Ranking-school-festival/Rankingu_kai.html at main · RucioleWind8189/Ranking-school-festival · GitHub

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<!DOCTYPE html>
<html lang="ja">
  <head>
    <meta charset="UTF-8" />
    <title>Time Attack Ranking</title>

    <!-- React / Babel / Tailwind -->
    <script src="https://unpkg.com/react@18/umd/react.development.js"></script>
    <script src="https://unpkg.com/react-dom@18/umd/react-dom.development.js"></script>
    <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
    <script src="https://cdn.tailwindcss.com"></script>

    <!-- Google Font -->
    <link
      href="https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@500&display=swap"
      rel="stylesheet"
    />

    <style>
      body {
        font-family: "M PLUS Rounded 1c", sans-serif;
      }
    </style>
  </head>

  <body class="bg-gradient-to-br from-green-100 via-emerald-200 to-green-50 flex items-center justify-center min-h-screen">
    <div id="root"></div>

    <!-- ✅ app.jsの内容をここに直接貼る -->
    <script type="text/babel">
  const { useState, useRef } = React;

  function RankingApp() {
    // ✅ 全員のデータを保持する配列
    const [allRecords, setAllRecords] = useState([]);
    const [name, setName] = useState("");
    const [time, setTime] = useState("");

    const nameRef = useRef(null);
    const timeRef = useRef(null);

    const handleAdd = () => {
      if (!name || !time) return;

      // ✅ 現在時刻を追加
      const timestamp = new Date().toLocaleString("ja-JP", { hour12: false });

      const newRecord = { name, time: parseFloat(time), date: timestamp };

      // 全データを更新（消さない）
      const updatedAll = [...allRecords, newRecord];
      setAllRecords(updatedAll);

      // 入力リセット
      setName("");
      setTime("");
      nameRef.current.focus();
    };

    const handleTimeChange = (e) => {
      const value = e.target.value;
      const half = value.replace(/[０-９．]/g, (s) =>
        String.fromCharCode(s.charCodeAt(0) - 0xfee0)
      );
      setTime(half);
    };

    // ✅ 表示用（上位5名だけ）
    const records = [...allRecords].sort((a, b) => a.time - b.time).slice(0, 5);

    // ✅ CSVエクスポート（全員分）
    const exportCSV = () => {
      const sorted = [...allRecords].sort((a, b) => a.time - b.time);
      const csv =
        "順位,名前,タイム(秒),記録日時\n" +
        sorted
          .map((r, i) => `${i + 1},${r.name},${r.time.toFixed(2)},${r.date}`)
          .join("\n");
      const blob = new Blob([csv], { type: "text/csv" });
      const url = window.URL.createObjectURL(blob);
      const a = document.createElement("a");
      a.href = url;
      a.download = "ranking.csv";
      a.click();
    };

    const handleKeyDown = (e, field) => {
      if (e.key === "Enter") {
        if (field === "name") timeRef.current.focus();
        else handleAdd();
      } else if (e.key === "ArrowRight") {
        if (field === "name") timeRef.current.focus();
      } else if (e.key === "ArrowLeft") {
        if (field === "time") nameRef.current.focus();
      }
    };

    const avg = records.length
      ? (records.reduce((sum, r) => sum + r.time, 0) / records.length).toFixed(2)
      : "-";
    const best = records.length
      ? Math.min(...records.map((r) => r.time)).toFixed(2)
      : "-";

    return (
      <div
        className="flex flex-col items-center justify-center min-h-screen w-full text-green-900"
        style={{
          background: "linear-gradient(135deg, #c8f7dc 0%, #e2f9f1 100%)",
          fontFamily: "'M PLUS Rounded 1c', sans-serif",
          padding: "20px",
        }}
      >
        <div className="max-w-[1200px] min-h-[600px] bg-white/30 backdrop-blur-lg rounded-3xl shadow-2xl border border-white/20 flex flex-col justify-start items-center p-12">
          <h1 className="text-4xl font-bold mb-6">　タイムアタックランキング！　</h1>

          <ul className="w-full mb-4">
            {[0, 1, 2, 3, 4].map((i) => (
              <li
                key={i}
                className="flex justify-between border-b py-2 text-xl font-medium"
              >
                <span>{i + 1}位</span>
                <span>{records[i]?.name || "ーーー"}</span>
                <span>
                  {records[i]?.time ? records[i].time.toFixed(2) + "秒" : "ーーー"}
                </span>
              </li>
            ))}
          </ul>

          <p className="mb-4">
            最高タイム：{best}秒　平均タイム：{avg}秒
          </p>

          <div className="w-full flex flex-col gap-4 mb-6">
            <input
              ref={nameRef}
              id="nameInput"
              type="text"
              placeholder="プレイヤー名"
              value={name}
              onChange={(e) => setName(e.target.value)}
              onKeyDown={(e) => handleKeyDown(e, "name")}
              className="p-3 border rounded-lg text-lg w-full"
            />
            <input
              ref={timeRef}
              id="timeInput"
              type="text"
              placeholder="タイム（秒）"
              value={time}
              onChange={handleTimeChange}
              onKeyDown={(e) => handleKeyDown(e, "time")}
              className="p-3 border rounded-lg text-lg w-full"
            />
            <button
              onClick={handleAdd}
              className="bg-green-500 text-white rounded-lg py-2 hover:bg-green-600 transition"
            >
              登録
            </button>
          </div>

          <p>参加人数：{allRecords.length}人</p>
        </div>

        <button
          onClick={exportCSV}
          className="fixed bottom-4 right-4 text-xs bg-gray-300/50 hover:bg-gray-400/70 text-gray-800 px-3 py-1 rounded-lg shadow-md transition"
        >
          CSV保存
        </button>
      </div>
    );
  }

  const root = ReactDOM.createRoot(document.getElementById("root"));
  root.render(<RankingApp />);
</script>

  </body>
</html>