class ApplicationController < ActionController::Base
  include Localization
  include UserSystem
  include ApplicationHelper
  include ActionView::Helpers::TagHelper
  include ActionView::Helpers::JavaScriptHelper
  include ActionView::Helpers::PrototypeHelper
  include ActionView::Helpers::ScriptaculousHelper
  include UrlForFix
  
  layout :determine_layout
  helper :user
  before_filter :store_detour_from_params
  before_filter :authenticate_user
  before_filter :store_cookies_from_params
  before_filter :populate_layout
  
  def initialize
    @application_title = l :backlog
    @application_description = l :backlog_description
    @sidebar = Sidebar.new(self)
  end
  
  def self.in_place_edit_for(object, attribute, options = {})
    define_method("set_#{object}_#{attribute}") do
      @item = object.to_s.camelize.constantize.find(params[:id])
      @item.update_attribute(attribute, params[:value])
      render :text => @item.send(attribute).to_s
    end
  end
  
  def render_to_string(*args)
    super
  end
  
  private
  
  def determine_layout
    if request.accepts.find {|mt| mt == 'xml'}
      'wap'
    else
      # Firefox
      #<Mime::Type:0xb79cd374 @synonyms=["application/xhtml+xml"], @string="text/html", @symbol=:html>
      #<Mime::Type:0xb79cd1e4 @synonyms=["text/xml", "application/x-xml"], @string="application/xml", @symbol=:xml>
      #<Mime::Type:0xb746d16c @synonyms=[], @string="image/png", @symbol=nil>
      #<Mime::Type:0xb79cd3ec @synonyms=[], @string="text/plain", @symbol=:text>
      #<Mime::Type:0xb79cd43c @synonyms=[], @string="*/*", @symbol=:all>
      
      # nokia N80
      #<Mime::Type:0xb79ab374 @synonyms=["application/xhtml+xml"], @string="text/html", @symbol=:html>
      #<Mime::Type:0xb7308408 @synonyms=[], @string="text/css", @symbol=nil>
      #<Mime::Type:0xb73082f0 @synonyms=[], @string="text/x-vcard", @symbol=nil>
      #<Mime::Type:0xb73081ec @synonyms=[], @string="text/x-vcalendar", @symbol=nil>
      #<Mime::Type:0xb73080d4 @synonyms=[], @string="image/gif", @symbol=nil>
      #<Mime::Type:0xb7307fd0 @synonyms=[], @string="image/vnd.wap.wbmp", @symbol=nil>
      #<Mime::Type:0xb79ab43c @synonyms=[], @string="*/*", @symbol=:all>
      
      # SonyEricson K810i
      #<Mime::Type:0xb72509d4 @synonyms=[], @string="multipart/mixed", @symbol=nil>
      #<Mime::Type:0xb7250934 @synonyms=[], @string="application/vnd.wap.multipart.mixed", @symbol=nil>
      #<Mime::Type:0xb7250880 @synonyms=[], @string="application/vnd.wap.xhtml+xml", @symbol=nil>
      #<Mime::Type:0xb79ab374 @synonyms=["application/xhtml+xml"], @string="text/html", @symbol=:html>
      #<Mime::Type:0xb72507cc @synonyms=[], @string="text/vnd.wap.wml", @symbol=nil>
      #<Mime::Type:0xb73082f0 @synonyms=[], @string="text/x-vcard", @symbol=nil>
      #<Mime::Type:0xb73081ec @synonyms=[], @string="text/x-vcalendar", @symbol=nil>
      #<Mime::Type:0xb73080d4 @synonyms=[], @string="image/gif", @symbol=nil>
      #<Mime::Type:0xb7307fd0 @synonyms=[], @string="image/vnd.wap.wbmp", @symbol=nil>
      #<Mime::Type:0xb79ab43c @synonyms=[], @string="*/*", @symbol=:all>
      
      'mwrt002'
    end
  end
  
  def detour_to(options)
    store_detour(params)
    redirect_to(options)
  end
  
  def rjs_detour_to(options)
    store_detour(params, request.post?)
    rjs_redirect_to(options)
  end
  
  def rjs_redirect_to(options)
    @options = options
    render :template => 'redirect', :layout => false
  end
  
  def store_detour(options, post = false)
    options[:request_method] = :post if post
    if session[:detours] && session[:detours].last == options
      logger.debug "duplicate detour: #{options}"
      return
    end
    logger.debug "adding detour: #{options}"
    session[:detours] ||= []
    session[:detours] << options
  end
  
  def store_detour_from_params
    if params[:detour]
      store_detour(params[:detour])
    end
    if params[:return_from_detour] && session[:detours]
      pop_detour
    end
  end
  
  def back
    return false if session[:detours].nil?
    detour = pop_detour
    post = detour.delete(:request_method) == :post
    if post
      redirect_to_post(detour)
    else
      redirect_to detour
    end
    return true
  end
  
  def back_or_redirect_to(options)
    back or redirect_to options
  end
  
  def pop_detour
    detours = session[:detours]
    return nil unless detours
    detour = detours.pop
    logger.debug "popped detour: #{detour.inspect} #{session[:detours].size} more"
    if detours.empty?
      session[:detours] = nil
    end
    detour
  end

  
  
  def store_cookies_from_params
    if params[:cookies]
      params[:cookies].each_pair do |key, value|
        logger.info "Storing cookie #{key.inspect}=#{value.inspect}"
        #cookies[key] = {:value => value, :expires => 1.year.from_now}
        session[key] = value
        logger.info "Stored cookie #{key.inspect}=#{session[key].inspect}"
      end
    end
  end
  
  
  def populate_shortcuts
    @shortcuts = [
    {:key => 'Alt-N',          :function => :new_task,    :options => {:controller => 'tasks', :action => 'new', :period_id => (@period ? @period.id : (@backlog && @backlog.periods.first ? @backlog.periods.first.id : nil))}},
    {:key => 'Alt-Shift-N',    :function => :new_period, :options => {:controller => 'periods', :action => 'new'}},
    {:key => 'Alt-Ctrl-N',     :function => :new_backlog, :options => {:controller => 'backlogs', :action => 'new'}},
    {:key => 'Alt-Ctrl-G',     :function => :new_group, :options => {:controller => 'groups', :action => :new}},
    {:key => 'Alt-Shift-D',    :function => :daily_work_sheet, :options => {:controller => 'works', :action => :daily_work_sheet}},
    {:key => 'Alt-Shift-W',    :function => :weekly_work_sheet, :options => {:controller => 'works', :action => :weekly_work_sheet}},
    ]
  end
  
  def populate_layout
    return true if request.path_parameters[:action] =~ /_no_layout$/
    
    populate_shortcuts
  end
  
  def user_id
    session[:user_id]
  end
    
  def user
    User.find_by_id(user_id) if user_id
  end
    
    def redirect_to_post(options)
      url = url_for options
      render :text => <<EOF, :layout => false
<html>
  <body onload="document.getElementById('form').submit()">
    <form id="form" action="#{url}" method="POST">
    </form>
  </body>
</html>
EOF
    end
    
  end