/** 工作台桥接服务客户端：所有数据经由 gyxx-workbench 宿主插件的本机回环桥接。 */

export function bridgeBase() {
  if (typeof window !== 'undefined') {
    if (window.__GYXX_WB_BRIDGE__) return window.__GYXX_WB_BRIDGE__
    try {
      const saved = window.localStorage?.getItem('gyxx.wb.bridge')
      if (saved) return saved
    } catch {
      // localStorage 不可用时使用默认值
    }
  }
  return 'http://127.0.0.1:8790'
}

async function request(method, path, body) {
  const response = await fetch(`${bridgeBase()}${path}`, {
    method,
    headers: {
      accept: 'application/json',
      ...(body !== undefined
        ? { 'content-type': 'application/json', 'x-gyxx-workbench': '1' }
        : {}),
    },
    body: body === undefined ? undefined : JSON.stringify(body),
  })
  let payload
  try {
    payload = await response.json()
  } catch {
    payload = { ok: false, error: `桥接服务返回了非 JSON 内容（HTTP ${response.status}）` }
  }
  if (!response.ok) {
    throw new Error(payload?.error ?? `桥接服务错误（HTTP ${response.status}）`)
  }
  return payload
}

export const api = {
  listWorkflows: () => request('GET', '/bridge/workflows'),
  workflowDetail: (workflowId) =>
    request('GET', `/bridge/workflows/${encodeURIComponent(workflowId)}`),
  workflowRuns: (workflowId, limit = 6) =>
    request('GET', `/bridge/workflows/${encodeURIComponent(workflowId)}/runs?limit=${limit}`),
  diagnosis: (workflowId, runId) =>
    request(
      'GET',
      `/bridge/workflows/${encodeURIComponent(workflowId)}/diagnosis${runId ? `?run_id=${encodeURIComponent(runId)}` : ''}`,
    ),
  alerts: () => request('GET', '/bridge/alerts'),
  markAlertSeen: (id) => request('POST', '/bridge/alerts/seen', { id }),
  trigger: (payload) => request('POST', '/bridge/trigger', payload),
  cancel: (payload) => request('POST', '/bridge/cancel', payload),
  ask: (payload) => request('POST', '/bridge/ask', payload),
}