class Pettanr
  # Foo.class -> Pettanr[@constructor.name]

  @is_blank: (str) ->
    !str?.trim()
  
  @is_a_string: (str) ->
    if (str instanceof String) or (typeof str == "string")
      true
    else
      false
  
  @is_number: (str) ->
    if typeof(str) != 'number' && typeof(str) != 'string'
      return false
    else
      n = if typeof(str) == 'string'
        parseInt(str)
      else
        str
      isFinite(n)
  
  @to_s: (str) ->
    if @is_a_string(str)
      str
    else
      ''
  
  class Pettanr.AppHelper
    @manifest: () ->
      Manifest.manifest
    
    @full_url: (filename) ->
      request.protocol + request.host_with_port + filename
    
    @t_m: (label) ->
      l = label.split('.')
      if l.length > 2
        label
      else
        if l.length == 1
          I18n.t('activerecord.models.' + Pettanr[label].item_name())
        else
          Pettanr.AppHelper.t_a(Pettanr[l.first].item_name(), l.last)
    
    @t_a: (item_name, attr_name) ->
      I18n.t('activerecord.attributes.' + item_name + '.' + attr_name)
      
    @t_select_items: (items) ->
      _.map items, (i) ->
        [t(i[0]), i[1]]
    
    @t_selected_item: (name, index) ->
      I18n.t(Manifest.manifest().system_resources.select_items[name][index][0])
    
    class Pettanr.AppHelperImg extends Backbone.View
      tagName: 'img'
      
      initialize: (options) ->
        @src = options.src
        @size = options.size
      
      render: () ->
        this.$el.attr('src', @src)
        this.$el.attr('width', @size)
        this.$el.attr('height', @size)
        this
    
    @image_tag: (src, opt = {}) ->
      size = if opt['size']
        parseInt(opt['size'])
      else
        35
      i = new Pettanr.AppHelperImg({src: src, size: size})
      i.render().el.outerHTML
    
    class Pettanr.AppHelperIcon extends Backbone.View
      tagName: 'img'
      
      initialize: (options) ->
        @name = options.name
        @opt = options.opt
        title = if @opt['object']
          name + ' ID:' + @opt['object'].get(id).toString()
        else
          name
        size = if @opt['size']
          parseInt(@opt['size'])
        else
          35
      
      render: () ->
        this.$el.attr('src', '/images/' + Pettanr.underscore(@name) + '.gif')
        this.$el.attr('width', @size)
        this.$el.attr('height', @size)
        this
    
    @icon_tag: (name, opt = {}) ->
      title = if opt['object']
        name + ' ID:' + opt['object'].get(id).toString()
      else
        name
      size = if opt['size']
        parseInt(opt['size'])
      else
        35
      "<img src=\"" + '/images/' + Pettanr.underscore(name) + '.gif' + "\" width=" + size.toString() + " height=" + size.toString() + " alt=\"" + name + ' Icon' + "title=\"" + title + ">"
    
    @distance_of_time_in_words_to_now: (datetime) ->
      datetime
  
  class Pettanr.CounterModel extends Backbone.Model
    initialize: (attr, options) ->
      @url = options['url']
    
  class Pettanr.FilerCollection extends Backbone.Collection
    
    initialize: (models, options) ->
      params = options['params']
      i = if params['id']
        params['id'] + '/'
      else
        ''
      a = if params['action'] != 'index'
        params['action']
      else
        ''
      
      @page = params['page']
      @page_size = params['page_size']
      q = []
      q.push('page=' + Pettanr.to_s(@page)) if @page
      q.push('page_size=' + Pettanr.to_s(@page_size)) if @page_size
      qry = if q.length > 0
        '?' + q.join('&')
      else
        ''
      @url = '/' + params['controller'] + '/' + i + a + qry
      @total = new Pettanr.CounterModel({}, {url: '/' + params['controller'] + '/' + i + 'count_' + a})
      @model = options['model']
  
  class Pettanr.AppController
    constructor: () ->
      @params = {}
      
    set_model: () ->
      @my_controller = Manifest.manifest().controllers[@params['controller']]
      @my_action = @my_controller.actions[@params['action']]
      @my_model = Manifest.manifest().models[@my_controller.item_name]
      @my_model_class = @my_model.classify()
      
    set_list: () ->
      @set_model()
      @my_list_model = Manifest.manifest().models[@my_action.item_name]
      @my_list_model_class = @my_list_model.classify()
      @list = new Pettanr.FilerCollection({}, {model: @my_list_model_class, params: @params})
    
    filer_list: () ->
      @set_list()
      f = new Locmare.Filer({
        el: "#pettanr",
        item_name: @my_list_model_class.item_name(), 
        items: [], 
        list_result: @list, 
        pager_type: 'default', 
        operators: window.operators
      })
  
  class Pettanr.FilerRender
    constructor: (item_name, list_result, pager_type, operators) ->
      @item_name = item_name
      @list_result = list_result
      @pager_type = pager_type
      @operators = operators
      _this = this
      @list_result.fetch({}).done () ->
        _this.render()
    
    render: () ->
      items = @list_result.models
      f = new Locmare.Filer({
        item_name: @item_name, 
        items: items, 
        list_result: @list_result, 
        pager_type: @pager_type, 
        operators: @operators
      })
      $("#pettanr").html(f.render().el)

  #>> https://gist.github.com/davidjbeveridge/3813724
  @xeach: (arr, func, index=0) ->
    if index < arr.length then [ func(arr[index], index), @xeach(arr, func, index + 1)... ] else []
  
  @camelize: (input) ->
    pieces = input.split(/[\W_-]/)
    @xeach(pieces, @capitalize).join("")
  
  @capitalize: (input) ->
    input.charAt(0).toUpperCase() + input.slice(1)
  
  @lowercase: (input) ->
    input.toLowerCase()
   
  @underscore: (input) ->
    pieces = input.replace(/([A-Z])/g, '_$1').split(/[\W_-]/).filter (n) -> !!n
    @xeach(pieces, @lowercase ).join("_")
  # <<
@Pettanr = Pettanr