class EasypicController < ApplicationController
#require 'find'
def filechoices?
	false
end
def get_title
	'select picture to type'
end
	#possible_chars takes as parameters
	#root_path, the path to the pictures, and
	#the string that was already_typed. By looking at the picture file names,
	#it returns what characters might possibly follow, in order of decreasing likelihood
def possible_chars(root_path,already_typed)
	picked=already_typed
	g=Giver.new
	loop do
  		pcs=g.get_filename_part(root_path,
		Regexp.new('images/\w+'+'/('+picked+
			'[a-z, ])[\w, ]*\.(JPEG|JPG|GIF|PNG)$',Regexp::IGNORECASE))
		logger.info " possible_chars #{pcs.inspect}"
		case pcs.size
			when 0
				return [picked],picked
			when 1
		#with only one choice, the computer takes it
				picked=pcs.first
			else
				return pcs,picked
		end
	end
	
end
def start_choices
	c,d=possible_chars("images",'')
# 	if c.size==1
# 		session[:displayed]=c.first
# 	end
# 	logger.info "in start_choices, #{c} displayed #{session[:displayed]}"
	c
end
def extras
	@text=get_text
# 	@displayed=get_displayed
# 	@picfile=make_clickable(get_pic_file(@displayed) )
end
def selected(str)
# 	logger.info "in selected, str #{str} displayed #{get_displayed}"
# 	r=/#{str}/i
# 	if (get_displayed.length > 0) && get_displayed =~ r
# logger.info "selected #{str}"
	if get_pic_file(str).empty?
		choices,typed=possible_chars("images",str)
		logger.info "in selected, typed #{typed} choices #{choices.inspect}"
		choices
	else
		session[:text]= session[:text].strip+' '+ str + ' '
		choices=nil
	end
end
def backspace
	session[:choices]=nil
	what_next
end
end