syntax = "proto3";

package weather;

option go_package = "codeberg.org/andyscott/OpenWeather-gRPC-API/proto";

/* Get the latitude and longitude for a given location
 * Commented parameters in the message definition are not implemeneted yet
 * location_type {LocationType} - name or value of the desired LocationType enum
 * location {OneOfLocation} - city name, zip code, or coordinates
 */
message RequestLocation {
  LocationType location_type = 1;
  OneOfLocation location = 2;
}

// Response to RequestLocation
message SendLocation {
  float latitude = 1;
  float longitude = 2;
}

// Sub-message for OneOfLocation
// Used to specify actual coordinates for the desired location
message Coordinates {
  float latitude = 1;
  float longitude = 2;
}

// Sub-message for RequestLocation, RequestCurrent, and RequestFiveDay
// Used to specify the desired location: city, zip code, or coordinates.
message OneOfLocation {
  oneof location_id {
    string city = 1;
    string zip_code = 2;
    Coordinates coords = 3; 
  }
}

/* Enum to specify the location type for which data is needed.
 * Helps the API find info for the correct location. If unspecified, an
 * attept is still made. However, results may be inaccurate if city is used,
 * or fail entirely if zip code or coordinates are used.
 */
enum LocationType {
  LOCATION_TYPE_UNSPECIFIED = 0;
  LOCATION_TYPE_CITY = 1;
  LOCATION_TYPE_ZIP_CODE = 2;
  LOCATION_TYPE_COORDS = 3;
}