#!/usr/bin/env python

import bottle
from bottle import (
    get,
    run,
    static_file,
    template
)

import thesethreewords as these
import sys
from argparse import ArgumentParser

parser = ArgumentParser(
                    prog='these-3-words-api',
                    description='Hosts an API for these-3-words API',
                    epilog='Defaults to: 0.0.0.0:8080')
parser.add_argument('--host', default='0.0.0.0',
                    help='Host to bind to (default: 0.0.0.0)')
parser.add_argument('--port', type=int, default=8080, help='Port to bind to (default: 8080)')
args = parser.parse_args()

example_locs = [("sydney", (-33.867480754852295, 151.20700120925903)),
                ("battery", (40.70329427719116, -74.0170168876648)),
                ("san_fran", (37.790114879608154, -122.4202036857605))]
example_locs = dict((name,these.three_words(pos)) for name,pos in example_locs)

@get('/static/<filename:path>')
def serve_static(filename):
    return static_file(filename, root='static')


@get('/')
def index():
    return template('index', err=None, **example_locs)


@get('/<threewords>')
def showMap(threewords):
    try:
        lat, lng = these.decode(threewords)
        return template('map', lat=lat, lng=lng, threewords=threewords)
    except:
        return template('index',
                        err="Could not find location {}".format(threewords),
                        **example_locs)


@get('/latlng/<lat:float>,<lng:float>')
def showMapFromLatLng(lat, lng):
    try:
        threewords = these.three_words((lat, lng))
        return template('map', lat=lat, lng=lng, threewords=threewords)
    except:
        return template('index',
                        err="Could not find location {}".format(threewords),
                        **example_locs)


# API
@get('/api/<lat:float>,<lng:float>')
def latLngToHash(lat, lng):
    try:
        three = these.three_words((lat,lng,))
        six = these.six_words((lat,lng,))
        return {'three': three, 'six': six}
    except Exception as error:
        print(error, file=sys.stderr)
        return {}

@get('/api/three/<lat:float>,<lng:float>')
def latLngToThreeHash(lat, lng):
    try:
        three = these.three_words((lat,lng,))
        return {'three': three}
    except Exception as error:
        print(error, file=sys.stderr)
        return {}

@get('/api/six/<lat:float>,<lng:float>')
def latLngToSixHash(lat, lng):
    try:
        six = these.six_words((lat,lng,))
        return {'six': six}
    except Exception as error:
        print(error, file=sys.stderr)
        return {}


@get('/api/<threewords>')
def hashToLatLng(threewords):
    try:
        lat,lng = these.decode(threewords)
        return {"lat": lat, "lng": lng}
    except:
        return {}



if __name__ == '__main__':
    run(host=args.host, port=args.port)

app = bottle.default_app()