(function () {
    'use strict';
    var app = angular.module('calendar');
    var templatePath = modulesSharedResourcesUrl + 'Modules/Calendar/Views/';

    app.directive('calendar', ['$injector', 'config', 'common', '$rootScope', '$location', '$modal', '$filter', 'calendarDataContext', 'user', 'myUsersDataContext', function ($injector, config, common, $rootScope, $location, $modal, $filter, calendarDataContext, user, myUsersDataContext) {
        return {
            restrict: 'E',
            templateUrl: templatePath + 'calendar.html',
            scope: {
                isStudent: '='
            },
            link: link
        };

        function link($scope, elem, attrs) {
            var getLogFn = common.logger.getLogFn;
            var log = getLogFn('calendar');
            var logSuccess = getLogFn('calendar', "success");

            $scope.calendarView = 'week';
            $scope.viewDate = $filter('date')(moment().toDate(), "yyyy-MM-dd");
            $scope.excludedDays = [0, 6];
            $scope.cellIsOpen = true;

            if (!$scope.isStudent) {
                var myFormsAdminDataContext = $injector.get('myFormsAdminDataContext');
            } else {
                var myFormsAdminDataContext = $injector.get('myFormsDataContext');
            }

            activate();

            function getCalendars() {
                if (!$scope.isStudent) {
                    myUsersDataContext.getOrganisationsFullFlat(2).then(function (groups) {
                        $scope.calendars = groups;

                        if (groups.length > 0) {
                            $scope.setNewCalendar($scope.currentOrgId ? $scope.currentOrgId : groups[0].id);
                        }
                    });
                } else {
                    myUsersDataContext.getOrganisations().then(function (groups) {
                        $scope.calendars = groups.filter(function (group) {
                            return group.type == 2;
                        });

                        if ($scope.calendars.length > 0) {
                            $scope.setNewCalendar($scope.currentOrgId ? $scope.currentOrgId : $scope.calendars[0].id);
                        }
                    });
                }
            }

            $scope.setNewCalendar = function (orgId) {
                $scope.currentOrgId = orgId;
                $scope.calendarLoaded = false;
                calendarDataContext.getCalendarByOrgId(orgId).then(function (data) {
                    for (i in data.events) {
                        data.events[i].startsAt = new Date(data.events[i].startsAt);
                        data.events[i].endsAt = new Date(data.events[i].endsAt);
                        data.events[i].dayHeight = moment(data.events[i].endsAt).diff(data.events[i].startsAt, 'minutes');

                        if ($scope.isStudent && data.events[i].type === 'meeting' && data.events[i].title !== ($scope.user.firstName + " " + $scope.user.lastName)) {
                            data.events[i].title = 'Unavailable';
                            data.events[i].description = '';
                            data.events[i].color = {
                                primary: "#444444",
                                secondary: "#b4b4b4"
                            };
                            data.events[i].disabled = true;
                        }
                    }

                    user.getUserProfile(data.createdBy).then(function (data) {
                        $scope.tutor = data;
                    });

                    $scope.calendar = data;
                    $scope.events = data.events;
                    $scope.calendarLoaded = true;
                });
                if (!$scope.isStudent) {
                    myUsersDataContext.getUsers(orgId).then(function (data) {
                        for (i in data) {
                            data[i].name = data[i].firstName + " " + data[i].lastName;
                        }
                        $scope.users = data;
                    });
                }
            }

            function activate() {
                NProgress.done();
                log('Activated Calendar View');
         
                user.getProfile().then(function (data) {
                    $scope.user = data;
                    getCalendars();
                })
            }

            $scope.eventTimesChanged = function (event) {
                vm.viewDate = event.startsAt;
                alert('Dragged and dropped');
            };

            $scope.eventClicked = function (event) {
                if (event.disabled)
                    return;

                if (event.type === 'available' && !event.editAvailability) {
                    $scope.manageEvent({
                        type: 'meeting',
                        startsAt: moment(event.startsAt).toDate(),
                        title: $scope.user.firstName + " " + $scope.user.lastName,
                        endsAt: moment(event.startsAt).add(1, 'hour').toDate(),
                        draggable: true,
                        resizable: true,
                        factors: [],
                        recursOn: null,
                        color: {
                            primary: "#009ee3",
                            secondary: "#ccecf9"
                        }
                    }, false);
                } else {
                    if (!$scope.isStudent) {
                        $scope.manageEvent(event, true, event.type);
                    } else {
                        $scope.viewEvent(event);
                    }
                }
            }
        
            $scope.timespanClicked = function (date) {
                if (!$scope.isStudent) {
                    $scope.manageEvent({
                        type: 'meeting',
                        startsAt: moment(date).toDate(),
                        title: '',
                        endsAt: moment(date).add(1, 'hour').toDate(),
                        draggable: true,
                        resizable: true,
                        factors: [],
                        recursOn: null,
                        color: {
                            primary: "#009ee3",
                            secondary: "#ccecf9"
                        }
                    }, false);
                }
            };


            $scope.manageEvent = function (event, isEdit, type) {

                $modal.open({
                    templateUrl: templatePath + 'addevent.html',
                    controller: manageEventController,
                    size: type === 'available' || $scope.isStudent ? 'sm' : 'lg',
                    backdrop: 'static',
                    resolve: {
                        event: function () {
                            return event;
                        },
                        isEdit: function () {
                            return isEdit;
                        },
                        getCalendars: function () {
                            return getCalendars;
                        },
                        calendar: function () {
                            return $scope.calendar;
                        },
                        viewDate: function () {
                            return $scope.viewDate;
                        },
                        type: function () {
                            return type;
                        },
                        users: function () {
                            return $scope.users;
                        },
                        isStudent: function() {
                            return $scope.isStudent;
                        },
                        user: function () {
                            return $scope.user;
                        },
                        tutor: function () {
                            return $scope.tutor;
                        },
                    }
                });
            }

            $scope.viewEvent = function (event) {
                $modal.open({
                    templateUrl: templatePath + 'viewevent.html',
                    controller: viewEventController,
                    size: 'sm',
                    backdrop: 'static',
                    resolve: {
                        event: function () {
                            return event;
                        },
                        calendar: function () {
                            return $scope.calendar;
                        }
                    }
                });
            }


            var manageEventController = function (common, $scope, $modalInstance, event, isEdit, getCalendars, calendar, viewDate, type, users, isStudent, user, tutor) {
                $scope.event = event;
                $scope.viewDate = viewDate;
                $scope.users = users;
                $scope.user = user;
                $scope.isStudent = isStudent;
                $scope.tutor = tutor;
                $scope.eventUser = $scope.event && $scope.users ? $scope.users.find(function (element) {
                    return element.name === $scope.event.title;
                }) : null; 
                // Are we editing the event?
                $scope.isEdit = isEdit;

                if ($scope.event) {
                    if ($scope.event.id) {
                        $scope.isEdit = true;
                    }
                }

                // Create blank event model
                if (!$scope.event) {
                    $scope.event = {
                        title: type === 'available' ? 'Available' : '',
                        startsAt: moment($scope.viewDate).toDate(),
                        endsAt: moment($scope.viewDate).add(1, 'hour').toDate(),
                        draggable: true,
                        resizable: true,
                        type: type,
                        factors: [],
                        recursOn: null,
                        color: type === 'meeting' ? {
                            primary: "#009ee3",
                            secondary: "#ccecf9"
                        } : {
                                primary: "#7abe5c",
                                secondary: "#bddfae"
                            }
                     
                    }
                }

                // Set the calendar ID for the event
                $scope.event.calendarId = calendar.id;

                $scope.toggle = function ($event, field, event) {
                    $event.preventDefault();
                    $event.stopPropagation();
                    event[field] = !event[field];
                };

                // Open th start day popup
                $scope.openStart = function () {
                    $scope.showStartDate = true;
                };

                // Convert the hex to an translucent rgba
                function hexToRgbA(hex) {
                    var c;
                    if (/^#([A-Fa-f0-9]{3}){1,2}$/.test(hex)) {
                        c = hex.substring(1).split('');
                        if (c.length == 3) {
                            c = [c[0], c[0], c[1], c[1], c[2], c[2]];
                        }
                        c = '0x' + c.join('');
                        return 'rgba(' + [(c >> 16) & 255, (c >> 8) & 255, c & 255].join(',') + ',0.2)';
                    }
                    // It's already in rgba format
                    return hex;
                }

                // Get all the available forms for a user
                function getAvailableForms() {
                    myFormsAdminDataContext.getTemplatesICanManage().then(function (data) {
                        $scope.availableForms = [];
                        for (i in data) {
                            if (data[i].isPublished && data[i].formType != 5) { //don't include activity types
                                $scope.availableForms.push(data[i]);
                            }
                            if ($scope.event.factors.length > 0 && data[i].id === $scope.event.factors[0].factorId) {
                                $scope.selectedForm = data[i];
                            }
                        }
                        $scope.availableFormsLoaded = true;
                    });
                }

                if (!$scope.isStudent)
                    getAvailableForms();

                //Set the form template as the response type
                $scope.setSelectedForm = function (selectedForm) {
                    $scope.selectedForm = selectedForm;

                    if (selectedForm) {
                        $scope.event.factors.push({
                            factorId: selectedForm.id
                        });
                    }
                }

                // Save the event
                $scope.saveEvent = function () {

                    if ($scope.event.type === 'meeting')
                        $scope.event.title = $scope.isStudent ? $scope.user.firstName + " " + $scope.user.lastName : $scope.eventUser.name;

                    if ($scope.event.endsAt == null) {
                        $scope.event.endsAt = $scope.event.startsAt;
                    }

                    if ($scope.event.allDay) {
                        $scope.event.startsAt = moment($scope.event.startsAt).startOf('day').add(1, 'minutes').toDate();
                        $scope.event.endsAt = moment($scope.event.endsAt).endOf('day').subtract(1, 'minutes').toDate();
                    }
                    if ($scope.event.id) {
                        calendarDataContext.updateCalendarEvent($scope.event).then(function (data) {
                            logSuccess("Event " + $scope.event.title + " updated");
                            getCalendars();
                            $modalInstance.dismiss('cancel');
                        });
                    } else {
                        calendarDataContext.createCalendarEvent($scope.event).then(function (data) {
                            logSuccess("Event " + $scope.event.title + " created");
                            getCalendars();
                            $modalInstance.dismiss('cancel');

                            if ($scope.event.type === 'meeting') {
                                var o365MeetingRequest =
                                {
                                    subject: $scope.event.title,
                                    body: $scope.event.description,
                                    start: $scope.event.startsAt,
                                    end: $scope.event.endsAt,
                                    attendees: $scope.user.email.email + ";" + $scope.isStudent ? $scope.tutor.email.email : $scope.eventUser.email,
                                    creator: $scope.user.email.email
                                };

                                calendarDataContext.createo365Event(o365MeetingRequest).then(function (data) {
                                    console.log('Created o365 event');
                                });
                            }
                        });
                    }
                }

                // Remove an event
                $scope.removeEvent = function () {
                    calendarDataContext.deleteCalendarEvent($scope.event).then(function (data) {
                        logSuccess("Log " + $scope.event.title + " removed");
                        getCalendars();
                        $modalInstance.dismiss('cancel');
                    });
                }

                //close the modal
                $scope.cancel = function () {
                    $modalInstance.dismiss('cancel');
                };
            }

            var viewEventController = function (common, $scope, $modalInstance, event, calendar) {
                $scope.event = event;

                user.getUserProfile($scope.event.createdBy).then(function (data) {
                    $scope.creator = data;
                });

                if ($scope.event.factors.length > 0) {
                    myFormsAdminDataContext.getFormTemplate($scope.event.factors[0].factorId).then(function (form) {
                        $scope.selectedForm = form
                    });
                }

                //close the modal
                $scope.cancel = function () {
                    $modalInstance.dismiss('cancel');
                };
            }
        }

    }]);


})();