from org.csstudio.opibuilder.scriptUtil import PVUtil
from org.csstudio.opibuilder.scriptUtil import WidgetUtil
from org.csstudio.opibuilder.scriptUtil import ConsoleUtil
from org.csstudio.utility.pv import PVFactory
import re
import os
import time
import sys
import os.path

def connectPV(pvName):
	pvN = PVFactory.createPV(pvName)
	pvN.start()
	cnt = 0
	status1 =  pvN.isConnected()
	while (( not (status1)) and (cnt<5) ):
		cnt += 1
		time.sleep(0.1)
		status1 =  pvN.isConnected()

	if (cnt<5):
		val = PVUtil.getString(pvN)
	else:
		ConsoleUtil.writeInfo( "epics PV " + pvName + " is NOT connected!") 
	pvN.stop()
	return val


scanName = widget.getParent().getMacroValue("P")

pvFileSystem  = scanName + "saveData_fileSystem"
pvSubDir      = scanName + "saveData_subDir"
pvBaseName    = scanName + "saveData_baseName"
pvFullPathName= scanName + "saveData_fullPathName"
pvMdaFileName = scanName + "saveData_fileName"
#--- connect to the saveData PVs
fileSystem = connectPV(pvFileSystem)
# ConsoleUtil.writeInfo( "FileSystem = " + str(fileSystem))
subDir = connectPV(pvSubDir)
# ConsoleUtil.writeInfo( "SubDir = " + str(subDir))
baseName = connectPV(pvBaseName)
# ConsoleUtil.writeInfo( "BaseName = " + str(baseName))
fullPathName = connectPV(pvFullPathName)
# ConsoleUtil.writeInfo( "FullPathName = " + str(fullPathName))
mdaFileName = connectPV(pvMdaFileName)
# ConsoleUtil.writeInfo( "mdaFileName = " + str(mdaFileName))

mdaDirName = fileSystem + "/" + subDir + "/"

root_osname = os.environ['EPICS_OSNAME']
root_version = os.environ['EPICS_ROOT_VERSION']

ConsoleUtil.writeInfo( "ROOT OSNAME is " +  root_osname)

envCmd = 'source  /gapps/root/%s/%s/bin/thisroot.csh /gapps/root/%s/%s ;' % (root_osname, root_version, root_osname, root_version)
analysisCmd = 'analyzeScanTAGM.py  -d ' + mdaDirName + ' -f ' + mdaFileName + " -s " ' ; '

xtermCmd = "xterm -geometry 80x10 -e '" + envCmd + " printenv; sleep 1; " + analysisCmd + " ' &> /dev/null &" 
cmd = xtermCmd 
ConsoleUtil.writeInfo( "Will issue command " + cmd )
status = os.system(cmd)