Files
initiative/apps/web/src/App.tsx

144 lines
3.2 KiB
TypeScript

import type { CombatantId } from "@initiative/domain";
import { type FormEvent, useCallback, useRef, useState } from "react";
import { useEncounter } from "./hooks/use-encounter";
function formatEvent(e: ReturnType<typeof useEncounter>["events"][number]) {
switch (e.type) {
case "TurnAdvanced":
return `Turn: ${e.previousCombatantId}${e.newCombatantId} (round ${e.roundNumber})`;
case "RoundAdvanced":
return `Round advanced to ${e.newRoundNumber}`;
case "CombatantAdded":
return `Added combatant: ${e.name}`;
case "CombatantRemoved":
return `Removed combatant: ${e.name}`;
case "CombatantUpdated":
return `Renamed combatant: ${e.oldName}${e.newName}`;
}
}
function EditableName({
name,
combatantId,
isActive,
onRename,
}: {
name: string;
combatantId: CombatantId;
isActive: boolean;
onRename: (id: CombatantId, newName: string) => void;
}) {
const [editing, setEditing] = useState(false);
const [draft, setDraft] = useState(name);
const inputRef = useRef<HTMLInputElement>(null);
const commit = useCallback(() => {
const trimmed = draft.trim();
if (trimmed !== "" && trimmed !== name) {
onRename(combatantId, trimmed);
}
setEditing(false);
}, [draft, name, combatantId, onRename]);
const startEditing = useCallback(() => {
setDraft(name);
setEditing(true);
requestAnimationFrame(() => inputRef.current?.select());
}, [name]);
if (editing) {
return (
<input
ref={inputRef}
type="text"
value={draft}
onChange={(e) => setDraft(e.target.value)}
onBlur={commit}
onKeyDown={(e) => {
if (e.key === "Enter") commit();
if (e.key === "Escape") setEditing(false);
}}
/>
);
}
return (
<button type="button" onClick={startEditing}>
{isActive ? `${name}` : name}
</button>
);
}
export function App() {
const {
encounter,
events,
advanceTurn,
addCombatant,
removeCombatant,
editCombatant,
} = useEncounter();
const activeCombatant = encounter.combatants[encounter.activeIndex];
const [nameInput, setNameInput] = useState("");
const handleAdd = (e: FormEvent) => {
e.preventDefault();
if (nameInput.trim() === "") return;
addCombatant(nameInput);
setNameInput("");
};
return (
<div>
<h1>Initiative Tracker</h1>
{activeCombatant && (
<p>
Round {encounter.roundNumber} Current: {activeCombatant.name}
</p>
)}
<ul>
{encounter.combatants.map((c, i) => (
<li key={c.id}>
<EditableName
name={c.name}
combatantId={c.id}
isActive={i === encounter.activeIndex}
onRename={editCombatant}
/>{" "}
<button type="button" onClick={() => removeCombatant(c.id)}>
Remove
</button>
</li>
))}
</ul>
<form onSubmit={handleAdd}>
<input
type="text"
value={nameInput}
onChange={(e) => setNameInput(e.target.value)}
placeholder="Combatant name"
/>
<button type="submit">Add Combatant</button>
</form>
<button type="button" onClick={advanceTurn}>
Next Turn
</button>
{events.length > 0 && (
<div>
<h2>Events</h2>
<ul>
{events.map((e, i) => (
<li key={`${e.type}-${i}`}>{formatEvent(e)}</li>
))}
</ul>
</div>
)}
</div>
);
}