using OwlCore.AbstractUI.Models;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace ZuneModCore.Mods
{
    public class FeaturesOverrideMod : Mod
    {
        private const string ZUNE_FEATURESOVERRIDE_REGKEY = RegEdit.ZUNE_REG_PATH + "FeaturesOverride";

        public override string Id => nameof(FeaturesOverrideMod);

        public override string Title => "Features Override";

        public override string Description => "Re-enables access to some features disabled by Microsoft, such as the Social and Marketplace tabs.\r\n" +
            "Does not restore functionality of those features, but shows them in the software.";

        public override AbstractUIElementGroup OptionsUI => new(nameof(FeaturesOverrideMod))
        {
            Title = "Select features:",
            Items =
            {
                // We don't know what some of these overrides do exactly, so hide them from the user.
                // The ID is the name of the registry key, the label is the display name

                new AbstractBooleanUIElement("Apps", "Apps"),
                //new AbstractBooleanUIElement("Art", "Art"),
                new AbstractBooleanUIElement("Channels", "Channels"),
                //new AbstractBooleanUIElement("FirstLaunchIntroVideo", "First Launch Intro Video"),
                new AbstractBooleanUIElement("Games", "Games"),
                new AbstractBooleanUIElement("Marketplace", "Marketplace"),
                //new AbstractBooleanUIElement("MBRPreview", "MBRPreview"),
                //new AbstractBooleanUIElement("MBRPurchase", "MBRPurchase"),
                //new AbstractBooleanUIElement("MBRRental", "MBRRental"),
                new AbstractBooleanUIElement("Music", "Music"),
                new AbstractBooleanUIElement("MusicVideos", "MusicVideos"),
                new AbstractBooleanUIElement("Nowplaying", "Now Playing"),
                //new AbstractBooleanUIElement("NowplayingArt", "Now Playing Art"),
                new AbstractBooleanUIElement("Picks", "Picks"),
                new AbstractBooleanUIElement("Podcasts", "Podcasts"),
                new AbstractBooleanUIElement("QuickMixLocal", "Quick Mix (Local)"),
                //new AbstractBooleanUIElement("QuickMixZMP", "Quick Mix (ZMP)"),
                new AbstractBooleanUIElement("Quickplay", "Quickplay"),
                //new AbstractBooleanUIElement("Sign In Available", "Sign In"),
                new AbstractBooleanUIElement("Social", "Social"),
                //new AbstractBooleanUIElement("SocialMarketplace", "Social Marketplace"),
                //new AbstractBooleanUIElement("SubscriptionFreeTracks", "Subscription Free Tracks"),
                new AbstractBooleanUIElement("Videos", "Videos"),
            }
        };

        public override IReadOnlyList<Type>? DependentMods => null;

        public override Task Init()
        {
            foreach (AbstractUIElement uiElem in OptionsUI.Items)
                if (uiElem is AbstractBooleanUIElement boolElem)
                    boolElem.ChangeState(GetFeatureOverride(boolElem.Id));

            return Task.CompletedTask;
        }

        public override Task<bool> Apply()
        {
            // TODO: Use user choices from AbstractUI
            foreach (AbstractUIElement uiElem in OptionsUI.Items)
                if (uiElem is AbstractBooleanUIElement boolElem)// && boolElem.State)
                    SetFeatureOverride(boolElem.Id, true);

            return Task.FromResult(true);
        }

        public override Task<bool> Reset()
        {
            foreach (AbstractUIElement uiElem in OptionsUI.Items)
                if (uiElem is AbstractBooleanUIElement boolElem)
                    ResetFeatureOverride(boolElem.Id);

            return Task.FromResult(true);
        }

        public static void SetFeatureOverride(string feature, bool value) =>
            RegEdit.CurrentUserSetBoolValue(ZUNE_FEATURESOVERRIDE_REGKEY, feature, value);

        public static bool GetFeatureOverride(string feature) =>
            RegEdit.CurrentUserGetBoolValue(ZUNE_FEATURESOVERRIDE_REGKEY, feature);

        public static void ResetFeatureOverride(string feature) =>
            RegEdit.CurrentUserDeleteValue(RegEdit.ZUNE_REG_PATH + "FeaturesOverride", feature);
    }
}