from flask import Flask
from flask import render_template
import json
import random
import re

app = Flask(__name__)

with open("./static/beers.json") as beers_json:
    beer = json.loads(beers_json.read())


@app.route('/')
def hello_world():
    hello_beer = random.choice(list(beer.keys()))
    return render_template('Homepage.jinja2', item=beer[hello_beer])


@app.route('/brewery/<brewery_id>/')
def get_brewery_list(brewery_id):
    return json.dumps(find_beers_from_brewery(brewery_id))


@app.route('/brewery/<brewery_id>/<beer_id>')
def get_beer_details(brewery_id, beer_id):
    beer_result = beer_lookup(brewery_id,beer_id)
    return render_template('beerpage.jinja2', beer_data=beer_result)


def beer_lookup(brewery_id, beer_id):
    item_id = brewery_id + "-" + beer_id
    try:
        beer_result = beer[item_id]
        return beer_result
    except:
        return None


def find_beers_from_brewery(brewery_id):
    pattern = re.compile('^' + brewery_id + '-.*')
    beers =  [value for key, value in beer.items() if pattern.match(key)]
    return beers


if __name__ == '__main__':
    app.run()


class BeerInfo(object):

    def __init__(self, item_json):
        self.parent_style = item_json[1][1]
        self.base_style = item_json[1][0]
        self.name = item_json[0]
        self.abv = item_json[2]


class Brewery(object):
    def __init__(self, id):
        self.id = id
        self.brews = []

    def add_brew(self, brew):
        self.brews.append(brew)