import test from 'brittle'
import { readFile } from 'node:fs/promises'
import { dirname, join } from 'node:path'
import { fileURLToPath } from 'node:url'

import { attachBareOsTuiSdk } from '../../bare-os-booter/lib/services/bare-os-tui-sdk.js'

const __dirname = dirname(fileURLToPath(import.meta.url))

async function load() {
  const parts = await Promise.all([
    readFile(join(__dirname, '../lib/summon/summon-url.js'), 'utf8'),
    readFile(join(__dirname, '../lib/summon/summon-cookie.js'), 'utf8'),
    readFile(join(__dirname, '../lib/summon/summon-http.js'), 'utf8'),
    readFile(join(__dirname, '../lib/summon/summon-html.js'), 'utf8'),
    readFile(join(__dirname, '../lib/summon/summon-css.js'), 'utf8'),
    readFile(join(__dirname, '../lib/summon/summon-layout.js'), 'utf8'),
    readFile(join(__dirname, '../lib/summon/summon-form.js'), 'utf8'),
    readFile(join(__dirname, '../lib/summon/summon-dom.js'), 'utf8'),
    readFile(join(__dirname, '../lib/summon/summon-js.js'), 'utf8'),
    readFile(join(__dirname, '../lib/summon/summon-session.js'), 'utf8'),
    readFile(join(__dirname, '../lib/summon/summon-tui.js'), 'utf8')
  ])
  const hook = {}
  new Function(
    'exports',
    parts.join('\n') +
      `
exports.bareSummonCreateSession = bareSummonCreateSession;
exports.bareSummonCurrent = bareSummonCurrent;
exports.bareSummonAboutBody = bareSummonAboutBody;
exports.bareSummonApplyDocument = bareSummonApplyDocument;
exports.bareSummonCreateTuiApp = bareSummonCreateTuiApp;
`
  )(hook)
  return hook
}

function makeStream(isTTY) {
  return {
    isTTY: !!isTTY,
    columns: 80,
    rows: 24,
    write() {},
    setRawMode() {},
    resume() {},
    pause() {},
    on() {},
    removeListener() {}
  }
}

function makeCtx() {
  const ctx = {
    env: { HOME: '/home/guest' },
    console: { error() {}, log() {} },
    replStdin: makeStream(true),
    replStdout: makeStream(true),
    suspendReplForSubprocess() {},
    resumeReplAfterSubprocess() {}
  }
  attachBareOsTuiSdk(ctx)
  return ctx
}

test('summon TUI paints a fixed-height frame', async (t) => {
  const h = await load()
  const ctx = makeCtx()
  const session = h.bareSummonCreateSession(ctx, { url: 'about:summon' })
  h.bareSummonApplyDocument(
    session,
    h.bareSummonCurrent(session),
    h.bareSummonAboutBody('summon', session),
    'about:summon'
  )
  const app = h.bareSummonCreateTuiApp(ctx, session)
  app.width = 80
  app.height = 24
  app._sync()
  const view = ctx.tui.style.stripAnsi(app.view())
  t.is(view.split('\n').length, 24)
  t.ok(view.toLowerCase().includes('summon'))
  t.ok(view.includes('about:summon'))
})

test('summon TUI help overlay', async (t) => {
  const h = await load()
  const ctx = makeCtx()
  const session = h.bareSummonCreateSession(ctx, { url: 'about:summon' })
  const app = h.bareSummonCreateTuiApp(ctx, session)
  app.update(ctx.tui.decode('?')[0])
  t.ok(app.help)
  const ov = app.overlay({ width: 80, height: 24 })
  t.ok(ov && ctx.tui.style.stripAnsi(ov.text).includes('text web browser'))
})

test('kernel summon bin includes TEA factory after build', async (t) => {
  const bin = await readFile(
    join(__dirname, '../../../kernel/bin/summon'),
    'utf8'
  )
  t.ok(bin.includes('bareSummonCreateTuiApp'))
  t.ok(bin.includes('ctx.tui.run'))
  t.ok(bin.includes('about:summon'))
})