(function () {
  'use strict';

  const { Store, api, chips } = App;
  if (!Store.name) {
    location.replace('/');
    return;
  }

  const $ = (id) => document.getElementById(id);
  const form = $('form');
  const nameInput = $('table-name');
  const stackInput = $('stack');
  const sbInput = $('sb');
  const bbInput = $('bb');
  const timerInput = $('timer');
  const intervalInput = $('interval');
  const scheduleEl = $('schedule');
  const blindHint = $('blind-hint');
  const errorEl = $('error');
  const submitBtn = $('submit');

  // ブラインドを手で変えるまではスタックに追従させる
  let blindsTouched = false;

  async function suggestName() {
    try {
      const { name } = await api('GET', '/api/tables/suggest-name');
      nameInput.value = name;
    } catch { /* 失敗時は手入力 */ }
  }

  const int = (el) => {
    const n = Number(el.value);
    return Number.isInteger(n) ? n : NaN;
  };

  function applyDefaultBlinds() {
    const stack = int(stackInput);
    if (!(stack >= 10)) return;
    const { sb, bb } = Blinds.defaultBlinds(stack);
    sbInput.value = sb;
    bbInput.value = bb;
  }

  function updateHint() {
    const stack = int(stackInput);
    const bb = int(bbInput);
    if (blindsTouched && stack > 0 && bb > 0) {
      blindHint.innerHTML = `開始スタック = ${Math.floor(stack / bb)} BB ・ <a href="#" id="reset-blinds" class="link-gold">おすすめに戻す</a>`;
    } else {
      blindHint.textContent = 'スタックに合わせて自動設定（BB ≒ スタックの1/100）';
    }
  }

  function updateSchedule() {
    const sb = int(sbInput);
    const bb = int(bbInput);
    const on = timerInput.checked;
    intervalInput.disabled = !on;
    scheduleEl.hidden = !on || !(sb > 0 && bb >= sb);
    if (scheduleEl.hidden) return;
    const mins = int(intervalInput) > 0 ? int(intervalInput) : 0;
    scheduleEl.innerHTML = Blinds.schedule(sb, bb, 8)
      .map((l, i) => `<span>Lv.${l.level} <b>${chips(l.sb)}/${chips(l.bb)}</b>${mins ? ` · ${i * mins}分〜` : ''}</span>`)
      .join('');
  }

  function refresh() {
    updateHint();
    updateSchedule();
  }

  stackInput.addEventListener('input', () => {
    if (!blindsTouched) applyDefaultBlinds();
    refresh();
  });
  [sbInput, bbInput].forEach((el) =>
    el.addEventListener('input', () => {
      blindsTouched = true;
      if (el === sbInput && int(sbInput) > 0) bbInput.value = int(sbInput) * 2;
      refresh();
    })
  );
  blindHint.addEventListener('click', (e) => {
    if (e.target.id !== 'reset-blinds') return;
    e.preventDefault();
    blindsTouched = false;
    applyDefaultBlinds();
    refresh();
  });
  timerInput.addEventListener('change', refresh);
  intervalInput.addEventListener('input', refresh);
  $('reroll').addEventListener('click', suggestName);

  function validate() {
    const name = nameInput.value.trim();
    const stack = int(stackInput);
    const sb = int(sbInput);
    const bb = int(bbInput);
    const interval = int(intervalInput);
    if (!name) return [nameInput, 'テーブル名を入力してください'];
    if (!(stack >= 10)) return [stackInput, '開始スタックは10以上の整数にしてください'];
    if (!(sb >= 1)) return [sbInput, 'SBは1以上の整数にしてください'];
    if (!(bb >= sb)) return [bbInput, 'BBはSB以上にしてください'];
    if (bb > stack) return [bbInput, 'BBが開始スタックより大きいです'];
    if (timerInput.checked && !(interval >= 1 && interval <= 240)) return [intervalInput, 'インターバルは1〜240分にしてください'];
    return null;
  }

  form.addEventListener('submit', async (e) => {
    e.preventDefault();
    form.querySelectorAll('.invalid').forEach((el) => el.classList.remove('invalid'));
    const problem = validate();
    if (problem) {
      problem[0].classList.add('invalid');
      problem[0].focus();
      errorEl.textContent = problem[1];
      return;
    }
    errorEl.textContent = '';
    submitBtn.disabled = true;
    try {
      const { id } = await api('POST', '/api/tables', {
        name: nameInput.value.trim(),
        startingStack: int(stackInput),
        smallBlind: int(sbInput),
        bigBlind: int(bbInput),
        blindTimerEnabled: timerInput.checked,
        blindIntervalMin: int(intervalInput),
        token: Store.token,
      });
      location.href = '/table/' + encodeURIComponent(id);
    } catch (err) {
      errorEl.textContent = err.message;
      submitBtn.disabled = false;
    }
  });

  applyDefaultBlinds();
  refresh();
  suggestName();
})();