root = exports ? this
root.Qrammer =
 alert: (msg) ->
   alert(msg)
 confirm: (callback, content) ->
    content ||= 'Are you sure?'
    wrapper = $('<div class="modal"></div>')
    callback_wrapper = ->
      wrapper.modal('hide')
      callback()
    header = $('<div class="modal-header"></div>')
      .append('<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>')
      .append('<h3>Confirm</h3>').appendTo(wrapper)
    body = $('<div class="modal-body"></div>').append('<p>'+content+'</p>').appendTo(wrapper)
    footer = $('<div class="modal-footer"></div>')
      .append($('<a href="#" class="btn">Close</a>').click(-> wrapper.modal('hide')))
      .append($('<a href="#" class="btn btn-primary">Yes</a>').click(callback_wrapper))
      .appendTo(wrapper)
    wrapper.modal()
  currency: (num) ->
    num = 0.0 if isNaN(num) || num == '' || num == null
    '&euro; ' + parseFloat(num).toFixed(2)
  add_product: (product) ->
    window.active_list = {} unless window.active_list
    window.active_list[product._id] = {product: product, number: 0} unless window.active_list[product._id]
    window.active_list[product._id].number += 1
    Qrammer.build_product_list()
  build_product_list: ->
    wrapper = $('<div class="modal"></div>')
    callback_wrapper = ->
      wrapper.modal('hide')
      callback()
    header = $('<div class="modal-header"></div>')
      .append('<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>')
      .append('<h3>Product list</h3>').appendTo(wrapper)

    body = $('<div class="modal-body"></div>')
    table = $('<table class="table"></table>').appendTo(body)
    tbody = $('<tbody></tbody>').appendTo(table)
    for product_id, info of window.active_list
      row = $('<tr></tr>').appendTo(tbody)
      row.append('<td>'+info.product.name+'</td>')
      row.append('<td>'+info.number+'</td>')
      row.append('<td>'+Qrammer.currency(info.product.price * info.number)+'</td>')
    
    body.appendTo(wrapper)

    footer = $('<div class="modal-footer"></div>')
      .append($('<a href="#" class="btn">Close</a>').click(-> wrapper.modal('hide')))
      .append($('<a href="#" class="btn btn-primary">Yes</a>').click(callback_wrapper))
      .appendTo(wrapper)
    wrapper.modal()