import {beforeAll, expect, test} from 'bun:test'
import {SecretBox} from '..'

let k1!: CryptoKey;
let k2!: CryptoKey;
let message!: Uint8Array;

beforeAll(async () => {
  k1 = await SecretBox.gen(false)
  k2 = await SecretBox.gen(true)
  message = new TextEncoder().encode("Salut ! ça va ?")
})

test('base case', async () => {
  const box = await SecretBox.encrypt(message, k1)
  const unboxed = await box.decrypt(k1)
  expect(unboxed).toEqual(message)
})
test("Different key can't decrypt", async () => {
  const box = await SecretBox.encrypt(message, k1)
  const unboxed = await box.decrypt(k2)
  expect(unboxed).toBeNull()
})

test('Key generation', async () => {
  expect(k1.extractable).toBeFalse()
  expect(k2.extractable).toBeTrue()
})

test('serialization', async () => {
  const message = new Uint8Array(8)
  const box = await SecretBox.encrypt(message, k1)

  const ser = box.toString()
  const de = SecretBox.fromString(ser)
  expect(de).not.toBeNull()

  expect(de).toEqual(box)
})