#= require ../js/jquery-1.8.2.min.js
#= require ../js/bootstrap.min.js

g = exports ? this
g.proceed = false

$(->
  $('[data-toggle=popover]').popover()
  $('#title').focus()

  user = $('#username').val()
  $.getJSON("/#{user}.json", (data) ->
    $('#username').val(data.title)
    $('#email').val(data.logo)
    $('#profile').fadeIn()
  )

  units = ['BTC', 'mBTC', 'µBTC', 'satoshis']
  $.each(units, (i, v) ->
    $('#unit').append("<option value='#{v}'>#{v}</option>")
  )

  $('#title').blur(->
    if $(this).val() == '' and $('#logo').val() == ''
      $(this).parent().addClass('has-error')
    else
        $(this).parent().removeClass('has-error')
  )

  $('#bip32').blur(->
    try
      new BIP32($(this).val())
      $(this).parent().removeClass('has-error')
    catch
      $(this).parent().addClass('has-error')
  )

  $('#generate').click(->
    rng = new SecureRandom()
    bytes = new Array(256)
    rng.nextBytes(bytes)

    hasher = new jsSHA(bytes.toString(), 'TEXT')   
    rng.nextBytes(bytes)

    I = hasher.getHMAC(bytes.toString(), "TEXT", "SHA-512", "HEX")
    il = Crypto.util.hexToBytes(I.slice(0, 64))
    ir = Crypto.util.hexToBytes(I.slice(64, 128))

    key = new BIP32()
    key.eckey = new Bitcoin.ECKey(il)
    key.eckey.pub = key.eckey.getPubPoint()
    key.eckey.setCompressed(true)
    key.eckey.pubKeyHash = Bitcoin.Util.sha256ripe160(key.eckey.pub.getEncoded(true))
    key.has_private_key = true

    key.chain_code = ir
    key.child_index = 0
    key.parent_fingerprint = Bitcoin.Util.hexToBytes("00000000")
    key.version = BITCOIN_MAINNET_PRIVATE
    key.depth = 0

    key.build_extended_public_key()
    key.build_extended_private_key()

    g.pubkey = key.extended_public_key_string()
    g.privkey = key.extended_private_key_string()

    $('#modal').modal()
    $('#privkey').html(g.privkey)
    $('#qr').html('')
    new QRCode('qr', text: g.privkey, width: 260, height: 260)
  )

  $('#encryption-password').keyup((e) ->
    return if e.keyCode is 9 or e.keyCode is 16
    enc_privkey = CryptoJS.AES.encrypt(g.privkey, $(this).val()).toString()
    enc_privkey = g.privkey if $(this).val() == ''
    $('#privkey').html(enc_privkey)
    $('#qr').html('')
    new QRCode('qr', text: enc_privkey, width: 260, height: 260)

    if $(this).val()
      $('#status').html('(Encrypted)')
    else
      $('#status').html('(Unencrypted Plaintext)')
  )

  $('#confirm').blur(->
    $('#confirm_error').remove() 
    if $('#password').val() != $('#confirm').val()
      $('#password, #confirm').parent().addClass('has-error')
      $('#confirm').parent().after('<div id="confirm_error" class="alert alert-danger">Passwords don\'t match</div>')
    else
      $('#password, #confirm').parent().removeClass('has-error')
  )

  $('#encryption-password, #encryption-confirm').keyup((e) -> check_passwords(e) unless e.keyCode is 9)
  $('#encryption-password, #encryption-confirm').blur((e) -> check_passwords(e))

  check_passwords = (e) ->
    if $('#encryption-password').val() != $('#encryption-confirm').val() or $('#encryption-password').val() is ''
      $('#encryption-password, #encryption-confirm').parent().addClass('has-error')
      $('#modal .alert').removeClass('alert-success').addClass('alert-danger')
    else
      $('#encryption-password, #encryption-confirm').parent().removeClass('has-error')
      $('#modal .alert').removeClass('alert-danger').addClass('alert-success')

  $('#print').click(->
    $('#key-dialog').printElement(printMode: 'popup')
  )

  $('a[data-toggle="tab"]').on('shown.bs.tab', (e) ->
    $('#encryption-password').focus()
    switch e.target.attributes.href.value
      when '#step1'
        $('.modal-footer button:first').hide()
        $('.modal-footer button:last').html('Next').off().on('click', -> $('a[data-toggle="tab"]:eq(1)').click())
      when '#step2'
        $('.modal-footer button:first').show().html('Back').off().on('click', -> $('a[data-toggle="tab"]:eq(0)').click())
        $('.modal-footer button:last').html('Next').off().on('click', -> $('a[data-toggle="tab"]:eq(2)').click())
      when '#step3'
        $('.modal-footer button:first').show().html('Back').off().on('click', -> $('a[data-toggle="tab"]:eq(1)').click())
        $('.modal-footer button:last').html('Got it!').off().on('click', -> 
          $('#modal .form-control').blur()
          if $('#modal .has-error').length > 0
            $('a[data-toggle="tab"]:eq(1)').click()
            $('#modal .has-error').effect('shake', 500)
          else
            g.update_pub_key = true
            $('#modal').modal('hide')
        )
  )

  $('.modal-footer button:last').on('click', -> $('a[data-toggle="tab"]:eq(1)').click())
  $('#modal').on('shown.bs.modal', -> 
    g.update_pub_key = false
    $('#encryption-password, #encryption-confirm').val('').blur()
    if $('.tab-pane:eq(2)').hasClass('active')
      $('a[data-toggle="tab"]:eq(1)').click()
  ).on('hidden.bs.modal', ->
    $('#bip32').val(g.pubkey) if g.update_pub_key
  )

  $('#setup').submit(->
    $('#setup .form-control').blur()
    if $('#setup .has-error').length > 0
      $('#setup .has-error').effect('shake', 500)
      return false
  )
)