(function () {
  'use strict';

  const { Store, esc, chips } = App;
  const nameInput = document.getElementById('name');
  const nameError = document.getElementById('name-error');
  const listEl = document.getElementById('list');
  const countEl = document.getElementById('count');
  const footerEl = document.getElementById('list-footer');

  Fluid.navBar(document.getElementById('nav'), document.getElementById('large-title'));

  nameInput.value = Store.name;
  nameInput.addEventListener('input', () => {
    Store.name = nameInput.value.trim();
    nameInput.classList.remove('invalid');
    nameError.textContent = '';
  });

  function requireName() {
    if (Store.name) return true;
    nameInput.classList.add('invalid');
    nameError.textContent = '先に名前を入力してください。';
    nameInput.focus();
    return false;
  }

  let admin = false;
  let tables = null;

  // 管理者だけにハンドレンジ学習・CPU戦のレビューへのリンクとテーブルの削除（左へスワイプ）を出す
  // （ページ・API 自体もサーバ側で管理者以外は 404）
  App.api('GET', '/api/me')
    .then((me) => {
      admin = Boolean(me.admin);
      document.getElementById('admin-group').hidden = !admin;
      if (tables) render(tables);
    })
    .catch(() => {});

  document.getElementById('create').addEventListener('click', () => {
    if (requireName()) location.href = '/create';
  });

  listEl.addEventListener('click', (e) => {
    const del = e.target.closest('[data-delete]');
    if (del) return deleteTable(del.dataset.delete, del);
    const btn = e.target.closest('[data-join]');
    if (btn && requireName()) location.href = '/table/' + encodeURIComponent(btn.dataset.join);
  });

  async function deleteTable(id, btn) {
    const t = tables && tables.find((x) => x.id === id);
    if (!t) return;
    const players = t.playerCount ? `
着席中の ${t.playerCount} 人はテーブルから退出させられます。` : '';
    const ok = await App.confirm({
      title: 'テーブルを削除',
      message: `「${t.name}」を削除しますか？${players}`,
      ok: '削除する',
      danger: true,
    });
    const row = btn.closest('.swipe-row');
    if (!ok || !document.contains(btn)) {
      if (row && row.swipe) row.swipe.close();
      return;
    }
    btn.disabled = true;
    App.api('DELETE', '/api/tables/' + encodeURIComponent(id))
      .then(() => App.toast('テーブルを削除しました'))
      .catch((err) => {
        btn.disabled = false;
        if (row && row.swipe) row.swipe.close();
        App.toast(err.message);
      });
  }

  const ICON = {
    chips:
      '<svg class="i" viewBox="0 0 24 24" aria-hidden="true"><ellipse cx="12" cy="7" rx="7" ry="3"/><path d="M5 7v5c0 1.7 3.1 3 7 3s7-1.3 7-3V7"/><path d="M5 12v5c0 1.7 3.1 3 7 3s7-1.3 7-3v-5"/></svg>',
    cards:
      '<svg class="i" viewBox="0 0 24 24" aria-hidden="true"><path d="M9.5 5.2l-3.9.7a2 2 0 0 0-1.6 2.3l1.8 10a2 2 0 0 0 2.3 1.6l1.4-.3"/><rect x="10.5" y="3.5" width="10" height="15" rx="2"/></svg>',
    cpu:
      '<svg class="i" viewBox="0 0 24 24" aria-hidden="true"><rect x="6" y="6" width="12" height="12" rx="2.5"/><rect x="9.5" y="9.5" width="5" height="5" rx="1"/><path d="M9 3v3M15 3v3M9 18v3M15 18v3M3 9h3M3 15h3M18 9h3M18 15h3"/></svg>',
    review:
      '<svg class="i" viewBox="0 0 24 24" aria-hidden="true"><path d="M14 3H7.5A2.5 2.5 0 0 0 5 5.5v13A2.5 2.5 0 0 0 7.5 21h9a2.5 2.5 0 0 0 2.5-2.5V8z"/><path d="M14 3v5h5M9 13h6M9 17h4"/></svg>',
    person: '<svg class="i" viewBox="0 0 24 24" aria-hidden="true"><circle cx="12" cy="8" r="4"/><path d="M4.5 20a7.5 7.5 0 0 1 15 0"/></svg>',
    clock: '<svg class="i" viewBox="0 0 24 24" aria-hidden="true"><circle cx="12" cy="12" r="8.5"/><path d="M12 7.5V12l3 2"/></svg>',
    trash:
      '<svg class="i" viewBox="0 0 24 24" aria-hidden="true"><path d="M4.5 7h15M9.5 7V4.5h5V7"/><path d="M6.5 7l1 12a2 2 0 0 0 2 1.8h5a2 2 0 0 0 2-1.8l1-12M10.5 11v6M13.5 11v6"/></svg>',
  };

  const MODE = {
    chips: { label: 'キャッシュオンリー', icon: 'chips', tone: 'green' },
    friends: { label: '友人戦', icon: 'cards', tone: 'blue' },
    cpu: { label: 'CPU戦', icon: 'cpu', tone: 'indigo' },
    review: { label: 'レビュー付きCPU戦', icon: 'review', tone: 'orange' },
  };

  function statusHtml(t) {
    if (t.paused) return '<span class="status paused">一時停止中</span>';
    if (t.phase === 'WAITING') return '<span class="status waiting">待機中</span>';
    return '<span class="status live">プレイ中</span>';
  }

  function rowHtml(t) {
    const m = MODE[t.mode] || MODE.chips;
    const full = t.playerCount >= t.maxSeats;
    const timer = t.timerEnabled ? `${t.intervalMin}分` : 'なし';
    return `
      <span class="cell-icon tone-${m.tone}">${ICON[m.icon]}</span>
      <span class="table-row-main">
        <span class="name">${esc(t.name)}</span>
        <span class="table-row-meta">${statusHtml(t)}<span>${m.label}</span></span>
        <span class="table-row-meta">
          <span class="meta-item">${ICON.person}${t.playerCount}/${t.maxSeats}</span>
          <span>Lv.${t.level} ${chips(t.smallBlind)}/${chips(t.bigBlind)}</span>
          <span>開始 ${chips(t.startingStack)}</span>
          <span class="meta-item">${ICON.clock}${timer}</span>
        </span>
      </span>
      <button type="button" class="btn-get" data-join="${esc(t.id)}" ${full ? 'title="満席（観戦のみ）"' : ''}>${full ? '観戦' : '参加'}</button>`;
  }

  // ---------- 左へスワイプして削除（管理者） ----------
  // 行は指に 1:1 で付いてきて、削除ボタンの幅を越えるとゴムのように抵抗する。
  // 離したときは速度から止まる位置を先読みし、半分を越えていれば開いたまま止める
  const ACTION_WIDTH = 88;
  let openRow = null;

  function attachSwipe(row) {
    const content = row.querySelector('.table-row');
    const action = row.querySelector('.swipe-action');
    const x = new Fluid.Spring(0, { precision: 0.2 });
    const tracker = new Fluid.VelocityTracker();
    let drag = null;
    let suppressClick = false;

    x.onUpdate = (v) => {
      content.style.transform = v ? `translate3d(${v.toFixed(2)}px, 0, 0)` : '';
      row.style.setProperty('--reveal', Fluid.clamp(-v / ACTION_WIDTH, 0, 1).toFixed(3));
    };
    const settle = (open, velocity) => {
      x.to(open ? -ACTION_WIDTH : 0, { damping: velocity ? 0.8 : 1, response: 0.3, velocity });
      if (open) openRow = row;
      else if (openRow === row) openRow = null;
    };
    row.swipe = { close: () => settle(false) };

    content.addEventListener('pointerdown', (e) => {
      if (!admin || (e.pointerType === 'mouse' && e.button !== 0)) return;
      drag = { id: e.pointerId, x: e.clientX, y: e.clientY, origin: 0, active: false };
      tracker.reset();
      tracker.add(e.clientX, e.clientY, e.timeStamp);
    });
    content.addEventListener('pointermove', (e) => {
      if (!drag || e.pointerId !== drag.id) return;
      tracker.add(e.clientX, e.clientY, e.timeStamp);
      if (!drag.active) {
        const dx = e.clientX - drag.x;
        const dy = e.clientY - drag.y;
        if (Math.hypot(dx, dy) < 10) return;
        // 縦の動きはページのスクロールに任せる
        if (Math.abs(dy) > Math.abs(dx)) {
          drag = null;
          return;
        }
        drag.active = true;
        drag.x = e.clientX;
        x.stop();
        drag.origin = x.value;
        content.setPointerCapture(e.pointerId);
        if (openRow && openRow !== row) openRow.swipe.close();
      }
      let raw = drag.origin + (e.clientX - drag.x);
      if (raw > 0) raw = Fluid.rubberband(raw, row.offsetWidth);
      else if (raw < -ACTION_WIDTH) raw = -ACTION_WIDTH - Fluid.rubberband(-ACTION_WIDTH - raw, row.offsetWidth);
      x.set(raw);
    });
    const end = (e) => {
      if (!drag || e.pointerId !== drag.id) return;
      const wasActive = drag.active;
      drag = null;
      if (!wasActive) return;
      suppressClick = true;
      setTimeout(() => {
        suppressClick = false;
      }, 0);
      tracker.add(e.clientX, e.clientY, e.timeStamp);
      const v = tracker.velocity().x;
      settle(x.value + Fluid.project(v) < -ACTION_WIDTH / 2, v);
    };
    content.addEventListener('pointerup', end);
    content.addEventListener('pointercancel', end);
    content.addEventListener(
      'click',
      (e) => {
        // スワイプの後のクリックや、開いている行のタップ（参加ボタン以外）は「閉じる」だけにする
        const tapOnOpenRow = openRow === row && !e.target.closest('[data-join]');
        if (!suppressClick && !tapOnOpenRow) return;
        e.preventDefault();
        e.stopPropagation();
        if (!suppressClick) row.swipe.close();
      },
      true
    );
    // キーボードでは削除ボタンにフォーカスが来たら開く
    action.addEventListener('focus', () => settle(true));
    action.addEventListener('blur', () => settle(false));
  }

  document.addEventListener('pointerdown', (e) => {
    if (openRow && !openRow.contains(e.target)) openRow.swipe.close();
  });

  // ---------- 一覧（行は使い回す。スワイプの途中で作り直さない） ----------
  const rows = new Map();

  function rowEl(id) {
    let row = rows.get(id);
    if (row) return row;
    row = document.createElement('div');
    row.className = 'swipe-row';
    row.innerHTML = `<button type="button" class="swipe-action" data-delete="${esc(id)}">${ICON.trash}<span>削除</span></button><div class="table-row"></div>`;
    attachSwipe(row);
    rows.set(id, row);
    return row;
  }

  function render(list) {
    tables = list;
    countEl.textContent = tables.length ? `${tables.length} テーブル` : '';
    footerEl.hidden = !admin || !tables.length;
    if (!tables.length) {
      rows.clear();
      openRow = null;
      listEl.innerHTML = '<div class="empty">開催中のテーブルはありません。<br>テーブルを作成して友達を招待しよう。</div>';
      return;
    }
    const empty = listEl.querySelector('.empty');
    if (empty) empty.remove();
    const ids = new Set(tables.map((t) => t.id));
    for (const [id, row] of rows) {
      if (ids.has(id)) continue;
      if (openRow === row) openRow = null;
      row.remove();
      rows.delete(id);
    }
    tables.forEach((t, i) => {
      const row = rowEl(t.id);
      const html = rowHtml(t);
      const content = row.querySelector('.table-row');
      if (content.html !== html) {
        content.html = html;
        content.innerHTML = html;
      }
      const action = row.querySelector('.swipe-action');
      action.hidden = !admin;
      action.tabIndex = admin ? 0 : -1;
      if (listEl.children[i] !== row) listEl.insertBefore(row, listEl.children[i] || null);
    });
  }

  const socket = App.connectSocket();
  socket.on('connect', () => socket.emit('lobby:subscribe'));
  socket.on('lobby:tables', render);
})();