require "P4"

def p4_login ( port, user, pass, charset )
	begin
		p4 = P4.new
		p4.port = port
		if charset
			p4.charset = charset
		end
		p4.connect
		p4.user = user
		p4.input = pass
		ticket = p4.run( "login", "-p" )
		info = p4.run( "info" )
		if charset
			return "#{ticket[0]}*#{port}*#{charset}*#{user}", info
		end
		return "#{ticket[0]}*#{port}**#{user}", info
	
	rescue P4Exception
		return Array p4.errors.join("\n")

	ensure
		if p4.connected?
			p4.disconnect
		end
	end
end

def p4_cmd( cookie, cmd, args, data )
	parts = cookie.split("*")
	if parts.length < 4 then
		return Array "Invalid ticket"
	end
	ticket = parts[0]
	port = parts[1]
	charset = parts[2]
	user = parts[3, parts.length - 1].join("*")
	begin
		p4 = P4.new
		p4.port = port
		p4.user = user
		p4.password = "#{ticket}"
		if charset.length > 0
			p4.charset = charset
		end
		p4.connect
		if data
			p4.input = data
		end
		listing = p4.run( cmd, args )
		return "200", listing

	rescue P4Exception
		errs = Array.new p4.errors
		return errs

	ensure
		p4.disconnect
	end
end

def p4_args( query_hash )
	args = Array.new
	query_hash.each { | name, value |
		if name != "d" and name != "i" and name != "o"
			if name and name.length > 0
				args << "-#{name}"
			end
			if value and value.length > 0
				args << "#{value[0]}"
			end
		end
	}
	return args
end