import { FastifyInstance } from 'fastify';
// import { AMENITIES, OverpassService } from '../services/overpass';
import { OverpassQuerySchema, OverpassQueryType } from '../schemas/overpass';
import db from '../../db';

// const overpassService = new OverpassService();

export default async function (fastify: FastifyInstance) {

  fastify.get<{ Querystring: OverpassQueryType }>('/blakus', {
    schema: {
      querystring: OverpassQuerySchema,
      response: {
        200: {
          type: 'array',
          items: {
            type: 'object',
            properties: {
              id: { type: 'string' },
              title: { type: 'string' },
              amenity: { type: 'string' },
              coords: {
                type: 'object',
                properties: {
                  lat: { type: 'number' },
                  lon: { type: 'number' }
                }
              },
              affinity: { type: 'number' },
              // tags: { type: 'object', additionalProperties: true }
            }
          }
        }
      }
    },
    config: {
      // serverCache: { ttl: 1 * 60 * 1000 }
    }
  }, async function (request, reply) {
    const {lat, lon} = request.query;

    const knownPlaces = await db.select(
      'id',
      'name',
      'externalId',
      db.raw('ST_Y(coordinates::geometry) AS lat'),
      db.raw('ST_X(coordinates::geometry) AS lon')
    ).whereRaw(
      'ST_DWithin(coordinates, ST_SetSRID(ST_MakePoint(?, ?), 4326), ?)',
      [lon, lat, 2000]
    ).from('places');

    // const externalIds = await db.select('externalId').from('places').where('externalId', 'like', 'osm:%');

    // console.log(externalIds);

    // overpassService.getAmenitiesAroundLocation({
    //   radius: 1000,
    //   coords: { lat, lon },
    //   amenities: AMENITIES.Sustanance
    // }).then(result => {

    //   const insertItems = result
    //     .filter(node => {
    //       if (!node.title || !node.coords) return false;
    //       return !externalIds.some(({ externalId }) => externalId === `osm:${node.id}`);
    //     })
    //     .map(node => ({
    //       name: node.title,
    //       externalId: `osm:${node.id}`,
    //       coordinates: db.raw('ST_SetSRID(ST_MakePoint(?, ?), 4326)', [node.coords.lon, node.coords.lat])
    //     }));

    //   if (insertItems.length) db('places').insert(insertItems).then((success) => console.log({success}), (error) => console.log({error}));

    // });

    const blakus = knownPlaces.map(place => ({
      id: place.id,
      title: place.name,
      amenity: 'pub',
      coords: {
        lat: place.lat,
        lon: place.lon,
      },
      affinity: Math.floor(Math.random() * 101) // TODO: this is just a placeholder for "affinity" calculation
    }));

    reply.send(blakus);
  });
}