calculator.js

(function() {
    var calculator = angular.module('calculator', ['ui.check']);

    calculator.controller('FormCtrl', ['$scope', '$http', function($scope, $http) {

        $scope.selections = {
            planType             : null,
            existingClient       : null,
            twins                : null,
            hospitalType         : null,
            birthingDueDate      : null,
            paymentTerm          : null
        }

        $scope.hospitalTypeProxy      = null;
        $scope.page2                  = false;
        $scope.isCalculateBtnDisabled = true;

        $scope.planTypes = [
            {name: 'Cord Blood'},
            {name: 'Cord Blood + Tissue'}
        ];

        $scope.paymentTerms = [
            {name: 'One Time Payment'},
            {name: '12 monthly payments of'},
            {name: '24 monthly payments of'}
        ];

        $scope.discounts = {
            existingClients: [
                {name: 'Yes', values: []},
                {name: 'No', values: []}
            ],

            expectingTwins: [
                {name: 'Yes', values: []},
                {name: 'No', values: []}
            ],

            hospitalTypes: [
                {name: 'Public', values: []},
                {name: 'Private', values: []}
            ]
        };

        $scope.isReadyToCalculate = function() {
            var isDisabled = false;
            angular.forEach($scope.selections, function(value, key) {
                if (value === null) {
                    isDisabled = true;
                }

            });

            $scope.isCalculateBtnDisabled = isDisabled;
        };

        $scope.turnPage = function() {
            $scope.calculate();
            $scope.page2 = true;
        };

        $scope.$watch('hospitalTypeProxy', function(value) {
            if (value == 0 || value == 1) {
                $scope.selections.hospitalType = $scope.discounts.hospitalTypes[value];
            }
        }, true);

        $scope.$watch('hospitalType', function(value) {
            if (value.name == 'Public') {
                $scope.hospitalTypeProxy = 0;
            } else {
                $scope.hospitalTypeProxy = 1;
            }
        }, true);

        $scope.calculate = function() {
            $scope.results = [];

            getPlans();
            filterPlansByType($scope.selections.planType.name);
            filterPlansByPlanTerm($scope.selections.paymentTerm.name);

            setDiscountValues();

            angular.forEach($scope.plans, function(value, key) {
                total       = value.total;
                storage_fee = value.storage_free;

                // Apply additions
                if ('Yes' == $scope.selections.twins.name) {
                    total *= 2;
                    storage_fee *= 2;
                }

                // Apply discounts.
                total -= $scope.selections.existingClient.values[key];
                total -= $scope.selections.twins.values[key];
                total -= $scope.selections.hospitalType.values[key];

                if ($scope.selections.paymentTerm.name == '12 monthly payments of') {
                    payment_text = 'monthly over 12 months'
                    payments = total / 12;
                } else if ($scope.selections.paymentTerm.name == '24 monthly payments of') {
                    payment_text = 'monthly over 24 months'
                    payments = total / 24;
                } else if ($scope.selections.paymentTerm.name == 'One Time Payment') {
                    payment_text = 'in total'
                    payments = total;
                }

                result = {
                    total        : total,
                    plan         : value.plan,
                    deposit      : value.deposit,
                    payments_text: payment_text,
                    payments     : payments,
                    storage_fee  : storage_fee
                };

                $scope.results.push(result);
            });

        };

        getPlans = function() {
            $http.get('/api/v1/pricings', {headers: {Accept: 'application/json'}}).success(function(response) {
                $scope.plans = response.plans;
            });
        };

        filterPlansByType = function(type) {
            filtered = [];
            angular.forEach($scope.plans, function(value, key) {
                if (value.type == type) {
                    filtered.push(value);
                }
            });

            return $scope.plans = filtered;
        }

        filterPlansByPlanTerm = function(term, plans) {
            filtered = [];
            angular.forEach($scope.plans, function(value, key) {
                if (value.payment == term) {
                    filtered.push(value);
                }
            });

            $scope.plans = filtered;
        }

        setDiscountValues = function() {
            angular.forEach($scope.plans, function(value, key) {
                $scope.discounts.existingClients[0].values[0] = value.existing_discount;
                $scope.discounts.existingClients[1].values[1] = 0;
                $scope.discounts.expectingTwins[0].values[0]  = value.twin_discount;
                $scope.discounts.expectingTwins[1].values[1]  = 0;
                $scope.discounts.hospitalTypes[0].values[0]   = value.collector_discount;
                $scope.discounts.hospitalTypes[1].values[1]   = 0;
            });
        }

    }]);

})();