import json

import algorithms
import store
from lib import run_server, get, post, read_html


@get('/')
def index():
    return read_html('templates/index.html')


@get('/show-area')
def show_area():
    all = dict()
    for (k, node) in enumerate(store.select_nodes_in_rectangle(store.extract_osm_nodes("university.osm"), 58.3984, 58.3990, 15.5733, 15.576)):
        all[node.id] = node.coord_tuple()
    return json.dumps(all)


@post('/shortest-path')
def shortest_path(body):
    body = json.loads(body)
    source_id = algorithms.get_closest_node_id(store.nodes, store.Node(-1, body['lat1'], body['lng1']))
    target_id = algorithms.get_closest_node_id(store.nodes, store.Node(-1, body['lat2'], body['lng2']))
    print(source_id, target_id)
    source_node = store.nodes[source_id]
    target_node = store.nodes[target_id]
    path = [(source_node.lat, source_node.lng), (target_node.lat, target_node.lng)]
    response = {'path': path}
    return json.dumps(response)


run_server()