#!/usr/bin/env ruby
#  Phusion Passenger - http://www.modrails.com/
#  Copyright (c) 2008, 2009 Phusion
#
#  "Phusion Passenger" is a trademark of Hongli Lai & Ninh Bui.
#
#  Permission is hereby granted, free of charge, to any person obtaining a copy
#  of this software and associated documentation files (the "Software"), to deal
#  in the Software without restriction, including without limitation the rights
#  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#  copies of the Software, and to permit persons to whom the Software is
#  furnished to do so, subject to the following conditions:
#
#  The above copyright notice and this permission notice shall be included in
#  all copies or substantial portions of the Software.
#
#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#  THE SOFTWARE.

$LOAD_PATH << File.expand_path(File.dirname(__FILE__) + "/../lib")
$LOAD_PATH << File.expand_path(File.dirname(__FILE__) + "/../ext")
require 'phusion_passenger/admin_tools/control_process'

include PhusionPassenger::AdminTools

# ANSI color codes
RESET   = "\e[0m"
BOLD    = "\e[1m"
YELLOW  = "\e[33m"
BLUE_BG = "\e[44m"

def show_status(control_process, format = :text)
	begin
		text = control_process.status
	rescue SystemCallError => e
		STDERR.puts "*** ERROR: Cannot query status for Passenger instance #{control_process.pid}:"
		STDERR.puts e.to_s
		exit 2
	end
	# Colorize output
	text.gsub!(/^(----)(.*)$/, YELLOW + BLUE_BG + BOLD + '\1\2' + RESET)
	text.gsub!(/^( +in '.*? )(.*?)\(/, '\1' + BOLD + '\2' + RESET + '(')
	puts text
end

def start
	if ARGV.empty?
		control_processes = ControlProcess.list
		if control_processes.empty?
			STDERR.puts("ERROR: Phusion Passenger doesn't seem to be running.")
			exit 2
		elsif control_processes.size == 1
			show_status(control_processes.first)
		else
			puts "It appears that multiple Passenger instances are running. Please select a"
			puts "specific one by running:"
			puts
			puts "  passenger-status <PID>"
			puts
			puts "The following Passenger instances are running:"
			control_processes.each do |control|
				puts "  PID: #{control.pid}"
			end
			exit 1
		end
	else
		show_status(ControlProcess.for_pid(ARGV[0].to_i))
	end
end

start