class ApprovalsController < <%= options[:base] %>
  before_filter :setup_conditions, :only => [<%= collection_actions.join(', ') %>]
  before_filter :setup_partial, :only => [<%= collection_actions.join(', ') %>]
  before_filter :find_approval, :only => [<%= member_actions.join(', ') %>]

  def index
    state = params[:state] =~ /^-?\d+$/ ? params[:state].to_i : Approval.enumerate_state('pending')
    @conditions[:state] = state if state > -1

    @approvals = Approval.all(:conditions => @conditions, :order => 'created_at ASC')
  end

  def history
    @conditions[:state] = Approval.enumerate_states('approved', 'rejected')

    @approvals = Approval.all(:conditions => @conditions, :order => 'created_at DESC')
    render :index
  end

<% if owner? %>  def mine
    @conditions[:owner_id] = current_user.id

    @approvals = Approval.all(:conditions => @conditions, :order => 'created_at ASC')
    render :index
  end

  def assign
    json_wrapper do
      if params[:approval][:owner_id].empty?
        @approval.unassign
      else
        user = <%= options[:owner] %>.find(params[:approval][:owner_id])
        @approval.assign(user)
      end
    end
  end

<% end %>  def approve
    json_wrapper do
<% if owner? %>      @approval.owner = current_user if respond_to?(:current_user)
<% end %>      @approval.approve!
    end
  end

  def reject
    json_wrapper do
<% if owner? %>      @approval.owner = current_user if respond_to?(:current_user)
<% end %>      @approval.reject!(params[:reason])
    end
  end

  private
  def json_wrapper
    json = {:success => false}

    begin
      json[:success] = yield
    rescue ActsAsApprovable::Error => e
      json[:message] = e.message
    rescue
      json[:message] = 'An unknown error occured'
    end

    render :json => json
  end

  def setup_conditions
    @conditions ||= {}

<% if owner? %>    if params[:owner_id]
      @conditions[:owner_id] = params[:owner_id]
      @conditions[:owner_id] = nil if params[:owner_id] == 0
    end
<% end %>    if params[:item_type]
      @conditions[:item_type] = params[:item_type]
    end
  end

  # Check for the selected models partial, use the generic one if it doesn't exist
  def setup_partial
    @table_partial = @conditions.fetch(:item_type) { 'table' }

    if @table_partial != 'table'
      partial_path = Rails.root.join('app', 'views', 'approvals', "_#{@table_partial}.html.#{view_language}")
      @table_partial = 'table' unless File.exist?(partial_path)
    end
  end

  def find_approval
    @approval = Approval.find(params[:id])
  end

  def view_language
    ActsAsApprovable.view_language
  end
end