('background', 'url('+OC.imagePath('core', 'actions/shared')+') no-repeat center');
			if (typeof OC.Share.statuses[itemSource] === 'undefined') {
				OC.Share.statuses[itemSource] = false;
			}
		} else {
			if (itemType != 'file' && itemType != 'folder') {
				$('a.share[data-item="'+itemSource+'"]').css('background', 'url('+OC.imagePath('core', 'actions/share')+') no-repeat center');
			}
			delete OC.Share.statuses[itemSource];
		}
	},
	loadItem:function(itemType, itemSource) {
		var data = '';
		var checkReshare = true;
		// Switch file sources to path to check if status is set
		if (itemType == 'file' || itemType == 'folder') {
			var filename = $('tr').filterAttr('data-id', String(itemSource)).data('file');
			if ($('#dir').val() == '/') {
				var item = $('#dir').val() + filename;
			} else {
				var item = $('#dir').val() + '/' + filename;
			}
			if (item.substring(0, 8) != '/Shared/') {
				checkReshare = false;
			}
		} else {
			var item = itemSource;
		}
		if (typeof OC.Share.statuses[item] === 'undefined') {
			checkShares = false;
		} else {
			checkShares = true;
		}
		$.ajax({type: 'GET', url: OC.filePath('core', 'ajax', 'share.php'), data: { fetch: 'getItem', itemType: itemType, itemSource: itemSource, checkReshare: checkReshare, checkShares: checkShares }, async: false, success: function(result) {
			if (result && result.status === 'success') {
				data = result.data;
			} else {
				data = false;
			}
		}});
		return data;
	},
	share:function(itemType, itemSource, shareType, shareWith, permissions, callback) {
		$.post(OC.filePath('core', 'ajax', 'share.php'), { action: 'share', itemType: itemType, itemSource: itemSource, shareType: shareType, shareWith: shareWith, permissions: permissions }, function(result) {
			if (result && result.status === 'success') {
				if (callback) {
					callback(result.data);
				}
			} else {
				OC.dialogs.alert(result.data.message, 'Error while sharing');
			}
		});
	},
	unshare:function(itemType, itemSource, shareType, shareWith, callback) {
		$.post(OC.filePath('core', 'ajax', 'share.php'), { action: 'unshare', itemType: itemType, itemSource: itemSource, shareType: shareType, shareWith: shareWith }, function(result) {
			if (result && result.status === 'success') {
				if (callback) {
					callback();
				}
			} else {
				OC.dialogs.alert('Error', 'Error while unsharing');
			}
		});
	},
	setPermissions:function(itemType, itemSource, shareType, shareWith, permissions) {
		$.post(OC.filePath('core', 'ajax', 'share.php'), { action: 'setPermissions', itemType: itemType, itemSource: itemSource, shareType: shareType, shareWith: shareWith, permissions: permissions }, function(result) {
			if (!result || result.status !== 'success') {
				OC.dialogs.alert('Error', 'Error while changing permissions');
			}
		});
	},
	showDropDown:function(itemType, itemSource, appendTo, link, possiblePermissions) {
		var data = OC.Share.loadItem(itemType, itemSource);
		var html = '<div id="dropdown" class="drop" data-item-type="'+itemType+'" data-item-source="'+itemSource+'">';
		if (data.reshare) {
			if (data.reshare.share_type == OC.Share.SHARE_TYPE_GROUP) {
				html += '<span class="reshare">Shared with you and the group '+data.reshare.share_with+' by '+data.reshare.uid_owner+'</span>';
			} else {
				html += '<span class="reshare">Shared with you by '+data.reshare.uid_owner+'</span>';
			}
			html += '<br />';
		}
		if (possiblePermissions & OC.PERMISSION_SHARE) {
			html += '<input id="shareWith" type="text" placeholder="Share with" />';
			html += '<ul id="shareWithList">';
			html += '</ul>';
			if (link) {
				html += '<div id="link">';
				html += '<input type="checkbox" name="linkCheckbox" id="linkCheckbox" value="1" /><label for="linkCheckbox">Share with link</label>';
				// TODO Change to lock/unlock icon?
				html += '<a href="#" id="showPassword" style="display:none;"><img class="svg" alt="Password protect" src="'+OC.imagePath('core', 'actions/triangle-n')+'"/></a>';
				html += '<br />';
				html += '<input id="linkText" type="text" readonly="readonly" />';
				html += '<div id="linkPass">';
				html += '<input id="linkPassText" type="password" placeholder="Password" />';
				html += '</div>'
				html += '</div>';
			}
			html += '</div>';
			$(html).appendTo(appendTo);
			// Reset item shares
			OC.Share.itemShares = [];
			if (data.shares) {
				$.each(data.shares, function(index, share) {
					if (share.share_type == OC.Share.SHARE_TYPE_LINK) {
						OC.Share.showLink(itemSource, share.share_with);
					} else {
						OC.Share.addShareWith(share.share_type, share.share_with, share.permissions, possiblePermissions);
					}
				});
			}
			$('#shareWith').autocomplete({minLength: 2, source: function(search, response) {
	// 			if (cache[search.term]) {
	// 				response(cache[search.term]);
	// 			} else {
					$.get(OC.filePath('core', 'ajax', 'share.php'), { fetch: 'getShareWith', search: search.term, itemShares: OC.Share.itemShares }, function(result) {
						if (result.status == 'success' && result.data.length > 0) {
							response(result.data);
						} else {
							// Suggest sharing via email if valid email address
							var pattern = new RegExp(/^[+a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/i);
							if (pattern.test(search.term)) {
								response([{label: 'Share via email: '+search.term, value: {shareType: OC.Share.SHARE_TYPE_EMAIL, shareWith: search.term}}]);
							} else {
								response(['No people found']);
							}
						}
					});
	// 			}
			},
			focus: function(event, focused) {
				event.preventDefault();
			},
			select: function(event, selected) {
				var itemType = $('#dropdown').data('item-type');
				var itemSource = $('#dropdown').data('item-source');
				var shareType = selected.item.value.shareType;
				var shareWith = selected.item.value.shareWith;
				$(this).val(shareWith);
				// Default permissions are Read and Share
				var permissions = OC.PERMISSION_READ | OC.PERMISSION_SHARE;
				OC.Share.share(itemType, itemSource, shareType, shareWith, permissions, function() {
					OC.Share.addShareWith(shareType, shareWith, permissions, possiblePermissions);
					$('#shareWith').val('');
					OC.Share.updateIcon(itemType, itemSource);
				});
				return false;
			}
			});
		} else {
			html += '<input id="shareWith" type="text" placeholder="Resharing is not allowed" style="width:90%;" disabled="disabled"/>';
			html += '</div>';
			$(html).appendTo(appendTo);
		}
		$('#dropdown').show('blind', function() {
			OC.Share.droppedDown = true;
		});
		$('#shareWith').focus();
	},
	hideDropDown:function(callback) {
		$('#dropdown').hide('blind', function() {
			OC.Share.droppedDown = false;
			$('#dropdown').remove();
			if (typeof FileActions !== 'undefined') {
				$('tr').removeClass('mouseOver');
			}
			if (callback) {
				callback.call();
			}
		});
	},
	addShareWith:function(shareType, shareWith, permissions, possiblePermissions) {
		if (!OC.Share.itemShares[shareType]) {
			OC.Share.itemShares[shareType] = [];
		}
		OC.Share.itemShares[shareType].push(shareWith);
		var editChecked = createChecked = updateChecked = deleteChecked = shareChecked = '';
		if (permissions & OC.PERMISSION_CREATE) {
			createChecked = 'checked="checked"';
			editChecked = 'checked="checked"';
		}
		if (permissions & OC.PERMISSION_UPDATE) {
			updateChecked = 'checked="checked"';
			editChecked = 'checked="checked"';
		}
		if (permissions & OC.PERMISSION_DELETE) {
			deleteChecked = 'checked="checked"';
			editChecked = 'checked="checked"';
		}
		if (permissions & OC.PERMISSION_SHARE) {
			shareChecked = 'checked="checked"';
		}
		var html = '<li style="clear: both;" data-share-type="'+shareType+'" data-share-with="'+shareWith+'">';
		html += shareWith;
		if (possiblePermissions & OC.PERMISSION_CREATE || possiblePermissions & OC.PERMISSION_UPDATE || possiblePermissions & OC.PERMISSION_DELETE) {
			if (editChecked == '') {
				html += '<label style="display:none;">';
			} else {
				html += '<label>';
			}
			html += '<input type="checkbox" name="edit" class="permissions" '+editChecked+' />can edit</label>';
		}
		html += '<a href="#" class="showCruds" style="display:none;"><img class="svg" alt="Unshare" src="'+OC.imagePath('core', 'actions/triangle-s')+'"/></a>';
		html += '<a href="#" class="unshare" style="display:none;"><img class="svg" alt="Unshare" src="'+OC.imagePath('core', 'actions/delete')+'"/></a>';
		html += '<div class="cruds" style="display:none;">';
			if (possiblePermissions & OC.PERMISSION_CREATE) {
				html += '<label><input type="checkbox" name="create" class="permissions" '+createChecked+' data-permissions="'+OC.PERMISSION_CREATE+'" />create</label>';
			}
			if (possiblePermissions & OC.PERMISSION_UPDATE) {
				html += '<label><input type="checkbox" name="update" class="permissions" '+updateChecked+' data-permissions="'+OC.PERMISSION_UPDATE+'" />update</label>';
			}
			if (possiblePermissions & OC.PERMISSION_DELETE) {
				html += '<label><input type="checkbox" name="delete" class="permissions" '+deleteChecked+' data-permissions="'+OC.PERMISSION_DELETE+'" />delete</label>';
			}
			if (possiblePermissions & OC.PERMISSION_SHARE) {
				html += '<label><input type="checkbox" name="share" class="permissions" '+shareChecked+' data-permissions="'+OC.PERMISSION_SHARE+'" />share</label>';
			}
		html += '</div>';
		html += '</li>';
		$(html).appendTo('#shareWithList');

	},
	showLink:function(itemSource, password) {
		$('#linkCheckbox').attr('checked', true);
		var filename = $('tr').filterAttr('data-id', String(itemSource)).data('file');
		if ($('#dir').val() == '/') {
			var file = $('#dir').val() + filename;
		} else {
			var file = $('#dir').val() + '/' + filename;
		}
		file = '/'+OC.currentUser+'/files'+file;
		var link = parent.location.protocol+'//'+location.host+OC.linkTo('', 'public.php')+'?service=files&file='+file;
		$('#linkText').val(link);
		$('#linkText').show('blind');
		$('#showPassword').show();
		if (password != null) {
			$('#linkPass').show('blind');
			$('#linkPassText').attr('placeholder', 'Password protected');
		}
	},
	hideLink:function() {
		$('#linkText').hide('blind');
		$('#showPassword').hide();
		$('#linkPass').hide();
	},
	dirname:function(path) {
		return path.replace(/\\/g,'/').replace(/\/[^\/]*$/, '');
	}
}

$(document).ready(function() {

	$('a.share').live('click', function(event) {
		event.stopPropagation();
		if ($(this).data('item-type') !== undefined && $(this).data('item') !== undefined) {
			var itemType = $(this).data('item-type');
			var itemSource = $(this).data('item');
			var appendTo = $(this).parent().parent();
			var link = false;
			var possiblePermissions = $(this).data('possible-permissions');
			if ($(this).data('link') !== undefined && $(this).data('link') == true) {
				link = true;
			}
			if (OC.Share.droppedDown) {
				if (itemSource != $('#dropdown').data('item')) {
					OC.Share.hideDropDown(function () {
						OC.Share.showDropDown(itemType, itemSource, appendTo, link, possiblePermissions);
					});
				} else {
					OC.Share.hideDropDown();
				}
			} else {
				OC.Share.showDropDown(itemType, itemSource, appendTo, link, possiblePermissions);
			}
		}
	});

	$(this).click(function(event) {
		if (OC.Share.droppedDown && !($(event.target).hasClass('drop')) && $('#dropdown').has(event.target).length === 0) {
			OC.Share.hideDropDown();
		}
	});

	$('#shareWithList li').live('mouseenter', function(event) {
		// Show permissions and unshare button
		$(':hidden', this).filter(':not(.cruds)').show();
	});

	$('#shareWithList li').live('mouseleave', function(event) {
		// Hide permissions and unshare button
		if (!$('.cruds', this).is(':visible')) {
			$('a', this).hide();
			if (!$('input[name="edit"]', this).is(':checked')) {
				$('input:[type=checkbox]', this).hide();
				$('label', this).hide();
			}
		} else {
			$('a.unshare', this).hide();
		}
	});

	$('.showCruds').live('click', function() {
		$(this).parent().find('.cruds').toggle();
	});

	$('.unshare').live('click', function() {
		var li = $(this).parent();
		var itemType = $('#dropdown').data('item-type');
		var itemSource = $('#dropdown').data('item-source');
		var shareType = $(li).data('share-type');
		var shareWith = $(li).data('share-with');
		OC.Share.unshare(itemType, itemSource, shareType, shareWith, function() {
			$(li).remove();
			var index = OC.Share.itemShares[shareType].indexOf(shareWith);
			OC.Share.itemShares[shareType].splice(index, 1);
			OC.Share.updateIcon(itemType, itemSource);
		});
	});

	$('.permissions').live('change', function() {
		if ($(this).attr('name') == 'edit') {
			var li = $(this).parent().parent()
			var checkboxes = $('.permissions', li);
			var checked = $(this).is(':checked');
			// Check/uncheck Create, Update, and Delete checkboxes if Edit is checked/unck
			$(checkboxes).filter('input[name="create"]').attr('checked', checked);
			$(checkboxes).filter('input[name="update"]').attr('checked', checked);
			$(checkboxes).filter('input[name="delete"]').attr('checked', checked);
		} else {
			var li = $(this).parent().parent().parent();
			var checkboxes = $('.permissions', li);
			// Uncheck Edit if Create, Update, and Delete are not checked
			if (!$(this).is(':checked') && !$(checkboxes).filter('input[name="create"]').is(':checked') && !$(checkboxes).filter('input[name="update"]').is(':checked') && !$(checkboxes).filter('input[name="delete"]').is(':checked')) {
				$(checkboxes).filter('input[name="edit"]').attr('checked', false);
			// Check Edit if Create, Update, or Delete is checked
			} else if (($(this).attr('name') == 'create' || $(this).attr('name') == 'update' || $(this).attr('name') == 'delete')) {
				$(checkboxes).filter('input[name="edit"]').attr('checked', true);
			}
		}
		var permissions = OC.PERMISSION_READ;
		$(checkboxes).filter(':not(input[name="edit"])').filter(':checked').each(function(index, checkbox) {
			permissions |= $(checkbox).data('permissions');
		});
		OC.Share.setPermissions($('#dropdown').data('item-type'), $('#dropdown').data('item-source'), $(li).data('share-type'), $(li).data('share-with'), permissions);
	});

	$('#linkCheckbox').live('change', function() {
		var itemType = $('#dropdown').data('item-type');
		var itemSource = $('#dropdown').data('item-source');
		if (this.checked) {
			// Create a link
			OC.Share.share(itemType, itemSource, OC.Share.SHARE_TYPE_LINK, '', OC.PERMISSION_READ, function() {
				OC.Share.showLink(itemSource);
				// TODO Change icon
			});
		} else {
			// Delete private link
			OC.Share.unshare(itemType, itemSource, OC.Share.SHARE_TYPE_LINK, '', function() {
				OC.Share.hideLink();
			});
		}
	});

	$('#linkText').live('click', function() {
		$(this).focus();
		$(this).select();
	});

	$('#showPassword').live('click', function() {
		$('#linkPass').toggle('blind');
	});

	$('#linkPassText').live('keyup', function(event) {
		if (event.keyCode == 13) {
			var itemType = $('#dropdown').data('item-type');
			var itemSource = $('#dropdown').data('item-source');
			OC.Share.share(itemType, itemSource, OC.Share.SHARE_TYPE_LINK, $(this).val(), OC.PERMISSION_READ, function() {
				$('#linkPassText').val('');
				$('#linkPassText').attr('placeholder', 'Password protected');
			});
		}
	});
});