368 lines
15 KiB
JavaScript
368 lines
15 KiB
JavaScript
import React, { useEffect, useMemo, useState } from 'react';
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import { deleteHistory, getHistory, getLatest, recommend } from '../../api';
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const fmtKST = (value) => value?.replace('T', ' ') ?? '';
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const ballClass = (n) => {
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if (n <= 10) return 'lotto-ball range-a';
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if (n <= 20) return 'lotto-ball range-b';
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if (n <= 30) return 'lotto-ball range-c';
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if (n <= 40) return 'lotto-ball range-d';
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return 'lotto-ball range-e';
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};
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const Ball = ({ n }) => <span className={ballClass(n)}>{n}</span>;
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const NumberRow = ({ nums }) => (
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<div className="lotto-row">
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{nums.map((n) => (
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<Ball key={n} n={n} />
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))}
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</div>
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);
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export default function Functions() {
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const [latest, setLatest] = useState(null);
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const [params, setParams] = useState({
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recent_window: 200,
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recent_weight: 2.0,
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avoid_recent_k: 5,
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});
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const presets = useMemo(
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() => [
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{ name: '기본', recent_window: 200, recent_weight: 2.0, avoid_recent_k: 5 },
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{ name: '최근 가중치↑', recent_window: 100, recent_weight: 3.0, avoid_recent_k: 10 },
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{ name: '안전(분산)', recent_window: 300, recent_weight: 1.6, avoid_recent_k: 8 },
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{ name: '공격(최근)', recent_window: 80, recent_weight: 3.5, avoid_recent_k: 12 },
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],
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[]
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);
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const [result, setResult] = useState(null);
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const [history, setHistory] = useState([]);
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const [loading, setLoading] = useState({
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latest: false,
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recommend: false,
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history: false,
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});
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const [error, setError] = useState('');
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const refreshLatest = async () => {
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setLoading((s) => ({ ...s, latest: true }));
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setError('');
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try {
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const data = await getLatest();
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setLatest(data);
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} catch (e) {
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setError(e?.message ?? String(e));
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} finally {
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setLoading((s) => ({ ...s, latest: false }));
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}
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};
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const refreshHistory = async () => {
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setLoading((s) => ({ ...s, history: true }));
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setError('');
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try {
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const data = await getHistory(30);
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setHistory(data.items ?? []);
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} catch (e) {
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setError(e?.message ?? String(e));
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} finally {
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setLoading((s) => ({ ...s, history: false }));
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}
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};
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const onRecommend = async () => {
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setLoading((s) => ({ ...s, recommend: true }));
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setError('');
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try {
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const data = await recommend(params);
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setResult(data);
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await refreshHistory();
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} catch (e) {
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setError(e?.message ?? String(e));
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} finally {
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setLoading((s) => ({ ...s, recommend: false }));
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}
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};
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const onDelete = async (id) => {
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const ok = confirm(`히스토리 #${id}를 삭제할까요?`);
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if (!ok) return;
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setError('');
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try {
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await deleteHistory(id);
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setHistory((prev) => prev.filter((item) => item.id !== id));
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} catch (e) {
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setError(e?.message ?? String(e));
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}
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};
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const copyNumbers = async (nums) => {
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const text = nums.join(', ');
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try {
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await navigator.clipboard.writeText(text);
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alert(`복사 완료: ${text}`);
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} catch {
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prompt('복사해서 사용하세요:', text);
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}
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};
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useEffect(() => {
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refreshLatest();
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refreshHistory();
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}, []);
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return (
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<div className="lotto-functions">
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{error ? (
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<div className="lotto-alert">
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<div>
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<p className="lotto-alert__title">오류</p>
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<p className="lotto-alert__message">{error}</p>
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</div>
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<button className="button ghost small" onClick={() => setError('')}>
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닫기
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</button>
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</div>
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) : null}
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<div className="lotto-grid">
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<section className="lotto-panel">
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<div className="lotto-panel__head">
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<div>
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<p className="lotto-panel__eyebrow">Latest Draw</p>
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<h3>최신 회차</h3>
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<p className="lotto-panel__sub">
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최신 회차와 번호를 빠르게 확인할 수 있습니다.
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</p>
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</div>
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<div className="lotto-panel__actions">
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{loading.latest ? <span className="lotto-chip">로딩 중</span> : null}
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<button
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className="button ghost small"
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onClick={refreshLatest}
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disabled={loading.latest}
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>
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새로고침
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</button>
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</div>
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</div>
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{latest ? (
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<>
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<div className="lotto-meta">
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<div>
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<p className="lotto-meta__title">{latest.drawNo}회</p>
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<p className="lotto-meta__date">{latest.date}</p>
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</div>
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<button
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className="button small"
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onClick={() => copyNumbers(latest.numbers)}
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>
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번호 복사
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</button>
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</div>
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<NumberRow nums={latest.numbers} />
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<p className="lotto-bonus">
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보너스 <strong>{latest.bonus}</strong>
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</p>
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</>
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) : (
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<p className="lotto-empty">최신 회차 데이터가 없습니다.</p>
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)}
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</section>
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<section className="lotto-panel">
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<div className="lotto-panel__head">
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<div>
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<p className="lotto-panel__eyebrow">Recommendation</p>
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<h3>추천 생성</h3>
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<p className="lotto-panel__sub">
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파라미터를 조정해 다른 추천 전략을 만들 수 있습니다.
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</p>
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</div>
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<div className="lotto-panel__actions">
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{loading.recommend ? <span className="lotto-chip">계산 중</span> : null}
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</div>
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</div>
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<div className="lotto-presets">
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{presets.map((preset) => (
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<button
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key={preset.name}
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className="button ghost small"
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onClick={() =>
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setParams({
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recent_window: preset.recent_window,
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recent_weight: preset.recent_weight,
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avoid_recent_k: preset.avoid_recent_k,
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})
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}
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>
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{preset.name}
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</button>
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))}
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</div>
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<div className="lotto-form">
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<label className="lotto-field">
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recent_window
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<span>최근 N회차 가중치 범위</span>
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<input
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type="number"
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min={20}
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max={1000}
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value={params.recent_window}
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onChange={(e) =>
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setParams((s) => ({
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...s,
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recent_window: Number(e.target.value),
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}))
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}
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/>
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</label>
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<label className="lotto-field">
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recent_weight
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<span>최근 회차 가중치</span>
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<input
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type="number"
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step="0.1"
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min={0.5}
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max={10}
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value={params.recent_weight}
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onChange={(e) =>
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setParams((s) => ({
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...s,
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recent_weight: Number(e.target.value),
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}))
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}
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/>
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</label>
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<label className="lotto-field">
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avoid_recent_k
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<span>최근 K회차 중복 회피</span>
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<input
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type="number"
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min={0}
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max={50}
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value={params.avoid_recent_k}
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onChange={(e) =>
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setParams((s) => ({
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...s,
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avoid_recent_k: Number(e.target.value),
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}))
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}
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/>
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</label>
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</div>
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<button
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className="button primary"
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onClick={onRecommend}
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disabled={loading.recommend}
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>
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추천 받기
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</button>
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{result ? (
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<div className="lotto-result">
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<div className="lotto-result__meta">
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<div>
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<p className="lotto-result__id">추천 ID #{result.id}</p>
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<p className="lotto-result__based">
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기준 회차 {result.based_on_latest_draw ?? '-'}
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</p>
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</div>
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<button
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className="button small"
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onClick={() => copyNumbers(result.numbers)}
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>
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번호 복사
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</button>
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</div>
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<NumberRow nums={result.numbers} />
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<details className="lotto-details">
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<summary>설명 보기</summary>
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<pre>{JSON.stringify(result.explain, null, 2)}</pre>
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</details>
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</div>
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) : (
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<p className="lotto-empty">아직 추천 결과가 없습니다.</p>
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)}
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</section>
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</div>
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<section className="lotto-panel">
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<div className="lotto-panel__head">
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<div>
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<p className="lotto-panel__eyebrow">History</p>
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<h3>추천 히스토리</h3>
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<p className="lotto-panel__sub">
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최근 추천 결과를 모아서 확인할 수 있습니다.
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</p>
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</div>
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<div className="lotto-panel__actions">
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<span className="lotto-chip">{history.length}건</span>
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<button
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className="button ghost small"
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onClick={refreshHistory}
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disabled={loading.history}
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>
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새로고침
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</button>
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</div>
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</div>
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{loading.history ? <p className="lotto-empty">불러오는 중...</p> : null}
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{history.length === 0 ? (
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<p className="lotto-empty">저장된 히스토리가 없습니다.</p>
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) : (
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<div className="lotto-history">
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{history.map((item) => (
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<div key={item.id} className="lotto-history__item">
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<div className="lotto-history__meta">
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<p>#{item.id}</p>
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<p>{fmtKST(item.created_at)}</p>
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<p>기준 회차 {item.based_on_draw ?? '-'}</p>
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</div>
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<div className="lotto-history__body">
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<NumberRow nums={item.numbers} />
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<p className="lotto-history__params">
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window={item.params?.recent_window}, weight=
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{item.params?.recent_weight}, avoid_k=
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{item.params?.avoid_recent_k}
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</p>
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</div>
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<div className="lotto-history__actions">
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<button
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className="button ghost small"
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onClick={() => copyNumbers(item.numbers)}
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>
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복사
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</button>
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<button
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className="button danger small"
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onClick={() => onDelete(item.id)}
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>
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삭제
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</button>
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</div>
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</div>
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))}
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</div>
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)}
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</section>
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<footer className="lotto-foot">
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backend: FastAPI / nginx proxy / DB: sqlite
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</footer>
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</div>
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);
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}
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