/**
 * pi SDK 集成冒烟测试（与 src/main/pi/agent-service.ts 相同的调用路径）
 * 用法：node scripts/smoke.mjs
 * 验证点：会话创建、事件订阅、prompt 在无凭据时的报错传播。
 */
import { createAgentSession } from '@earendil-works/pi-coding-agent'
import { homedir } from 'node:os'

const events = []
let settled = false

console.log('[smoke] creating session (cwd=%s)...', homedir())
const { session } = await createAgentSession({ cwd: homedir() })
console.log('[smoke] session created: id=%s model=%s/%s', session.sessionId, session.model?.provider ?? '-', session.model?.id ?? '-')

session.subscribe((event) => {
  events.push(event.type)
  if (event.type === 'message_update' && event.assistantMessageEvent?.type?.endsWith('_delta')) {
    const d = event.assistantMessageEvent.delta ?? ''
    process.stdout.write(d)
  }
})

try {
  await session.prompt('回复"链路正常"两个字即可，不要调用任何工具。')
  console.log('\n[smoke] prompt resolved; event sequence:', [...new Set(events)].join(' -> '))
  const last = session.getLastAssistantText()
  console.log('[smoke] last assistant text:', last ? JSON.stringify(last.slice(0, 120)) : '(none)')
  settled = true
} catch (err) {
  console.log('\n[smoke] prompt rejected as expected (no credentials):', err instanceof Error ? err.message : err)
}

const stats = session.getSessionStats()
console.log('[smoke] stats:', JSON.stringify({ messages: session.messages.length, cost: stats.cost }))
console.log('[smoke] active tools:', session.getActiveToolNames().join(', '))
session.dispose()
console.log('[smoke] done, settled=%s', String(settled))
process.exit(0)