#!/usr/bin/python
#
# rt1toosm -- take RT1 data and produce a simplistic OSM file of segments
#
# TODO:
#	segment joining
#	make ways
#	read RT2 data
#
# Copyright (c) 2007 Brian "Beej Jorgensen" Hall
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#

import sys
import os.path
import btiger

#--------------------------------------------------------------------
class AppContext(object):
	def __init__(self, argv):
		self.scriptname = os.path.basename(argv[0])

		if len(argv) not in (2, 3):
			self.usageExit()

		self.infilename1 = argv[1]
		if len(argv) == 3: self.infilename2 = argv[2]
		else: self.infilename2 = None

	def usageExit(self, msg=None, exitcode=1):
		if msg == None:
			sys.stderr.write("usage: %s filename.rt1 [filename.rt2]\n" % self.scriptname)
		else:
			sys.stderr.write("%s: %s\n" % (self.scriptname, msg))
		sys.exit(exitcode)

#====================================================================

def main(argv):
	ac = AppContext(argv)
	rt1DB = btiger.RecDB(btiger.RT1, ['tlid'])
	rt1DB.load(ac.infilename1)
	sys.stdout.write("<?xml version='1.0' encoding='UTF-8'?>\n")
	sys.stdout.write("<osm version='0.4' generator='%s'>\n" % ac.scriptname)

	n = -1 
	for r in rt1DB:
		if r.cfcc[0] != 'A': continue

		sys.stdout.write('<node id="%d" action="modify" visible="true" lat="%s" lon="%s">\n' % (n, btiger.llConvert(r.frlat), \
			btiger.llConvert(r.frlong)))

		if r.fename != '':
			sys.stdout.write('\t<tag k="name" v="%s" />\n' % r.fename)
		sys.stdout.write('</node>\n')

		sys.stdout.write('<node id="%d" action="modify" visible="true" lat="%s" lon="%s">\n' % (n-1, btiger.llConvert(r.tolat), \
			btiger.llConvert(r.tolong)))

		if r.fename != '':
			sys.stdout.write('\t<tag k="name" v="%s" />\n' % r.fename)
		sys.stdout.write('</node>\n')

		sys.stdout.write('<segment id="%d" action="modify" visible="true" from="%d" to="%d">\n' % (n-2, n, n-1))
		if r.fename != '':
			sys.stdout.write('\t<tag k="name" v="%s" />\n' % r.fename)
		sys.stdout.write('</segment>\n')

		n -= 3

	sys.stdout.write("</osm>\n")

	return 0

if __name__ == "__main__": sys.exit(main(sys.argv))