using System.Collections.ObjectModel;
using System.ComponentModel;
using ModpackUpdater.Apps.Manager.Api.Model;
using ModpackUpdater.Apps.Manager.LangRes;
using PropertyChanged;

namespace ModpackUpdater.Apps.Manager.Ui.Models.MainWindow;

public class MainWindowViewModel : INotifyPropertyChanged
{
    public event PropertyChangedEventHandler? PropertyChanged;

    private ObservableCollection<MainWindowTreeNode>? currentTreeNodes;
    private MainWindowTreeNode? selectedTreeNode;
    private IWorkspace? currentWorkspace;

    public bool IsUpdate => selectedTreeNode is ActionSetTreeNode node && node.Infos is UpdateInfo;
    public ProgressInfos Progress { get; } = new();
    public MainWindowGridRow? SelectedGridRow { get; set; }
    public DynamicDataView<MainWindowGridRow> CurrentGridRows { get; } = new(FilterGridRows);

    [AlsoNotifyFor(nameof(CurrentTreeNodes))]
    public IWorkspace? CurrentWorkspace
    {
        get => currentWorkspace;
        set
        {
            currentTreeNodes = null;
            currentWorkspace = value;
        }
    }

    public ObservableCollection<MainWindowTreeNode>? CurrentTreeNodes
    {
        get
        {
            if (currentTreeNodes == null && currentWorkspace?.InstallInfos != null && currentWorkspace?.UpdateInfos != null)
                currentTreeNodes =
                [
                    new ActionSetTreeNode(currentWorkspace.InstallInfos),
                    new SimpleMainWindowTreeNode(GeneralLangRes.Updates)
                    {
                        Image = AppGlobals.Symbols.GetImageSource(AppSymbols.update_done),
                        Nodes = [.. currentWorkspace.UpdateInfos.Updates.Select(n => new ActionSetTreeNode(n))],
                    },
                ];
            return currentTreeNodes;
        }
    }

    public MainWindowTreeNode? SelectedTreeNode
    {
        get => selectedTreeNode;
        set
        {
            selectedTreeNode = value;
            CurrentGridRows.List.Edit(list =>
            {
                list.Clear();
                if (CurrentWorkspace?.InstallInfos != null && selectedTreeNode is ActionSetTreeNode node)
                    list.AddRange(node.Infos.Actions.Select(n => new MainWindowGridRow(n, CurrentWorkspace.InstallInfos)));
            });
        }
    }

    private static Func<MainWindowGridRow, bool> FilterGridRows(string? searchText)
    {
        return n => string.IsNullOrWhiteSpace(searchText)
                    || (!string.IsNullOrWhiteSpace(n.Name) && n.Name.Contains(searchText))
                    || (!string.IsNullOrWhiteSpace(n.InheritFrom) && n.InheritFrom.Contains(searchText))
                    || (!string.IsNullOrWhiteSpace(n.InheritedDestPath) && n.InheritedDestPath.Contains(searchText))
                    || (!string.IsNullOrWhiteSpace(n.InheritedId) && n.InheritedId.Contains(searchText))
                    || (!string.IsNullOrWhiteSpace(n.InheritedSide) && n.InheritedSide.Contains(searchText))
                    || (!string.IsNullOrWhiteSpace(n.InheritedSourceType) && n.InheritedSourceType.Contains(searchText))
                    || (!string.IsNullOrWhiteSpace(n.InheritedUpdateType) && n.InheritedUpdateType.Contains(searchText))
                    || (!string.IsNullOrWhiteSpace(n.SourceName) && n.SourceName.Contains(searchText))
                    || (!string.IsNullOrWhiteSpace(n.SourceOwner) && n.SourceOwner.Contains(searchText))
                    || (!string.IsNullOrWhiteSpace(n.SourceRegex) && n.SourceRegex.Contains(searchText))
                    || (!string.IsNullOrWhiteSpace(n.SourceTag) && n.SourceTag.Contains(searchText))
                    || (!string.IsNullOrWhiteSpace(n.SourceUrl) && n.SourceUrl.Contains(searchText))
                    || (!string.IsNullOrWhiteSpace(n.SrcPath) && n.SrcPath.Contains(searchText))
                    || (!string.IsNullOrWhiteSpace(n.Website) && n.Website.Contains(searchText))
                    ;
    }
}