probably-decentralized/src/Decentralized/TerminalWindow.cs

using System;
using System.Globalization;
using System.Linq;
using UnityEngine;
using Decentralized.Domain;

namespace Decentralized
{
    /// <summary>
    /// 交易终端窗口：首页三个入口（银行、Poinbase、Web3）加报告。银行是真实的信用点（存取、房租）；
    /// Poinbase 是合规交易所；Web3 是去中心化交易和链上钱包。每次操作后按当前页重建窗口。
    /// </summary>
    public static class TerminalWindow
    {
        public const string Id = "pd_terminal";
        private enum Page { Home, Bank, Poinbase, Web3 }

        private static Page _page = Page.Home;
        private static string _amount = "";
        private static string _message;

        public static void Open()
        {
            if (Session.Data == null) return;
            var b = CustomUIManager.Window(Id, L.T("term.title"));
            if (b == null) return;
            b.SetSize(780, 660).SetDraggable(true).SetCloseOnEscape(true).UseMachineryStyle();
            b.BeginRow();
            foreach (Page p in Enum.GetValues(typeof(Page)))
            {
                var page = p;
                string name = L.T("tab." + p.ToString().ToLowerInvariant());
                b.AddButton(page == _page ? $"[{name}]" : name, () => { _page = page; _message = null; Open(); });
            }
            b.End();
            b.AddSeparator();
            b.BeginScroll(540);
            switch (_page)
            {
                case Page.Home: HomePage(b); break;
                case Page.Bank: BankPage(b); break;
                case Page.Poinbase: ExchangePage(b, Venue.Exchange); break;
                case Page.Web3: Web3Page(b); break;
                default: break;
            }
            b.End();
            if (!string.IsNullOrEmpty(_message)) b.AddLabel(_message);
            b.Show();
        }

        private static void Go(Page p) { _page = p; _message = null; Open(); }

        private static void Entry(CustomUIBuilder b, string icon, string name, string line1, string line2, Page target)
        {
            b.BeginPanel(220f, 250f, TextAnchor.UpperCenter, 10f, 6f);
            b.AddImage(ModInfo.Id + ":" + icon, 96f, 96f);
            b.AddHeader(name);
            b.AddLabel(line1);
            if (line2 != null) b.AddLabel(line2);
            b.AddFlexibleSpace();
            b.AddButton(L.T("home.enter"), () => Go(target));
            b.End();
        }

        private static void HomePage(CustomUIBuilder b)
        {
            var d = Session.Data;
            double chain = d.Hot.Value(Session.Price);
            b.AddLabel(L.T("home.summary", PlayerStore.Instance.playerCash, Fmt.Credits(chain)));
            b.AddSpace(6f);
            b.BeginRow(8f, TextAnchor.UpperCenter);
            Entry(b, "ui_bank", L.T("entry.bank"), L.T("entry.bank.l1"), L.T("entry.bank.l2", PlayerStore.Instance.playerCash), Page.Bank);
            Entry(b, "ui_poinbase", L.T("entry.poinbase"), L.T("entry.poinbase.l1"), null, Page.Poinbase);
            Entry(b, "ui_web3", L.T("entry.web3"), L.T("entry.web3.l1"), L.T("entry.web3.l2", Fmt.Credits(chain)), Page.Web3);
            b.End();
            b.AddSpace(8f);
            b.AddSeparator();
            var r = d.LastNight;
            b.AddLabel(r == null ? L.T("report.none") : L.T("home.lastnight", r.Day, Fmt.Num(r.Mined), r.PoweredRigs, r.Rigs));
        }

        private const float LeftW = 430f, RightW = 300f;

        private static void Cell(CustomUIBuilder b, float w, string text, bool header = false)
        {
            b.BeginPanel(w, 30f, TextAnchor.MiddleLeft, 6f, 0f);
            b.AddLabel(header ? "<b>" + text + "</b>" : text);
            b.End();
        }

        private static void TableRow(CustomUIBuilder b, float[] widths, params string[] cells)
        {
            b.BeginRow(2f);
            for (int i = 0; i < widths.Length; i++) Cell(b, widths[i], i < cells.Length ? cells[i] : "");
            b.End();
        }

        private static void TableHeader(CustomUIBuilder b, float[] widths, params string[] cells)
        {
            b.BeginRow(2f);
            for (int i = 0; i < widths.Length; i++) Cell(b, widths[i], cells[i], true);
            b.End();
        }

        /// <summary>左右分栏：左边是账户与持仓表格，右边是操作区。</summary>
        private static void Columns(CustomUIBuilder b, Action<CustomUIBuilder> left, Action<CustomUIBuilder> right)
        {
            b.BeginRow(10f);
            b.BeginPanel(LeftW, -1f, TextAnchor.UpperLeft, 8f, 4f);
            left(b);
            b.End();
            b.BeginPanel(RightW, -1f, TextAnchor.UpperLeft, 8f, 6f);
            right(b);
            b.End();
            b.End();
        }

        private static void AmountRow(CustomUIBuilder b)
        {
            b.AddLabel(L.T("trade.amount"));
            b.BeginPanel(RightW - 30f, -1f, TextAnchor.MiddleCenter, 0f, 0f);   // 给输入框一个固定宽度，容得下大额数字
            b.AddInput("0", _amount, s => _amount = s, "amount", s => _amount = s);
            b.End();
        }

        /// <summary>银行：真实的信用点。现金、房租，以及信用点与 Poinbase 账户（CRC）之间的存取。</summary>
        private static void BankPage(CustomUIBuilder b)
        {
            var ps = PlayerStore.Instance;
            var w = new[] { 200f, 220f };
            Columns(b, l =>
            {
                l.AddHeader(L.T("entry.bank"));
                TableRow(l, w, L.T("bank.cash.k"), ps.playerCash.ToString());
                TableRow(l, w, L.T("bank.rent.k"), L.T("bank.rent.v", Session.Rent(), ps.GetRentDayCounter()));
                TableRow(l, w, L.T("bank.crc.k"), Fmt.Num(Session.Data.Hot.Get(Assets.CRC)));
            }, r =>
            {
                r.AddHeader(L.T("bank.ops"));
                AmountRow(r);
                AmlPreview(r);
                r.AddButton(L.T("trade.deposit"), Deposit);
                r.AddButton(L.T("trade.withdraw"), Withdraw);
            });
        }

        /// <summary>提取前的合规审查提示：本周已提取的累计、污点比例，以及按当前数量估算的审查概率。</summary>
        private static void AmlPreview(CustomUIBuilder b)
        {
            var d = Session.Data;
            int day = StoreStation.GetDayCounter();
            double rent = Session.Rent();
            double recent = d.Exchange.History.Where(h => h.Key > day - Tuning.AmlWindowDays).Sum(h => h.Value);
            b.AddSeparator();
            b.AddLabel(L.T("aml.window", Tuning.AmlWindowDays, Fmt.Credits(recent), Fmt.Credits(Tuning.AmlCumRents * rent)));
            double total = d.Hot.Value(Session.Price);
            double taintRatio = total > 0 ? d.Hot.Taint / total : 0;
            b.AddLabel(L.T("aml.taint", (int)Math.Round(taintRatio * 100)));
            if (double.TryParse((_amount ?? "").Trim(), NumberStyles.Float, CultureInfo.InvariantCulture, out double v) && v > 0)
            {
                double value = Math.Min(v, d.Hot.Get(Assets.CRC)) * Session.Price(Assets.CRC);
                double taint = total > 0 ? d.Hot.Taint * Math.Min(1, value / total) : 0;
                double chance = Exchange.HitChance(value, taint, recent, rent, d.Hot.Flagged);
                b.AddLabel(L.T("aml.chance", (int)Math.Round(chance * 100)));
            }
        }

        private static readonly float[] StableW = { 80f, 100f, 220f };

        private static string StableStatus(Stablecoins st, string asset, int day)
        {
            double p = st.Price(asset);
            if (asset == Assets.CRA && st.CraWarning(day)) return L.T("stable.warn");
            if (asset == Assets.CRA && p < 0.97) return L.T("stable.spiral");
            return p < 0.99 ? L.T("stable.depeg") : L.T("stable.ok");
        }

        /// <summary>稳定币行情：价格与状态（脱锚、预兆）。</summary>
        private static void StableTable(CustomUIBuilder b)
        {
            var st = Session.Data.Stable;
            int day = StoreStation.GetDayCounter();
            b.AddSeparator();
            TableHeader(b, StableW, L.T("col.asset"), L.T("col.peg"), L.T("col.status"));
            foreach (var a in new[] { Assets.CRC, Assets.CRT, Assets.CRA })
                TableRow(b, StableW, a, Fmt.Num(st.Price(a)), StableStatus(st, a, day));
        }

        private static void TradeRows(CustomUIBuilder b, Venue venue)
        {
            foreach (var pool in Session.Data.Market.Pools.Where(x => x.Venue == venue))
            {
                var p = pool;
                b.AddLabel(L.T("trade.pair", p.Base, p.Quote, L.T("venue." + p.Venue)) + "  " + L.T("trade.price", Fmt.Num(p.Price)));
                b.BeginRow();
                b.AddButton(L.T("trade.buy"), () => Trade(p, buy: true));
                b.AddButton(L.T("trade.sell"), () => Trade(p, buy: false));
                b.End();
            }
        }

        private static readonly float[] HoldW = { 80f, 100f, 110f, 110f };

        private static void Holdings(CustomUIBuilder b, Wallet w, Func<string, bool> show)
        {
            TableHeader(b, HoldW, L.T("col.asset"), L.T("col.amount"), L.T("col.value"), L.T("col.avg"));
            bool any = false;
            foreach (var kv in w.Balances.OrderBy(k => k.Key).Where(k => show(k.Key)))
            {
                any = true;
                TableRow(b, HoldW, kv.Key, Fmt.Num(kv.Value), Fmt.Credits(kv.Value * Session.Price(kv.Key)), AvgText(w, kv.Key));
            }
            if (!any) b.AddLabel(L.T("wallet.empty"));
            foreach (var kv in w.Frozen.OrderBy(k => k.Key).Where(k => show(k.Key)))
                b.AddLabel(L.T("wallet.frozen", kv.Key, Fmt.Num(kv.Value), w.FrozenUntil.TryGetValue(kv.Key, out var u) ? u : 0));
        }

        /// <summary>Poinbase：合规交易所。左边账户持仓，右边交易；信用点的存取在银行。</summary>
        private static void ExchangePage(CustomUIBuilder b, Venue venue)
        {
            var w = Session.Data.Hot;
            Columns(b, l =>
            {
                l.AddHeader(L.T("poin.account.h"));
                Holdings(l, w, a => a == Assets.CRC || a == Assets.PSC);
            }, r =>
            {
                r.AddHeader(L.T("trade.h"));
                AmountRow(r);
                TradeRows(r, venue);
            });
        }

        /// <summary>Web3：链上钱包与去中心化交易。</summary>
        private static void Web3Page(CustomUIBuilder b)
        {
            var w = Session.Data.Hot;
            {
                if (_web3Tab == Web3Tab.Mixer && !Unlock.MixerUnlocked) _web3Tab = Web3Tab.Trade;
                if (_web3Tab == Web3Tab.Black && !Unlock.BlackUnlocked) _web3Tab = Web3Tab.Trade;
                b.BeginRow();
                foreach (Web3Tab t in Enum.GetValues(typeof(Web3Tab)))
                {
                    if ((t == Web3Tab.Mixer && !Unlock.MixerUnlocked) || (t == Web3Tab.Black && !Unlock.BlackUnlocked)) continue;
                    var tab = t;
                    string name = L.T("web3.sub." + t.ToString().ToLowerInvariant());
                    b.AddButton(tab == _web3Tab ? $"[{name}]" : name, () => { _web3Tab = tab; _message = null; Open(); });
                }
                b.End();
                if (_web3Tab == Web3Tab.Mining) { ReportPage(b); return; }
                if (_web3Tab == Web3Tab.Mixer) { MixerPage(b); return; }
                if (_web3Tab == Web3Tab.Black) { BlackPage(b); return; }
            }
            Columns(b, l =>
            {
                l.AddHeader(L.T("web3.wallet.h"));
                Holdings(l, w, a => true);
                l.AddSeparator();
                l.AddLabel(L.T("wallet.total", Fmt.Credits(w.Value(Session.Price))));
                if (w.Taint > 0.5) l.AddLabel(L.T("wallet.taint", Fmt.Credits(w.Taint)));
                StableTable(l);
            }, r =>
            {
                r.AddHeader(L.T("trade.h"));
                AmountRow(r);
                TradeRows(r, Venue.Dex);
            });
        }

        private enum BlackTab { Shop, Orders, Sell, Mine, Desk }
        private static BlackTab _blackTab = BlackTab.Shop;
        private static PayMode _mode = PayMode.Escrow;
        private static string _deskAsset = Assets.PSC;
        private static bool _deskIn = true;
        private static string _payAsset = Assets.CRT;
        private static readonly System.Collections.Generic.Dictionary<string, Sprite> IconCache = new System.Collections.Generic.Dictionary<string, Sprite>();

        /// <summary>货架上的商品图：游戏物品自己的贴图（本 mod 的显卡用本 mod 的贴图）。</summary>
        private static Sprite Icon(string id)
        {
            if (IconCache.TryGetValue(id, out var cached)) return cached;
            Sprite sprite = null;
            var it = ModHelper.SpawnItem(BlackDelivery.GameId(id));
            if (it != null)
            {
                try { sprite = it.useSpriteFromMod ? Items.ModSprite(it.spritePath) : RenderHandler.LoadFromAtlas(it.spriteAtlasPath, it.spritePath); }
                catch (Exception ex) { Log.Info($"商品图读取失败 {id}：{ex.Message}"); }
                it.Destroy();
            }
            IconCache[id] = sprite;
            return sprite;
        }

        /// <summary>Web3 页里的黑市：黑市派系的链上实体。货架式商城（现货、订单）、我的订单与情报、Ponero 兑换处。</summary>
        private static void BlackPage(CustomUIBuilder b)
        {
            int rep = StoreReputation.GetBMReputation();
            int day = StoreStation.GetDayCounter();
            var d = Session.Data;
            if (Night.ActiveEvents().Contains(MarketEvent.Crackdown)) { b.AddLabel(L.T("black.offline")); return; }
            if (!BlackMarket.Open(rep)) { b.AddLabel(L.T("black.closed", Tuning.BmOpenRep, rep)); return; }
            bool desk = BlackMarket.DeskOpen(rep);
            b.BeginRow();
            foreach (BlackTab t in Enum.GetValues(typeof(BlackTab)))
            {
                if (t == BlackTab.Desk && !desk) continue;
                var tab = t;
                string name = L.T("black.sub." + t.ToString().ToLowerInvariant());
                b.AddButton(tab == _blackTab ? $"[{name}]" : name, () => { _blackTab = tab; _message = null; Open(); });
            }
            b.End();
            if (d.Black.Closed(day)) { b.AddLabel(L.T("black.rugged", d.Black.ClosedUntil - day + 1)); return; }
            if (_blackTab == BlackTab.Desk && desk) { DeskPage(b, rep, day); return; }
            if (_blackTab == BlackTab.Mine) { MinePage(b, day); return; }
            if (_blackTab == BlackTab.Sell) { SellPage(b, day); return; }
            bool orders = _blackTab == BlackTab.Orders;
            var w = d.Hot;
            b.AddLabel(L.T("black.rep", rep, BlackMarket.MaxLevel(rep)) + "　" + L.T("mixer.balance", _payAsset, Fmt.Num(w.Avail(_payAsset))) + (w.Taint > 0.5 ? "　" + L.T("wallet.taint", Fmt.Credits(w.Taint)) : ""));
            b.BeginRow();
            foreach (var a in new[] { Assets.PSC, Assets.CRT, Assets.CRA, Assets.Ponero })
            {
                var asset = a;
                b.AddButton(asset == _payAsset ? $"[{asset}]" : asset, () => { _payAsset = asset; Open(); });
            }
            if (orders)
                foreach (PayMode m in Enum.GetValues(typeof(PayMode)))
                {
                    var mode = m;
                    string n = L.T("black.mode." + m);
                    b.AddButton(mode == _mode ? $"[{n}]" : n, () => { _mode = mode; Open(); });
                }
            b.End();
            b.AddSeparator();
            if (!orders)
            {
                if (d.Black.Offers.Count == 0) b.AddLabel(L.T("black.empty"));
                Shelf(b, d.Black.Offers.Cast<BmGood>().ToList(), (c, g) =>
                {
                    var offer = (BmOffer)g;
                    GoodHead(c, g, L.T("black.stock", offer.Qty));
                    c.AddLabel(L.T("black.price", offer.Price));
                    c.AddFlexibleSpace();
                    c.AddButton(L.T("black.buy"), () => BuyOffer(offer));
                });
            }
            else MerchantShelf(b, d);
        }

        private static double _sellMult = 1.0;
        private static readonly double[] SellMults = { 0.6, 0.8, 0.9, 1.0, 1.2, 1.5, 1.8 };

        /// <summary>出售：储藏区里能上架的货做成货架，选标价倍率后上架。</summary>
        private static void SellPage(CustomUIBuilder b, int day)
        {
            var d = Session.Data;
            b.BeginRow();
            foreach (var m in SellMults)
            {
                double mult = m;
                string n = m.ToString("0.0", CultureInfo.InvariantCulture);
                b.AddButton(Math.Abs(mult - _sellMult) < 1e-9 ? $"[×{n}]" : "×" + n, () => { _sellMult = mult; Open(); });
            }
            b.End();
            b.AddLabel(L.T("mixer.balance", _payAsset, Fmt.Num(d.Hot.Avail(_payAsset))) + "　" + L.T("black.sell.rating", d.Black.Rating) + "　" + L.T("black.sell.slots", d.Black.ActiveListings, Tuning.BmMaxListings));
            b.AddButton(L.T("black.sell.all"), ListAll);
            b.AddSeparator();
            var items = BlackDelivery.Sellable();
            if (items.Count == 0) { b.AddLabel(L.T("black.sell.none")); return; }
            Shelf(b, items.Select(it =>
            {
                string id = BlackDelivery.SellId(it);
                var kind = BlackDelivery.KindOf(id);
                var g = new BmGood { Item = id, Kind = kind, Level = kind == GoodKind.Gpu ? 2 : Merchants.Info(id).Level };
                if (kind == GoodKind.Gpu) g.Health = Items.ToUnit(it).Health;
                g.Price = BlackMarket.ListPriceOf(BlackDelivery.RefValue(it), _sellMult);
                return new { g, it };
            }).Select(x => { SellCards[x.g] = x.it; return x.g; }).ToList(), (c, g) =>
            {
                var it = SellCards[g];
                GoodHead(c, g, "");
                c.AddLabel(L.T("black.price", g.Price));
                c.AddFlexibleSpace();
                c.AddButton(L.T("black.sell.list"), () => ListItem(it));
            });
        }

        private static readonly System.Collections.Generic.Dictionary<BmGood, GameItem> SellCards = new System.Collections.Generic.Dictionary<BmGood, GameItem>();

        private static void ListAll()
        {
            var d = Session.Data;
            int n = 0;
            foreach (var it in BlackDelivery.Sellable())
            {
                string id = BlackDelivery.SellId(it);
                if (id == null) continue;
                var u = Items.IsGpu(it) ? Items.ToUnit(it) : null;
                var s = d.Black.List(id, u?.Model, u?.FakeOf, u?.Health ?? 0, BlackDelivery.RefValue(it), _sellMult, d.Hot, _payAsset, StoreStation.GetDayCounter(), Session.Price);
                if (s == null) break;
                it.Destroy();
                n++;
            }
            _message = L.T("black.sell.listedall", n);
            Session.Save();
            Open();
        }

        private static void ListItem(GameItem it)
        {
            var d = Session.Data;
            string id = BlackDelivery.SellId(it);
            if (id == null) { Open(); return; }
            var u = Items.IsGpu(it) ? Items.ToUnit(it) : null;
            var s = d.Black.List(id, u?.Model, u?.FakeOf, u?.Health ?? 0, BlackDelivery.RefValue(it), _sellMult, d.Hot, _payAsset, StoreStation.GetDayCounter(), Session.Price);
            if (s == null) { _message = d.Black.ActiveListings >= Tuning.BmMaxListings ? L.T("black.sell.full", Tuning.BmMaxListings) : L.T("msg.balance"); Open(); return; }
            it.Destroy();
            _message = L.T("black.sell.listed", ItemName(id), s.ListPrice);
            Session.Save();
            Open();
        }

        private static string MerchantLabel(BmSeller s) => "[" + L.T("merchant." + s.Type) + "] " + s.Name;

        private static int _merchant;
        private static int _qty = 1;
        private static readonly int[] Qtys = { 1, 5, 10 };

        /// <summary>商家货架：选一家商家，看它这周的货，选件数下单。</summary>
        private static void MerchantShelf(CustomUIBuilder b, SaveData d)
        {
            var sellers = d.Black.Sellers;
            if (sellers.Count == 0) { b.AddLabel(L.T("black.empty")); return; }
            if (_merchant >= sellers.Count) _merchant = 0;
            b.BeginRow();
            foreach (var m in Qtys)
            {
                int q = m;
                b.AddButton(q == _qty ? $"[×{q}]" : "×" + q, () => { _qty = q; Open(); });
            }
            b.End();
            for (int i = 0; i < sellers.Count; i += 3)
            {
                b.BeginRow();
                for (int k = i; k < Math.Min(sellers.Count, i + 3); k++)
                {
                    int idx = k;
                    string n = MerchantLabel(sellers[k]);
                    b.AddButton(idx == _merchant ? "> " + n : n, () => { _merchant = idx; Open(); });
                }
                b.End();
            }
            var seller = sellers[_merchant];
            b.AddLabel(L.T("black.seller", MerchantLabel(seller), seller.Trades, seller.Rating) + "　" + L.T("black.days", seller.Days));
            var goods = d.Black.Catalog.Where(l => l.Seller == _merchant).Cast<BmGood>().ToList();
            if (goods.Count == 0) { b.AddLabel(L.T("black.empty")); return; }
            Shelf(b, goods, (c, g) =>
            {
                var listing = (BmListing)g;
                int count = Math.Min(_qty, listing.Qty);
                GoodHead(c, g, L.T("black.stock", listing.Qty));
                c.AddLabel(L.T("black.price", BlackMarket.Pay(BlackMarket.OrderTotal(listing.Price, count), _mode)) + (count > 1 ? " ×" + count : ""));
                c.AddFlexibleSpace();
                bool ok = _mode == PayMode.Escrow || seller.Advance;
                c.AddButton(ok ? L.T("black.order") : L.T("black.noadvance"), () => { if (ok) PlaceOrder(listing, count); });
            });
        }

        private const int ShelfCols = 4;
        private const float CardW = 172f, CardH = 268f;

        /// <summary>货架：一行 4 张商品卡。</summary>
        private static void Shelf(CustomUIBuilder b, System.Collections.Generic.List<BmGood> goods, Action<CustomUIBuilder, BmGood> card)
        {
            for (int i = 0; i < goods.Count; i += ShelfCols)
            {
                b.BeginRow(6f);
                for (int k = i; k < Math.Min(goods.Count, i + ShelfCols); k++)
                {
                    var g = goods[k];
                    b.BeginPanel(CardW, CardH, TextAnchor.UpperCenter, 6f, 3f);
                    card(b, g);
                    b.End();
                }
                b.End();
            }
        }

        private static void GoodHead(CustomUIBuilder c, BmGood g, string line2)
        {
            var sprite = Icon(g.Item);
            if (sprite != null) c.AddImage(sprite, 64f, 64f); else c.AddSpace(64f);
            c.AddLabel("<b>" + ItemName(g.Item) + "</b>");
            c.AddLabel(g.Kind == GoodKind.Gpu ? (g.Health >= 100 ? L.T("black.kind.gpunew") : L.T("black.kind.gpu", (int)Math.Round(g.Health))) : L.T("black.kind." + g.Kind + (g.Kind == GoodKind.Contraband ? "." + g.Level : "")));
            if (!string.IsNullOrEmpty(line2)) c.AddLabel(line2);
        }

        private static string ItemName(string id) => BlackDelivery.ItemName(id);

        private static void BuyOffer(BmOffer o)
        {
            var d = Session.Data;
            string item = o.Item, model = o.Model, fake = o.FakeOf;
            double health = o.Health;
            if (!d.Black.Buy(o, d.Hot, _payAsset, Session.Price)) { _message = L.T("msg.balance"); Open(); return; }
            Items.Give(BlackDelivery.Make(item, model, fake, health));
            _message = L.T("black.bought", ItemName(item));
            Session.Save();
            Open();
        }

        private static void PlaceOrder(BmListing l, int count)
        {
            var d = Session.Data;
            var o = d.Black.Place(l, count, _mode, d.Hot, _payAsset, StoreStation.GetDayCounter(), Session.Price);
            if (o == null) { _message = L.T("msg.balance"); Open(); return; }
            _message = L.T("black.ordered", ItemName(o.Item) + (o.Count > 1 ? " ×" + o.Count : ""), o.DueDay);
            Session.Save();
            Open();
        }

        private static void Delist(BmSale s)
        {
            var d = Session.Data;
            d.Black.Delist(s);
            Items.Give(BlackDelivery.Make(s.Item, s.Model, s.FakeOf, s.Health));
            Session.Save();
            Open();
        }

        /// <summary>我的订单与论坛情报。</summary>
        private static void MinePage(CustomUIBuilder b, int day)
        {
            var d = Session.Data;
            Columns(b, l =>
            {
                l.AddHeader(L.T("black.mine.h"));
                if (d.Black.Orders.Count == 0 && d.Black.Sales.Count == 0) l.AddLabel(L.T("black.mine.none"));
                foreach (var sl in d.Black.Sales.Where(x => x.State != SaleState.Delisted || x.Why == "fake").OrderByDescending(x => x.ListedDay))
                {
                    var sale = sl;
                    string st = sale.State == SaleState.Sold ? L.T("black.sale.Sold", sale.PayDay) : L.T("black.sale." + sale.State + (sale.State == SaleState.Delisted && sale.Why != null ? "." + sale.Why : ""));
                    l.AddLabel(L.T("black.mine.sale", ItemName(sale.Item), sale.Mult.ToString("0.0", CultureInfo.InvariantCulture), st));
                    if (sale.State == SaleState.Listed) l.AddButton(L.T("black.sell.delist"), () => Delist(sale));
                }
                foreach (var o in d.Black.Orders.OrderByDescending(x => x.PlacedDay))
                    l.AddLabel(L.T("black.mine.line", ItemName(o.Item) + (o.Count > 1 ? " ×" + o.Count : ""), BlackDelivery.DisplayName(o.Seller), L.T("black.mode." + o.Mode), L.T("black.state." + o.State + (o.Why != null && o.State != OrderState.Done ? "." + o.Why : "")), o.DueDay));
            }, r =>
            {
                r.AddHeader(L.T("black.forum.h"));
                if (d.Black.Forum.Count == 0) r.AddLabel(L.T("black.forum.quiet"));
                foreach (var f in d.Black.Forum)
                    r.AddLabel(f.StartsWith("scam:") ? L.T("black.forum.scam", BlackDelivery.DisplayName(f.Substring(5))) : f.StartsWith("busted:") ? L.T("black.forum.busted", f.Substring(7)) : L.T("black.forum." + f));
            });
        }

        private static void DeskPage(CustomUIBuilder b, int rep, int day)
        {
            var d = Session.Data;
            var w = d.Hot;
            Columns(b, l =>
            {
                l.AddHeader(L.T("black.desk.h"));
                l.AddLabel(L.T("black.desk.left", Fmt.Credits(d.Black.DeskLeft(day)), Fmt.Credits(Tuning.PoneroDailyCap)));
                l.AddLabel(L.T("black.desk.price", Fmt.Num(Session.Price(Assets.Ponero))));
                Holdings(l, w, a => a == Assets.Ponero || a == _deskAsset);
            }, r =>
            {
                r.AddHeader(L.T("black.desk.swap"));
                r.BeginRow();
                r.AddButton(_deskIn ? $"[{L.T("black.desk.in")}]" : L.T("black.desk.in"), () => { _deskIn = true; Open(); });
                r.AddButton(_deskIn ? L.T("black.desk.out") : $"[{L.T("black.desk.out")}]", () => { _deskIn = false; Open(); });
                r.End();
                r.BeginRow();
                foreach (var a in new[] { Assets.PSC, Assets.CRT, Assets.CRA })
                {
                    var asset = a;
                    r.AddButton(asset == _deskAsset ? $"[{asset}]" : asset, () => { _deskAsset = asset; Open(); });
                }
                r.End();
                r.AddLabel(_deskIn ? L.T("mixer.balance", _deskAsset, Fmt.Num(w.Avail(_deskAsset))) : L.T("mixer.balance", Assets.Ponero, Fmt.Num(w.Avail(Assets.Ponero))));
                AmountRow(r);
                r.AddButton(L.T("black.desk.go"), DeskSwap);
            });
        }

        private static void DeskSwap()
        {
            if (!ReadAmount(out double v)) return;
            var d = Session.Data;
            int day = StoreStation.GetDayCounter();
            double got = _deskIn ? d.Black.ToPonero(d.Hot, _deskAsset, v, day, Session.Price) : d.Black.FromPonero(d.Hot, _deskAsset, v, day, Session.Price);
            if (got < 0) { _message = L.T("black.desk.fail"); Open(); return; }
            // 从 Ponero 出来的币来源不明：出金审查按"来自混币器"加重
            if (!_deskIn) d.Mixer.LastReturnDay = day;
            _message = _deskIn ? L.T("msg.trade", Fmt.Num(v), _deskAsset, Fmt.Num(got), Assets.Ponero) : L.T("msg.trade", Fmt.Num(v), Assets.Ponero, Fmt.Num(got), _deskAsset);
            Session.Save();
            Open();
        }

        private enum Web3Tab { Trade, Mining, Mixer, Black }
        private static Web3Tab _web3Tab = Web3Tab.Trade;
        private static string _mixAsset = Assets.PSC;
        private static int _mixRounds = 2;
        private static readonly float[] MixW = { 70f, 100f, 100f, 80f };

        /// <summary>混币器：把币存进去，几轮之后提回同一个地址，污点降低，每轮扣手续费。</summary>
        private static void MixerPage(CustomUIBuilder b)
        {
            var d = Session.Data;
            var w = d.Hot;
            int day = StoreStation.GetDayCounter();
            Columns(b, l =>
            {
                l.AddHeader(L.T("mixer.h"));
                l.AddLabel(d.Mixer.Sanctioned(day) ? L.T("mixer.sanctioned", d.Mixer.SanctionedUntil - day + 1) : L.T("mixer.ok"));
                if (w.Taint > 0.5) l.AddLabel(L.T("wallet.taint", Fmt.Credits(w.Taint)));
                l.AddSeparator();
                l.AddHeader(L.T("mixer.pending"));
                if (d.Mixer.Pending.Count == 0) l.AddLabel(L.T("mixer.none"));
                else
                {
                    TableHeader(l, MixW, L.T("col.asset"), L.T("col.amount"), L.T("mixer.col.taint"), L.T("mixer.col.ready"));
                    foreach (var p in d.Mixer.Pending)
                        TableRow(l, MixW, p.Asset, Fmt.Num(p.Amount), Fmt.Credits(p.Taint), L.T("mixer.day", p.ReadyDay));
                }
            }, r =>
            {
                r.AddHeader(L.T("mixer.deposit"));
                r.BeginRow();
                foreach (var a in new[] { Assets.PSC, Assets.CRC, Assets.CRT, Assets.CRA })
                {
                    var asset = a;
                    r.AddButton(asset == _mixAsset ? $"[{asset}]" : asset, () => { _mixAsset = asset; Open(); });
                }
                r.End();
                r.AddLabel(L.T("mixer.balance", _mixAsset, Fmt.Num(w.Avail(_mixAsset))));
                AmountRow(r);
                r.AddLabel(L.T("mixer.rounds"));
                r.BeginRow();
                for (int n = 1; n <= Tuning.MixerMaxRounds; n++)
                {
                    int rounds = n;
                    r.AddButton(rounds == _mixRounds ? $"[{rounds}]" : rounds.ToString(), () => { _mixRounds = rounds; Open(); });
                }
                r.End();
                if (double.TryParse((_amount ?? "").Trim(), NumberStyles.Float, CultureInfo.InvariantCulture, out double v) && v > 0)
                {
                    double rate = Mixer.RoundRate(v * Session.Price(_mixAsset));
                    r.AddLabel(L.T("mixer.preview", Fmt.Num(v * Math.Pow(1 - Tuning.MixerFee, _mixRounds)), _mixAsset, (int)Math.Round((1 - Math.Pow(1 - rate, _mixRounds)) * 100), day + _mixRounds));
                }
                r.AddButton(L.T("mixer.go"), MixDeposit);
            });
        }

        private static void MixDeposit()
        {
            if (!ReadAmount(out double v)) return;
            var d = Session.Data;
            int day = StoreStation.GetDayCounter();
            if (d.Hot.Avail(_mixAsset) + 1e-9 < v) { _message = L.T("msg.balance"); Open(); return; }
            var dep = d.Mixer.Deposit(d.Hot, _mixAsset, v, _mixRounds, day, Session.Price);
            _message = dep == null ? L.T("mixer.min", Tuning.MixerMin) : L.T("mixer.done", Fmt.Num(v), _mixAsset, dep.ReadyDay);
            Session.Save();
            Open();
        }

        private static bool frozenPay(Wallet w, string asset) => w.Frozen.ContainsKey(asset);

        private static string AvgText(Wallet w, string asset) => w.AvgBuy(asset) is double a ? Fmt.Num(a) : L.T("avg.none");

        private static void ReportPage(CustomUIBuilder b)
        {
            var r = Session.Data.LastNight;
            if (r == null) { b.AddLabel(L.T("report.none")); return; }
            b.AddHeader(L.T("report.day", r.Day));
            b.AddLabel(L.T("report.rigs", r.PoweredRigs, r.Rigs));
            b.AddLabel(L.T("report.hash", Fmt.Num(r.Hash * 10), Fmt.Num(r.NetworkHash * 10)));
            b.AddLabel(L.T("report.mined", Fmt.Num(r.Mined), Fmt.Credits(r.Mined * r.Price)));
            b.AddLabel(L.T("report.energy", Fmt.Num(r.Kj)));
            b.AddLabel(L.T("report.burnt", r.Burnt.Count));
            foreach (var n in r.Burnt) b.AddLabel("  " + n);
            b.AddLabel(L.T("report.price", Fmt.Num(r.Price)));
        }

        private static bool ReadAmount(out double v)
        {
            if (!double.TryParse((_amount ?? "").Trim(), NumberStyles.Float, CultureInfo.InvariantCulture, out v) || v <= 0)
            {
                _message = L.T("msg.amount");
                Open();
                return false;
            }
            return true;
        }

        private static void Deposit()
        {
            if (!ReadAmount(out double v)) return;
            int credits = (int)Math.Floor(v);
            if (credits <= 0 || PlayerStore.Instance.playerCash < credits) { _message = L.T("msg.balance"); Open(); return; }
            ModHelper.AddCredit(-credits, false);
            var w = Session.Data.Hot;
            w.Add(Assets.CRC, credits / Session.Data.Stable.Crc);
            w.RecordBuy(Assets.CRC, credits / Session.Data.Stable.Crc, credits);
            w.Basis += credits;
            _message = L.T("msg.deposit", credits);
            Session.Save();
            Open();
        }

        private static void Withdraw()
        {
            if (!ReadAmount(out double v)) return;
            var d = Session.Data;
            if (d.Hot.Get(Assets.CRC) + 1e-9 < v) { _message = L.T("msg.balance"); Open(); return; }
            var r = d.Exchange.Cashout(d.Hot, v, Session.Price, StoreStation.GetDayCounter(), Session.Rent(), d.Mixer.RecentlyMixed(StoreStation.GetDayCounter()), d.Rng);
            int got = (int)Math.Floor(r.Received - r.Tax);
            ModHelper.AddCredit(got, true);
            _message = L.T("msg.cashout", got, Fmt.Credits(r.Tax));
            if (r.Outcome == AmlOutcome.Light) _message += "\n" + L.T("msg.aml_light", Fmt.Credits(r.Confiscated));
            if (r.Outcome == AmlOutcome.Heavy)
            {
                _message += "\n" + L.T("msg.aml_heavy", Fmt.Credits(r.Confiscated));
                PlayerStore.Instance.secData.CommitCrime("FENCING", (int)Math.Round(r.Crime));
            }
            Session.Save();
            Open();
        }

        private static void Trade(Pool p, bool buy)
        {
            if (!ReadAmount(out double v)) return;
            var w = Session.Data.Hot;
            string pay = buy ? p.Quote : p.Base, get = buy ? p.Base : p.Quote;
            if (w.Avail(pay) + 1e-9 < v) { _message = L.T(frozenPay(w, pay) ? "msg.frozen" : "msg.balance"); Open(); return; }
            double got = buy ? p.BuyBase(v) : p.SellBase(v);
            double spent = v * Session.Price(pay);
            w.Add(pay, -v);
            w.Add(get, got);
            w.RecordBuy(get, got, spent);
            _message = L.T("msg.trade", Fmt.Num(v), pay, Fmt.Num(got), get);
            Session.Save();
            Open();
        }
    }
}