"use strict";
(function () {
    'use strict';
    angular.module('changeModule')
        .directive('documentsTab', ['events', 'tabIds', 'ticketModel',
        function (events, tabIds, ticketModel) {
            return {
                restrict: 'E',
                replace: true,
                templateUrl: 'views/change/documents-tab.html',
                scope: {
                    isNoteRequired: '=',
                    context: '=',
                    docTypes: '=',
                    editMode: '=',
                    metadata: '=?'
                },
                link: function (scope) {
                    //var docTypes = scope.docTypes;
                    scope.$watch(function () {
                        return scope.documents;
                    }, function (newVal) {
                        if (newVal) {
                            scope.$parent.$parent.documents = scope.documents;
                        }
                    });
                    scope.attachmentLimit = 3;
                    scope.state = {
                        documentsSelected: false,
                        allDocumentsSelected: false
                    };
                    scope.defaultDocumentTypes = _.cloneDeep(scope.docTypes) || [];
                    scope.docTypesPicked = 0;
                    if (scope.editMode) {
                        scope.selectedDocumentTypes = scope.context.documents;
                        scope.docTypesPicked = scope.context.documents.length || 0;
                        scope.documentsChunked = chunkArray(scope.selectedDocumentTypes, 2);
                        if (scope.selectedDocumentTypes && scope.selectedDocumentTypes.length > 0) {
                            scope.state.documentsSelected = true;
                        }
                    }
                    else {
                        scope.context.documents = scope.selectedDocumentTypes;
                    }
                    scope.documentsTab = {
                        currentNote: { id: 'note', attachments: [] },
                        allUserNotes: []
                    };
                    scope.addNote = {
                        inputText: ''
                    };
                    scope.handleDocumentsControlButtonClick = function (documentSelected) {
                        if (!_.isUndefined(documentSelected) && documentSelected === 'docSelect' && scope.editMode) {
                            scope.markSelectedDocTypeInvisible();
                        }
                        scope.state.documentsSelected = !scope.state.documentsSelected;
                        scope.context.documents = scope.selectedDocumentTypes;
                        if (scope.editMode) {
                            scope.$emit(events.CHANGE_REQUEST_PLANS_EDIT_STATUS, { hideButtons: !scope.state.documentsSelected });
                        }
                    };
                    scope.markSelectedDocTypeInvisible = function () {
                        _.each(scope.selectedDocumentTypes, function (selectedDoc) {
                            _.each(scope.defaultDocumentTypes, function (defaultDocumentType) {
                                if (defaultDocumentType.name === selectedDoc.name) {
                                    defaultDocumentType.invisible = true;
                                }
                            });
                        });
                    };
                    scope.toggleDocumentBlock = function (docType, isRemove) {
                        docType.active = !docType.active;
                        docType.active ? scope.docTypesPicked++ : scope.docTypesPicked-- && (scope.state.allDocumentsSelected = false);
                        if (!docType.active) {
                            scope.selectedDocumentTypes = _.without(scope.selectedDocumentTypes, docType);
                        }
                        if (scope.selectedDocumentTypes === 0) {
                            scope.showSave = true;
                        }
                        if (scope.docTypesPicked === 0) {
                            _.forEach(scope.defaultDocumentTypes, function (defaultDocType) {
                                defaultDocType.active = false;
                                defaultDocType.plans = [];
                            });
                            scope.selectedDocumentTypes = [];
                            scope.documentsChunked = [];
                            scope.state.documentsSelected = false;
                            scope.$emit(events.CHANGE_REQUEST_PLANS_EDIT_STATUS, { hideButtons: true, showSave: true });
                        }
                        else {
                            if (!isRemove) {
                                scope.selectedDocumentTypes = _.filter(scope.defaultDocumentTypes, { active: true });
                                scope.documentsChunked = chunkArray(scope.selectedDocumentTypes, 2);
                            }
                        }
                    };
                    scope.handleKeydown = function ($event, item) {
                        if ($event.keyCode === 32) { // space key
                            scope.toggleDocumentBlock(item);
                            $event.stopPropagation();
                        }
                    };
                    scope.selectAllDocuments = function () {
                        scope.state.allDocumentsSelected = !scope.state.allDocumentsSelected;
                        scope.docTypesPicked = scope.state.allDocumentsSelected ? scope.defaultDocumentTypes.length : 0;
                        _.each(scope.defaultDocumentTypes, function (docType) {
                            docType.active = scope.state.allDocumentsSelected;
                        });
                        scope.selectedDocumentTypes = _.filter(scope.defaultDocumentTypes, { active: true });
                        scope.documentsChunked = chunkArray(scope.selectedDocumentTypes, 2);
                        return;
                    };
                    scope.addSameTypePlan = function (docType) {
                        docType.activePlanIndex = parseInt(docType.plans.push({ attachments: [], desc: '' }) - 1);
                    };
                    scope.removeActivePlanTab = function (docType) {
                        var activePlanIndex = docType.activePlanIndex;
                        if (!(docType.plans[docType.activePlanIndex].workNote && docType.plans[docType.activePlanIndex].workNote.locked)) {
                            docType.plans.splice(activePlanIndex, 1);
                            docType.activePlanIndex = 0;
                            if (docType.plans.length === 0) {
                                scope.toggleDocumentBlock(docType, true);
                                scope.documentsChunked = chunkArray(scope.selectedDocumentTypes, 2);
                            }
                            docType.invisible = false;
                        }
                        var replacementIndex = _.findIndex(scope.defaultDocumentTypes, function (doc) {
                            return doc.name === docType.name;
                        });
                        if (!_.isUndefined(replacementIndex) && replacementIndex !== -1) {
                            scope.defaultDocumentTypes[replacementIndex] = docType;
                        }
                    };
                    scope.changeDocumentTab = function (docType, plan) {
                        var idx = docType.plans.indexOf(plan);
                        docType.activePlanIndex = idx;
                        docType.isLocked = plan.workNote && plan.workNote.locked;
                    };
                    function chunkArray(arr, chunkSize) {
                        if (Object.prototype.toString.call(arr).slice(8, -1) !== 'Array') {
                            return arr;
                        }
                        return [].concat.apply([], arr.map(function (elem, i) {
                            if (!elem.plans || elem.plans.length === 0) {
                                elem.plans = [{ attachments: [], desc: '' }];
                            }
                            elem.activePlanIndex = 0;
                            return i % chunkSize ? [] : [arr.slice(i, i + chunkSize)];
                        }));
                    }
                    scope.$on(events.DISCARD_DOCUMENTS, function () {
                        scope.context.documents = [];
                        scope.state.documentsSelected = false;
                        scope.state.allDocumentsSelected = false;
                        _.each(scope.defaultDocumentTypes, function (docType) {
                            docType.active = scope.state.allDocumentsSelected;
                            docType.plans = [];
                            docType.plans.push({ attachments: [], desc: '' });
                            docType.activePlanIndex = 0;
                        });
                    });
                    scope.$watch(tabIds.wizard.documents + '.$invalid', function (invalid) {
                        if (typeof invalid !== 'undefined') {
                            scope.$emit(events.CHANGE_WIZARD_FORM_STATE, {
                                name: tabIds.wizard.documents,
                                invalid: invalid
                            });
                            scope.$emit(events.RELEASE_WIZARD_FORM_STATE, {
                                name: tabIds.wizard.documents,
                                invalid: invalid
                            });
                        }
                    });
                }
            };
        }
    ]);
})();