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#= require jquery-1.8.2.min.js
#= require jquery-ui-1.9.0.custom.min.js
#= require moment.min.js

g = exports ? this

$(->
  from = moment().subtract('days', 7)
  to = moment()

  $('#from').html(from.format("MMMM Do, YYYY"))
  $('#to').html(to.format("MMMM Do, YYYY"))

  $('#from_date').val(from.format("MM/DD/YYYY"))
  $('#to_date').val(to.format("MM/DD/YYYY"))

  $('#from_date').datepicker(onClose: filterDates)
  $('#to_date').datepicker(onClose: filterDates)

  $('#from').click(-> $('#from_date').datepicker('show'))
  $('#to').click(-> $('#to_date').datepicker('show'))

  $.getJSON('transactions.json', (data) ->
    g.transactions = data.transactions
    display(g.transactions)
    filterDates()
  )
)

filterDates = ->
  $('#from').html(moment($('#from_date').datepicker('getDate')).format("MMMM Do, YYYY")) 
  $('#to').html(moment($('#to_date').datepicker('getDate')).format("MMMM Do, YYYY"))

  transactions = $.grep(g.transactions, (e, i) ->
    return false unless e

    from = moment($('#from_date').val(), "MM/DD/YYYY")
    to = moment($('#to_date').val(), "MM/DD/YYYY")

    d = moment(e.date)
    amount = parseFloat(e.exchange) * parseFloat(e.received)

    !isNaN(parseFloat(amount)) && isFinite(amount) &&
      (!from? || d.diff(from) >= 0) && (!to? || d.diff(to) <= 0) 
  )

  display(transactions)   

display = (transactions) ->
  $('.alert').remove()
  $('.report tbody tr').remove()
  $('.report').show()

  if transactions.length is 0
    $('.report').before("<p class='alert alert-warning'>No transactions were found for the specified time period</p>")
    $('.report').hide()

  $.each(transactions, ->
    exchange = parseFloat(this.exchange)
    received = parseFloat(this.received)
    amount = received * exchange
    received *= 1000

    $('.report tbody').append("""
      <tr>
        <td>#{this.date}</td>
        <td>#{this.address}</td>
        <td>#{exchange.toFixed(2)}</td>
        <td>#{received.toFixed(5)}</td>
        <td>#{amount.toFixed(2)}</td>
      </tr>
    """)
  )

  btc = 0
  $('table.report td:nth-child(4)').each(->
    btc += parseFloat($(this).html())
  )
  $('#btc').html(btc.toFixed(5))

  cad = 0
  $('table.report td:nth-child(5)').each(->
    cad += parseFloat($(this).html())
  )
  $('#cad').html(cad.toFixed(2))