using System;
using Content.Shared.PDA;
using Content.Shared.Traitor.Uplink;
using Robust.Client.AutoGenerated;
using Robust.Client.UserInterface.Controls;
using Robust.Client.UserInterface.CustomControls;
using Robust.Client.UserInterface.XAML;
using Robust.Shared.Localization;
using Robust.Shared.Maths;
using Robust.Shared.Prototypes;

namespace Content.Client.Traitor.Uplink
{
    [GenerateTypedNameReferences]
    public partial class UplinkMenu : SS14Window
    {
        private readonly IPrototypeManager _prototypeManager;

        public RichTextLabel BalanceInfo => BalanceInfoProtected;
        public event Action<BaseButton.ButtonEventArgs, UplinkListingData>? OnListingButtonPressed;
        public event Action<BaseButton.ButtonEventArgs, UplinkCategory>? OnCategoryButtonPressed;

        public UplinkMenu(IPrototypeManager prototypeManager)
        {
            RobustXamlLoader.Load(this);

            _prototypeManager = prototypeManager;

            PopulateUplinkCategoryButtons();
        }

        public UplinkCategory CurrentFilterCategory
        {
            get => _currentFilter;
            set
            {
                if (value.GetType() != typeof(UplinkCategory))
                {
                    return;
                }

                _currentFilter = value;
            }
        }

        public UplinkAccountData? CurrentLoggedInAccount
        {
            get => _loggedInUplinkAccount;
            set => _loggedInUplinkAccount = value;
        }

        private UplinkCategory _currentFilter;
        private UplinkAccountData? _loggedInUplinkAccount;

        public void AddListingGui(UplinkListingData listing)
        {
            if (!_prototypeManager.TryIndex(listing.ItemId, out EntityPrototype? prototype) || listing.Category != CurrentFilterCategory)
            {
                return;
            }

            var listingName = listing.ListingName == string.Empty ? prototype.Name : listing.ListingName;
            var listingDesc = listing.Description == string.Empty ? prototype.Description : listing.Description;
            var listingPrice = listing.Price;
            var canBuy = _loggedInUplinkAccount?.DataBalance >= listing.Price;

            var newListing = new UplinkListingControl(listingName, listingDesc, listingPrice, canBuy);
            newListing.UplinkItemBuyButton.OnButtonDown += args
                => OnListingButtonPressed?.Invoke(args, listing);

            UplinkListingsContainer.AddChild(newListing);
        }

        public void ClearListings()
        {
            UplinkListingsContainer.Children.Clear();
        }

        private void PopulateUplinkCategoryButtons()
        {
            foreach (UplinkCategory cat in Enum.GetValues(typeof(UplinkCategory)))
            {
                var catButton = new PDAUplinkCategoryButton
                {
                    Text = Loc.GetString(cat.ToString()),
                    ButtonCategory = cat
                };
                //It'd be neat if it could play a cool tech ping sound when you switch categories,
                //but right now there doesn't seem to be an easy way to do client-side audio without still having to round trip to the server and
                //send to a specific client INetChannel.
                catButton.OnPressed += args => OnCategoryButtonPressed?.Invoke(args, catButton.ButtonCategory);

                CategoryListContainer.AddChild(catButton);
            }
        }

        private sealed class PDAUplinkCategoryButton : Button
        {
            public UplinkCategory ButtonCategory;
        }
    }
}