#!/usr/bin/env python

# FAA_ATA100_examples/simple.py
#
# a simple example of using the FAA_ATA100 Python module to parse
# FAA data
#
# Kyler Laird (Kyler@Lairds.com)
# May, 2004
#
# 

# This program uses the library file "FAA_ATA100.py".  It is available
# here.
#		http://aviationtoolbox.org/munge/FAA_ATA100.py
# If it's not in your default path (such as in the current directory),
# modify the system path to find it.
import sys
sys.path.append('../')

import FAA_ATA100

# Specify the zip file containing the ATA-100 data.
# Adjust the path as necessary to find the file as provided here.
#	http://aviationtoolbox.org/raw_data/FAA/ATA-100/current.zip
FAA_data = FAA_ATA100.ATA100zip('../../raw_data/FAA/ATA-100/current.zip')

# We're only going to look at APT records.
# The description is here.
# 	http://aviationtoolbox.org/old/ATA-100/Subscriber_File_Formats/Apt_rf.txt
FAA_parsed_data = FAA_data.parse('APT')

# Iterate through each of the record types (APT and RWY).
for record_type in FAA_parsed_data.fields.keys():
	print record_type
	# Dump the names we use for each of the fields.  These names
	# are the first lines of the field descriptions from the
	# description file.
	for field_name in FAA_parsed_data.fields[record_type]:
		print '\t' + field_name

# Only look at these airports.
interesting_airports = ['LAF', 'BMG']

interesting_entry = 0
# Iterate over all of the APT records.
for record in FAA_parsed_data:
	# What's the record type indicator?
	rti = record['RTI']

	# It's an airport?
	if rti == 'APT':
		ident = record['LOCATION IDENTIFIER']
		if not ident in interesting_airports:
			interesting_entry = 0
			continue
		interesting_entry = 1

		print ident,
		print record['LOCATION IDENTIFIER'], 
		print record['ASSOCIATED CITY NAME'], 
		print record['ASSOCIATED STATE POST OFFICE CODE'], 
		print FAA_ATA100.seconds_to_degrees(record['AIRPORT REFERENCE POINT LONGITUDE (SECONDS)']), 
		print FAA_ATA100.seconds_to_degrees(record['AIRPORT REFERENCE POINT LATITUDE (SECONDS)'])
	# This isn't an APT record and the last APT record we saw was
	# not for an airport of interest.
	elif not interesting_entry:
		continue
	# This is a runway?
	elif rti == 'RWY':
		print '\t', 
		print record['RUNWAY IDENTIFICATION'], 
		print record['PHYSICAL RUNWAY LENGTH (NEAREST FOOT)'],
		print record['PHYSICAL RUNWAY WIDTH (NEAREST FOOT)']