#!/usr/bin/env python3
#
# Archey [version 0.3.0]
#
# Archey is a simple system information tool written in Python.
#
# Copyright 2010 Melik Manukyan <melik@archlinux.us>
# Copyright 2010 David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
#
# ASCII art by Brett Bohnenkamper <kittykatt@silverirc.com>
# Changes Jerome Launay <jerome@projet-libre.org>
# Fedora support by YeOK <yeok@henpen.org>
#
# Distributed under the terms of the GNU General Public License v3.
# See http://www.gnu.org/licenses/gpl.txt for the full license text.

# Import libraries

import os, sys, subprocess, optparse, re, linecache
from subprocess import Popen, PIPE
from optparse import OptionParser
from getpass import getuser
from time import ctime, sleep

#---------------Output---------------#

output = [ 'User', 'Hostname', 'Distro', 'Kernel', 'Uptime', 'WindowManager', 'DesktopEnvironment', 'Shell', 'Terminal', 'Packages', 'CPU', 'RAM', 'Disk' ] 
 
#---------------Dictionaries---------------#

colorDict = {
	'Arch Linux': ['\x1b[0;34m', '\x1b[1;34m'],
	'Ubuntu': ['\x1b[0;31m', '\x1b[1;31m', '\x1b[0;33m'],
	'Debian': ['\x1b[0;31m', '\x1b[1;31m'],
	'Mint': ['\x1b[0;32m', '\x1b[1;37m'],
	'Crunchbang': ['\x1b[1;37m'],
	'Fedora': ['\x1b[0;34m', '\x1b[1;37m'],
	'Sensors': ['\x1b[0;31m', '\x1b[0;32m', '\x1b[0;33m'], 
	'Clear': ['\x1b[0m']
	}
	
deDict = {
	'cinnamon-sessio': 'Cinnamon',
	'gnome-session': 'GNOME',
	'mate-session': 'MATE',
	'ksmserver': 'KDE',
	'xfce4-session': 'Xfce',
	'lxsession': 'LXDE'
	}

wmDict = {
	'awesome': 'Awesome',
	'beryl': 'Beryl',
	'blackbox': 'Blackbox',
	'compiz': 'Compiz',
	'dwm': 'DWM',
	'enlightenment': 'Enlightenment',
	'herbstluftwm': 'herbstluftwm',
	'fluxbox': 'Fluxbox',
	'fvwm': 'FVWM',
	'i3': 'i3',
	'icewm': 'IceWM',
	'kwin': 'KWin',
	'metacity': 'Metacity',
	'musca': 'Musca',
	'nemo': 'Nemo',
	'openbox': 'Openbox',
	'pekwm': 'PekWM',
	'ratpoison': 'ratpoison',
	'scrotwm': 'ScrotWM',
	'wmaker': 'Window Maker',
	'wmfs': 'Wmfs',
	'wmii': 'wmii',
	'xfwm4': 'Xfwm',
	'xmonad': 'xmonad'
	}

logosDict = {'Arch Linux': '''{color[1]}
{color[1]}               +                {results[0]}
{color[1]}               #                {results[1]}
{color[1]}              ###               {results[2]}
{color[1]}             #####              {results[3]}
{color[1]}             ######             {results[4]}
{color[1]}            ; #####;            {results[5]}
{color[1]}           +##.#####            {results[6]}
{color[1]}          +##########           {results[7]}
{color[1]}         ######{color[0]}#####{color[1]}##;         {results[8]}
{color[1]}        ###{color[0]}############{color[1]}+        {results[9]}
{color[1]}       #{color[0]}######   #######        {results[10]}
{color[0]}     .######;     ;###;`\".      {results[11]}
{color[0]}    .#######;     ;#####.       {results[12]}
{color[0]}    #########.   .########`     {results[13]}
{color[0]}   ######'           '######    {results[14]}
{color[0]}  ;####                 ####;   {results[15]}
{color[0]}  ##'                     '##   {results[16]} 
{color[0]} #'                         `#  {results[17]}
\x1b[0m'''
}

processes = str(subprocess.check_output(('ps', '-u', getuser(), '-o', 'comm',
	'--no-headers')), encoding='utf8').rstrip('\n').split('\n')

#---------------Classes---------------#

class Output:
	results = []
	results.extend(['']*(18-len(output)))
	
	def __init__(self):
		self.distro = self.__detectDistro()
		
	def __detectDistro(self):
		if os.path.exists('/etc/pacman.conf'):
			return 'Arch Linux'
		else:
			sys.exit(1)
			
	def append(self, display):
		self.results.append('%s%s: %s%s' % (colorDict[self.distro][1], display.key, colorDict['Clear'][0], display.value))
		
	def output(self):
		print(logosDict[self.distro].format(color = colorDict[self.distro], results = self.results))
			
class User:
	def __init__(self):
		self.key = 'User'
		self.value = os.getenv('USER')

class Hostname:
	def __init__(self):
		hostname = Popen(['uname', '-n'], stdout=PIPE).communicate()[0].decode('Utf-8').rstrip('\n')
		self.key = 'Hostname'
		self.value = hostname
			
class Distro:
	def __init__(self):
		if os.path.exists('/etc/pacman.conf'):
			distro =  'Arch Linux'
		self.key = 'Distro'
		self.value = distro
			
class Kernel:
	def __init__(self):
		kernel = Popen(['uname', '-r'], stdout=PIPE).communicate()[0].decode('Utf-8').rstrip('\n')
		self.key = 'Kernel'
		self.value = kernel
			
class Uptime:		
	def __init__(self):
		fuptime = int(open('/proc/uptime').read().split('.')[0])
		day = int(fuptime / 86400)
		fuptime = fuptime % 86400
		hour = int(fuptime / 3600)
		fuptime = fuptime % 3600
		minute = int(fuptime / 60)
		uptime = ''
		if day == 1:
			uptime += '%d day, ' % day
		if day > 1:
			uptime += '%d days, ' % day
		uptime += '%d:%02d' % (hour, minute)
		self.key = 'Uptime'
		self.value = uptime
	
class WindowManager:
	def __init__(self):
		wm = ''
		for key in wmDict.keys():
			if key in processes:
				wm = wmDict[key]
				break
					
		self.key = 'Window Manager'
		self.value = wm
			
class DesktopEnvironment:
	def __init__(self):
		de = ''
		for key in deDict.keys():
			if key in processes:
				de = deDict[key]
				break
					
		self.key = 'Desktop Environment'
		self.value = de
			
class Shell:
	def __init__(self):
		self.key = 'Shell'
		self.value = os.getenv('SHELL')
			
class Terminal:
	def __init__(self):
		self.key = 'Terminal'
		self.value = os.getenv('TERM')
			
class Packages:
	def __init__(self):
		p1 = Popen(['pacman', '-Q'], stdout=PIPE).communicate()[0].decode("Utf-8")
		packages = len(p1.rstrip('\n').split('\n'))
		self.key = 'Packages'
		self.value = packages
		
class CPU:
    def __init__(self):
        file = open('/proc/cpuinfo').readlines()
        cpuinfo = re.sub('  +', ' ', file[4].replace('model name\t: ', '').rstrip('\n'))
        self.key = 'CPU'
        self.value = cpuinfo

class RAM:
	def __init__(self):
		raminfo = Popen(['free', '-m'], stdout=PIPE).communicate()[0].decode('Utf-8').split('\n')
		ram = ''.join(filter(re.compile('M').search, raminfo)).split()
		used = int(ram[1]) - int(ram[5]) - int(ram[6])
		usedpercent = ((float(used) / float(ram[1])) * 100)
		if usedpercent <= 33:
			ramdisplay = '%s%s MB %s/ %s MB' % (colorDict['Sensors'][1], used, colorDict['Clear'][0], ram[1])
		if usedpercent > 33 and usedpercent < 67:
			ramdisplay = '%s%s MB %s/ %s MB' % (colorDict['Sensors'][2], used, colorDict['Clear'][0], ram[1])
		if usedpercent >= 67:
			ramdisplay = '%s%s MB %s/ %s MB' % (colorDict['Sensors'][0], used, colorDict['Clear'][0], ram[1])
		self.key = 'RAM'
		self.value = ramdisplay
			
class Disk:
    def __init__(self):
        p1 = Popen(['df', '-Tlh', '--total', '-t', 'ext4', '-t', 'ext3', '-t', 'ext2', '-t', 'reiserfs', '-t', 'jfs', '-t', 'ntfs', '-t', 'fat32', '-t', 'btrfs', '-t', 'fuseblk', '-t', 'xfs'], stdout=PIPE).communicate()[0].decode("Utf-8")
        total = p1.splitlines()[-1]
        used = total.split()[3]
        size = total.split()[2]
        usedpercent = float(total.split()[5][:-1])
        
        if usedpercent <= 33:
            disk = '%s%s %s/ %s' % (colorDict['Sensors'][1], used, colorDict['Clear'][0], size)  
        if usedpercent > 33 and usedpercent < 67:  
            disk = '%s%s %s/ %s' % (colorDict['Sensors'][2], used, colorDict['Clear'][0], size)  
        if usedpercent >= 67:
            disk = '%s%s %s/ %s' % (colorDict['Sensors'][0], used, colorDict['Clear'][0], size)  
        self.key = 'Disk'
        self.value = disk

classes = {
 'User': User,
 'Hostname': Hostname,
 'Distro': Distro,
 'Kernel': Kernel,
 'Uptime': Uptime,
 'WindowManager': WindowManager,
 'DesktopEnvironment': DesktopEnvironment,
 'Shell': Shell,
 'Terminal': Terminal,
 'Packages': Packages,
 'CPU': CPU,
 'RAM': RAM,
 'Disk': Disk
 }

out = Output()
for x in output:
	out.append(classes[x]())
out.output()