import Ember from 'ember'
import layout from '../templates/components/pagination-progress'

export default Ember.Component.extend
  tagName: 'span'
  layout: layout
  progressText: Ember.computed 'content.page', 'content.content.length', 'content.perPage', 'content.total_count', ->
    per_page = @get('content.perPage') || 10
    current_page = @get('content.page') || 1
    records_displayed = @get('content.content.length') || 0
    total_count = @get('content.meta.total_count') || 0

    from_item = (current_page - 1) * per_page + 1
    to_item = Math.min(from_item + records_displayed - 1, total_count)
    from_item = 0 unless total_count
    "#{from_item} - #{to_item} / #{total_count}"