#
# This is the central component to parlement
#
# An element is just the name for a poll/message/issue
#
class EltController < ApplicationController
	def index
		params[:id] = params[:id].gsub(/.html/, '')
		show
	end

	def show
		params[:id] = params[:id].gsub(/.html/, '')
		@elt = Elt.find(params[:id])
		@title = @elt.subject
		@title += " (parlement)" if !@title.downcase.include? "parlement"
		render :layout => 'top'

	rescue ActiveRecord::RecordNotFound => e
		flash[:error] = _("Element %s does not exist") % params[:id]
		headers["Status"] = "301 Moved Permanently"
		redirect_to '/'
	end

	def list
		@elt = Elt.find(params[:id]) if @elt == nil
		render :partial => '/elt/list', :locals => { :elt => @elt }
	end

	def listByDate
		@elt = Elt.find params[:id] unless @elt
		render :partial => 'listByDate'
	end

	def listByVote
		@elt = Elt.find params[:id] unless @elt
		render :partial => 'listByVote'
	end

	def rss
		params[:id] = params[:id].gsub(/.rss/, '')
		headers["Content-Type"] = "text/xml; charset=utf-8" 
		@elt = Elt.find(params[:id]) if @elt == nil
	end

	def vote_rss
		params[:id] = params[:id].gsub(/.rss/, '')
		headers["Content-Type"] = "text/xml; charset=utf-8" 
		@elt = Elt.find(params[:id]) if @elt == nil
	end

	# Used to initialise the elt, its subject mainly
	def new
		@elt = Elt.new
		@elt.parent = Elt.find(params[:id])

		if @elt.parent.subject.include? 'Re: '
			@elt.subject = @elt.parent.subject 
		else
			@elt.subject = 'Re: '+@elt.parent.subject 
		end
	end

	def create
		@elt = Elt.new(params[:elt])
		@elt.person = session[:person]

		if !session[:person] and \
      (@elt.subject =~ /([<>\/]|href)/ \
			 or @elt.body =~ /(.*(http|href)(.*\n)*){3}/ \
			 or @elt.body =~ /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i \
			 or @elt.body =~ /([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,}.*){3}/i) then
			logger.error red { underline { "SPAM! '#{@elt.subject}'" } }
			logger.error "SPAM! '#{@elt.body}'"
			flash[:error] = 'Sorry, to fight spam "<" ">" or "href" are forbidden in the subject, and there can not be more than 3 links in the body, you also can\'t input one simple email or more than 3 emails!'
			headers["Status"] = "404 Post considered as spam"
			render :controller => 'elt', :action => 'new', :status => 404
		elsif params[:submit] == "preview" or (@elt.publish and @elt.parent.add_child(@elt)) then
			#headers["Status"] = "201 Created"
			render :partial => '/elt/elt', :locals => { :elt => @elt, :eltTop => false }
		else
      logger.error "Strange error, can't preview or save an element"
      puts "Strange error, can't preview or save an element"
			flash[:notice] = 'Error'
			render :controller => 'elt', :action => 'new'
		end
	end

	def raw_elt
		@mail = Elt.find(params[:id]).mail
		#@elt = TMail::Mail.parse(Elt.find(params[:id]).mail.id)
		render :inline => "<pre><%= @mail.file %></pre>", :layout => 'top'
	end

	def vote
		@elt = Elt.find params[:id]
		unless params[:choice][:value] =~ /^\s*(-1|0|\+1)(\s|$)/ then
			logger.error red { underline { "SPAM! through the vote" } }
			logger.error params[:choice][:value]
			flash[:error] = 'Sorry, you can only vote here!'
			render :partial => '/elt/choice', :locals => { :elt => @elt }
			return
		end

		vote = @elt.children.build
		vote.person = session[:person]
		vote.subject = @elt.subject
		vote.subject = 'Re: '+vote.subject if vote.subject and !vote.subject.include? 'Re: '
		vote.body = params[:choice][:value]

		choice = Choice.find_by_elt_id_and_person_id @elt.id, (session[:person] ? session[:person].id : nil)

		if choice and choice.value == vote.body.to_i then
			logger.info "#{(session[:person] ? session[:person].name : 'null')} voting 0"
			vote.body = "0"
		else
			logger.info "#{(session[:person] ? session[:person].name : 'null')} voting #{params[:choice][:value]}"
		end

		vote.publish
		@elt.add_child vote
		expire_fragment :action => 'show', :id => @elt.id

		render :partial => '/elt/choice', :locals => { :elt => @elt }
	end

	def choices
		@elt = Elt.find params[:id]
	end
end