using System;

using Server.Accounting;
using Server.Items;
using Server.Mobiles;

namespace Server.Custom
{
    /// <summary>
    ///     Fires PlayerVendorSale with real seeded-vendor data to prove the full chain: the
    ///     EventSink event added by the Phase 7 patch, its args, the subscriber, and the vendor.sale
    ///     JSON. It does NOT exercise the gump call site (that needs a live buyer with a NetState) —
    ///     the hook line is placed at the committed-sale point in PlayerVendorBuyGump.OnResponse and
    ///     is verified by a real in-game purchase.
    ///
    ///     Test scaffolding. Never deployed. Read-only (invokes an event; changes no world state).
    /// </summary>
    public static class BridgeVendorSaleProbe
    {
        public static void Initialize()
        {
            if (Config.Get("Bridge.VendorSaleProbeOnStart", false))
                EventSink.ServerStarted += () => Timer.DelayCall(TimeSpan.FromSeconds(4.0), Run);
        }

        private static void Run()
        {
            try
            {
                var vendors = PlayerVendor.PlayerVendors;

                if (vendors == null || vendors.Count == 0)
                {
                    Console.WriteLine("[VendorSaleProbe] no player vendors; seed the world first");
                    return;
                }

                // A real seeded vendor, its owner, and one of its actual priced items.
                PlayerVendor vendor = null;
                Item item = null;
                int price = 0;

                foreach (var v in vendors)
                {
                    if (v == null || v.Deleted || v.Owner == null || v.Backpack == null)
                        continue;

                    foreach (var it in v.Backpack.Items)
                    {
                        var vi = v.GetVendorItem(it);
                        if (vi != null)
                        {
                            vendor = v; item = it; price = vi.Price;
                            break;
                        }
                    }

                    if (vendor != null)
                        break;
                }

                if (vendor == null)
                {
                    Console.WriteLine("[VendorSaleProbe] no vendor with a priced item found");
                    return;
                }

                // A buyer on a DIFFERENT account than the owner, so buyerAcct != ownerAcct.
                Mobile buyer = null;
                foreach (Account a in Accounting.Accounts.GetAccounts())
                {
                    if (!a.Username.StartsWith("seed_", StringComparison.Ordinal))
                        continue;

                    var pm = a[0] as PlayerMobile;
                    if (pm != null && pm != vendor.Owner &&
                        !(vendor.Owner != null && vendor.Owner.Account == a))
                    {
                        buyer = pm;
                        break;
                    }
                }

                int commission = 0;
                if (vendor.IsCommission)
                    commission = (int)(price * (vendor.CommissionPerc / 100));

                Console.WriteLine("[VendorSaleProbe] firing PlayerVendorSale: buyer={0} owner={1} item={2} price={3} commission={4}",
                    buyer == null ? "?" : buyer.Name,
                    vendor.Owner == null ? "?" : vendor.Owner.Name,
                    item.GetType().Name, price, commission);

                EventSink.InvokePlayerVendorSale(
                    new PlayerVendorSaleEventArgs(buyer, vendor, vendor.Owner, item, price, commission));

                Console.WriteLine("[VendorSaleProbe] done; watch for vendor.sale");
            }
            catch (Exception ex)
            {
                Console.WriteLine("[VendorSaleProbe] FAILED: " + ex);
            }
        }
    }
}