import { describe, test, expect } from 'vitest'
import { generateKeypair } from './generate-keypair.js'

describe('The generateKeypair function', () => {
  test('to generate an encryption keypair', async () => {
    const keypair = await generateKeypair()

    //
    // Public Key
    //
    expect(keypair.publicKey.algorithm).toMatchInlineSnapshot(`
      {
        "hash": {
          "name": "SHA-512",
        },
        "modulusLength": 4096,
        "name": "RSA-OAEP",
        "publicExponent": Uint8Array [
          1,
          0,
          1,
        ],
      }
    `)
    expect(keypair.publicKey.usages).toMatchInlineSnapshot(`
      [
        "encrypt",
        "wrapKey",
      ]
    `)
    expect(keypair.publicKey.type).toMatchInlineSnapshot(`"public"`)
    expect(keypair.publicKey.extractable).toBe(true)

    //
    // Private Key
    //
    expect(keypair.privateKey.algorithm).toMatchInlineSnapshot(`
      {
        "hash": {
          "name": "SHA-512",
        },
        "modulusLength": 4096,
        "name": "RSA-OAEP",
        "publicExponent": Uint8Array [
          1,
          0,
          1,
        ],
      }
    `)
    expect(keypair.privateKey.usages).toMatchInlineSnapshot(`
      [
        "decrypt",
        "unwrapKey",
      ]
    `)
    expect(keypair.privateKey.type).toMatchInlineSnapshot(`"private"`)

    // The private key is extractable as well as otherwise we wouldn't be able to serialize it as a JWT
    expect(keypair.privateKey.extractable).toBe(true)
  })
})