"use strict";
(function () {
    'use strict';
    angular.module('myitsmApp')
        .service('expressionEventManager', ['objectValueMapperService', 'expressionEvaluatorService', 'widgetDependencyHandlerService', '$log', '$timeout',
        function (objectValueMapperService, expressionEvaluatorService, widgetDependencyHandlerService, $log, $timeout) {
            function _evaluateFieldExpression(expObj, source) {
                if (!objectValueMapperService.isCopyChange()) {
                    $log.topic('expressions', 'Applying expression ' + expObj.expression + ' to field "' + expObj.field + '", property "' + expObj.property + '"');
                    var value = expressionEvaluatorService.evaluate(expObj.expression);
                    objectValueMapperService.setByProperty(expObj.field, expObj.property, value, expObj.isWidget, source);
                }
            }
            function _evaluateProviderActionExpression(fieldName, expObj) {
                if (!objectValueMapperService.isCopyChange()) {
                    $log.topic('expressions', 'Applying Provider action "' + expObj.action.actionName + '" with expression "' + expObj.expression + '"');
                    var value = expressionEvaluatorService.evaluate(expObj.expression);
                    if (value) {
                        objectValueMapperService.setProviderActionToExecute(expObj);
                    }
                    else {
                        objectValueMapperService.clearProviderActionFromList(expObj.action);
                        objectValueMapperService.clearProviderActionFieldName(fieldName, expObj.actionId);
                    }
                }
            }
            function handleFieldChange(fieldName, source) {
                $log.topic('expressions', 'Widget change "' + fieldName + '"');
                var expressions = objectValueMapperService.getExpreesionMapByFieldName(fieldName);
                if (expressions && expressions.length) {
                    _.each(expressions, function (expObj) {
                        _evaluateFieldExpression(expObj, source);
                    });
                }
                if (fieldName === 'company') {
                    widgetDependencyHandlerService.handleValueChange('company');
                }
            }
            function handleFieldChangeForActions(fieldName) {
                $log.topic('provider action expressions', 'Widget change "' + fieldName + '"');
                var providerActionExpressions = _.sortBy(objectValueMapperService.getProviderActionExpressionMapByFieldName(fieldName), function (paExpObj) { return paExpObj.action && paExpObj.action.sequenceNo; });
                if (providerActionExpressions && providerActionExpressions.length) {
                    _.each(providerActionExpressions, function (providerActionExpObj) {
                        $timeout(function () {
                            if (providerActionExpObj.action) {
                                providerActionExpObj.action.actionFieldName = fieldName;
                                providerActionExpObj.action.actionId = providerActionExpObj.actionId;
                            }
                            objectValueMapperService.setProviderActionFieldName(fieldName, providerActionExpObj.actionId);
                            _evaluateProviderActionExpression(fieldName, providerActionExpObj);
                        });
                    });
                }
            }
            function handleTicketLoad() {
                var fields = objectValueMapperService.getAllExpressionFields();
                _.each(fields, function (field) {
                    handleFieldChange(field, 'fromTicketLoad');
                });
            }
            function handleTicketLoadForActions() {
                var fields = objectValueMapperService.getAllProviderActionExpressionFields();
                _.each(fields, function (field) {
                    handleFieldChangeForActions(field);
                });
            }
            function handleOOTBFieldValueChange(fieldName, action, source) {
                var members = objectValueMapperService.getWidgetMembers(fieldName);
                _.each(members, function (member) {
                    $log.topic('expressions', 'Field Change "' + fieldName + '"');
                    handleFieldChange(member, source);
                });
                widgetDependencyHandlerService.handleValueChange(fieldName, action);
            }
            return {
                handleFieldChange: handleFieldChange,
                handleOOTBFieldValueChange: handleOOTBFieldValueChange,
                handleTicketLoad: handleTicketLoad,
                handleTicketLoadForActions: handleTicketLoadForActions,
                handleFieldChangeForActions: handleFieldChangeForActions
            };
        }]);
})();