import {FeatureCollection} from '@turf/helpers';

export type StoreType = 'postgis' | 'geojson';

export interface Store {
  type: StoreType;
}

export interface GeoJSONStore extends Store {
  type : 'geojson';
  path: string;
}

export interface PostgisStore extends Store {
  type : 'postgis';
  host: string;
  port: number;
  user: string;
  password: string;
  database: string;
}

export interface FeatureTypeConfig<T extends GeoJSONStore | PostgisStore> {
  name? : string;
  store: T;// GeoJSONStore | PostgisStore;
}

export interface SourceFeatureTypeConfig {
  geometryId: string|number;
}

export interface TargetFeatureTypeConfig {
  horizontalTimestampColumns?: boolean; // default is false
  createGeometry?: boolean;  // default is: true
  storeZeroValues?: boolean; // default is true
  computeValuePerArea?: boolean; // default is false
  transformToWebmercator? :boolean; // default is false
}

export interface GeoJSONFeatureTypeConfig extends FeatureTypeConfig<GeoJSONStore> {
  // store: GeoJSONStore;
}

export interface PostgisFeatureTypeConfig extends FeatureTypeConfig<PostgisStore> {
  name: string;
  // store: PostgisStore;
  schema?: string; // default is: public
  geometryColumn: string;
}



export interface SourceGeoJSONFeatureTypeConfig extends GeoJSONFeatureTypeConfig, SourceFeatureTypeConfig {}
export interface SourcePostgisFeatureTypeConfig extends PostgisFeatureTypeConfig, SourceFeatureTypeConfig {
  fetchSize?: number; // default is 0 ( -> compute all in one )
  cursor?: number | string;
}
export interface TargetGeoJSONFeatureTypeConfig extends GeoJSONFeatureTypeConfig, TargetFeatureTypeConfig {}
export interface TargetPostgisFeatureTypeConfig extends PostgisFeatureTypeConfig, TargetFeatureTypeConfig {
  createIndexes?: boolean;
}


export type OhsomeQueryConfigTypes = 'node' | 'way' | 'relation' | 'node,way' | 'node,relation' | 'way,relation' | 'node,way,relation' | 'point' | 'line' | 'polygon' | 'point,line' | 'point,polygon' | 'line,polygon' | 'point,line,polygon' | '';

export type OhsomeQueryConfigFormat = 'json' | 'csv' | undefined;

export interface OhsomeQueryConfig {
  queryType: string; // e.g. elements/count for elements/count/groupBy/boundary
  keys?: string;      // comma seperated values e.g.['highway','maxspeed'].join(),
  values?: string;    // comma seperated values e.g. ['','50'].join(),
  types: OhsomeQueryConfigTypes;
  time: string;     // e.g. ISO8601 start/end/interval_period '2015-01-01/2017-01-01/P1Y'
  bpolys?: FeatureCollection | string;
  bboxes?: string;
  bcircles?: string;
  format?: OhsomeQueryConfigFormat; // default is 'csv'. Others are 'json' | ('geojson' -> not yet supported)
  showMetadata?: boolean;
}

export interface Ohsome2XConfig {
  ohsomeApiUrl?: string;
  source: SourceGeoJSONFeatureTypeConfig | SourcePostgisFeatureTypeConfig;
  target: TargetGeoJSONFeatureTypeConfig | TargetPostgisFeatureTypeConfig;
  ohsomeQuery: OhsomeQueryConfig;
}