#!C:\Python25\python.exe
# -*- coding: UTF-8 -*-
import os, sys, Cookie, hashlib, subprocess
import cgitb,cgi
from xml.dom.minidom import Document
import xml.dom.minidom
from xml.dom.minidom import Node
import xml.sax
import pprint

#cgitb.enable()

# ***** include the biocase.lib directory in the python sys path for importing *****
execfile( os.path.abspath( os.path.join( os.path.dirname( __file__ ), os.pardir, os.pardir, 'lib', 'biocase', 'adjustpath.py' ) ))
execfile( os.path.abspath( os.path.join( os.path.dirname( __file__ ), os.pardir, os.pardir, 'lib', 'biocase', 'appinit.py' ) ))

from biocase.configtool.general import *
import biocase.configuration

archivefilename = form.getvalue('archivefilename')
dsa = form.getvalue('dsa')
action = form.getvalue("action")
archivePath = os.path.abspath(".." + os.sep + ".." + os.sep + "archive") + os.sep + dsa + os.sep
proc = archivePath + archivefilename + ".proc"
faf = archivePath + archivefilename


if dsa is None:
    execfile( os.path.abspath( os.path.join( os.path.dirname( __file__ ), 'main.cgi' ) ))
    sys.exit()

# check authentication!
authorize(form, dsa=dsa)

def tail(file, n=1, bs=1024):
    f = open(file)
    f.seek(-1,2)
    l = 1-f.read(1).count('\n') # If file doesn't end in \n, count it anyway.
    B = f.tell()
    while n >= l and B > 0:
        block = min(bs, B)
        B -= block
        f.seek(B, 0)
        l += f.read(block).count('\n')
    f.seek(B, 0)
    l = min(l,n) # discard first (incomplete) line if l > n
    lines = f.readlines()[-l:]
    f.close()
    return lines

print('Content-Type: text/html\n')

if not os.path.exists(archivePath):
	os.makedirs(archivePath)

if action == "showlog":	
	lf = archivePath + archivefilename + ".log"
	if os.path.exists(lf):
		lines = tail(lf, 15)
		if len(lines) == 15:
			print ("...continued ")
		for line in lines:
			print line.rstrip()
	else:		
		print("Log file not found : " + lf)

if action == "isRunning":	
	if os.path.exists(proc):
		print("true")
	else: 
		print("false")

if action == "archiveexists":
	if os.path.exists(faf):
		print("true")
	else:
		print("false")

if action == "cancel":	
	if os.path.exists(proc):
		p = open(proc, "w")
		p.write("cancel")
		p.close()
		print "Cancelation of "+archivefilename+" requested. Waiting for the program to finish..."
	else:
		print(archivefilename + " is not running.")

if action == "proclist":
	j = "{ "
	l = os.listdir(archivePath)
	for f in l:
		if f.endswith(".proc"):
			j += '"' + f + '":"' + f[:-5] + '",'
	j = j[:-1] + "}"
	print j

if action == "finishedlist":
	j = "{ "
	l = os.listdir(archivePath)
	for f in l:
		if f.endswith(".config.xml"):
			name = f[:-11]
			if not os.path.exists(archivePath + name + ".proc") and os.path.exists(archivePath + name):
				j += '"' + name + '":"' + name + '",'
	j = j[:-1] + "}"	
	print j

if action == "remove":
	if os.path.exists(faf):
		os.remove(faf)
		print archivefilename+" was removed."
	else:
		print(archivefilename + " does not exists.")