// @ts-nocheck
// Brent Shambaugh <brent.shambaugh@gmail.com>. 2021.

import * as varint from 'varint'
// import { base58btc } from 'multiformats/bases/base58'
import * as mapper from '../drivers/secp256r1'
import * as u8a from 'uint8arrays'
import { base58btc } from 'multiformats/bases/base58'

describe('Secp256r1 mapper', () => {
  it('successfully resolves the document from did:key from raw public key', async () => {
    const id = 'zruuPojWkzGPb8sVc42f2YxcTXKUTpAUbdrzVovaTBmGGNyK6cGFaA4Kp7SSLKecrxYz8Sc9d77Rss7rayYt1oFCaNJ'

    const multiformatPubKey = base58btc.decode(id)
    varint.decode(multiformatPubKey) // decode is changing param multiformatPubKey as well
    const pubKeyBytes = multiformatPubKey.slice(varint.decode.bytes)
    const doc = await mapper.keyToDidDoc(pubKeyBytes, id)
    expect(doc).toMatchSnapshot()
  })

  it('successfully resolves the document from did:key from raw public key #2', async () => {
    const id = 'zrusAFgBbf84b8mBz8Cmy8UoFWKV52EaeRnK86vnLo4Z5QoRypE6hXVPN2urevZMAMtcTaCDFLWBaE1Q3jmdb1FHgve'

    const multiformatPubKey = base58btc.decode(id)
    varint.decode(multiformatPubKey) // decode is changing param multiformatPubKey as well
    const pubKeyBytes = multiformatPubKey.slice(varint.decode.bytes)
    const doc = await mapper.keyToDidDoc(pubKeyBytes, id)
    expect(doc).toMatchSnapshot()
  })

  it('successfully resolves the document from did:key from raw public key #3', async () => {
    const id = 'zrurwcJZss4ruepVNu1H3xmSirvNbzgBk9qrCktB6kaewXnJAhYWwtP3bxACqBpzjZdN7TyHNzzGGSSH5qvZsSDir9z'

    const multiformatPubKey = base58btc.decode(id)
    varint.decode(multiformatPubKey) // decode is changing param multiformatPubKey as well
    const pubKeyBytes = multiformatPubKey.slice(varint.decode.bytes)
    const doc = await mapper.keyToDidDoc(pubKeyBytes, id)
    expect(doc).toMatchSnapshot()
  })

  it('successfully resolves the document from did:key from compressed public key', async () => {
    const id = 'zDnaeUKTWUXc1HDpGfKbEK31nKLN19yX5aunFd7VK1CUMeyJu'

    const multiformatPubKey = base58btc.decode(id)
    varint.decode(multiformatPubKey) // decode is changing param multiformatPubKey as well
    const pubKeyBytes = multiformatPubKey.slice(varint.decode.bytes)
    const doc = await mapper.keyToDidDoc(pubKeyBytes, id)
    expect(doc).toMatchSnapshot()
  })

  it('successfully resolves the document from did:key from compressed public key #2', async () => {
    const id = 'zDnaerx9CtbPJ1q36T5Ln5wYt3MQYeGRG5ehnPAmxcf5mDZpv'

    const multiformatPubKey = base58btc.decode(id)
    varint.decode(multiformatPubKey) // decode is changing param multiformatPubKey as well
    const pubKeyBytes = multiformatPubKey.slice(varint.decode.bytes)
    const doc = await mapper.keyToDidDoc(pubKeyBytes, id)
    expect(doc).toMatchSnapshot()
  })

  it('successfully resolves the document from did:key from compressed public key #3', async () => {
    const id = 'zDnaerDaTF5BXEavCrfRZEk316dpbLsfPDZ3WJ5hRTPFU2169'

    const multiformatPubKey = base58btc.decode(id)
    varint.decode(multiformatPubKey) // decode is changing param multiformatPubKey as well
    const pubKeyBytes = multiformatPubKey.slice(varint.decode.bytes)
    const doc = await mapper.keyToDidDoc(pubKeyBytes, id)
    expect(doc).toMatchSnapshot()
  })

  it('successfully resolves the document from did:key from uncompressed public key', async () => {
    const id = 'z4oJ8emo5e6mGPCUS5wncFZXAyuVzGRyJZvoduwq7FrdZYPd1LZQbDKsp1YAMX8x14zBwy3yHMSpfecJCMDeRFUgFqYsY'

    const multiformatPubKey = base58btc.decode(id)
    varint.decode(multiformatPubKey) // decode is changing param multiformatPubKey as well
    const pubKeyBytes = multiformatPubKey.slice(varint.decode.bytes)
    const doc = await mapper.keyToDidDoc(pubKeyBytes, id)
    expect(doc).toMatchSnapshot()
  })
})

test('expect publicKeyBytesToXY to throw an error for undefined', () => {
  expect(() => {
    mapper.pubKeyBytesToXY()
  }).toThrowError('input must be a Uint8Array')
})

test('expect publicKeyBytesToXY to throw an error for null', () => {
  expect(() => {
    mapper.pubKeyBytesToXY(null)
  }).toThrowError('input must be a Uint8Array')
})

test('expect publicKeyBytesToXY to throw an error for and integer input', () => {
  expect(() => {
    mapper.pubKeyBytesToXY(5)
  }).toThrowError('input must be a Uint8Array')
})

test('test a uncompressed public key in hex to an x,y point with x, and y url encoded with an unsupported prefix', () => {
  const inputPublicKeyHex =
    '03f9c36f8964623378bdc068d4bce07ed17c8fa486f9ac0c2613ca3c8c306d7bb61cd36717b8ac5e4fea8ad23dc8d0783c2318ee4ad7a80db6e0026ad0b072a24f'
  const publicKey_u8a = pubKeyHexToUint8Array(inputPublicKeyHex)
  expect(() => {
    mapper.pubKeyBytesToXY(publicKey_u8a)
  }).toThrowError('Unexpected pubKeyBytes')
})

test('test a compressed public key in hex to an x,y point with x, and y url encoded with an unsupported prefixi: try2', () => {
  const inputPublicKeyHex = '05f9c36f8964623378bdc068d4bce07ed17c8fa486f9ac0c2613ca3c8c306d7bb6'
  const publicKey_u8a = pubKeyHexToUint8Array(inputPublicKeyHex)
  expect(() => {
    mapper.pubKeyBytesToXY(publicKey_u8a)
  }).toThrowError('Unexpected pubKeyBytes')
})

test('test a compressed public key in hex to an x,y point with x, and y url encoded with an unsupported prefixi: try3', () => {
  const inputPublicKeyHex = '04f9c36f8964623378bdc068d4bce07ed17c8fa486f9ac0c2613ca3c8c306d7bb6'
  const publicKey_u8a = pubKeyHexToUint8Array(inputPublicKeyHex)
  expect(() => {
    mapper.pubKeyBytesToXY(publicKey_u8a)
  }).toThrowError('Unexpected pubKeyBytes')
})

test('test a compressed public key in hex to an x,y point with x, and y url encoded with an unsupported prefix', () => {
  const inputPublicKeyHex = '04f9c36f8964623378bdc068d4bce07ed17c8fa486f9ac0c2613ca3c8c306d7bb6'
  const publicKey_u8a = pubKeyHexToUint8Array(inputPublicKeyHex)
  expect(() => {
    mapper.pubKeyBytesToXY(publicKey_u8a)
  }).toThrowError('Unexpected pubKeyBytes')
})

test('test a compressed public key in hex to an x,y point with x, and y url encoded with an unexpected length', () => {
  const inputPublicKeyHex = '0239c3dd74131729446dc1b3da67d49fc046fcbf072fcc5b9fa51c05b974307f9642'
  const publicKey_u8a = pubKeyHexToUint8Array(inputPublicKeyHex)
  expect(() => {
    mapper.pubKeyBytesToXY(publicKey_u8a)
  }).toThrowError('Unexpected pubKeyBytes')
})

test('test a hex string longer than 65 bytes', () => {
  const inputPublicKeyHex =
    '0704f9c36f8964623378bdc068d4bce07ed17c8fa486f9ac0c2613ca3c8c306d7bb61cd36717b8ac5e4fea8ad23dc8d0783c2318ee4ad7a80db6e0026ad0b072a24f'
  const publicKey_u8a = pubKeyHexToUint8Array(inputPublicKeyHex)
  expect(() => {
    mapper.pubKeyBytesToXY(publicKey_u8a)
  }).toThrowError('Unexpected pubKeyBytes')
})

test('test a hex string longer than 65 bytes: try2', () => {
  const inputPublicKeyHex =
    '04f9c36f8964623378bdc068d4bce07ed17c8fa486f9ac0c2613ca3c8c306d7bb61cd36717b8ac5e4fea8ad23dc8d0783c2318ee4ad7a80db6e0026ad0b072a24f07'
  const publicKey_u8a = pubKeyHexToUint8Array(inputPublicKeyHex)
  expect(() => {
    mapper.pubKeyBytesToXY(publicKey_u8a)
  }).toThrowError('Unexpected pubKeyBytes')
})

test('test a compressed public key in hex to an x,y point with x, and y url encoded', () => {
  const inputPublicKeyHex = '03f9c36f8964623378bdc068d4bce07ed17c8fa486f9ac0c2613ca3c8c306d7bb6'
  const output = {
    xm: '-cNviWRiM3i9wGjUvOB-0XyPpIb5rAwmE8o8jDBte7Y',
    ym: 'HNNnF7isXk_qitI9yNB4PCMY7krXqA224AJq0LByok8',
  }
  const publicKey_u8a = pubKeyHexToUint8Array(inputPublicKeyHex)
  const pubKeyBytesToXY = mapper.pubKeyBytesToXY(publicKey_u8a)
  expect(pubKeyBytesToXY).toEqual(output)
})

test('test a uncompressed public key in hex to an x,y point with x, and y url encoded', () => {
  const inputPublicKeyHex =
    '04f9c36f8964623378bdc068d4bce07ed17c8fa486f9ac0c2613ca3c8c306d7bb61cd36717b8ac5e4fea8ad23dc8d0783c2318ee4ad7a80db6e0026ad0b072a24f'
  const output = {
    xm: '-cNviWRiM3i9wGjUvOB-0XyPpIb5rAwmE8o8jDBte7Y',
    ym: 'HNNnF7isXk_qitI9yNB4PCMY7krXqA224AJq0LByok8',
  }
  const publicKey_u8a = pubKeyHexToUint8Array(inputPublicKeyHex)
  const pubKeyBytesToXY = mapper.pubKeyBytesToXY(publicKey_u8a)
  expect(pubKeyBytesToXY).toEqual(output)
})

test('test a raw public key in hex to an x,y point with x, and y url encoded', () => {
  const inputPublicKeyHex =
    'f9c36f8964623378bdc068d4bce07ed17c8fa486f9ac0c2613ca3c8c306d7bb61cd36717b8ac5e4fea8ad23dc8d0783c2318ee4ad7a80db6e0026ad0b072a24f'
  const output = {
    xm: '-cNviWRiM3i9wGjUvOB-0XyPpIb5rAwmE8o8jDBte7Y',
    ym: 'HNNnF7isXk_qitI9yNB4PCMY7krXqA224AJq0LByok8',
  }
  const publicKey_u8a = pubKeyHexToUint8Array(inputPublicKeyHex)
  const pubKeyBytesToXY = mapper.pubKeyBytesToXY(publicKey_u8a)
  expect(pubKeyBytesToXY).toEqual(output)
})

//**** end of tests

// Function for test. Eliminate this when key-did-resolver is written.

function pubKeyHexToUint8Array(publicKeyHex: string) {
  if (!publicKeyHex) {
    throw new TypeError('input cannot be null or undefined.')
  }
  if (publicKeyHex.length % 2 == 0) {
    return u8a.fromString(publicKeyHex, 'base16')
  } else {
    return u8a.fromString('0' + publicKeyHex, 'base16')
  }
}