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170 lines (151 loc) · 5.13 KB
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/*
컨트롤러 — 앱 상태를 소유하고, 뷰(ui.ts)와 도메인(state.ts/draw.ts/wheel.ts)을 잇는다.
핵심은 회전의 비동기 흐름이다(FR-3.3, FR-3.4):
1) 결과 슬롯을 '먼저' 무작위로 정한다(pickResultSlot).
2) 입력/버튼을 잠근다(beginSpin + lockForSpin).
3) 그 슬롯에 멈추도록 회전을 역산해 애니메이션(spinTo).
4) 끝나면 결과를 확정하고(resolveSpin) 다음 참가자를 정한 뒤 전체 재렌더.
*/
import { pickResultSlot } from "./draw.js";
import {
assignNextParticipant,
beginSpin,
createInitialState,
reset,
resolveSpin,
selectParticipant,
setMissOnceMode,
setParticipantsFromCount,
setParticipantsFromNames,
setPrizes,
setSelectionMode,
startDraw,
} from "./state.js";
import { clearState, loadState, saveState } from "./storage.js";
import type { AppState } from "./types.js";
import type { Handlers } from "./ui.js";
import { lockForSpin, refreshSetupStatus, render } from "./ui.js";
import { highlightResult, spinTo } from "./wheel.js";
const root = document.getElementById("app");
if (!root) throw new Error("#app 마운트 지점을 찾을 수 없습니다.");
const app = root; // non-null 보장
let state: AppState = loadState() ?? createInitialState();
let showResetModal = false;
function renderAll(): void {
render(app, state, handlers, showResetModal);
}
const handlers: Handlers = {
// ── 설정 입력: 포커스 보존을 위해 전체 재렌더 없이 부분 갱신 ──
onParticipantsChange(text, mode) {
state =
mode === "names"
? setParticipantsFromNames(state, text)
: setParticipantsFromCount(state, Number(text));
refreshSetupStatus(app, state);
},
onPrizesChange(text) {
state = setPrizes(state, text);
refreshSetupStatus(app, state);
},
onToggleMissOnce(on) {
state = setMissOnceMode(state, on);
},
onSelectionMode(mode) {
state = setSelectionMode(state, mode);
},
// ── 추첨 시작 ──
onStart() {
state = startDraw(state);
saveState(state);
renderAll();
},
// ── 회전(비동기 흐름) ──
onSpin() {
void runSpin();
},
onSelectParticipant(id) {
state = id ? selectParticipant(state, id) : { ...state, currentParticipantId: null };
renderAll();
},
// ── 초기화(확인 모달) ──
onRequestReset() {
showResetModal = true;
renderAll();
},
onCancelReset() {
showResetModal = false;
renderAll();
},
onConfirmReset() {
clearState();
state = reset();
showResetModal = false;
renderAll();
},
onExportCsv() {
exportCsv(state);
},
};
/** 회전 1회의 전체 수명주기. */
async function runSpin(): Promise<void> {
if (state.isSpinning || state.currentParticipantId == null) return;
const slotCount = state.slots.length;
// ① 결과를 먼저 결정한다(무결성: 연출과 독립).
const resultIndex = pickResultSlot(slotCount);
// ② 잠금. 전체 재렌더 없이 버튼·배너만 잠금 상태로(로터 보존).
state = beginSpin(state);
lockForSpin(app, state);
const rotor = app.querySelector(".wheel-rotor") as SVGGElement | null;
// ③ 그 슬롯에 멈추도록 역산 애니메이션 → 멈춘 뒤 결과 연출(하이라이트 + 컨페티 1회).
if (rotor) {
await spinTo(rotor, resultIndex, slotCount);
// reduced-motion 이면 연출 없이 즉시 결과 표시(guide 4.3).
if (!window.matchMedia("(prefers-reduced-motion: reduce)").matches) {
const isWin = state.slots[resultIndex]?.kind === "prize";
highlightResult(rotor, resultIndex, isWin);
if (isWin) fireConfetti();
await sleep(1400);
}
}
// ④ 결과 확정 → 재배치/종료판정 → 다음 참가자 → 재렌더.
state = resolveSpin(state, resultIndex, Date.now());
if (state.phase === "drawing" && state.selectionMode === "auto") {
state = assignNextParticipant(state);
}
saveState(state);
renderAll();
}
/** 당첨 확정 신호 — canvas-confetti 1회. CDN 미로드(오프라인)면 조용히 생략(NFR-5 유지). */
function fireConfetti(): void {
const fire = (window as unknown as { confetti?: (opts: object) => void }).confetti;
fire?.({ particleCount: 120, spread: 70, origin: { y: 0.6 } });
}
function sleep(ms: number): Promise<void> {
return new Promise((r) => setTimeout(r, ms));
}
/** 결과 목록을 CSV로 내보낸다(FR-7.3). */
function exportCsv(s: AppState): void {
const header = ["round", "participant", "result", "time"];
const escapeCell = (v: string) => `"${v.replace(/"/g, '""')}"`;
const lines = [header.join(",")];
for (const r of s.results) {
lines.push(
[
String(r.round),
escapeCell(r.participantLabel),
escapeCell(r.prizeName ?? "꽝"),
new Date(r.timestamp).toISOString(),
].join(",")
);
}
const blob = new Blob(["" + lines.join("\n")], { type: "text/csv;charset=utf-8" });
const url = URL.createObjectURL(blob);
const a = document.createElement("a");
a.href = url;
a.download = "lucky-draw-results.csv";
document.body.appendChild(a);
a.click();
a.remove();
URL.revokeObjectURL(url);
}
renderAll();