/**
 * 接口冒烟测试：对着真的服务和真的内核，把每类响应走一遍。
 *
 * 重点在认证和边界——这两块出错的后果比功能不好用严重得多：令牌校验写歪了等于没有认证，
 * 透传白名单漏了等于把内核的全部接口暴露出去。
 *
 * 前置条件：
 *   1. 本地测试内核在跑（见 .env.example）
 *   2. Patchbay 在跑：bun run server/index.ts
 *
 * 用法：bun run scripts/api-smoke.ts [令牌]
 * 不给令牌就从配置文件旁边的 .patchbay-token 读。
 */
import { readFile } from 'node:fs/promises'
import { dirname, join } from 'node:path'
import { readEnv } from '../server/env.ts'
import type { ConfigObject } from '../vendor/config-editor/index.ts'

const env = readEnv()
const base = `http://${env.host}:${String(env.port)}`
const token =
  process.argv[2] ??
  (await readFile(join(dirname(env.configPath), '.patchbay-token'), 'utf8')).trim()

let failures = 0
function check(name: string, actual: unknown, expected: unknown) {
  if (JSON.stringify(actual) === JSON.stringify(expected)) {
    console.log(`✓ ${name}`)
  } else {
    failures += 1
    console.log(`✗ ${name}\n    期望 ${JSON.stringify(expected)}，实际 ${JSON.stringify(actual)}`)
  }
}

async function call(method: string, path: string, body?: unknown, auth = true) {
  const res = await fetch(base + path, {
    method,
    headers: {
      ...(auth ? { Authorization: `Bearer ${token}` } : {}),
      'Content-Type': 'application/json',
    },
    body: body === undefined ? undefined : JSON.stringify(body),
  })
  const text = await res.text()
  return { status: res.status, body: text ? (JSON.parse(text) as Record<string, unknown>) : null }
}

const clone = (v: unknown) => JSON.parse(JSON.stringify(v)) as ConfigObject

// ── 认证与边界 ──────────────────────────────────────────
check('没带令牌被拒', (await call('GET', '/api/config', undefined, false)).status, 401)
check(
  '令牌不对被拒',
  (await fetch(`${base}/api/config`, { headers: { Authorization: 'Bearer wrong' } })).status,
  401,
)
check('白名单外的透传被拒', (await call('GET', '/api/kernel/configs/geo')).status, 403)
check('不存在的接口', (await call('GET', '/api/nope')).status, 404)
check('非 api 路径', (await call('GET', '/index.html')).status, 404)

// ── 配置读写 ────────────────────────────────────────────
const snapshot = await call('GET', '/api/config')
check('读配置', snapshot.status, 200)
const data = snapshot.body!.data as ConfigObject
const revision = snapshot.body!.revision as string

const stale = clone(data)
stale.mode = 'global'
check(
  '基准过时被拒',
  (await call('PUT', '/api/config', { data: stale, baseRevision: '过时的指纹' })).status,
  409,
)

const dangling = clone(data)
dangling.listeners = [{ name: '冒烟-断引用', type: 'mixed', port: 17899, proxy: '不存在的出站' }]
const danglingResult = await call('PUT', '/api/config', { data: dangling, baseRevision: revision })
check('断引用被自己的检查拦下', danglingResult.status, 422)
check('拦在 self-check 这一步', danglingResult.body?.stage, 'self-check')

const badType = clone(data)
badType.listeners = [{ name: '冒烟-怪类型', type: '不是合法类型', port: 17898 }]
const badTypeResult = await call('PUT', '/api/config', { data: badType, baseRevision: revision })
check('非法类型被内核拦下', badTypeResult.status, 422)
check('拦在 kernel-check 这一步', badTypeResult.body?.stage, 'kernel-check')

const good = clone(data)
good.listeners = [{ name: '冒烟-正常', type: 'mixed', port: 17896, proxy: 'PROXY' }]
const goodResult = await call('PUT', '/api/config', { data: good, baseRevision: revision })
check('正常写入', goodResult.status, 200)
check('内核已重载', goodResult.body?.reloaded, true)

// ── 其余 ────────────────────────────────────────────────
check('备份列表可读', (await call('GET', '/api/config/backups')).status, 200)
check('内核状态可读', (await call('GET', '/api/kernel')).body?.online, true)
check('内核透传可用', (await call('GET', '/api/kernel/version')).status, 200)
check(
  '字段表可读',
  Object.keys(((await call('GET', '/api/meta/listener-fields')).body?.types ?? {}) as object).length,
  20,
)

console.log(failures === 0 ? '\n全部通过' : `\n${String(failures)} 项没通过`)
process.exit(failures === 0 ? 0 : 1)