import csv
import json

node_names = set()
edges = []

libraries = {}
locations = {}
with open("data/locaties.csv") as fp:
    reader = csv.DictReader(fp, delimiter=";")
    for item in reader:
        locatie = item['Locatie'].split(',')
        try:
            lat, lon = locatie
        except ValueError as e:
            lat, lon = None, None
        library = {
            'name': item['Library Name'],
            'code': item['Library Code'],
            'adres': item['Adres'],
            'lat': lat,
            'lon': lon,
        }
        location = {
            'location': item['Location Name'],
            'code': item['Location Code'],
            'library': library
        }

        libraries[library['name']] = library
        locations[location['code']] = location


with open("data/requests.csv") as fp:
    reader = csv.DictReader(fp, delimiter=";")
    for item in reader:
        node_names.add(item['Owning Library Name'])
        node_names.add(item['Pickup Location'])
        edges.append(item)


nodes = [{'name': n} for n in node_names]

print(f"{len(nodes)} nodes, {len(edges)} edges")

data = {
    'nodes': list(libraries.values()), #nodes,
    'edges': edges
}

fn = 'data/parsed_requests.json'
with open(fn, 'w') as fp:
    json.dump(data, fp)

print(f"Written to {fn}")