module Shepherd::Command
	class Show
		def init
			@opts = Trollop::options do
				banner <<-EOB
usage: shep show [sheep] [options]

options are:
EOB
				opt :oneline, "print one sheep by one line"
				opt :help, "show me and exit"
			end
			
			# This is what we should show. +:everyone+ means every sheep we got
			# and ARGV[0] would be the name of the one specified sheep.
			@what = ARGV[0] || :everyone
			case @what
				when :everyone
					Shepherd::Db.new.execute "select * from sheeps" do |sheep|
						if !@opts[:oneline]
							puts "#{sheep[0]}. \e[1;32m#{sheep[1]}\e[0;0m in \e[1;34m#{sheep[2]}\e[0;0m
   #{sheep[3].to_nice} files #{sheep[4].to_nice} lines #{sheep[5].to_nice} chars
   #{Shepherd::Utils.nice_bytes(sheep[6])} (#{sheep[6].to_nice} bytes)

"
						else
							puts "#{sheep[0]}. \e[1;32m#{sheep[1]}\e[0;0m in \e[1;34m#{sheep[2]}\e[0;0m"
						end
					end
				else
					sheep = Shepherd::Db.new.get_first_row "select * from sheeps where name = ?", @what
					if sheep
						puts <<-EOP
#{sheep[0]}. \e[1;32m#{sheep[1]}\e[0;0m in \e[1;34m#{sheep[2]}\e[0;0m
   #{sheep[3].to_nice} files #{sheep[4].to_nice} lines #{sheep[5].to_nice} chars
   #{Shepherd::Utils.nice_bytes(sheep[6])} (#{sheep[6].to_nice} bytes)
   
   initialized at #{sheep[7]}
       updated at #{sheep[8]}
   
EOP
					else
						puts "[shep] exit 6: there is no such sheep: #{@what}"
						exit 6
					end
			end
		end
		
		def desc
			"list sheeps you have initialized"
		end
	end
end