7 changed files with 430 additions and 0 deletions
@@ -146,6 +146,14 @@
                    </div>
                    <p id="standingsEmptyHint" class="fieldHint">Everyone who has bought in shows up here, with what they'd be owed if the night ended now.</p>

+                    <h3 class="panelSubhead">Waiting list</h3>
+                    <form id="waitingListForm" class="waitingAdd">
+                        <input type="text" id="waitingNameInput" maxlength="24" placeholder="Who's waiting?" autocomplete="off" />
+                        <button type="submit" id="waitingAddBtn" class="holdemBtn holdemBtnSmall">Add</button>
+                    </form>
+                    <ol id="waitingList" class="waitingList"></ol>
+                    <p id="waitingEmptyHint" class="fieldHint">Nobody waiting. Add the people standing behind the chairs, and the tool will offer them the next seat that opens.</p>
+
                    <div id="bankReconcile" class="bankReconcile" hidden>
                        <div class="bankReconcileRow">
                            <span>Cash taken</span>
@@ -2312,6 +2312,86 @@ body.hasActionBar #holdemSidebar {
    font-style: italic;
 }

+/* The people standing behind the chairs. A short list in a panel that already has a
+   lot in it, so it is built from rows rather than a table: a name, the seat it can go
+   in, and a way off the list. */
+.waitingAdd {
+    display: flex;
+    gap: 0.4rem;
+    margin-bottom: 0.5rem;
+}
+
+.waitingAdd input {
+    flex: 1;
+    min-width: 0;
+    min-height: 44px;
+    background: #141414;
+    border: 1px solid #3a3a3a;
+    border-radius: 8px;
+    color: #eee;
+    font-family: inherit;
+    /* 16px, or iOS zooms the whole page in when it takes focus. */
+    font-size: 16px;
+    padding: 0.35rem 0.6rem;
+}
+
+.waitingAdd .holdemBtn {
+    flex: none;
+    min-height: 44px;
+}
+
+.waitingList {
+    list-style: none;
+    counter-reset: waiting;
+    margin: 0 0 0.5rem;
+    padding: 0;
+    display: flex;
+    flex-direction: column;
+    gap: 0.35rem;
+}
+
+.waitingRow {
+    display: flex;
+    align-items: center;
+    gap: 0.4rem;
+    counter-increment: waiting;
+}
+
+/* The position in the queue, which is the whole point of the list. */
+.waitingRow::before {
+    content: counter(waiting) ".";
+    flex: none;
+    min-width: 1.2rem;
+    color: #9a9a9a;
+    font-size: 0.78rem;
+    font-variant-numeric: tabular-nums;
+}
+
+.waitingName {
+    flex: 1;
+    min-width: 0;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    color: #e8e8e8;
+    font-size: 0.85rem;
+}
+
+.waitingNote {
+    flex: none;
+    color: #9a9a9a;
+    font-size: 0.75rem;
+}
+
+.waitingRow .holdemBtn {
+    flex: none;
+    min-height: 44px;
+}
+
+.waitingDropBtn {
+    min-width: 44px;
+}
+
 /* ---------- Side-pot breakdown ---------- */

 .potBreakdown {
@@ -56,6 +56,35 @@ document.addEventListener("DOMContentLoaded", () => {
        },

        onSeatLongPress: index => SeatMenu.open(state, seatMenuHooks, index),
+
+        // The waiting list, from the Session panel and from an empty chair's menu.
+        // The state change goes inside runUndoable, not before it: the snapshot is
+        // taken as the first thing that happens, so anything done ahead of it is
+        // already baked into what Undo would restore.
+        seatWaiting: (id, index) => {
+            const entry = (state.waitingList || []).find(row => row.id === id);
+            const seat = state.seats[index];
+            if (!entry || !seat) {
+                Toast.show("They aren't on the list any more.", { duration: 3000 });
+                hooks.rerender();
+                return;
+            }
+            const occupied = (seat.name || "").trim() || Number(seat.buyIns) > 0 || Number(seat.stack) > 0;
+            if (occupied) {
+                Toast.show(`${HoldemState.displayName(seat, index)} is already in that seat.`, { duration: 3500 });
+                hooks.rerender();
+                return;
+            }
+            runUndoable(`${entry.name} takes seat ${index + 1}. Add their chips when they buy in.`,
+                () => HoldemState.seatFromWaitingList(state, id, index));
+        },
+
+        dropWaiting: id => {
+            const entry = (state.waitingList || []).find(row => row.id === id);
+            if (!entry) return;
+            runUndoable(`${entry.name} taken off the waiting list.`,
+                () => HoldemState.removeFromWaitingList(state, id));
+        },
        onGiveButton: index => seatMenuHooks.makeDealer(index),
    };

@@ -403,6 +432,16 @@ document.addEventListener("DOMContentLoaded", () => {

    // A misdeal. Everything in the middle goes back to whoever put it there, and the
    // same button deals the same hand again.
+    document.getElementById("waitingListForm").addEventListener("submit", e => {
+        e.preventDefault();
+        const field = document.getElementById("waitingNameInput");
+        const name = field.value.trim();
+        if (!name) return;
+        field.value = "";
+        runUndoable(`${name} added to the waiting list.`, () => HoldemState.addToWaitingList(state, name));
+        field.focus();
+    });
+
    document.getElementById("misdealBtn").addEventListener("click", async () => {
        const inPlay = HoldemState.unresolvedContributions(state);
        const acted = state.seats.filter(p => p.hasActed).length;
@@ -1058,9 +1058,63 @@ const Render = {

        this.renderBankReconciliation();
        this.renderSettleUp(standings);
+        this.renderWaitingList();
        this.renderStorageWarning();
    },

+    // Who is standing behind the chairs, in the order they turned up. Each one carries
+    // the two things a dealer does with them: sit them down, or take them off the list
+    // because they've gone to the bar.
+    renderWaitingList() {
+        const list = document.getElementById("waitingList");
+        const hint = document.getElementById("waitingEmptyHint");
+        if (!list) return;
+
+        const waiting = this.state.waitingList || [];
+        const open = HoldemState.openSeats(this.state);
+        list.innerHTML = "";
+        hint.hidden = waiting.length > 0;
+
+        waiting.forEach((entry, position) => {
+            const row = document.createElement("li");
+            row.className = "waitingRow";
+
+            const name = document.createElement("span");
+            name.className = "waitingName";
+            name.textContent = entry.name;
+            row.appendChild(name);
+
+            // Only the person at the front is offered a seat, because a list nobody
+            // keeps in order is just a pile of names — and jumping the queue is the
+            // thing the dealer gets shouted at for.
+            if (position === 0 && open.length > 0) {
+                const seat = document.createElement("button");
+                seat.type = "button";
+                seat.className = "holdemBtn holdemBtnSmall waitingSeatBtn";
+                seat.textContent = `Seat ${open[0] + 1}`;
+                seat.title = `Sit ${entry.name} in seat ${open[0] + 1}`;
+                seat.addEventListener("click", () => this.hooks.seatWaiting(entry.id, open[0]));
+                row.appendChild(seat);
+            } else if (position === 0) {
+                const full = document.createElement("span");
+                full.className = "waitingNote";
+                full.textContent = "table full";
+                row.appendChild(full);
+            }
+
+            const drop = document.createElement("button");
+            drop.type = "button";
+            drop.className = "holdemBtn holdemBtnSmall holdemBtnGhost waitingDropBtn";
+            drop.textContent = "✕";
+            drop.setAttribute("aria-label", `Take ${entry.name} off the waiting list`);
+            drop.title = `Take ${entry.name} off the list`;
+            drop.addEventListener("click", () => this.hooks.dropWaiting(entry.id));
+            row.appendChild(drop);
+
+            list.appendChild(row);
+        });
+    },
+
    // A toast is a moment; this table not being saved is a fact about the rest of the
    // night. It sits at the top of the panel a dealer opens to check the money, and it
    // stays there, because the raise pad dismisses toasts and the one time this warning
@@ -47,6 +47,21 @@ const SeatMenu = {
            run: () => this.hooks.toggleDealtIn(index),
        });

+        // An empty chair with people waiting: the dealer taps the chair somebody is
+        // about to sit in, which is what their hand is doing anyway. Only the front of
+        // the queue is offered, for the same reason the panel only offers them — a list
+        // that isn't kept in order is just a pile of names.
+        const waiting = (this.state.waitingList || [])[0];
+        const emptyChair = !(player.name || "").trim() &&
+            !(Number(player.buyIns) > 0) && !(Number(player.stack) > 0);
+        if (waiting && emptyChair) {
+            actions.push({
+                label: `Seat ${waiting.name}`,
+                className: "menuAccent",
+                run: () => this.hooks.seatWaiting(waiting.id, index),
+            });
+        }
+
        // Leaving for the night, which is a different thing from sitting out a hand:
        // the chips go back over the rail and the chair opens. Offered only for a seat
        // that has somebody in it, since an empty chair has nobody to pay.
@@ -115,6 +115,10 @@ const HoldemState = {
            // out, and both halves have to stay on the record or the bank check reads
            // as a shortfall for the rest of the evening.
            cashedOut: [],
+            // People standing behind the chairs. A dealer at a full table keeps this
+            // list on a napkin; keeping it here means the tool can offer the next seat
+            // that opens to whoever has been waiting longest.
+            waitingList: [],
            // Which seats actually put a straddle out when the hand was dealt, so the
            // felt can badge them. Read off the deal rather than worked out again
            // later, the same way the posted blinds are.
@@ -233,6 +237,16 @@ const HoldemState = {
                noFlopNoDrop: rake.noFlopNoDrop !== false,
            };
            parsed.rakeTaken = Math.max(0, Money.round(Number(parsed.rakeTaken) || 0));
+            parsed.waitingList = Array.isArray(parsed.waitingList)
+                ? parsed.waitingList
+                    .map(row => (typeof row === "string" ? { id: null, name: row } : row))
+                    .filter(row => row && String(row.name || "").trim())
+                    .map(row => ({
+                        id: row.id || this.makeId("waiting"),
+                        name: String(row.name).trim().slice(0, 24),
+                        addedAt: Number(row.addedAt) || 0,
+                    }))
+                : [];
            parsed.cashedOut = Array.isArray(parsed.cashedOut)
                ? parsed.cashedOut
                    .filter(row => row && row.id)
@@ -875,6 +889,59 @@ const HoldemState = {
    //
    // Chips in play counts everything a player could hand back: what's in front of
    // them and what's in the middle waiting to be won.
+    // ---- The people standing behind the chairs ----
+    //
+    // A full home game always has a couple of them, and the list lives on a napkin or
+    // in the dealer's head — which is where the argument comes from an hour later about
+    // who said they were next. Kept in order of arrival, because that is the only
+    // ordering anybody has ever agreed to.
+
+    addToWaitingList(state, name) {
+        const trimmed = String(name || "").trim().slice(0, 24);
+        if (!trimmed) return null;
+        if (!Array.isArray(state.waitingList)) state.waitingList = [];
+        const entry = { id: this.makeId("waiting"), name: trimmed, addedAt: Date.now() };
+        state.waitingList.push(entry);
+        return entry;
+    },
+
+    removeFromWaitingList(state, id) {
+        if (!Array.isArray(state.waitingList)) return null;
+        const index = state.waitingList.findIndex(row => row.id === id);
+        if (index < 0) return null;
+        return state.waitingList.splice(index, 1)[0];
+    },
+
+    // Chairs with nobody in them, in seat order. What "a seat has opened" means, and
+    // the same question the deal prompt answers when it counts the players.
+    openSeats(state) {
+        return state.seats
+            .map((player, index) => ({ player, index }))
+            .filter(({ player }) => !(player.name || "").trim() &&
+                !(Number(player.buyIns) > 0) && !(Number(player.stack) > 0))
+            .map(({ index }) => index);
+    },
+
+    // Sit the next person down. Their name goes on the chair and nothing else does:
+    // they haven't bought in yet, and guessing a stack for them would put chips on the
+    // table that nobody has paid for — which is the one thing the bank check exists to
+    // catch.
+    seatFromWaitingList(state, id, index) {
+        const seat = state.seats[index];
+        if (!seat) return { ok: false, reason: "There's no such seat." };
+        if ((seat.name || "").trim() || Number(seat.buyIns) > 0 || Number(seat.stack) > 0) {
+            return { ok: false, reason: `${this.displayName(seat, index)} is already in that seat.` };
+        }
+        const entry = this.removeFromWaitingList(state, id);
+        if (!entry) return { ok: false, reason: "They aren't on the list any more." };
+
+        seat.name = entry.name;
+        // Not dealt in and holding nothing: the next thing that happens is the dealer
+        // taking their money, and Add chips is what says so.
+        seat.inHand = false;
+        return { ok: true, name: entry.name, index };
+    },
+
    // ---- Somebody leaving with their chips ----
    //
    // The most ordinary thing that happens at a home game after midnight, and the tool
@@ -0,0 +1,167 @@
+// The people standing behind the chairs.
+//
+// A full home game always has a couple of them, and the list lives on a napkin or in
+// the dealer's head — which is where the argument comes from an hour later about who
+// said they were next. Order of arrival, because it is the only ordering anybody has
+// ever agreed to.
+const test = require("node:test");
+const { describe } = require("node:test");
+const assert = require("node:assert");
+const { HoldemState } = require("./load");
+
+const table = (seated = 2, seats = 4) => {
+    const state = HoldemState.createDefault();
+    HoldemState.resizeSeats(state, seats);
+    ["Ann", "Ben", "Cal", "Dee"].slice(0, seated).forEach((name, i) => {
+        state.seats[i].name = name;
+        state.seats[i].stack = 200;
+        state.seats[i].buyIns = 200;
+    });
+    return state;
+};
+
+describe("keeping the list", () => {
+    test("names go on in the order they arrive", () => {
+        const state = table();
+        HoldemState.addToWaitingList(state, "Priya");
+        HoldemState.addToWaitingList(state, "Sam");
+        assert.deepEqual(state.waitingList.map(row => row.name), ["Priya", "Sam"]);
+    });
+
+    test("whitespace is trimmed and nothing empty gets on", () => {
+        const state = table();
+        assert.ok(HoldemState.addToWaitingList(state, "  Priya  "));
+        assert.equal(HoldemState.addToWaitingList(state, "   "), null);
+        assert.equal(HoldemState.addToWaitingList(state, ""), null);
+        assert.deepEqual(state.waitingList.map(row => row.name), ["Priya"]);
+    });
+
+    test("two people with the same name are two people", () => {
+        // Home games have two Mikes. The list is keyed by id, not by name.
+        const state = table();
+        HoldemState.addToWaitingList(state, "Mike");
+        HoldemState.addToWaitingList(state, "Mike");
+        assert.equal(state.waitingList.length, 2);
+        assert.notEqual(state.waitingList[0].id, state.waitingList[1].id);
+
+        HoldemState.removeFromWaitingList(state, state.waitingList[0].id);
+        assert.equal(state.waitingList.length, 1, "only one of them leaves");
+    });
+
+    test("taking somebody off gives them back, so the toast can name them", () => {
+        const state = table();
+        HoldemState.addToWaitingList(state, "Priya");
+        const gone = HoldemState.removeFromWaitingList(state, state.waitingList[0].id);
+        assert.equal(gone.name, "Priya");
+        assert.deepEqual(state.waitingList, []);
+        assert.equal(HoldemState.removeFromWaitingList(state, "not-a-real-id"), null);
+    });
+});
+
+describe("which chairs are open", () => {
+    test("the ones with nobody in them, in seat order", () => {
+        assert.deepEqual(HoldemState.openSeats(table(2, 4)), [2, 3]);
+        assert.deepEqual(HoldemState.openSeats(table(4, 4)), []);
+    });
+
+    test("a chair with chips or a buy-in on it is not open", () => {
+        // Somebody who has stepped away from the table still owns their seat.
+        const state = table(2, 4);
+        state.seats[2].stack = 120;
+        state.seats[3].buyIns = 100;
+        assert.deepEqual(HoldemState.openSeats(state), []);
+    });
+});
+
+describe("sitting somebody down", () => {
+    test("their name goes on the chair and they come off the list", () => {
+        const state = table();
+        HoldemState.addToWaitingList(state, "Priya");
+        HoldemState.addToWaitingList(state, "Sam");
+        const result = HoldemState.seatFromWaitingList(state, state.waitingList[0].id, 2);
+
+        assert.equal(result.ok, true);
+        assert.equal(state.seats[2].name, "Priya");
+        assert.deepEqual(state.waitingList.map(row => row.name), ["Sam"]);
+    });
+
+    test("with nothing in front of them, because they haven't bought in yet", () => {
+        // Guessing a stack would put chips on the table nobody has paid for, which is
+        // the one thing the bank check exists to catch.
+        const state = table();
+        HoldemState.addToWaitingList(state, "Priya");
+        HoldemState.seatFromWaitingList(state, state.waitingList[0].id, 2);
+
+        assert.equal(state.seats[2].stack, null);
+        assert.equal(state.seats[2].buyIns, 0);
+        assert.equal(state.seats[2].inHand, false, "they're in the next hand, not this one");
+        assert.equal(HoldemState.bankReconciliation(state).balanced, true);
+    });
+
+    test("never into a chair somebody is already in", () => {
+        const state = table();
+        HoldemState.addToWaitingList(state, "Priya");
+        const result = HoldemState.seatFromWaitingList(state, state.waitingList[0].id, 0);
+        assert.equal(result.ok, false);
+        assert.match(result.reason, /Ann is already/);
+        assert.equal(state.waitingList.length, 1, "and they keep their place in the queue");
+    });
+
+    test("nor from a name that has already been seated", () => {
+        const state = table();
+        HoldemState.addToWaitingList(state, "Priya");
+        const id = state.waitingList[0].id;
+        HoldemState.seatFromWaitingList(state, id, 2);
+        const again = HoldemState.seatFromWaitingList(state, id, 3);
+        assert.equal(again.ok, false);
+        assert.equal(state.seats[3].name, "", "the second chair is untouched");
+    });
+
+    test("a seat that doesn't exist is refused rather than invented", () => {
+        const state = table();
+        HoldemState.addToWaitingList(state, "Priya");
+        assert.equal(HoldemState.seatFromWaitingList(state, state.waitingList[0].id, 99).ok, false);
+        assert.equal(state.waitingList.length, 1);
+    });
+});
+
+describe("a seat opening up", () => {
+    test("cashing somebody out is what makes room for the next one", () => {
+        const state = table(4, 4);
+        HoldemState.addToWaitingList(state, "Priya");
+        assert.deepEqual(HoldemState.openSeats(state), [], "the table is full");
+
+        HoldemState.cashOut(state, 1);
+        assert.deepEqual(HoldemState.openSeats(state), [1]);
+
+        const seated = HoldemState.seatFromWaitingList(state, state.waitingList[0].id, 1);
+        assert.equal(seated.ok, true);
+        assert.equal(state.seats[1].name, "Priya");
+        // Ben's night is still on the record, and the money still adds up.
+        assert.equal(state.cashedOut.length, 1);
+        assert.equal(HoldemState.bankReconciliation(state).balanced, true);
+    });
+});
+
+describe("what a saved table remembers", () => {
+    test("the list survives a reload", () => {
+        const state = table();
+        HoldemState.addToWaitingList(state, "Priya");
+        const migrated = HoldemState.migrate(JSON.parse(JSON.stringify(state)));
+        assert.deepEqual(migrated.waitingList.map(row => row.name), ["Priya"]);
+    });
+
+    test("a table saved before the list existed has nobody waiting", () => {
+        const parsed = JSON.parse(JSON.stringify(table()));
+        delete parsed.waitingList;
+        assert.deepEqual(HoldemState.migrate(parsed).waitingList, []);
+    });
+
+    test("junk in a saved list is cleaned up rather than trusted", () => {
+        const parsed = JSON.parse(JSON.stringify(table()));
+        parsed.waitingList = [{ name: "  Priya  " }, { name: "" }, null, "Sam"];
+        const migrated = HoldemState.migrate(parsed);
+        assert.deepEqual(migrated.waitingList.map(row => row.name), ["Priya", "Sam"]);
+        assert.ok(migrated.waitingList.every(row => row.id), "and everybody gets an id");
+    });
+});