using XFEEDToolBox.Core.Galaxy;
using XFEEDToolBox.Core.Navigation;

namespace XFEEDToolBox.Controls;

public sealed partial class GalaxyRouteSettingsPanel
{
    private readonly TextBlock mapRouteSummary=new(){FontSize=11,TextWrapping=TextWrapping.Wrap};
    private readonly CheckBox mapRoute=new(){Content="将此分类用于路线",IsThreeState=true};
    private readonly StackPanel mapRouteRows=new(){Spacing=2,MaxHeight=360};
    private readonly Dictionary<string,CheckBox> mapRouteChoices=new(StringComparer.Ordinal);
    private string mapRouteRowsKey="";
    private void AddMapFilterControls(StackPanel root)
    {
        var content=new StackPanel{Spacing=6};var current=new Button{Content="采用当前分类筛选",HorizontalAlignment=HorizontalAlignment.Stretch};
        var saved=new Button{Content="采用游戏保存的分类筛选",HorizontalAlignment=HorizontalAlignment.Stretch};
        var choose=new Button{Content="选择原分类选项…",HorizontalAlignment=HorizontalAlignment.Stretch};
        var rowsScroll=new ScrollViewer{Content=mapRouteRows,VerticalScrollBarVisibility=ScrollBarVisibility.Auto,MaxHeight=360};
        rowsScroll.Resources[typeof(CheckBox)]=GalaxyFilterPanel.CreateStaticCheckBoxStyle();choose.Flyout=new Flyout{Content=rowsScroll};
        void Copy(bool savedSelection)
        {
            if(CurrentFilter is not{} filter){mapRouteSummary.Text="请先选择星图分类。";return;}
            if(!GameRouteMapFilter.TryFromFilter(filter,savedSelection,out var selected,out var reason))
            {mapRouteSummary.Text=reason;return;}
            Options=Options with{MapFilter=selected};
        }
        current.Click+=(_,_)=>Copy(false);saved.Click+=(_,_)=>Copy(true);
        mapRoute.Click+=(_,_)=>
        {
            if(updating)return;
            if(mapRoute.IsChecked is not{} affects){Options=Options with{MapFilter=null};return;}
            if(Options.MapFilter is{} selected)Options=Options with{MapFilter=selected with{AffectsRoutePlotting=affects}};
            else
            {
                Copy(false);
                if(Options.MapFilter is{} copied)Options=Options with{MapFilter=copied with{AffectsRoutePlotting=affects}};
                else{updating=true;mapRoute.IsChecked=null;updating=false;}
            }
        };
        content.Children.Add(current);content.Children.Add(saved);content.Children.Add(mapRoute);content.Children.Add(choose);content.Children.Add(mapRouteSummary);
        root.Children.Add(new Expander{Header="其他分类路线筛选",Content=content,HorizontalAlignment=HorizontalAlignment.Stretch,HorizontalContentAlignment=HorizontalAlignment.Stretch});
    }
    private void RefreshMapFilterControls(GameRouteMapFilter? filter)
    {
        mapRoute.IsChecked=filter?.AffectsRoutePlotting;
        var key=filter is null?"":filter.CategoryId+"|"+string.Join('|',filter.ExpectedKeys);
        if(key!=mapRouteRowsKey)
        {
            mapRouteRowsKey=key;mapRouteRows.Children.Clear();mapRouteChoices.Clear();
            if(filter is not null)foreach(var name in filter.ExpectedKeys)
            {
                var choiceCategory=GalaxyOriginalSettings.CategoryForIndex(filter.CategoryId);
                var label=choiceCategory==GalaxyFilterCategory.Security&&name=="lawless"?"无法律管辖":
                    GalaxyFilterDefinitions.All.FirstOrDefault(d=>d.Category==choiceCategory)?.Choices.FirstOrDefault(c=>c.Key==GalaxyMapFilter.Normalize(name))?.Label;
                var text=label is null||label==name?name:$"{label} · {name}";
                var item=new CheckBox{Content=new TextBlock{Text=text,TextWrapping=TextWrapping.Wrap,MaxWidth=330},FontSize=12};mapRouteChoices[name]=item;mapRouteRows.Children.Add(item);
                item.Click+=(_,_)=>
                {
                    if(updating||Options.MapFilter is not{} current)return;
                    Options=Options with{MapFilter=current with{SelectedKeys=mapRouteChoices.Where(pair=>pair.Value.IsChecked==true).Select(pair=>pair.Key).ToArray()}};
                };
            }
        }
        if(filter is null){mapRouteSummary.Text="横线：保留游戏此类别的路线设置。支持阵营、政体、经济、状态、安全、访问及文明。";return;}
        foreach(var (name,item) in mapRouteChoices)item.IsChecked=filter.SelectedKeys.Contains(name);
        var category=GalaxyOriginalSettings.CategoryForIndex(filter.CategoryId);
        var title=GalaxyFilterDefinitions.All.FirstOrDefault(d=>d.Category==category)?.Label??filter.CategoryId.ToString();
        mapRouteSummary.Text=$"{title} · 已选 {filter.SelectedKeys.Count} / {filter.ExpectedKeys.Count} 项\n长按目标规划时同步，并切换游戏星图为此分类显示。";
    }
}