#!/usr/bin/python
"""
CGI interface to osmsearch.py
"""

__author__ = "fordprefect"
__date__ = "2020-03-26"
__version__ = "0.1"
print("Content-type: text/html\n") # makes sure the http connection does not die - do nothing before this!

import cgi
import pathvalidate
import osmsearch
import sys
assert sys.version_info >= (3, 6), "At least Python 3.8 required due to fStrings. Replace all f\"…\" and comment this line to enable running in lower versions (but really, you should just update your Python version…)."

#####################################
######## configuration
#####################################

# default set of arguments
args = {
    "q": "Camping",
    "format": "json",
    "limit": 50,
    "use_boundingbox": False,
    "boundingbox": [],
    "outputfilename": None,
    "ignore_ids": [],
    "maxsearchnums": 10,
    "url": "https://nominatim.openstreetmap.org/search/",
}
immutable_args = ["format", "outputfilename", "url",]

#####################################
######## end of configuration
#####################################

def get_arguments():
    """Wrapper for cgi-environment.
    Takes no options, returns dict of arguments
    """
    args = cgi.FieldStorage()
    return {i: args.getvalue(i) for i in args}

# get cgi args and sanitize
cgi_args = get_arguments()
parsed_args = {}
try:
    cgi_args["q"] = pathvalidate.sanitize_filename(cgi_args["query"])
except KeyError:
    # no key called "query" found, abort
    exit()
for arg in cgi_args:
    if arg not in immutable_args and arg in args:
        parsed_args[arg] = cgi_args[arg]
print(parsed_args, " parsed")

args.update(cgi_args)

#status = osmsearch.conduct_search(args)