/**
 * @import { test } from 'node:test'
 */
import assert from 'node:assert'
import test from 'node:test'
import { mkdir, writeFile, rm } from 'node:fs/promises'
import path from 'node:path'
import os from 'node:os'
import { logPearMultisigKernelHint } from '../lib/pear-multisig-hint.js'

test('logPearMultisigKernelHint skips when pear.multisig.json absent', async () => {
  const dir = await mkdir(path.join(os.tmpdir(), `bare-os-msig-${Date.now()}`), {
    recursive: true
  })
  try {
    await logPearMultisigKernelHint(dir)
  } finally {
    await rm(dir, { recursive: true, force: true })
  }
})

test('logPearMultisigKernelHint accepts minimal valid pear.multisig.json shape', async () => {
  const dir = await mkdir(path.join(os.tmpdir(), `bare-os-msig2-${Date.now()}`), {
    recursive: true
  })
  try {
    await writeFile(
      path.join(dir, 'pear.multisig.json'),
      JSON.stringify({ signers: ['a', 'b'], quorum: 2 }),
      'utf8'
    )
    await logPearMultisigKernelHint(dir)
  } finally {
    await rm(dir, { recursive: true, force: true })
  }
})

test('logPearMultisigKernelHint warns on invalid shape', async () => {
  const dir = await mkdir(path.join(os.tmpdir(), `bare-os-msig3-${Date.now()}`), {
    recursive: true
  })
  try {
    await writeFile(
      path.join(dir, 'pear.multisig.json'),
      JSON.stringify({ signers: [], quorum: 0 }),
      'utf8'
    )
    const orig = console.warn
    let saw = false
    console.warn = (...args) => {
      if (String(args[0] || '').includes('pear.multisig.json')) saw = true
    }
    try {
      await logPearMultisigKernelHint(dir)
    } finally {
      console.warn = orig
    }
    assert.ok(saw, 'expected warn for invalid multisig shape')
  } finally {
    await rm(dir, { recursive: true, force: true })
  }
})