// k8s-event-utils — K8s Event 字段归一化与展示 // Logan.Li
import { elapsedSeconds, formatDuration, formatK8sTime } from './k8s-yaml-utils';
import type { JsonData } from '@/types/common';
import i18n from '@/i18n';

export interface NormalizedEvent {
  name: string;
  namespace: string;
  type: string;
  reason: string;
  message: string;
  object: string;
  objectKind: string;
  objectName: string;
  source: string;
  count: number;
  firstTime: string;
  lastTime: string;
  eventTime: string;
}

/** 后端/API 原始事件 → 统一结构 // Logan.Li */
export function normalizeK8sEvent(raw: JsonData): NormalizedEvent {
  const objectKind = raw.object_kind || raw.objectKind || '';
  const objectName = raw.object_name || raw.objectName || '';
  const object = raw.object
    || (objectKind && objectName ? `${objectKind}/${objectName}` : '')
    || '';
  const firstTime = raw.first_time || raw.firstTime || raw.first_timestamp || raw.firstTimestamp || '';
  const lastTime = raw.last_time || raw.lastTime || raw.last_timestamp || raw.lastTimestamp || '';
  const eventTime = raw.event_time || raw.eventTime || '';
  const count = Number(raw.count) > 0 ? Number(raw.count) : 1;
  const source = raw.source
    || raw.source_component
    || raw.sourceComponent
    || (raw.source?.component
      ? `${raw.source.component}${raw.source.host ? `@${raw.source.host}` : ''}`
      : '')
    || '-';

  return {
    name: raw.name || '',
    namespace: raw.namespace || '',
    type: raw.type || 'Normal',
    reason: raw.reason || '-',
    message: raw.message || '-',
    object: object || '-',
    objectKind,
    objectName,
    source: source || '-',
    count,
    firstTime: firstTime || eventTime,
    lastTime: lastTime || eventTime,
    eventTime,
  };
}

export function formatEventRelative(ts: string): string {
  if (!ts) return '';
  const diff = Date.now() - new Date(ts).getTime();
  if (diff < 0) return '';
  const mins = Math.floor(diff / 60000);
  if (mins < 1) return i18n.t('task.cronJob.time.justNow');
  if (mins < 60) return `${mins}分钟前`;
  const hrs = Math.floor(mins / 60);
  if (hrs < 24) return `${hrs}小时前`;
  return `${Math.floor(hrs / 24)}天前`;
}

/** 重复跨度：首次 → 最后 // Logan.Li */
export function formatEventRepeatSpan(first: string, last: string, count: number): string {
  if (count <= 1) return '-';
  const span = formatDuration(elapsedSeconds(first, last));
  return span === '-' ? `×${count}` : `${span} · ×${count}`;
}

export function formatEventTimeCell(ts: string): { absolute: string; relative: string } {
  return { absolute: formatK8sTime(ts), relative: formatEventRelative(ts) };
}