/* webtest-agent 前端逻辑 */
const $ = s => document.querySelector(s);
const API = '';

async function refreshHealth() {
  try {
    const r = await fetch(API + '/health');
    const d = await r.json();
    $('#health').textContent = `服务正常 | 模型: ${d.llm_model} | 运行中任务: ${d.concurrent}`;
    $('#health').classList.add('ok');
  } catch (e) {
    $('#health').textContent = '服务异常';
    $('#health').classList.remove('ok');
  }
}

const STATUS_MAP = {
  queued: '排队中', running: '测试中', finished: '已完成', stopped: '已停止'
};
const RESULT_MAP = {
  pending: '待定', pass: '✅ 通过', fail: '❌ 失败', error: '⚠️ 错误', stopped: '⏹️ 停止'
};

function esc(s) {
  return String(s ?? '').replace(/[&<>"']/g, c => (
    {'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;',"'":'&#39;'}[c]));
}

async function loadTasks() {
  try {
    const r = await fetch(API + '/api/tasks');
    const d = await r.json();
    const tb = $('#task-table tbody');
    if (!d.tasks.length) {
      tb.innerHTML = '<tr><td colspan="8" class="empty">暂无任务，先发起一个吧</td></tr>';
      return;
    }
    tb.innerHTML = d.tasks.map(t => {
      const ops = t.status === 'running' || t.status === 'queued'
        ? `<button class="btn small" onclick="stopTask('${t.id}')">停止</button> `
        : '';
      const report = t.status === 'finished'
        ? `<a class="report-link" href="#" onclick="openReport('${t.id}');return false;">查看报告</a>`
        : '—';
      return `<tr>
        <td>${esc(t.id)}</td>
        <td>${esc(t.url)}</td>
        <td><div class="goal-cell" title="${esc(t.goal)}">${esc(t.goal)}</div></td>
        <td><span class="status ${esc(t.status)}">${STATUS_MAP[t.status] || esc(t.status)}</span></td>
        <td><span class="result ${esc(t.result)}">${RESULT_MAP[t.result] || esc(t.result)}</span></td>
        <td>${t.steps || 0}</td>
        <td>${esc(t.created)}</td>
        <td>${ops}${report}</td>
      </tr>`;
    }).join('');
  } catch (e) {
    $('#task-table tbody').innerHTML = '<tr><td colspan="8" class="empty">加载失败</td></tr>';
  }
}

async function stopTask(tid) {
  if (!confirm('确定停止该任务？')) return;
  await fetch(API + `/api/tasks/${tid}/stop`, { method: 'POST' });
  setTimeout(loadTasks, 500);
}

function openReport(tid) {
  $('#report-frame').src = API + `/api/tasks/${tid}/report`;
  $('#modal-title').textContent = `测试报告 - ${tid}`;
  $('#report-modal').classList.remove('hidden');
}

$('#modal-close').onclick = () => $('#report-modal').classList.add('hidden');
$('#report-modal').onclick = e => { if (e.target === $('#report-modal')) $('#report-modal').classList.add('hidden'); };

$('#submit').onclick = async () => {
  const url = $('#url').value.trim();
  const goal = $('#goal').value.trim();
  if (!url || !goal) { alert('请填写网址和测试目标'); return; }
  const btn = $('#submit');
  btn.disabled = true; btn.textContent = '提交中...';
  try {
    const r = await fetch(API + '/api/tasks', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({
        url, goal,
        max_steps: parseInt($('#max_steps').value) || 30,
        timeout: parseInt($('#timeout').value) || 600
      })
    });
    const d = await r.json();
    if (d.error) { alert('提交失败: ' + d.error); }
    else {
      $('#goal').value = '';
      loadTasks();
      // 轮询直到该任务结束
      pollTask(d.task_id);
    }
  } catch (e) { alert('提交失败: ' + e); }
  finally { btn.disabled = false; btn.textContent = '🚀 开始测试'; }
};

function pollTask(tid, count = 0) {
  if (count > 400) return;
  setTimeout(async () => {
    try {
      const r = await fetch(API + `/api/tasks/${tid}`);
      const t = await r.json();
      loadTasks();
      if (t.status === 'finished' || t.status === 'stopped') return;
      pollTask(tid, count + 1);
    } catch (e) { /* ignore */ }
  }, 3000);
}

$('#refresh').onclick = loadTasks;

refreshHealth();
loadTasks();
setInterval(refreshHealth, 30000);
setInterval(loadTasks, 5000);