using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using Comal.Classes;
using InABox.Core;
using InABox.DynamicGrid;
using Syncfusion.Windows.Shared;

namespace PRS.Shared;

public class MinimumStockEditorControl : DynamicEnclosedEditorControl<ProductInstanceMinimumStock, MinimumStockEditor>
{
    private readonly Grid _grid = new() {
        VerticalAlignment = VerticalAlignment.Stretch,
        HorizontalAlignment = HorizontalAlignment.Stretch
    };
    
    private readonly CheckBox _customStock = new() {
        Content = "Custom", 
        IsThreeState = false,
        VerticalAlignment = VerticalAlignment.Center
    };
    
    private readonly IntegerTextBox _stockLevel = new(){
        Margin = new Thickness(5, 0, 0, 0),
        TextAlignment = TextAlignment.Center,
        VerticalAlignment = VerticalAlignment.Stretch,
    };
    
    private readonly CheckBox _customUsage = new()
    {
        Content = "# Days", 
        Margin = new Thickness(5, 0, 0, 0),
        IsThreeState = false,
        VerticalAlignment = VerticalAlignment.Center
    };
    
    private readonly IntegerTextBox _usageDays = new()
    {
        Margin = new Thickness(5, 0, 0, 0),
        TextAlignment = TextAlignment.Center,
        VerticalAlignment = VerticalAlignment.Stretch,
    }; 
    
    private readonly Label _usageFactorLabel = new()
    {
        Content = "Usage Factor",
        VerticalAlignment = VerticalAlignment.Center,
        Margin = new Thickness(5, 0, 0, 0),
    };
    
    private readonly DoubleTextBox _usageFactor = new()
    {
        Margin = new Thickness(5, 0, 0, 0),
        TextAlignment = TextAlignment.Center,
        VerticalAlignment = VerticalAlignment.Stretch,
    }; 
    
    private readonly Label _stockFactorLabel = new()
    {
        Content = "Stock Factor",
        VerticalAlignment = VerticalAlignment.Center,
        Margin = new Thickness(5, 0, 0, 0)
    };
    
    private readonly DoubleTextBox _stockFactor = new()
    {
        Margin = new Thickness(5, 0, 0, 0),
        TextAlignment = TextAlignment.Center,
        VerticalAlignment = VerticalAlignment.Stretch,
    };
    
    public override void Configure()
    {
    }

    protected override FrameworkElement CreateEditor()
    {
        void AddEditor(FrameworkElement element, ref int col)
        {
            element.SetValue(Grid.ColumnProperty,col);
            _grid.Children.Add(element);
            col++;
        }

        _grid.ColumnDefinitions.Add(new ColumnDefinition() { Width = GridLength.Auto });
        _grid.ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(1.0, GridUnitType.Star) });
        
        _grid.ColumnDefinitions.Add(new ColumnDefinition() { Width = GridLength.Auto });
        _grid.ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(1.0, GridUnitType.Star) });
        
        _grid.ColumnDefinitions.Add(new ColumnDefinition() { Width = GridLength.Auto });
        _grid.ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(1.0, GridUnitType.Star) });
        
        _grid.ColumnDefinitions.Add(new ColumnDefinition() { Width = GridLength.Auto });
        _grid.ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(1.0, GridUnitType.Star) });

        _grid.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1.0, GridUnitType.Star) });

        int col = 0;
        
        AddEditor(_customStock,ref col);
        _customStock.Checked += (o,e) => UpdateValue(nameof(ProductInstanceMinimumStock.CustomStockLevel), true);
        _customStock.Unchecked += (o,e) => UpdateValue(nameof(ProductInstanceMinimumStock.CustomStockLevel), true);
        
        AddEditor(_stockLevel,ref col);
        _stockLevel.ValueChanged += (o,e) => UpdateValue(nameof(ProductInstanceMinimumStock.StockLevel), false);
        
        AddEditor(_customUsage,ref col);
        _customUsage.Checked += (o,e) => UpdateValue(nameof(ProductInstanceMinimumStock.CustomUsage), true);
        _customUsage.Unchecked += (o,e) => UpdateValue(nameof(ProductInstanceMinimumStock.CustomUsage), true);
        
        AddEditor(_usageDays,ref col);
        _usageDays.ValueChanged += (o,e) => UpdateValue(nameof(ProductInstanceMinimumStock.UsageDays), false);
        
        AddEditor(_usageFactorLabel,ref col);
        AddEditor(_usageFactor,ref col);
        _usageFactor.ValueChanged += (o,e) => UpdateValue(nameof(ProductInstanceMinimumStock.UsageFactor), false);

        AddEditor(_stockFactorLabel,ref col);
        AddEditor(_stockFactor,ref col);
        _stockFactor.ValueChanged += (o,e) => UpdateValue(nameof(ProductInstanceMinimumStock.StockFactor), false);
        return _grid;
    }

    private void UpdateValue(string fieldname, bool checkenabled)
    {
        CheckChanged(fieldname);
        if (checkenabled)
            CheckEnabled(IsEnabled);
    }

    private void CheckEnabled(bool enabled)
    {
        _customUsage.IsEnabled = enabled;

        _usageDays.IsEnabled = enabled && _customUsage.IsChecked == true;
        _usageDays.Value = _customUsage.IsChecked != true ? 0 : (_usageDays.Value ?? 0) > 0 ? _usageDays.Value : 30;

        _usageFactor.IsEnabled = enabled && _customUsage.IsChecked == true;
        _usageFactor.Value = _customUsage.IsChecked != true ? 0 : (_usageFactor.Value ?? 0.0).IsEffectivelyGreaterThan(0.0) ? _usageFactor.Value : 1.0;
        
        _stockFactor.IsEnabled = enabled && _customUsage.IsChecked == true;
        _stockFactor.Value = _customUsage.IsChecked != true ? 0 : (_stockFactor.Value ?? 0.0).IsEffectivelyGreaterThan(0.0) ? _stockFactor.Value : 1.0;

        _customStock.IsEnabled = enabled;
        
        _stockLevel.IsEnabled = enabled && _customStock.IsChecked == true;
        _stockLevel.Value = _customStock.IsChecked != true ? 0 : (_stockLevel.Value ?? 0);
    }

    public override int DesiredWidth() => int.MaxValue;
    public override int DesiredHeight() => 30;

    public override void SetFocus() => _customUsage.Focus();
    
    public override void SetColor(Color color)
    {
        _usageDays.Background = new SolidColorBrush(color);
        _usageFactor.Background = new SolidColorBrush(color);
        _stockFactor.Background = new SolidColorBrush(color);
        _stockLevel.Background = new SolidColorBrush(color);
    }

    protected override IEnumerable<KeyValuePair<string, object?>> GetChildValues()
    {
        yield return new(nameof(ProductInstanceMinimumStock.CustomUsage), _customUsage.IsChecked ?? false);
        yield return new(nameof(ProductInstanceMinimumStock.UsageDays), (int)(_usageDays.Value ?? 0L));
        yield return new(nameof(ProductInstanceMinimumStock.UsageFactor), _usageFactor.Value ?? 0F);
        yield return new(nameof(ProductInstanceMinimumStock.StockFactor), _stockFactor.Value ?? 0F);
        yield return new(nameof(ProductInstanceMinimumStock.CustomStockLevel), _customStock.IsChecked ?? false);
        yield return new(nameof(ProductInstanceMinimumStock.StockLevel), (int)(_stockLevel.Value ?? 0L));
    }

    protected override object? GetChildValue(string property)
    {
        if (string.Equals(property,nameof(ProductInstanceMinimumStock.CustomUsage))) 
            return _customUsage.IsChecked ?? false;
        if (string.Equals(property,nameof(ProductInstanceMinimumStock.UsageDays)))
            return (int)(_usageDays.Value ?? 0L);
        if (string.Equals(property,nameof(ProductInstanceMinimumStock.UsageFactor)))
            return _usageFactor.Value ?? 0F;
        if (string.Equals(property,nameof(ProductInstanceMinimumStock.StockFactor))) 
            return _stockFactor.Value ?? 0F;
        if (string.Equals(property,nameof(ProductInstanceMinimumStock.CustomStockLevel))) 
            return _customStock.IsChecked ?? false;
        if (string.Equals(property,nameof(ProductInstanceMinimumStock.StockLevel))) 
            return (int)(_stockLevel.Value ?? 0L);

        return null;
    }
    
    protected override void SetChildValue(string property, object? value)
    {
        if (string.Equals(property,nameof(ProductInstanceMinimumStock.CustomUsage)))
            _customUsage.IsChecked = (bool)(value ?? false);
        else if(string.Equals(property,nameof(ProductInstanceMinimumStock.UsageDays)))
            _usageDays.Value = (int)(value ?? 0);
        else if (string.Equals(property,nameof(ProductInstanceMinimumStock.UsageFactor))) 
            _usageFactor.Value = (double)(value ?? 0.0);
        else if (string.Equals(property,nameof(ProductInstanceMinimumStock.StockFactor))) 
            _stockFactor.Value = (double)(value ?? 0.0);
        else if (string.Equals(property,nameof(ProductInstanceMinimumStock.CustomStockLevel))) 
            _customStock.IsChecked = (bool)(value ?? false);
        else if (string.Equals(property,nameof(ProductInstanceMinimumStock.StockLevel))) 
            _stockLevel.Value = (int)(value ?? 0);
    }

    public override void SetEnabled(bool enabled)
    {
        base.SetEnabled(enabled);
        CheckEnabled(enabled);
    }
}