(function() {
    "use strict";

    angular.module('shared')

        .factory('ShareFolder', ['LazModalService','$timeout', function (LazModalService,$timeout) {
            var factory = this;

            function ShareFolder() {
                var self = this;

                function ShareFolderController(folderService,MessageBox,messageHandler,close) {
                    var ctrl = this;
                    ctrl.editMode = false;
                    ctrl.teachers = null;
                    ctrl.pending = false;

                    var init = function() {
                        console.log('menu-folder.factory.js');
                        ctrl.folder = self.folder;
                        if (ctrl.folder.shared_with == "teachers") {
                            folderService.getTeachers(ctrl.folder.id).then(
                                function (response) {
                                    ctrl.teachers = response.data;
                                },
                                function (reason) {
                                    console.log(reason);
                                    messageHandler.publishError('There was a problem getting the list of teachers for your school.');
                                }
                            );
                        }
                    };
                    init();

                    ctrl.sharedTeacherMessage = function() {
                        if (ctrl.teachers == null || ctrl.editMode || ctrl.folder.shared_with != "teachers") {
                            return null;
                        }
                        var totalShared = 0;
                        for (var counter = 0;counter < ctrl.teachers.length;counter++) {
                            totalShared += ctrl.teachers[counter].selected ? 1 : 0;
                        }
                        if (totalShared < 1) {
                            return null;
                        }
                        return "This folder is being shared with " + totalShared + " teacher" + (totalShared > 1 ? "s" : "") + ".";
                    };

                    ctrl.close = function () {
                        close();
                    };

                    ctrl.isDistrict = function() {
                        return ctrl.folder.shared_with == "district";
                    };

                    ctrl.isSchool = function() {
                        return ctrl.folder.shared_with == "school";
                    };

                    ctrl.isTeachers = function() {
                        return ctrl.folder.shared_with == "teachers";
                    };

                    ctrl.clickedStopSharing = function() {
                        if (ctrl.pending) {
                            return;
                        }
                        ctrl.folder.new_shared_with = "n";
                        ctrl.editMode = false;
                        ctrl.saveSharedFolder();
                    };

                    ctrl.clickedDistrict = function() {
                        if (ctrl.isDistrict() || ctrl.pending) {
                            return;
                        }
                        ctrl.folder.new_shared_with = "district";
                        ctrl.editMode = false;
                        ctrl.saveSharedFolder();
                    };

                    ctrl.clickedSchool = function() {
                        if (ctrl.isSchool() || ctrl.pending) {
                            return;
                        }
                        ctrl.folder.new_shared_with = "school";
                        ctrl.editMode = false;
                        ctrl.saveSharedFolder();
                    };

                    ctrl.clickedCancel = function() {
                        ctrl.editMode = false;
                        var element = $j('.js-first-item');
                        if (element.length > 0) {
                            element.focus();
                        }
                    };

                    ctrl.clickedTeachers = function() {
                        if (ctrl.isTeachers() || ctrl.pending) {
                            return;
                        }
                        ctrl.clickedEdit();
                    };

                    ctrl.clickedEdit = function() {
                        if (ctrl.teachers != null) {
                            ctrl.setEditDisplay();
                        }
                        else {
                            folderService.getTeachers(ctrl.folder.id).then(
                                function (response) {
                                    ctrl.teachers = response.data;
                                    ctrl.setEditDisplay();
                                },
                                function (reason) {
                                    console.log(reason);
                                    messageHandler.publishError('There was a problem getting the list of teachers for your school.');
                                }
                            );
                        }
                    };

                    ctrl.setEditDisplay = function() {
                        for (var counter=0;counter < ctrl.teachers.length;counter++) {
                            ctrl.teachers[counter].newSelected = ctrl.teachers[counter].selected;
                        }
                        ctrl.folder.new_shared_with = "teachers";
                        ctrl.editMode = true;
                    };

                    // Recursively marks all subfolders with share status
                    ctrl.markAllSubfolders = function(children, isShared) {
                        for (var counter = 0; counter < children.length; counter++) {
                            var oneFolder = children[counter];
                            oneFolder.shared_with = isShared;
                            var newChildren = oneFolder.children;
                            if (newChildren != null && newChildren.length > 0) {
                                ctrl.markAllSubfolders(newChildren, isShared);
                            }
                        }
                    };

                    // Save list of teachers
                    ctrl.pressedShare = function() {
                        if (ctrl.pending) {
                            return;
                        }
                        var anySelected = false;
                        if (ctrl.teachers != null) {
                            for (var counter = 0;counter < ctrl.teachers.length;counter++) {
                                if (ctrl.teachers[counter].newSelected) {
                                    anySelected = true;
                                    break;
                                }
                            }
                        }
                        if (!anySelected) {
                            ctrl.showMessage("You must select at least one teacher.");
                            return;
                        }
                        ctrl.saveSharedFolder();
                    };

                    ctrl.showMessage = function(myMessage) {
                        if (ctrl.messageBoxOpen) {
                            return;
                        }
                        ctrl.messageBoxOpen = true;
                        MessageBox.show({
                            message: myMessage,
                            responses: [
                                {
                                    id: 'continueRename',
                                    confirm: true,
                                    label: 'Continue'
                                }
                            ]
                        }).then(function (response) {
                            ctrl.messageBoxOpen = false;
                        });
                    };

                    ctrl.clearTeacherSelections = function() {
                        if (ctrl.teachers == null) {
                            return;
                        }
                        for (var counter = 0;counter < ctrl.teachers.length;counter++) {
                            ctrl.teachers[counter].selected = ctrl.teachers[counter].newSelected = false;
                        }
                    };

                    ctrl.saveSharedFolder = function() {
                        ctrl.pending = true;
                        var data = {
                            folder_id: ctrl.folder.id,
                            shared_with: ctrl.folder.new_shared_with
                        };
                        if (ctrl.folder.new_shared_with == 'teachers' && ctrl.teachers != null) {
                            var teacherMemberIDString = '';
                            for (var counter = 0;counter < ctrl.teachers.length;counter++) {
                                ctrl.teachers[counter].selected = ctrl.teachers[counter].newSelected;
                                if (ctrl.teachers[counter].selected) {
                                    teacherMemberIDString = teacherMemberIDString + ctrl.teachers[counter].member_id + ",";
                                }
                            }
                            teacherMemberIDString = teacherMemberIDString.substring(0, teacherMemberIDString.length-1);
                            data = {
                                folder_id: ctrl.folder.id,
                                shared_with: ctrl.folder.new_shared_with,
                                teacher_member_ids: teacherMemberIDString
                            };
                        }
                        folderService.shareFolder(data).then(
                            function (response) {
                                var result = response.data;
                                if (result == "1") {
                                    ctrl.close();
                                    if (ctrl.folder.shared_with != 'teachers') {
                                        ctrl.clearTeacherSelections();
                                    }
                                    ctrl.editMode = false;
                                    var children = [ctrl.folder];
                                    var isShared = ctrl.folder.new_shared_with;
                                    ctrl.markAllSubfolders(children, isShared);
                                    var message = "This folder is no longer shared and can only be viewed by you.";
                                    switch (isShared) {
                                        case "district": message = "This folder is now shared and can be viewed by all members of your district."; break;
                                        case "school":   message = "This folder is now shared and can be viewed by all members in your school.";   break;
                                        case "teachers": message = "This folder is now shared and can be viewed by all selected teachers.";        break;
                                    }
                                    messageHandler.publishSuccess(message);
                                }
                                else {
                                    messageHandler.publishError('Could not share or unshare folder.');
                                }
                                ctrl.pending = false;
                            },
                            function (reason) {
                                ctrl.pending = false;
                                messageHandler.publishError('Could not share or unshare folder.');
                            }
                        );
                    };
                }

                self.show = function (folder) {
                    self.folder = folder;
                    LazModalService.showModal({
                        controller: ['folderService', 'MessageBox', 'messageHandler', 'close', ShareFolderController],
                        controllerAs: '$ctrl',
                        overrideStyle: 'width: 650px;',
                        templateUrl: '/shared/js/angular/file-cabinet/share-folder.html'
                    });
                }
            }

            return new ShareFolder();
        }]);
}());