#! /usr/bin/python2

def day_smeidb_mv_cam ( doy_dir, cam, frms ):

	if len(frms) > 0:

		cam_dir = os.path.join( doy_dir, cam )

		if not os.path.exists( cam_dir):
			print 'make', cam_dir
			os.mkdir( cam_dir )

		for frm in frms:
			new_frm = os.path.join( cam_dir, (os.path.split(frm))[1] )
			os.rename( frm, new_frm  )

	return


import sys, string, os
import argv_split

args = argv_split.args( sys.argv )
narg = len(args)

if len(args) == 1:
	top = '/sea2/db'
else:
	top = args[1]

doys = os.listdir(top)
doys.sort()

for doy in doys:							# Loop over all yr-doy combinations

	doy_dir = os.path.join( top, doy)

	if string.find(doy,'200') == -1:		# Skips the 'lost+found' directory
		print 'skip', doy_dir
		continue

	print doy_dir

	tods = os.listdir( doy_dir )
	tods.sort()

	if len(tods) == 0:						# Should never happen
		print 'illegal empty subdir', doy_dir
		sys.exit()

	frm_c1 = []
	frm_c2 = []
	frm_c3 = []

	for tod in tods:						# Loop over all time of days 00,04,08,12,16,20

		# List of frames in each of the 4-hour subdirectories

		tod_dir = os.path.join( doy_dir, tod )
		frms = os.listdir( tod_dir )
		frms.sort()

		if len(frms) == 0:				# Should never happen
			print 'illegal empty subdir', tod_dir
			sys.exit()

		for frm in frms:

			full_frm = os.path.join( tod_dir, frm )

			# Collect frames for each camera separately

			if   string.find(frm,'c1') == 0:
				frm_c1.append(full_frm)
			elif string.find(frm,'c2') == 0:
				frm_c2.append(full_frm)
			elif string.find(frm,'c3') == 0:
				frm_c3.append(full_frm)
			else:
				print 'bad frame:', full_frm
				sys.exit()

	day_smeidb_mv_cam( doy_dir, 'c1', frm_c1 )
	day_smeidb_mv_cam( doy_dir, 'c2', frm_c2 )
	day_smeidb_mv_cam( doy_dir, 'c3', frm_c3 )

	for tod in tods:

		tod_dir = os.path.join( doy_dir, tod )

		if os.path.exists( tod_dir):
			if len( os.listdir( tod_dir ) ) == 0:
				print 'remove', tod_dir
				os.rmdir( tod_dir )
			else:
				print 'subdir not yet empty:', tod_dir
				sys.exit()

sys.exit()