From e417b0daf4da28e51385fa2d7f8d69654c87396b Mon Sep 17 00:00:00 2001
From: Kalakoi <kalakoi@kalakoigaming.com>
Date: Tue, 12 May 2026 12:53:10 -0400
Subject: [PATCH] Added in-window compute and analyze functions

---
 RetirementCalculator/MainWindow.xaml        |  18 +++-
 RetirementCalculator/MainWindowModel.cs     |  21 ++++
 RetirementCalculator/MainWindowViewModel.cs | 105 ++++++++++++++++++++
 3 files changed, 139 insertions(+), 5 deletions(-)

diff --git a/RetirementCalculator/MainWindow.xaml b/RetirementCalculator/MainWindow.xaml
index 850fe0e..4df2f2d 100644
--- a/RetirementCalculator/MainWindow.xaml
+++ b/RetirementCalculator/MainWindow.xaml
@@ -13,6 +13,7 @@
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="Auto"/>
             <ColumnDefinition Width="1*"/>
+            <ColumnDefinition Width="3*"/>
         </Grid.ColumnDefinitions>
         <Grid.RowDefinitions>
             <RowDefinition Height="Auto"/>
@@ -22,6 +23,9 @@
             <RowDefinition Height="Auto"/>
             <RowDefinition Height="Auto"/>
             <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
         </Grid.RowDefinitions>
         <TextBlock Text="Filing Status:" Grid.Column="0" Grid.Row="0"/>
         <TextBlock Text="Pay Periods:" Grid.Column="0" Grid.Row="1"/>
@@ -31,10 +35,14 @@
         <TextBlock Text="Retirement Contribution:" Grid.Column="0" Grid.Row="5"/>
         <ComboBox ItemsSource="{Binding FilingStatuses, UpdateSourceTrigger=PropertyChanged}" SelectedIndex="{Binding SelectedStatusIndex, UpdateSourceTrigger=PropertyChanged}" Grid.Column="1" Grid.Row="0"/>
         <ComboBox ItemsSource="{Binding PayPeriods, UpdateSourceTrigger=PropertyChanged}" SelectedIndex="{Binding SelectedPeriodIndex, UpdateSourceTrigger=PropertyChanged}" Grid.Column="1" Grid.Row="1"/>
-        <TextBox Text="{Binding Salary, UpdateSourceTrigger=PropertyChanged}" Grid.Column="1" Grid.Row="2"/>
-        <TextBox Text="{Binding PreTax, UpdateSourceTrigger=PropertyChanged}" Grid.Column="1" Grid.Row="3"/>
-        <TextBox Text="{Binding PostTax, UpdateSourceTrigger=PropertyChanged}" Grid.Column="1" Grid.Row="4"/>
-        <TextBox Text="{Binding RetirementContribution, UpdateSourceTrigger=PropertyChanged}" Grid.Column="1" Grid.Row="5"/>
-        <Button Content="Debug" Command="{Binding DoDebug, UpdateSourceTrigger=PropertyChanged}" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="6"/>
+        <TextBox Text="{Binding Salary, UpdateSourceTrigger=PropertyChanged, Mode=OneWayToSource}" Grid.Column="1" Grid.Row="2"/>
+        <TextBox Text="{Binding PreTax, UpdateSourceTrigger=PropertyChanged, Mode=OneWayToSource}" Grid.Column="1" Grid.Row="3"/>
+        <TextBox Text="{Binding PostTax, UpdateSourceTrigger=PropertyChanged, Mode=OneWayToSource}" Grid.Column="1" Grid.Row="4"/>
+        <TextBox Text="{Binding RetirementContribution, UpdateSourceTrigger=PropertyChanged, Mode=OneWayToSource}" Grid.Column="1" Grid.Row="5"/>
+        <Button Content="Calculate" Command="{Binding DoCalculate, UpdateSourceTrigger=PropertyChanged}" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="6"/>
+        <Button Content="Analyze" Command="{Binding DoAnalyze, UpdateSourceTrigger=PropertyChanged}" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="7"/>
+        <Button Content="Debug" Command="{Binding DoDebug, UpdateSourceTrigger=PropertyChanged}" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="8"/>
+        <TextBlock Text="Output:" Grid.Column="2" Grid.Row="0"/>
+        <TextBox Text="{Binding Output, UpdateSourceTrigger=PropertyChanged, Mode=OneWay}" Grid.Column="2" Grid.Row="1" Grid.RowSpan="9" IsReadOnly="True" TextWrapping="Wrap"/>
     </Grid>
 </Window>
diff --git a/RetirementCalculator/MainWindowModel.cs b/RetirementCalculator/MainWindowModel.cs
index 1eb64d5..a1b00c6 100644
--- a/RetirementCalculator/MainWindowModel.cs
+++ b/RetirementCalculator/MainWindowModel.cs
@@ -16,8 +16,11 @@ namespace RetirementCalculator
         private FilingStatus _status;
         private PayInformation _payInfo;
         private DeductionInformation _deductionInfo;
+        private string _output;
 
         private ICommand _doDebug;
+        private ICommand _doCalculate;
+        private ICommand _doAnalyze;
 
         public int SelectedPeriodIndex
         {
@@ -115,12 +118,27 @@ namespace RetirementCalculator
             get { return _deductionInfo.RetirementPercentage; }
             set { _deductionInfo.RetirementPercentage = value; OnPropertyChanged(nameof(RetirementContribution)); }
         }
+        public string Output
+        {
+            get { return _output; }
+            set { SetProperty(ref _output, value, nameof(Output)); }
+        }
 
         public ICommand DoDebug
         {
             get { return _doDebug; }
             set { SetProperty(ref _doDebug, value, nameof(DoDebug)); }
         }
+        public ICommand DoCalculate
+        {
+            get { return _doCalculate; }
+            set { SetProperty(ref _doCalculate, value, nameof(DoCalculate)); }
+        }
+        public ICommand DoAnalyze
+        {
+            get { return _doAnalyze; }
+            set { SetProperty(ref _doAnalyze, value, nameof(DoAnalyze)); }
+        }
 
         public MainWindowModel()
         {
@@ -130,7 +148,10 @@ namespace RetirementCalculator
             _filingStatuses = new();
             _payInfo = new();
             _deductionInfo = new();
+            _output = string.Empty;
             _doDebug = new RelayCommand(Placeholder);
+            _doCalculate = new RelayCommand(Placeholder);
+            _doAnalyze = new RelayCommand(Placeholder);
         }
 
         private void Placeholder(object obj)
diff --git a/RetirementCalculator/MainWindowViewModel.cs b/RetirementCalculator/MainWindowViewModel.cs
index 029b4e0..2f229f9 100644
--- a/RetirementCalculator/MainWindowViewModel.cs
+++ b/RetirementCalculator/MainWindowViewModel.cs
@@ -41,11 +41,14 @@ namespace RetirementCalculator
             ];
             PayInfo = new();
             DeductionInfo = new();
+            Output = string.Empty;
         }
 
         private void InitializeCommands()
         {
             DoDebug = new RelayCommand(DebugDo);
+            DoCalculate = new RelayCommand(CalculateDo);
+            DoAnalyze = new RelayCommand(AnalyzeDo);
         }
 
         private void DebugDo(object obj)
@@ -103,5 +106,107 @@ namespace RetirementCalculator
                 th
                 ));
         }
+
+        private void CalculateDo(object obj)
+        {
+            FederalTax ft = new(Status);
+            TaxRates ot = new();
+            string MessageFormat =
+                "Federal Taxes: {0:0.00}\n" +
+                "State Taxes: {1:0.00}\n" +
+                "Local Taxes: {2:0.00}\n" +
+                "Social Security: {3:0.00}\n" +
+                "Medicare: {4:0.00}\n" +
+                "Total Taxes: {5:0.00}\n\n" +
+                "Retirement Contribution: {6:0.00}\n\n" +
+                "Takehome: {7:0.00}";
+            double fed = ft.CalculateTax(PayInfo, DeductionInfo);
+            double state = ot.CalculateStateTax(PayInfo, DeductionInfo);
+            double local = ot.CalculateLocalTax(PayInfo, DeductionInfo);
+            double ss = ot.CalculateSocialSecurityTax(PayInfo, DeductionInfo);
+            double med = ot.CalculateMedicareTax(PayInfo, DeductionInfo);
+            double tot = fed + state + local + ss + med;
+            double PayPeriods = 1;
+            switch (PayInfo.Period)
+            {
+                case PayPeriod.Annually:
+                    PayPeriods = 1;
+                    break;
+                case PayPeriod.Monthly:
+                    PayPeriods = 12;
+                    break;
+                case PayPeriod.TwiceMonthly:
+                    PayPeriods = 24;
+                    break;
+                case PayPeriod.EveryOtherWeek:
+                    PayPeriods = 26;
+                    break;
+                case PayPeriod.EveryWeek:
+                    PayPeriods = 52;
+                    break;
+                default:
+                    PayPeriods = 1;
+                    break;
+            }
+            double gp = (PayInfo.Salary / PayPeriods);
+            double ret = gp * DeductionInfo.RetirementPercentage;
+            double th = gp - tot - ret - DeductionInfo.PreTaxDeductions;
+            Output = string.Format(MessageFormat,
+                fed,
+                state,
+                local,
+                ss,
+                med,
+                tot,
+                ret,
+                th
+                );
+        }
+
+        private void AnalyzeDo(object obj)
+        {
+            FederalTax ft = new(Status);
+            TaxRates ot = new();
+            string LineFormat = "Retirement: {0:00}%, ${1:000.00} Taxes: ${2:000.00} Takehome: ${3:0000.00}\n";
+            string TempOutput = string.Empty;
+            double PayPeriods = 1;
+            switch (PayInfo.Period)
+            {
+                case PayPeriod.Annually:
+                    PayPeriods = 1;
+                    break;
+                case PayPeriod.Monthly:
+                    PayPeriods = 12;
+                    break;
+                case PayPeriod.TwiceMonthly:
+                    PayPeriods = 24;
+                    break;
+                case PayPeriod.EveryOtherWeek:
+                    PayPeriods = 26;
+                    break;
+                case PayPeriod.EveryWeek:
+                    PayPeriods = 52;
+                    break;
+                default:
+                    PayPeriods = 1;
+                    break;
+            }
+            for (int i = 0; i <= 25; i++)
+            {
+                DeductionInformation di = new() { PreTaxDeductions = DeductionInfo.PreTaxDeductions, PostTaxDeductions = DeductionInfo.PostTaxDeductions };
+                di.RetirementPercentage = Convert.ToDouble(i) / 100d;
+                double fed = ft.CalculateTax(PayInfo, di);
+                double state = ot.CalculateStateTax(PayInfo, di);
+                double local = ot.CalculateLocalTax(PayInfo, di);
+                double ss = ot.CalculateSocialSecurityTax(PayInfo, di);
+                double med = ot.CalculateMedicareTax(PayInfo, di);
+                double tot = fed + state + local + ss + med;
+                double gp = (PayInfo.Salary / PayPeriods);
+                double ret = gp * di.RetirementPercentage;
+                double th = gp - tot - ret - DeductionInfo.PreTaxDeductions;
+                TempOutput += string.Format(LineFormat, i, ret, tot, th);
+            }
+            Output = TempOutput;
+        }
     }
 }