import json
import os

import flask

import db_handler

app = flask.Flask(__name__, template_folder='templates', static_folder='static', static_url_path='')


@app.route("/")
def index():
    return flask.redirect('/index.html')


@app.route("/chains")
def chains():
    files = os.listdir(os.path.join(os.getcwd(), 'src', 'static', 'icons'))
    files.pop(files.index('Unknown.png'))
    icon_names = set([os.path.splitext(a)[0] for a in files])

    chains = db_handler.get_chains()
    chain_names = set((a['name'] for a in chains))
    if icon_names != chain_names:
        print(f'WARNING ICON MISSING, OR DB ENTRY MISSING')
    color_by_name = {a['name']: a['color'] for a in chains}
    return json.dumps(color_by_name)


@app.route("/supermarkets.json")
def supermarkets():
    return db_handler.get_supermarkets()


@app.route("/voronoi_polygons.json")
def voronoi_polygons():
    d = db_handler.voronoi_polygons()


@app.route("/all.json")
def all():
    rows = db_handler.get_all()
    for row in rows:
        coordinates = []
        for coordinate in json.loads(row['polygon'])['coordinates'][0]:
            coordinates.append([coordinate[1], coordinate[0]])
        row['polygon'] = coordinates
    return json.dumps(rows)