var assert = require('assert')
var HDKey = require('../hdkey.js')

// from BIP39 mnemonic: awake book subject inch gentle blur grant damage process float month clown
var fixtureseed = new Buffer('747f302d9c916698912d5f70be53a6cf53bc495803a5523d3a7c3afa2afba94ec3803f838b3e1929ab5481f9da35441372283690fdcf27372c38f40ba134fe03', 'hex')
var fixturehd = HDKey.fromMasterSeed(fixtureseed)

describe('.fromMasterSeed()', function () {
  it('should work', function () {
    assert.doesNotThrow(function () {
      HDKey.fromMasterSeed(fixtureseed)
    })
  })
})

describe('.privateExtendedKey()', function () {
  it('should work', function () {
    assert.equal(fixturehd.privateExtendedKey(), 'xprv9s21ZrQH143K4KqQx9Zrf1eN8EaPQVFxM2Ast8mdHn7GKiDWzNEyNdduJhWXToy8MpkGcKjxeFWd8oBSvsz4PCYamxR7TX49pSpp3bmHVAY')
  })
})

describe('.publicExtendedKey()', function () {
  it('should work', function () {
    assert.equal(fixturehd.publicExtendedKey(), 'xpub661MyMwAqRbcGout4B6s29b6gGQsowyoiF6UgXBEr7eFCWYfXuZDvRxP9zEh1Kwq3TLqDQMbkbaRpSnoC28oWvjLeshoQz1StZ9YHM1EpcJ')
  })
})

describe('.fromExtendedKey()', function () {
  it('should work with public', function () {
    var hdnode = HDKey.fromExtendedKey('xpub661MyMwAqRbcGout4B6s29b6gGQsowyoiF6UgXBEr7eFCWYfXuZDvRxP9zEh1Kwq3TLqDQMbkbaRpSnoC28oWvjLeshoQz1StZ9YHM1EpcJ')
    assert.equal(hdnode.publicExtendedKey(), 'xpub661MyMwAqRbcGout4B6s29b6gGQsowyoiF6UgXBEr7eFCWYfXuZDvRxP9zEh1Kwq3TLqDQMbkbaRpSnoC28oWvjLeshoQz1StZ9YHM1EpcJ')
    assert.throws(function () {
      hdnode.privateExtendedKey()
    }, /^Error: Private key is not available$/)
  })
  it('should work with private', function () {
    var hdnode = HDKey.fromExtendedKey('xprv9s21ZrQH143K4KqQx9Zrf1eN8EaPQVFxM2Ast8mdHn7GKiDWzNEyNdduJhWXToy8MpkGcKjxeFWd8oBSvsz4PCYamxR7TX49pSpp3bmHVAY')
    assert.equal(hdnode.publicExtendedKey(), 'xpub661MyMwAqRbcGout4B6s29b6gGQsowyoiF6UgXBEr7eFCWYfXuZDvRxP9zEh1Kwq3TLqDQMbkbaRpSnoC28oWvjLeshoQz1StZ9YHM1EpcJ')
    assert.equal(hdnode.privateExtendedKey(), 'xprv9s21ZrQH143K4KqQx9Zrf1eN8EaPQVFxM2Ast8mdHn7GKiDWzNEyNdduJhWXToy8MpkGcKjxeFWd8oBSvsz4PCYamxR7TX49pSpp3bmHVAY')
  })
})

describe('.deriveChild()', function () {
  it('should work', function () {
    var hdnode = fixturehd.deriveChild(1)
    assert.equal(hdnode.privateExtendedKey(), 'xprv9vYSvrg3eR5FaKbQE4Ao2vHdyvfFL27aWMyH6X818mKWMsqqQZAN6HmRqYDGDPLArzaqbLExRsxFwtx2B2X2QKkC9uoKsiBNi22tLPKZHNS')
  })
})

describe('.derivePath()', function () {
  it('should work with m', function () {
    var hdnode = fixturehd.derivePath('m')
    assert.equal(hdnode.privateExtendedKey(), 'xprv9s21ZrQH143K4KqQx9Zrf1eN8EaPQVFxM2Ast8mdHn7GKiDWzNEyNdduJhWXToy8MpkGcKjxeFWd8oBSvsz4PCYamxR7TX49pSpp3bmHVAY')
  })
  it('should work with m/44\'/0\'/0/1', function () {
    var hdnode = fixturehd.derivePath('m/44\'/0\'/0/1')
    assert.equal(hdnode.privateExtendedKey(), 'xprvA1ErCzsuXhpB8iDTsbmgpkA2P8ggu97hMZbAXTZCdGYeaUrDhyR8fEw47BNEgLExsWCVzFYuGyeDZJLiFJ9kwBzGojQ6NB718tjVJrVBSrG')
  })
})

describe('.getWallet()', function () {
  it('should work', function () {
    assert.equal(fixturehd.getWallet().getPrivateKeyString(), '0x26cc9417b89cd77c4acdbe2e3cd286070a015d8e380f9cd1244ae103b7d89d81')
    assert.equal(fixturehd.getWallet().getPublicKeyString(),
      '0x0639797f6cc72aea0f3d309730844a9e67d9f1866e55845c5f7e0ab48402973defa5cb69df462bcc6d73c31e1c663c225650e80ef14a507b203f2a12aea55bc1')
  })
  it('should work with public nodes', function () {
    var hdnode = HDKey.fromExtendedKey('xpub661MyMwAqRbcGout4B6s29b6gGQsowyoiF6UgXBEr7eFCWYfXuZDvRxP9zEh1Kwq3TLqDQMbkbaRpSnoC28oWvjLeshoQz1StZ9YHM1EpcJ')
    assert.throws(function () {
      hdnode.getWallet().getPrivateKeyString()
    }, /^Error: This is a public key only wallet$/)
    assert.equal(hdnode.getWallet().getPublicKeyString(), '0x0639797f6cc72aea0f3d309730844a9e67d9f1866e55845c5f7e0ab48402973defa5cb69df462bcc6d73c31e1c663c225650e80ef14a507b203f2a12aea55bc1')
  })
})