--DO NOT MODIFY THIS FILE, IT IS GENERATED AUTOMATICALLY FROM SOURCES
-- Complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "ALTER EXTENSION cdb_dataservices_server UPDATE TO '0.22.0'" to load this file. \quit


CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_route_with_waypoints(
  username TEXT,
  orgname TEXT,
  waypoints geometry(Point, 4326)[],
  mode TEXT,
  options text[] DEFAULT ARRAY[]::text[],
  units text DEFAULT 'kilometers')
RETURNS cdb_dataservices_server.simple_route AS $$
  import json
  from cartodb_services.mapzen import MapzenRouting, MapzenRoutingResponse
  from cartodb_services.mapzen.types import polyline_to_linestring
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Coordinate
  from cartodb_services.tools import Logger,LoggerConfig

  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
  user_routing_config = GD["user_routing_config_{0}".format(username)]

  plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
  logger_config = GD["logger_config"]
  logger = Logger(logger_config)

  quota_service = QuotaService(user_routing_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  try:
    client = MapzenRouting(user_routing_config.mapzen_api_key, logger, user_routing_config.mapzen_service_params)

    if not waypoints or len(waypoints) < 2:
      logger.info("Empty origin or destination")
      quota_service.increment_empty_service_use()
      return [None, None, None]

    waypoint_coords = []
    for waypoint in waypoints:
      lat = plpy.execute("SELECT ST_Y('%s') AS lat" % waypoint)[0]['lat']
      lon = plpy.execute("SELECT ST_X('%s') AS lon" % waypoint)[0]['lon']
      waypoint_coords.append(Coordinate(lon,lat))

    resp = client.calculate_route_point_to_point(waypoint_coords, mode, options, units)
    if resp and resp.shape:
      shape_linestring = polyline_to_linestring(resp.shape)
      if shape_linestring:
        quota_service.increment_success_service_use()
        return [shape_linestring, resp.length, resp.duration]
      else:
        quota_service.increment_empty_service_use()
        return [None, None, None]
    else:
      quota_service.increment_empty_service_use()
      return [None, None, None]
  except BaseException as e:
    import sys
    quota_service.increment_failed_service_use()
    logger.error('Error trying to calculate mapzen routing', sys.exc_info(), data={"username": username, "orgname": orgname})
    raise Exception('Error trying to calculate mapzen routing')
  finally:
    quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu SECURITY DEFINER;


CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_here_geocode_street_point(username TEXT, orgname TEXT, searchtext TEXT, city TEXT DEFAULT NULL, state_province TEXT DEFAULT NULL, country TEXT DEFAULT NULL)
RETURNS Geometry AS $$
  from cartodb_services.here import HereMapsGeocoder
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger,LoggerConfig

  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
  user_geocoder_config = GD["user_geocoder_config_{0}".format(username)]

  plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
  logger_config = GD["logger_config"]
  logger = Logger(logger_config)
  # -- Check the quota
  quota_service = QuotaService(user_geocoder_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  try:
    geocoder = HereMapsGeocoder(user_geocoder_config.heremaps_app_id, user_geocoder_config.heremaps_app_code, logger, user_geocoder_config.heremaps_service_params)
    coordinates = geocoder.geocode(searchtext=searchtext, city=city, state=state_province, country=country)
    if coordinates:
      quota_service.increment_success_service_use()
      plan = plpy.prepare("SELECT ST_SetSRID(ST_MakePoint($1, $2), 4326); ", ["double precision", "double precision"])
      point = plpy.execute(plan, [coordinates[0], coordinates[1]], 1)[0]
      return point['st_setsrid']
    else:
      quota_service.increment_empty_service_use()
      return None
  except BaseException as e:
    import sys
    quota_service.increment_failed_service_use()
    logger.error('Error trying to geocode street point using here maps', sys.exc_info(), data={"username": username, "orgname": orgname})
    raise Exception('Error trying to geocode street point using here maps')
  finally:
    quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;


CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_geocode_street_point(username TEXT, orgname TEXT, searchtext TEXT, city TEXT DEFAULT NULL, state_province TEXT DEFAULT NULL, country TEXT DEFAULT NULL)
RETURNS Geometry AS $$
  import cartodb_services
  cartodb_services.init(plpy, GD)
  from cartodb_services.mapzen import MapzenGeocoder
  from cartodb_services.mapzen.types import country_to_iso3
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger
  from cartodb_services.refactor.tools.logger import LoggerConfigBuilder
  from cartodb_services.refactor.service.mapzen_geocoder_config import MapzenGeocoderConfigBuilder
  from cartodb_services.refactor.core.environment import ServerEnvironmentBuilder
  from cartodb_services.refactor.backend.server_config import ServerConfigBackendFactory
  from cartodb_services.refactor.backend.user_config import UserConfigBackendFactory
  from cartodb_services.refactor.backend.org_config import OrgConfigBackendFactory
  from cartodb_services.refactor.backend.redis_metrics_connection import RedisMetricsConnectionFactory

  server_config_backend = ServerConfigBackendFactory().get()
  environment = ServerEnvironmentBuilder(server_config_backend).get()
  user_config_backend = UserConfigBackendFactory(username, environment, server_config_backend).get()
  org_config_backend = OrgConfigBackendFactory(orgname, environment, server_config_backend).get()

  logger_config = LoggerConfigBuilder(environment, server_config_backend).get()
  logger = Logger(logger_config)

  mapzen_geocoder_config = MapzenGeocoderConfigBuilder(server_config_backend, user_config_backend, org_config_backend, username, orgname).get()

  redis_metrics_connection = RedisMetricsConnectionFactory(environment, server_config_backend).get()

  quota_service = QuotaService(mapzen_geocoder_config, redis_metrics_connection)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  try:
    geocoder = MapzenGeocoder(mapzen_geocoder_config.mapzen_api_key, logger, mapzen_geocoder_config.service_params)
    country_iso3 = None
    if country:
      country_iso3 = country_to_iso3(country)
    coordinates = geocoder.geocode(searchtext=searchtext, city=city,
                                   state_province=state_province,
                                   country=country_iso3, search_type='address')
    if coordinates:
      quota_service.increment_success_service_use()
      plan = plpy.prepare("SELECT ST_SetSRID(ST_MakePoint($1, $2), 4326); ", ["double precision", "double precision"])
      point = plpy.execute(plan, [coordinates[0], coordinates[1]], 1)[0]
      return point['st_setsrid']
    else:
      quota_service.increment_empty_service_use()
      return None
  except BaseException as e:
    import sys
    quota_service.increment_failed_service_use()
    logger.error('Error trying to geocode street point using mapzen', sys.exc_info(), data={"username": username, "orgname": orgname})
    raise Exception('Error trying to geocode street point using mapzen')
  finally:
    quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;


CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_isodistance(
   username TEXT,
   orgname TEXT,
   source geometry(Geometry, 4326),
   mode TEXT,
   data_range integer[],
   options text[])
RETURNS SETOF cdb_dataservices_server.isoline AS $$
  import json
  from cartodb_services.mapzen import MatrixClient, MapzenIsolines
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger,LoggerConfig

  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
  user_isolines_routing_config = GD["user_isolines_routing_config_{0}".format(username)]

  plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
  logger_config = GD["logger_config"]
  logger = Logger(logger_config)
  quota_service = QuotaService(user_isolines_routing_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  try:
    client = MatrixClient(user_isolines_routing_config.mapzen_matrix_api_key, logger, user_isolines_routing_config.mapzen_matrix_service_params)
    mapzen_isolines = MapzenIsolines(client, logger)

    if source:
      lat = plpy.execute("SELECT ST_Y('%s') AS lat" % source)[0]['lat']
      lon = plpy.execute("SELECT ST_X('%s') AS lon" % source)[0]['lon']
      origin = {'lat': lat, 'lon': lon}
    else:
      raise Exception('source is NULL')

    # -- TODO Support options properly
    isolines = {}
    for r in data_range:
        isoline = mapzen_isolines.calculate_isodistance(origin, mode, r)
        isolines[r] = isoline

    result = []
    for r in data_range:

      if len(isolines[r]) >= 3:
        # -- TODO encapsulate this block into a func/method
        locations = isolines[r] + [ isolines[r][0] ] # close the polygon repeating the first point
        wkt_coordinates = ','.join(["%f %f" % (l['lon'], l['lat']) for l in locations])
        sql = "SELECT ST_MPolyFromText('MULTIPOLYGON((({0})))', 4326) as geom".format(wkt_coordinates)
        multipolygon = plpy.execute(sql, 1)[0]['geom']
      else:
        multipolygon = None

      result.append([source, r, multipolygon])

    quota_service.increment_success_service_use()
    quota_service.increment_isolines_service_use(len(isolines))
    return result
  except BaseException as e:
    import sys
    quota_service.increment_failed_service_use()
    logger.error('Error trying to get mapzen isolines', sys.exc_info(), data={"username": username, "orgname": orgname})
    raise Exception('Error trying to get mapzen isolines')
  finally:
    quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu SECURITY DEFINER;


CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_isochrones(
   username TEXT,
   orgname TEXT,
   source geometry(Geometry, 4326),
   mode TEXT,
   data_range integer[],
   options text[])
RETURNS SETOF cdb_dataservices_server.isoline AS $$
  import json
  from cartodb_services.mapzen import MatrixClient, MapzenIsochrones
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger,LoggerConfig
  from cartodb_services.mapzen.types import coordinates_to_polygon

  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
  user_isolines_routing_config = GD["user_isolines_routing_config_{0}".format(username)]

  plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
  logger_config = GD["logger_config"]
  logger = Logger(logger_config)
  # -- Check the quota
  quota_service = QuotaService(user_isolines_routing_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  try:
    mapzen_isochrones = MapzenIsochrones(user_isolines_routing_config.mapzen_matrix_api_key,
                                         logger, user_isolines_routing_config.mapzen_isochrones_service_params)

    if source:
      lat = plpy.execute("SELECT ST_Y('%s') AS lat" % source)[0]['lat']
      lon = plpy.execute("SELECT ST_X('%s') AS lon" % source)[0]['lon']
      origin = {'lat': lat, 'lon': lon}
    else:
      raise Exception('source is NULL')

    resp = mapzen_isochrones.isochrone(origin, mode, data_range)

    if resp:
      result = []
      for isochrone in resp:
        result_polygon = coordinates_to_polygon(isochrone.coordinates)
        if result_polygon:
          quota_service.increment_success_service_use()
          result.append([source, isochrone.duration, result_polygon])
        else:
          quota_service.increment_empty_service_use()
          result.append([source, isochrone.duration, None])
      quota_service.increment_success_service_use()
      quota_service.increment_isolines_service_use(len(result))
      return result
    else:
      quota_service.increment_empty_service_use()
      return []
  except BaseException as e:
    import sys
    quota_service.increment_failed_service_use()
    logger.error('Error trying to get mapzen isochrones', sys.exc_info(), data={"username": username, "orgname": orgname})
    raise Exception('Error trying to get mapzen isochrones')
  finally:
    quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu SECURITY DEFINER;
