'use strict';

app.controller('scenarioHeaderController', ['$scope', '$http', '$location', '$timeout', function ($scope, $http, $location, $timeout) {
        var isChanged = false,
            headerIsChanged = false,
            commonErrorMessage = 'An error occurred while processing your request. Please, try again later.';
        $scope.$on('costSavingChanged', function (event, data) {
            $scope.changedData.costSaving = data;
            $scope.modelChanged();
        });
        $scope.$on('gridChanged', function () {
            $scope.gridChanged();
        });
        $scope.changedData = {
            parentId: null,
            name: null,
            startDate: null,
            endDate: null,
            growthScenario: null,
            expense: null,
            revenue: null,
            oldRevenue: null,
            useLMMargin: null,
            grossMargin: null,
            oldGrossMargin: null,
            lmMargin: null,
            oldLMMargin: null,
            templateId: null,
            oldTemplateId: null,
            isActiveScenario: null,
            duration: null,
            dateForStartOfChanges: null,
            activeTab: null,
            costSaving: null,
            needToAdjustMargin: false
        };

        $scope.init = function (initData) {
            if (!initData)
                return;

            $scope.changedData.id = initData.id;
            $scope.changedData.name = initData.name;
            $scope.changedData.parentId = initData.parentId;
            $scope.changedData.templateId = initData.templateId;
            $scope.changedData.oldTemplateId = initData.templateId;
            $scope.changedData.startDate = initData.startDate;
            $scope.changedData.endDate = initData.endDate;
            $scope.changedData.growthScenario = initData.growthScenario;
            $scope.changedData.expense = initData.expense;
            $scope.changedData.oldExpense = initData.expense;
            $scope.changedData.revenue = initData.revenue;
            $scope.changedData.oldRevenue = initData.revenue;
            $scope.changedData.useLMMargin = initData.useLMMargin;
            $scope.changedData.grossMargin = initData.grossMargin;
            $scope.changedData.oldGrossMargin = initData.grossMargin;
            $scope.changedData.lmMargin = initData.lmMargin;
            $scope.changedData.oldLMMargin = initData.lmMargin;
            $scope.changedData.isActiveScenario = initData.isActiveScenario;
            $scope.changedData.duration = initData.duration;
            $scope.changedData.dateForStartOfChanges = initData.dateForStartOfChanges;
            $scope.changedData.activeTab = initData.activeTab;
        };

        $scope.recalculateCalendar = function () {
            var valid = !(isValid && typeof isValid == 'function') || isValid();
            if (valid) {
                headerIsChanged = true;
                $scope.$broadcast('refreshScenarioDetails', $scope.changedData);
                $('#uidemo-tabs-default-demo li a:eq(1)').tab('show');
            }
        };

        $scope.modelChanged = function () {
            isChanged = true;
        };

        $scope.gridChanged = function () {
            headerIsChanged = true;
            isChanged = true;
            $scope.changedData.activeTab = 'scenarios';
        };

        $scope.canBeSaved = function () {
            return isChanged;
        };

        $scope.canAdjustFinancial = function () {
            return !isChanged && !$scope.changedData.needToAdjustMargin;
        };

        $scope.adjustFinancial = function () {
            $scope.changedData.needToAdjustMargin = true;
            $scope.$broadcast('adjustFinancial', true);
        };

        $scope.isFinancialAdjusted = function () {
            return $scope.changedData.needToAdjustMargin;
        };
        $scope.$watch("changedData.endDate", function (newValue, oldValue) {
            var newDate = new Date(new Date(newValue).getTime() + 1000 * 60 * 60 * 24);
            var savingsStartDate = (newDate.getMonth() + 1) + '/' + newDate.getDate() + '/' + newDate.getFullYear();
            $scope.$broadcast('changedDates', { date: newDate, sDate: savingsStartDate });
        });
        $scope.$watch("changedData.startDate", function (newValue, oldValue) {
            var newDate = new Date(new Date(newValue).getTime());
            var savingsCutoffDate = (newDate.getMonth() + 1) + '/' + newDate.getDate() + '/' + newDate.getFullYear();
            $scope.$broadcast('cutoffDates', { date: newValue, sDate: savingsCutoffDate });
        });

        $scope.refreshDuration = function (url) {
            $scope.modelChanged();
            try {
                $http.post(url, {
                    startDate: $scope.changedData.startDate,
                    endDate: $scope.changedData.endDate
                }).success(function (data) {
                    $scope.changedData.duration = data;
                });
            }
            catch (e) {
                showErrorModal('Oops!', commonErrorMessage);
                return;
            }
        };

        $scope.getTabClass = function (tabName) {
            if (tabName == 'general') {
                if (!$scope.changedData.activeTab || $scope.changedData.activeTab.replace(' ', '').length <= 0)
                    return 'active';

                if ($scope.canBeSaved() && ($scope.changedData.activeTab == 'rateTable' || $scope.changedData.activeTab == 'notes'))
                    return 'active';
            }

            if (tabName == 'rateTable' || tabName == 'notes') {
                if ($scope.canBeSaved())
                    return '';
            }

            return tabName === $scope.changedData.activeTab ? 'active' : '';
        };

        $scope.headerWasConfirmed = function () {
            return headerIsChanged;
        };

        $scope.projectedRevenueChanged = function(value) {
            $scope.modelChanged();
            if ($scope.changedData.useLMMargin)
                calcTDCost(value, $scope.changedData.lmMargin);
            else
                calcTDCost(value, $scope.changedData.grossMargin);
        };

        $scope.marginChanged = function(value) {
            $scope.modelChanged();
            calcTDCost($scope.changedData.revenue, value);
        };

        $scope.marginTypeChanged = function(useLMMargin) {
            $scope.modelChanged();
            if (useLMMargin)
                calcTDCost($scope.changedData.revenue, $scope.changedData.lmMargin);
            else
                calcTDCost($scope.changedData.revenue, $scope.changedData.grossMargin);
        };

        function calcTDCost(revenue, margin) {
            if (!revenue || !margin) {
                $scope.changedData.expense = 0;
                return;
            }

            if (margin < 0)
                margin = 0;

            $scope.changedData.expense = Math.round(revenue * (1 - margin / 100) * 100) / 100;
        }
    }]);