From 09587284182587a0478d71587647110c86b9c4e2 Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Mon, 4 Sep 2023 01:47:13 +0200
Subject: [PATCH] BaseDataWindow: Add Season modifiers

---
 Elwig/Windows/BaseDataWindow.xaml    |  63 +++++++-
 Elwig/Windows/BaseDataWindow.xaml.cs | 224 ++++++++++++++++++++++++++-
 2 files changed, 282 insertions(+), 5 deletions(-)

diff --git a/Elwig/Windows/BaseDataWindow.xaml b/Elwig/Windows/BaseDataWindow.xaml
index f6a1997..bca3c3c 100644
--- a/Elwig/Windows/BaseDataWindow.xaml
+++ b/Elwig/Windows/BaseDataWindow.xaml
@@ -147,7 +147,68 @@
 
             <TabItem Header="Saisons">
                 <Grid>
-                    <ListBox/>
+                    <ListBox x:Name="SeasonList" HorizontalAlignment="Left" VerticalAlignment="Stretch" Width="150" Margin="10,10,10,10"
+                             SelectionChanged="SeasonList_SelectionChanged">
+                        <ListBox.ItemTemplate>
+                            <DataTemplate>
+                                <StackPanel Orientation="Horizontal">
+                                    <TextBlock Text="{Binding Year}" Width="40"/>
+                                    <TextBlock Text="{Binding Currency.Name}" Width="60"/>
+                                    <TextBlock Text="{Binding Precision}" Width="10"/>
+                                </StackPanel>
+                            </DataTemplate>
+                        </ListBox.ItemTemplate>
+                    </ListBox>
+
+                    <GroupBox Header="Zu-/Abschläge" Margin="170,150,10,10" VerticalAlignment="Stretch" HorizontalAlignment="Stretch">
+                        <Grid>
+                            <Grid.ColumnDefinitions>
+                                <ColumnDefinition Width="400"/>
+                                <ColumnDefinition Width="70"/>
+                                <ColumnDefinition Width="*"/>
+                            </Grid.ColumnDefinitions>
+                            <ListBox x:Name="SeasonModifierList" SelectionChanged="SeasonModifierList_SelectionChanged"
+                                     HorizontalAlignment="Left" VerticalAlignment="Stretch" Width="350" Margin="10,10,10,10">
+                                <ListBox.ItemTemplate>
+                                    <DataTemplate>
+                                        <StackPanel Orientation="Horizontal">
+                                            <TextBlock Text="{Binding ModId}" Width="30"/>
+                                            <TextBlock Text="{Binding Name}" Width="200" Margin="0,0,10,0"/>
+                                            <TextBlock Text="{Binding ValueStr}"/>
+                                        </StackPanel>
+                                    </DataTemplate>
+                                </ListBox.ItemTemplate>
+                            </ListBox>
+                            <Button x:Name="SeasonModifierUpButton" Content="&#xE96D;" FontFamily="Segoe MDL2 Assets" FontSize="10" Padding="0,0,0,0" IsEnabled="False"
+                                    Click="SeasonModifierUpButton_Click"
+                                    VerticalAlignment="Center" HorizontalAlignment="Left" Width="25" Height="25" Margin="365,0,0,90"/>
+                            <Button x:Name="SeasonModifierDownButton" Content="&#xE96E;" FontFamily="Segoe MDL2 Assets" FontSize="10" Padding="0,2,0,0" IsEnabled="False"
+                                    Click="SeasonModifierDownButton_Click"
+                                    VerticalAlignment="Center" HorizontalAlignment="Left" Width="25" Height="25" Margin="365,0,0,30"/>
+                            <Button x:Name="SeasonModifierAddButton" Content="&#xF8AA;" FontFamily="Segoe MDL2 Assets" FontSize="11" Padding="0,1.5,0,0" IsEnabled="False"
+                                    Click="SeasonModifierAddButton_Click"
+                                    VerticalAlignment="Center" HorizontalAlignment="Left" Width="25" Height="25" Margin="365,30,0,0"/>
+                            <Button x:Name="SeasonModifierDeleteButton" Content="&#xF8AB;" FontFamily="Segoe MDL2 Assets" FontSize="11" Padding="0,1.5,0,0" IsEnabled="False"
+                                    Click="SeasonModifierDeleteButton_Click"
+                                    VerticalAlignment="Center" HorizontalAlignment="Left" Width="25" Height="25" Margin="365,90,0,0"/>
+
+                            <Label Content="ID:" Grid.Column="1" Margin="10,10,10,10"/>
+                            <TextBox x:Name="SeasonModifierIdInput" Grid.Column="2" Margin="0,10,10,10" Width="50" HorizontalAlignment="Left"
+                                     TextChanged="SeasonModifierIdInput_TextChanged"/>
+
+                            <Label Content="Name:" Grid.Column="1" Margin="10,40,10,10"/>
+                            <TextBox x:Name="SeasonModifierNameInput" Grid.Column="2" Margin="0,40,10,10"
+                                     TextChanged="SeasonModifierNameInput_TextChanged"/>
+
+                            <Label Content="Relativ:" Grid.Column="1" Margin="10,70,10,10"/>
+                            <TextBox x:Name="SeasonModifierRelInput" Grid.Column="2" Margin="0,70,10,10"
+                                     TextChanged="SeasonModifierRelInput_TextChanged"/>
+
+                            <Label Content="Absolut:" Grid.Column="1" Margin="10,100,10,10"/>
+                            <TextBox x:Name="SeasonModifierAbsInput" Grid.Column="2" Margin="0,100,10,10"
+                                     TextChanged="SeasonModifierAbsInput_TextChanged"/>
+                        </Grid>
+                    </GroupBox>
                 </Grid>
             </TabItem>
             <TabItem Header="Parameter">
diff --git a/Elwig/Windows/BaseDataWindow.xaml.cs b/Elwig/Windows/BaseDataWindow.xaml.cs
index 4185e2a..264ecd9 100644
--- a/Elwig/Windows/BaseDataWindow.xaml.cs
+++ b/Elwig/Windows/BaseDataWindow.xaml.cs
@@ -1,9 +1,24 @@
 using Elwig.Helpers;
+using Elwig.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Data;
 
 namespace Elwig.Windows {
     public partial class BaseDataWindow : AdministrationWindow {
+
+        private Dictionary<string, string?>? Modifiers = null;
+        private Dictionary<Modifier, string>? ModifierIds = null;
+        private ObservableCollection<Modifier>? ModifierList = null;
+        private bool ModifiersChanged = false;
+        private bool ModifierUpdate = false;
+
         public BaseDataWindow() {
             InitializeComponent();
             RequiredInputs = new Control[] {
@@ -12,20 +27,99 @@ namespace Elwig.Windows {
             };
             ExemptInputs = new Control[] {
                 ClientNameFull,
+                SeasonModifierIdInput, SeasonModifierNameInput, SeasonModifierRelInput, SeasonModifierAbsInput,
             };
         }
 
+        new protected void LockInputs() {
+            base.LockInputs();
+            SeasonModifierIdInput.IsReadOnly = true;
+            SeasonModifierNameInput.IsReadOnly = true;
+            SeasonModifierRelInput.IsReadOnly = true;
+            SeasonModifierAbsInput.IsReadOnly = true;
+        }
+
+        new protected void UnlockInputs() {
+            base.UnlockInputs();
+            SeasonModifierIdInput.IsReadOnly = false;
+            SeasonModifierNameInput.IsReadOnly = false;
+            SeasonModifierRelInput.IsReadOnly = false;
+            SeasonModifierAbsInput.IsReadOnly = false;
+        }
+
         private void Window_Loaded(object sender, RoutedEventArgs evt) {
             LockInputs();
             FillInputs(App.Client);
         }
 
+        protected override async Task RenewContext() {
+            await base.RenewContext();
+            ControlUtils.RenewItemsSource(SeasonList, await Context.Seasons.OrderByDescending(s => s.Year).ToListAsync(), s => (s as Season)?.Year, null, ControlUtils.RenewSourceDefault.First);
+            var year = (SeasonList.SelectedItem as Season)?.Year;
+            ControlUtils.RenewItemsSource(SeasonModifierList, await Context.Modifiers.Where(m => m.Year == year).OrderBy(m => m.Ordering).ToListAsync(), m => (m as Modifier)?.ModId);
+        }
+
         protected override void UpdateButtons() {
             if (!IsEditing && !IsCreating) return;
-            bool ch = HasChanged, v = IsValid;
+            bool ch = ModifiersChanged || HasChanged, v = IsValid;
             CancelButton.IsEnabled = true;
             ResetButton.IsEnabled = ch;
             SaveButton.IsEnabled = ch && v;
+            SeasonModifierUpButton.IsEnabled = SeasonModifierList.SelectedIndex >= 1;
+            SeasonModifierDownButton.IsEnabled = SeasonModifierList.SelectedIndex != -1 && SeasonModifierList.SelectedIndex < (ModifierList?.Count - 1 ?? 0);
+            SeasonModifierAddButton.IsEnabled = true;
+            SeasonModifierDeleteButton.IsEnabled = SeasonModifierList.SelectedIndex != -1;
+        }
+
+        private void ModifiersInitEditing() {
+            var year = (SeasonList.SelectedItem as Season)?.Year;
+            Context.ChangeTracker.Clear();
+            ModifierList = new(Context.Modifiers.Where(m => m.Year == year).OrderBy(m => m.Ordering).ToList());
+            Modifiers = ModifierList.ToDictionary(m => m.ModId, m => m.ModId);
+            ModifierIds = ModifierList.ToDictionary(m => m, m => m.ModId);
+            ControlUtils.RenewItemsSource(SeasonModifierList, ModifierList, m => (m as Modifier)?.ModId);
+        }
+
+        private void ModifiersFinishEditing() {
+            var year = (SeasonList.SelectedItem as Season)?.Year;
+            ControlUtils.RenewItemsSource(SeasonModifierList, Context.Modifiers.Where(m => m.Year == year).OrderBy(m => m.Ordering).ToList(), m => (m as Modifier)?.ModId);
+            ModifierList = null;
+            Modifiers = null;
+            ModifierIds = null;
+            ModifiersChanged = false;
+
+            SeasonModifierUpButton.IsEnabled = false;
+            SeasonModifierDownButton.IsEnabled = false;
+            SeasonModifierAddButton.IsEnabled = false;
+            SeasonModifierDeleteButton.IsEnabled = false;
+        }
+
+        private async Task ModifiersSave() {
+            if (!ModifiersChanged || ModifierList == null || Modifiers == null || ModifierIds == null) return;
+            int i = 0;
+            foreach (var mod in ModifierList) mod.Ordering = ++i;
+
+            var year = (SeasonList.SelectedItem as Season)?.Year;
+            foreach (var (modid, _) in Modifiers.Where(m => m.Value == null)) {
+                Context.Remove(Context.Modifiers.Find(new object?[] { year, modid }));
+            }
+            foreach (var (mod, old) in ModifierIds) {
+                mod.ModId = old;
+            }
+            foreach (var (old, modid) in Modifiers.Where(m => m.Value != null)) {
+                Context.Update(Context.Modifiers.Find(new object?[] { year, old }));
+            }
+            await Context.SaveChangesAsync();
+
+            foreach (var (old, modid) in Modifiers.Where(m => m.Value != null)) {
+                await Context.Database.ExecuteSqlAsync($"UPDATE modifier SET modid = {modid} WHERE (year, modid) = ({year}, {old})");
+            }
+            await Context.SaveChangesAsync();
+
+            foreach (var mod in ModifierList.Where(m => !ModifierIds.ContainsKey(m))) {
+                await Context.AddAsync(mod);
+            }
+            await Context.SaveChangesAsync();
         }
 
         private void EditButton_Click(object sender, RoutedEventArgs evt) {
@@ -33,6 +127,7 @@ namespace Elwig.Windows {
             EditButton.Visibility = Visibility.Hidden;
             ResetButton.Visibility = Visibility.Visible;
 
+            ModifiersInitEditing();
             UnlockInputs();
             UpdateButtons();
         }
@@ -45,6 +140,7 @@ namespace Elwig.Windows {
             CancelButton.IsEnabled = false;
             SaveButton.IsEnabled = false;
             ResetButton.IsEnabled = false;
+            ModifiersFinishEditing();
 
             ClearInputStates();
             FillInputs(App.Client);
@@ -52,13 +148,22 @@ namespace Elwig.Windows {
         }
 
         private void ResetButton_Click(object sender, RoutedEventArgs evt) {
+            ModifiersChanged = false;
+            ModifiersInitEditing();
             ClearInputStates();
             FillInputs(App.Client);
             UpdateButtons();
         }
 
-        private void SaveButton_Click(object sender, RoutedEventArgs evt) {
-            UpdateClientParameters(App.Client);
+        private async void SaveButton_Click(object sender, RoutedEventArgs evt) {
+            try {
+                await UpdateClientParameters(App.Client);
+                await ModifiersSave();
+            } catch (Exception exc) {
+                var str = "Der Eintrag konnte nicht in der Datenbank aktualisiert werden!\n\n" + exc.Message;
+                if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
+                MessageBox.Show(str, "Stammdaten aktualisieren", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
 
             IsEditing = false;
             IsCreating = false;
@@ -67,6 +172,7 @@ namespace Elwig.Windows {
             CancelButton.IsEnabled = false;
             SaveButton.IsEnabled = false;
             ResetButton.IsEnabled = false;
+            ModifiersFinishEditing();
 
             ClearInputStates();
             FillInputs(App.Client);
@@ -97,7 +203,7 @@ namespace Elwig.Windows {
             FinishInputFilling();
         }
 
-        private async void UpdateClientParameters(ClientParameters p) {
+        private async Task UpdateClientParameters(ClientParameters p) {
             p.Name = ClientNameInput.Text;
             p.NameSuffix = ClientNameSuffixInput.Text.Length > 0 ? ClientNameSuffixInput.Text : null;
             p.NameType = ClientNameTypeInput.Text;
@@ -118,10 +224,120 @@ namespace Elwig.Windows {
             await p.UpdateValues();
         }
 
+        private void SeasonModifierUpButton_Click(object sender, RoutedEventArgs evt) {
+            if (ModifierList == null) return;
+            ModifiersChanged = true;
+            var idx = SeasonModifierList.SelectedIndex;
+            var item = ModifierList[idx];
+            ModifierList.RemoveAt(idx);
+            idx--;
+            ModifierList.Insert(idx, item);
+            SeasonModifierList.SelectedIndex = idx;
+            UpdateButtons();
+        }
+
+        private void SeasonModifierDownButton_Click(object sender, RoutedEventArgs evt) {
+            if (ModifierList == null) return;
+            ModifiersChanged = true;
+            var idx = SeasonModifierList.SelectedIndex;
+            var item = ModifierList[idx];
+            ModifierList.RemoveAt(idx);
+            idx++;
+            ModifierList.Insert(idx, item);
+            SeasonModifierList.SelectedIndex = idx;
+            UpdateButtons();
+        }
+
+        private void SeasonModifierAddButton_Click(object sender, RoutedEventArgs evt) {
+            if (ModifierList == null || SeasonList.SelectedItem is not Season s) return;
+            ModifiersChanged = true;
+            var idx = (SeasonModifierList.SelectedIndex != -1) ? SeasonModifierList.SelectedIndex + 1 : ModifierList.Count;
+            var item = Context.CreateProxy<Modifier>();
+            item.Year = s.Year;
+            ModifierList.Insert(idx, item);
+            SeasonModifierList.SelectedIndex = idx;
+            UpdateButtons();
+        }
+
+        private void SeasonModifierDeleteButton_Click(object sender, RoutedEventArgs evt) {
+            if (ModifierList == null || Modifiers == null) return;
+            ModifiersChanged = true;
+            var idx = SeasonModifierList.SelectedIndex;
+            var item = ModifierList[idx];
+            Modifiers[item.ModId] = null;
+            ModifierList.RemoveAt(idx);
+            SeasonModifierList.SelectedIndex = idx < ModifierList.Count ? idx : idx - 1;
+            UpdateButtons();
+        }
+
+
         private void ClientNames_TextChanged(object sender, TextChangedEventArgs evt) {
             var suffix = ClientNameSuffixInput.Text.Length > 0 ? ClientNameSuffixInput.Text : null;
             ClientNameFull.Text = $"{ClientNameInput.Text}{(suffix != null ? $", {suffix}," : "")} {ClientNameTypeInput.Text}";
             TextBox_TextChanged(sender, evt);
         }
+
+        private async void SeasonList_SelectionChanged(object sender, SelectionChangedEventArgs evt) {
+            var year = (SeasonList.SelectedItem as Season)?.Year;
+            SeasonModifierList.ItemsSource = await Context.Modifiers.Where(m => m.Year == year).OrderBy(m => m.Ordering).ToListAsync();
+        }
+
+        private void SeasonModifierList_SelectionChanged(object sender, SelectionChangedEventArgs evt) {
+            UpdateButtons();
+            ModifierUpdate = true;
+            if (SeasonModifierList.SelectedItem is not Modifier mod) {
+                SeasonModifierIdInput.Text = "";
+                SeasonModifierNameInput.Text = "";
+                SeasonModifierRelInput.Text = "";
+                SeasonModifierAbsInput.Text = "";
+            } else {
+                SeasonModifierIdInput.Text = mod.ModId;
+                SeasonModifierNameInput.Text = mod.Name;
+                SeasonModifierRelInput.Text = (mod.Rel * 100)?.ToString();
+                SeasonModifierAbsInput.Text = mod.Abs?.ToString();
+            }
+            ModifierUpdate = false;
+        }
+
+        private void SeasonModifierIdInput_TextChanged(object sender, TextChangedEventArgs evt) {
+            if ((!IsEditing && !IsCreating) || SeasonModifierList.SelectedItem is not Modifier mod || Modifiers == null || ModifierIds == null) return;
+            ModifiersChanged = ModifiersChanged || (SeasonModifierIdInput.Text ?? "") != ((SeasonModifierList.SelectedItem as Modifier)?.ModId ?? "");
+            if (ModifierUpdate) return;
+            var old = ModifierIds.GetValueOrDefault(mod);
+            var id = SeasonModifierIdInput.Text ?? "";
+            if (old != null) Modifiers[old] = id;
+            mod.ModId = id;
+            CollectionViewSource.GetDefaultView(ModifierList).Refresh();
+            UpdateButtons();
+        }
+
+        private void SeasonModifierNameInput_TextChanged(object sender, TextChangedEventArgs evt) {
+            if ((!IsEditing && !IsCreating) || SeasonModifierList.SelectedItem is not Modifier mod) return;
+            ModifiersChanged = ModifiersChanged || (SeasonModifierNameInput.Text ?? "") != ((SeasonModifierList.SelectedItem as Modifier)?.Name ?? "");
+            if (ModifierUpdate) return;
+            mod.Name = SeasonModifierNameInput.Text ?? "";
+            CollectionViewSource.GetDefaultView(ModifierList).Refresh();
+            UpdateButtons();
+        }
+
+        private void SeasonModifierRelInput_TextChanged(object sender, TextChangedEventArgs evt) {
+            if ((!IsEditing && !IsCreating) || SeasonModifierList.SelectedItem is not Modifier mod) return;
+            ModifiersChanged = ModifiersChanged || (SeasonModifierRelInput.Text ?? "") != ((SeasonModifierList.SelectedItem as Modifier)?.Rel?.ToString() ?? "");
+            if (ModifierUpdate) return;
+            mod.Rel = decimal.TryParse(SeasonModifierRelInput.Text, out var v) ? v / 100 : null;
+            if (mod.Rel != null) SeasonModifierAbsInput.Text = "";
+            CollectionViewSource.GetDefaultView(ModifierList).Refresh();
+            UpdateButtons();
+        }
+
+        private void SeasonModifierAbsInput_TextChanged(object sender, TextChangedEventArgs evt) {
+            if ((!IsEditing && !IsCreating) || SeasonModifierList.SelectedItem is not Modifier mod) return;
+            ModifiersChanged = ModifiersChanged || (SeasonModifierAbsInput.Text ?? "") != ((SeasonModifierList.SelectedItem as Modifier)?.Abs?.ToString() ?? "");
+            if (ModifierUpdate) return;
+            mod.Abs = decimal.TryParse(SeasonModifierAbsInput.Text, out var v) ? v : null;
+            if (mod.Abs != null) SeasonModifierRelInput.Text = "";
+            CollectionViewSource.GetDefaultView(ModifierList).Refresh();
+            UpdateButtons();
+        }
     }
 }