class ConversationsController < ApplicationController
  before_filter :authenticate_user!

  respond_to :html, :json, :js

  def index
    @conversations = Conversation.joins(:conversation_visibilities).where(
      :conversation_visibilities => {:person_id => current_user.person.id}).paginate(
      :page => params[:page], :per_page => 15, :order => 'updated_at DESC')

    @visibilities = ConversationVisibility.where(:person_id => current_user.person.id).paginate(
      :page => params[:page], :per_page => 15, :order => 'updated_at DESC')

    @unread_counts = {}
    @visibilities.each { |v| @unread_counts[v.conversation_id] = v.unread }

    @authors = {}
    @conversations.each { |c| @authors[c.id] = c.last_author }

    @conversation = Conversation.joins(:conversation_visibilities).where(
      :conversation_visibilities => {:person_id => current_user.person.id, :conversation_id => params[:conversation_id]}).first
  end

  def create
    person_ids = Contact.where(:id => params[:contact_ids].split(',')).map! do |contact|
      contact.person_id
    end

    params[:conversation][:participant_ids] = person_ids | [current_user.person.id]
    params[:conversation][:author] = current_user.person
    message_text = params[:conversation].delete(:text)
    params[:conversation][:messages_attributes] = [ {:author => current_user.person, :text => message_text }]

    @conversation = Conversation.new(params[:conversation])
    if @conversation.save
      Postzord::Dispatcher.build(current_user, @conversation).post
      flash[:notice] = I18n.t('conversations.create.sent')
    else
      flash[:error] = I18n.t('conversations.create.fail')
    end
    if params[:profile]
      redirect_to person_path(params[:profile])
    else
      redirect_to conversations_path(:conversation_id => @conversation.id)
    end
  end

  def show
    if @conversation = Conversation.joins(:conversation_visibilities).where(:id => params[:id],
                                                                            :conversation_visibilities => {:person_id => current_user.person.id}).first
      if @visibility = ConversationVisibility.where(:conversation_id => params[:id], :person_id => current_user.person.id).first
        @visibility.unread = 0
        @visibility.save
      end

      respond_with @conversation
    else
      redirect_to conversations_path
    end
  end

  def new
    all_contacts_and_ids = Contact.connection.select_rows(
      current_user.contacts.joins(:person => :profile).
        select("contacts.id, profiles.first_name, profiles.last_name, people.diaspora_handle").to_sql
    ).map{|r| {:value => r[0], :name => Person.name_from_attrs(r[1], r[2], r[3]).gsub(/(")/, "'")} }

    @contact_ids = ""

    @contacts_json = all_contacts_and_ids.to_json.gsub!(/(")/, '\\"')
    if params[:contact_id]
      @contact_ids = current_user.contacts.find(params[:contact_id]).id
    elsif params[:aspect_id]
      @contact_ids = current_user.aspects.find(params[:aspect_id]).contacts.map{|c| c.id}.join(',')
    end
    render :layout => false
  end

end