using ModpackUpdater.Apps.Manager.Api.Plugins.Params;
using ModpackUpdater.Apps.Manager.LangRes;
using Pilz.Plugins.Advanced;
using Pilz.UI.Extensions;
using Pilz.UI.Symbols;

namespace ModpackUpdater.Apps.Manager.Features.Tools;

internal class UpdatesCollectorFeature : PluginFunction, IPluginFeatureProvider<UpdatesCollectorFeature>
{
    public static UpdatesCollectorFeature Instance { get; } = new();

    public UpdatesCollectorFeature() : base(FeatureTypes.Tools, "origin.updatescollector", FeatureNamesLangRes.UpdatesCollectorFeature)
    {
        Icon = AppGlobals.Symbols.GetSvgImage(AppSymbols.search, SymbolSize.Small);
    }

    protected override object? ExecuteFunction(PluginFunctionParameter? @params)
    {
        if (@params is not MainApiParameters p || p.Api.CurWorkspace?.InstallInfos is null || p.Api.CurWorkspace.UpdateInfos is null)
            return null;

        // Collect updates
        var ucDialog = new UpdatesCollectorUi(p.Api.CurWorkspace.InstallInfos);
        if (!ucDialog.ShowDialog(p.Api.MainWindow).IsOk() || ucDialog.CurrentUpdates is null)
            return null;

        // Collect versions with changes
        var updates = new List<UpdatesCollectorUi.ModUpdateInfo>();
        foreach (var update in ucDialog.CurrentUpdates.List)
        {
            if (update.Origin.SourceTag != update.AvailableVersions[update.NewVersion].Value)
                updates.Add(update);
        }

        // Path install actions
        foreach (var update in updates)
        {
            update.Origin.SourceTag = update.AvailableVersions[update.NewVersion].Value;
            p.Api.UpdateItem(update.Origin);
        }

        // Create update actions
        var updateSet = new UpdateInfo();
        foreach (var update in updates)
        {
            updateSet.Actions.Add(new()
            {
                InheritFrom = update.Origin.Id,
            });
        }
        p.Api.CurWorkspace.UpdateInfos.Updates.Insert(0, updateSet);
        p.Api.UpdateItem(updateSet);

        return null;
    }
}