# This may take a bit...
import os
import urllib2

if not os.path.exists('LK003_0113.tgz'):
    fh1 = urllib2.urlopen('http://lda10g.alliance.unm.edu/metadata/observation/130921_done/LK003_0113.tgz')
    fh2 = open('LK003_0113.tgz', 'wb')
    fh2.write(fh1.read())
    fh1.close()
    fh2.close()
    
print "Metadata Size: %.1f kB" % (os.path.getsize('LK003_0113.tgz')/1024.)

from lsl.common import metabundle 

project = metabundle.getSessionDefinition('LK003_0113.tgz')
print "Project ID: %s" % project.id
print "Session ID: %i" % project.sessions[0].id

from datetime import datetime, timedelta

nObs = len(project.sessions[0].observations)
for i in xrange(nObs):
    currDur = project.sessions[0].observations[i].dur
    currDur = timedelta(seconds=int(currDur/1000), microseconds=(currDur*1000) % 1000000)
    
    print "  Observation #%i" % (i+1,)
    print "   Target: %s" % project.sessions[0].observations[i].target
    print "   Mode: %s" % project.sessions[0].observations[i].mode
    print "   Start:"
    print "    MJD: %i" % project.sessions[0].observations[i].mjd
    print "    MPM: %i" % project.sessions[0].observations[i].mpm
    print "   Duration: %s" % currDur

from lsl.astro import utcjd_to_unix, MJD_OFFSET

mjd = project.sessions[0].observations[0].mjd
mpm = project.sessions[0].observations[0].mpm
tStart = utcjd_to_unix(mjd + MJD_OFFSET)
tStart += mpm / 1000.0

print "MJD: %i" % mjd
print "MPM: %i" % mpm
print "-> %s" % datetime.utcfromtimestamp(tStart)

fileInfo = metabundle.getSessionMetaData('LK003_0113.tgz')
for obsID in fileInfo.keys():
    print " Obs. #%i: %s on %s" % (obsID, fileInfo[obsID]['tag'], fileInfo[obsID]['barcode'])

for which in ('Beginning', 'End'):
    aspConfig = metabundle.getASPConfigurationSummary('LK003_0113.tgz', which=which)
    print '  %s' % which
    for k in aspConfig.keys():
        print '    %s: %i' % (k, aspConfig[k])