require 'imap_mailbox'
require 'imap_session'

class FoldersController < ApplicationController

    include ImapMailboxModule
	include ImapSessionModule

	before_filter :check_current_user ,:selected_folder

	before_filter :open_imap_session, :except => [:index,:show_hide]
	after_filter :close_imap_session, :except => [:index,:show_hide]

	before_filter :get_folders

	theme :theme_resolver

    def index

    end

    def create
        if params["folder"].empty?
            flash[:warning] = t(:to_create_empty,:scope=>:folder)
            render "index"
        else
            begin
                #TODO recreate local copy of folders
                if params["parent_folder"].empty?
                    @mailbox.create_folder(params[:folder])
                else
                    parent_folder = @current_user.folders.find(params["parent_folder"])
                    if parent_folder.depth >= $defaults["mailbox_max_parent_folder_depth"].to_i
                        raise Exception, t(:max_depth,:scope=>:folder)
                    end
                    @mailbox.create_folder(parent_folder.full_name + parent_folder.delim + params[:folder])
                end
            rescue Exception => e
                flash[:error] = t(:can_not_create,:scope=>:folder) + ' (' + e.to_s + ')'
                render 'index'
                return
            end
            flash[:notice] = t(:was_created,:scope=>:folder)
            redirect_to :action => 'index'
        end
    end

    def delete
        if params["folder"].empty?
            flash[:warning] = t(:to_delete_empty,:scope=>:folder)
            render "index"
        else
            begin
                folder = @current_user.folders.find(params["folder"])
                system_folders = Array.new
                system_folders << $defaults["mailbox_inbox"]
                system_folders << $defaults["mailbox_trash"]
                system_folders << $defaults["mailbox_sent"]
                system_folders << $defaults["mailbox_drafts"]
                if system_folders.include?(folder.full_name.downcase)
                    raise Exception, t(:system_folder)
                end
                @mailbox.delete_folder(folder.full_name)
                logger.custom('c',@current_folder.inspect)
                logger.custom('f',folder.inspect)
                if @current_folder.eql? folder
                    session[:selected_folder] = $defaults['mailbox_inbox']
                end
                folder.destroy
            rescue Exception => e
                flash[:error] = t(:can_not_delete,:scope=>:folder) + ' (' + e.to_s + ')'
                render 'index'
                return
            end
            flash[:notice] = t(:was_deleted,:scope=>:folder)
            redirect_to :action => 'index'
        end
    end

    def show_hide
        if !params["folders_to_show"].nil?
            @folders.each do |f|
                if params["folders_to_show"].include?(f.id.to_s)
                    f.shown = true
                    f.save
                else
                    f.shown = false
                    f.save
                end
            end
		end
        redirect_to :action => 'index'
    end

	def refresh
		Folder.refresh(@mailbox,@current_user)
		flash.keep
		redirect_to :action => 'index'
	end

	def select
        session[:selected_folder] = params[:id]
        redirect_to :controller => 'messages', :action => 'index'
	end

	def refresh_status
        @folders_shown.each do |f|
            @mailbox.set_folder(f.full_name)
            folder_status = @mailbox.status
            f.update_attributes(:total => folder_status['MESSAGES'], :unseen => folder_status['UNSEEN'])
        end
        redirect_to :controller=> 'messages', :action => 'index'
	end

	def emptybin
        begin
            trash_folder = @current_user.folders.find_by_full_name($defaults["mailbox_trash"])
            @mailbox.set_folder(trash_folder.full_name)
            trash_folder.messages.each do |m|
                @mailbox.delete_message(m.uid)
            end
            @mailbox.expunge
            trash_folder.messages.destroy_all
            trash_folder.update_attributes(:unseen => 0, :total => 0)
        rescue Exception => e
            flash[:error] = "#{t(:imap_error)} (#{e.to_s})"
        end
        redirect_to :controller => 'messages', :action => 'index'
	end


	############################################# protected section #######################################

    protected

    def get_folders
        @folders = @current_user.folders.order("name asc")
        @folders_shown = []
        @folders.each do |f|
			if f.shown == true
				@folders_shown << f
			end
			if f.selected?(@selected_folder)
				@current_folder = f
			end
        end
    end

end