const RegisterPage = {
  captcha: null,

  async render() {
    try { this.captcha = await API.get('/captcha'); } catch { this.captcha = null; }
    return `
      <div class="pub-card wide">
        <div class="logo"><i class="fas fa-user-plus"></i><h2>创建账号</h2><p>加入MC举报系统</p></div>
        <form id="reg-form">
          <div class="grid-2">
            <div class="form-group"><label>站点用户�?*</label><input id="ru" required placeholder="登录�?></div>
            <div class="form-group"><label>邮箱 *</label><input type="email" id="re" required placeholder="接收通知"></div>
          </div>
          <div class="grid-2">
            <div class="form-group"><label>游戏名称 *</label><input id="rgn" required placeholder="Minecraft ID"></div>
            <div class="form-group"><label>游戏UID *</label><input id="rgu" required placeholder="游戏唯一ID"></div>
          </div>
          <div class="form-group"><label>密码 *</label><input type="password" id="rp" required placeholder="至少6�?></div>
          ${this.captcha ? `
          <div class="form-group"><label>验证�?/label>
            <div style="display:flex;align-items:center;gap:10px">
              <div id="captcha-img" style="flex-shrink:0;border:1px solid var(--g200);border-radius:var(--r);overflow:hidden;cursor:pointer" onclick="RegisterPage.refreshCaptcha()" title="点击刷新">${this.captcha.svg}</div>
              <input type="text" id="captcha-a" placeholder="输入图片字符" required style="max-width:100px">
              <input type="hidden" id="captcha-id" value="${this.captcha.id}">
            </div>
            <div class="help">点击图片刷新验证�?/div>
          </div>` : ''}
          <div id="regerr" class="alert alert-e hidden"></div>
          <div id="regok" class="alert alert-s hidden"></div>
          <button type="submit" class="btn btn-p btn-lg w-full"><i class="fas fa-user-plus"></i> 注册</button>
        </form>
        <div style="margin-top:14px;text-align:center;font-size:13px">
          <a href="#/login" style="color:var(--p);text-decoration:none;font-weight:600">已有账号？登�?/a>
          <span style="color:var(--g4);margin:0 10px">|</span>
          <a href="#/home" style="color:var(--g5);text-decoration:none">匿名提交</a>
        </div>
      </div>`;
  },

  async refreshCaptcha() {
    try {
      const c = await API.get('/captcha');
      document.getElementById('captcha-img').innerHTML = c.svg;
      document.getElementById('captcha-id').value = c.id;
      document.getElementById('captcha-a').value = '';
    } catch {}
  },

  mount() {
    document.getElementById('reg-form').addEventListener('submit', async e => {
      e.preventDefault();
      const btn = e.target.querySelector('button');
      const err = document.getElementById('regerr');
      const ok = document.getElementById('regok');
      err.classList.add('hidden');
      ok.classList.add('hidden');
      btn.disabled = true;
      btn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> 注册�?..';

      try {
        await Auth.register({
          username: document.getElementById('ru').value.trim(),
          password: document.getElementById('rp').value,
          email: document.getElementById('re').value.trim(),
          game_name: document.getElementById('rgn').value.trim(),
          game_uid: document.getElementById('rgu').value.trim(),
          captcha_id: document.getElementById('captcha-id')?.value,
          captcha_answer: document.getElementById('captcha-a')?.value.trim(),
        });
        ok.textContent = '注册成功！请查收验证邮件（如SMTP未配置则自动激活）';
        ok.classList.remove('hidden');
        btn.innerHTML = '<i class="fas fa-user-plus"></i> 注册';
        btn.disabled = false;
        setTimeout(() => location.hash = '#/login', 3000);
      } catch (ex) {
        err.textContent = ex.message;
        err.classList.remove('hidden');
        btn.disabled = false;
        btn.innerHTML = '<i class="fas fa-user-plus"></i> 注册';
      }
    });
  }
};