import assert from 'node:assert/strict'
import { spawn } from 'node:child_process'

const port = 34615
const origin = `http://127.0.0.1:${port}`
const fetchWithTimeout = (url, timeout = 5_000) => fetch(url, {
  signal: AbortSignal.timeout(timeout),
})
const server = spawn(process.execPath, ['.output/server/index.mjs'], {
  cwd: import.meta.dirname,
  env: {
    ...process.env,
    HOST: '127.0.0.1',
    PORT: String(port),
  },
  stdio: 'inherit',
})

async function waitForServer() {
  for (let attempt = 0; attempt < 50; attempt++) {
    if (server.exitCode !== null) {
      throw new Error(`Nuxt 5 server exited with code ${server.exitCode}`)
    }
    const response = await fetchWithTimeout(origin, 1_000).catch(() => null)
    if (response?.ok) return
    await new Promise(resolve => setTimeout(resolve, 100))
  }
  throw new Error('Nuxt 5 server did not start')
}

try {
  await waitForServer()

  const page = await fetchWithTimeout(origin)
  assert.equal(page.status, 200)
  const pageHtml = await page.text()
  assert.match(pageHtml, /class="iconify i-ph:acorn-bold"/)
  assert.match(pageHtml, /data:image\/svg\+xml/)

  const bundled = await fetchWithTimeout(`${origin}/api/_nuxt_icon/ph.json?icons=acorn-bold`)
  assert.equal(bundled.status, 200)
  const bundledData = await bundled.json()
  assert.equal(bundledData.prefix, 'ph')
  assert.ok(bundledData.icons['acorn-bold'])

  const remote = await fetchWithTimeout(`${origin}/api/_nuxt_icon/remote.json?icons=remote`)
  assert.equal(remote.status, 200)
  const remoteData = await remote.json()
  assert.equal(remoteData.prefix, 'remote')
  assert.ok(remoteData.icons.remote)
}
finally {
  server.kill()
  if (server.exitCode === null) {
    await new Promise(resolve => server.once('exit', resolve))
  }
}