import csv

AIRPORTS_DAT_FILE = "/home/igor/wttrin-geo/share/airports.dat"


def load_aiports_index():
    file_ = open(AIRPORTS_DAT_FILE, "r")
    reader = csv.reader(file_)
    airport_index = {}

    for line in reader:
        airport_index[line[4]] = line

    return airport_index


AIRPORTS_INDEX = load_aiports_index()


def get_airport_gps_location(iata_code):
    if iata_code in AIRPORTS_INDEX:
        airport = AIRPORTS_INDEX[iata_code]
        return "%s,%s airport" % (airport[6], airport[7])  # , airport[1])
    return None