import { scopeAlertHealth, summaryStatus } from '/assets/js/overview-health.js';
import { state } from '/assets/js/state.js';
import { esc, pluginText as text } from '/assets/js/shared.js';

const metricValue = metric => {
  if (metric.unit === 'percent') return `${metric.value}%`;
  if (metric.unit === 'count') return `${metric.value} ${text('个', 'items')}`;
  const values = {
    service_ready: [text('未就绪', 'Not ready'), text('就绪', 'Ready')],
    device_online: [text('离线', 'Offline'), text('在线', 'Online')],
    job_enabled: [text('停用', 'Disabled'), text('启用', 'Enabled')],
    last_run_success: [text('失败或待确认', 'Failed or unconfirmed'), text('成功', 'Succeeded')],
  };
  return values[metric.key]?.[metric.value] ?? String(metric.value);
};

export function hostCard(entry) {
  const snapshot = entry.snapshot || {};
  const resources = snapshot.resources || [];
  const current = entry.dataCurrent === true;
  const label = item => item.label?.[state.LANG] || item.key || item.id;
  const name = id => resources.find(r => r.id === id)?.name || id;
  const alertRows = (snapshot.alerts || []).map(alert => {
    const separator = alert.id.indexOf(':');
    const kind = alert.id.split(':')[0];
    const resource = separator < 0 ? '' : `${kind.startsWith('JOB_') ? 'job' : 'device'}:${alert.id.slice(separator + 1)}`;
    return `<div class="row"><span>${esc(label(alert))}</span><span>${esc(resource ? name(resource) : '')}</span></div>`;
  }).join('');
  const metrics = snapshot.metrics || [];
  const value = (resource, key) => metrics.find(m => m.resource_id === resource.id && m.key === key)?.value;
  const card = (title, content, status = '') => `<div class="metric"><div style="display:flex;justify-content:space-between;align-items:baseline;gap:12px"><div class="muted">${esc(title)}</div>${status}</div><div class="value">${esc(content)}</div></div>`;
  const status = (semantic, title) => `<span class="semantic-status" data-semantic="${semantic}">${esc(title)}</span>`;
  const cards = resources.flatMap(resource => {
    if (resource.type === 'job') {
      const enabled = value(resource, 'job_enabled') === 1;
      const result = value(resource, 'last_run_success');
      const unknown = (snapshot.alerts || []).some(a => a.id === `JOB_UNKNOWN:${resource.id.slice(4)}`);
      const kind = !current || unknown || result === undefined ? 'unknown' : result === 1 ? 'normal' : 'error';
      const stateLabel = kind === 'normal' ? text('正常', 'Normal') : kind === 'error' ? text('失败', 'Failed') : text('待确认', 'Unconfirmed');
      const title = /轮播/.test(resource.name || '') ? text('轮播任务', 'Slideshow task') : resource.name || text('任务', 'Job');
      return [card(title, `${resource.name || text('任务', 'Job')} · ${enabled ? text('启用', 'Enabled') : text('停用', 'Disabled')}`, status(kind, stateLabel))];
    }
    return metrics.filter(m => m.resource_id === resource.id).map(metric => {
      const title = label(metric);
      return card(title, metricValue(metric));
    });
  }).join('');
  const frames = resources.filter(resource => resource.type === 'device');
  return `<article class="panel host-panel"><div class="host-head"><div><div class="host-title"><h2>${esc(entry.host.name || 'Frame Flow')}</h2></div><div class="device-details">${frames.map(frame => `<span>${esc(frame.name || text('画框', 'Frame'))}</span>`).join('')}</div></div><span class="badge semantic-status" data-semantic="${current ? 'online' : 'unknown'}">${current ? text('在线', 'Online') : text('状态未确认', 'Unconfirmed')}</span></div>${!current ? `<p class="muted">${text('以下为上次采集数据', 'Showing the last collected data')}</p>` : ''}<div class="host-grid">${cards}</div><details class="group" data-overview-details="alerts"><summary class="smart-summary"><strong class="smart-summary-title">${text('已读取范围内的告警', 'Alerts within monitored scope')}</strong>${summaryStatus(scopeAlertHealth(snapshot.alerts, snapshot.alerts_complete, current), state.LANG)}</summary><div style="margin-top:12px">${alertRows || (current && snapshot.alerts_complete ? text('无告警', 'No alerts') : text('状态未确认', 'Unconfirmed'))}</div></details></article>`;
}