#' Teeregistri WFS ja maaameti andmete põhjal oma teeandmete 'minu_teed' loomine
#'
#' 1. Põhi-, kõrval ja tugimaanteedest ning rambid moodustatakse uus andmebaas 'riigiteedevork'.
#' 2. Ilma teenumbrita kohalike teede andmebaasi 'numbrita_kohalik_tee' loomine.
#' 3. Eesti kaart ainult suurte saartega (üle 10km2).
#' 4. Polügoniseerime riigiteedevõrgu.
#' Eesti avaandmete \url{https://avaandmed.eesti.ee/datasets?emsId=35} teabevärava kaudu teederegistri WFS (Web Feature Service) andmete eksportimine postgisandmebaasi. WFS andmestiku kirjeldus: \url{https://teeregister-api.mnt.ee/teenus/wfs?request=GetCapabilities&service=WFS}
#'
#' @param conf A list() of configuration variables. Default values \code{\link[ruut]{get_config}}.
#' @return No output.
#' @seealso [ruut::get_config()], [ruut::copy_shp_to_db()], [estmap::teeregister_wfs()]
#' @keywords postgis, maps, WFS, OSM
#' @export
#' @examples
#' \dontrun{
#'
#' conf <- ruut::get_config()
#' minu_teed_loomine(conf = conf)
#' }
minu_teed_loomine <- function(conf = NULL) {
  ## ------------- muutujad ja teisendused ---------------
  if (is.null(conf)) {
    conf <- ruut::get_config()
  }
  ## Defineerime ajutised failid ja muutujad.
  tmp_dir <- tempdir() # ajutine kataloog
  obj <- "demo"
  tmp_gpkg_file <- sprintf("%s/%s.gpkg", tmp_dir, obj) # ajutine gpkg fail
  conf$gpkg_home <- tmp_dir
  conf$gpkg_file <- obj
  conf$primary_key <- "id"
  ## Loome lingid gpkg ajutistest tabelitest lugemiseks ja kirjutamiseks
  conf$gpkg_table <- layer_6 <- "test_layer_6"
  tmp_gpkg_file_output_6 <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = F)
  tmp_gpkg_file_input_6 <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = T)
  conf$gpkg_table <- layer_5 <- "test_layer_5"
  tmp_gpkg_file_output_5 <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = F)
  tmp_gpkg_file_input_5 <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = T)
  conf$gpkg_table <- layer_4 <- "test_layer_4"
  tmp_gpkg_file_output_4 <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = F)
  tmp_gpkg_file_input_4 <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = T)
  conf$gpkg_table <- layer_3 <- "test_layer_3"
  tmp_gpkg_file_output_3 <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = F)
  tmp_gpkg_file_input_3 <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = T)
  conf$gpkg_table <- layer_2 <- "test_layer_2"
  tmp_gpkg_file_output_2 <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = F)
  tmp_gpkg_file_input_2 <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = T)
  conf$gpkg_table <- layer_1 <- "test_layer_1"
  tmp_gpkg_file_output_1 <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = F)
  tmp_gpkg_file_input_1 <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = T)



  ## ================= Schema 'minu_teed' ====================
  conf$schema <- "minu_teed"
  ruut::db_create_new_schema(conf = conf)


  ## =================== 2. teedevõrkude loomine =======================
  ## ------------------ 2.1.1 Riigiteed osadena -----------------------
  ## s.o (ilma rampideta) <= 30, koos rampide ja muude riigiteedega <= 45.
  # ruut::qgis_algorithm_search_by_word("extract")
  algorithm <- "native:extractbyattribute"
  # ruut::qgis_show_help(algorithm = algorithm)
  conf$schema <- "eesti"
  conf$table <- "e_501_tee_j"
  input <- ruut::construct_to_gpkg_output_postgres_str(
    conf = conf, geometry_type = "MultiLineString", srid = 3301,
    checkPrimaryKeyUnicity = TRUE, key = "id", geometry_field = "geom"
  )
  output <- tmp_gpkg_file_output_1
  str <- sprintf("{ 'FIELD' : 'tyyp', 'INPUT' : '%s', 'OPERATOR' : 5, 'OUTPUT' : '%s', 'VALUE' : '45' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", output))
  ## 2.1.2 Copy temp gpkg file to postgis.
  conf$schema <- "minu_teed"
  conf$table <- "teedevork_riigiteed_osadena"
  PG <- ruut::construct_ogr2ogr_PG_connect_str(conf = conf)
  cmd <- sprintf("ogr2ogr -progress --config PG_USE_COPY YES -f PostgreSQL %s -lco DIM=2 %s %s -overwrite -nlt %s -lco GEOMETRY_NAME=geom -lco FID=id -nln %s.%s -nlt PROMOTE_TO_MULTI", PG, tmp_gpkg_file, layer_1, "LINESTRING", conf$schema, conf$table)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", conf$table))

  ## ---------------- 2.2.1 Riigiteed tervikuna ------------------
  # ruut::qgis_algorithm_search_by_word("dissolve")
  algorithm <- "native:dissolve"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_1
  output <- tmp_gpkg_file_output_2
  str <- sprintf("{ 'FIELD' : 'tee', 'INPUT' : '%s', 'OUTPUT' : '%s' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  ## 2.2.2 Eemaldame ebavajalikud veerud
  # ruut::qgis_algorithm_search_by_word("retain")
  algorithm <- "native:retainfields"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_2
  output <- tmp_gpkg_file_output_3
  cmd <- sprintf("qgis_process run %s  --FIELDS='tyyp' --FIELDS='tyyp_t' --FIELDS='tee' --FIELDS='nimetus' --INPUT='%s' --OUTPUT='%s' ", algorithm, input, output)
  system(cmd)
  ## 2.2.2 Copy temp gpkg file to postgis.
  conf$schema <- "minu_teed"
  conf$table <- "teedevork_riigiteed"
  PG <- ruut::construct_ogr2ogr_PG_connect_str(conf = conf)
  cmd <- sprintf("ogr2ogr -progress --config PG_USE_COPY YES -f PostgreSQL %s -lco DIM=2 %s %s -overwrite -nlt %s -lco GEOMETRY_NAME=geom -lco FID=id -nln %s.%s -nlt PROMOTE_TO_MULTI", PG, tmp_gpkg_file, layer_3, "MULTILINESTRING", conf$schema, conf$table)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", conf$table))
  ##  2.2.3 Riigiteede alg- ja lõpppunkt ---------------
  # ruut::qgis_algorithm_search_by_word("vertices")
  algorithm <- "native:extractspecificvertices"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_3
  output <- tmp_gpkg_file_output_4
  str <- sprintf("{ 'INPUT' : '%s', 'OUTPUT' : '%s', , 'VERTICES' : \"0,-1\" }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", output))
  ## 2.2.4 Copy temp gpkg file to postgis.
  conf$schema <- "minu_teed"
  conf$table <- "teedevork_riigiteed_p"
  PG <- ruut::construct_ogr2ogr_PG_connect_str(conf = conf)
  cmd <- sprintf("ogr2ogr -progress --config PG_USE_COPY YES -f PostgreSQL %s -lco DIM=2 %s %s -overwrite -nlt %s -lco GEOMETRY_NAME=geom -lco FID=fid -nln %s.%s -nlt PROMOTE_TO_MULTI", PG, tmp_gpkg_file, layer_4, "POINT", conf$schema, conf$table)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", conf$table))


  ## ------------------- 2.4 Muud teed osadena ----------------------
  ## s.o tyyp IN (50,60,).
  ## 2.4.1 Esmalt sorteerime >= 50
  # ruut::qgis_algorithm_search_by_word("extract")
  algorithm <- "native:extractbyattribute"
  # ruut::qgis_show_help(algorithm = algorithm)
  conf$schema <- "eesti"
  conf$table <- "e_501_tee_j"
  input <- ruut::construct_to_gpkg_output_postgres_str(
    conf = conf, geometry_type = "MultiLineString", srid = 3301,
    checkPrimaryKeyUnicity = TRUE, key = "id", geometry_field = "geom"
  )
  output <- tmp_gpkg_file_output_1
  str <- sprintf("{ 'FIELD' : 'tyyp', 'INPUT' : '%s', 'OPERATOR' : 3, 'OUTPUT' : '%s', 'VALUE' : '50' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", output))
  ## 2.4.2 Seejärel sorteerime <= 60
  algorithm <- "native:extractbyattribute"
  input <- tmp_gpkg_file_input_1
  output <- tmp_gpkg_file_output_2
  str <- sprintf("{ 'FIELD' : 'tyyp', 'INPUT' : '%s', 'OPERATOR' : 5, 'OUTPUT' : '%s', 'VALUE' : '60' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", output))

  ## 2.4.3 Eemaldame need muud teed kus 'tee'=NULL (ilma teenumbrita ehk kvartalissisesed).
  algorithm <- "native:extractbyattribute"
  input <- tmp_gpkg_file_input_2
  output <- tmp_gpkg_file_output_3
  str <- sprintf("{ 'FIELD' : 'tee', 'INPUT' : '%s', 'OPERATOR' : 9, 'OUTPUT' : '%s' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", output))
  ## 2.4.4 Copy temp gpkg file to postgis.
  conf$schema <- "minu_teed"
  conf$table <- "teedevork_kt_osadena"
  PG <- ruut::construct_ogr2ogr_PG_connect_str(conf = conf)
  cmd <- sprintf("ogr2ogr -progress --config PG_USE_COPY YES -f PostgreSQL %s -lco DIM=2 %s %s -overwrite -nlt %s -lco GEOMETRY_NAME=geom -lco FID=id -nln %s.%s -nlt PROMOTE_TO_MULTI", PG, tmp_gpkg_file, layer_3, "LINESTRING", conf$schema, conf$table)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", conf$table))
  ## 2.4.5 Ühendame sama teenumbriga muud teed
  # ruut::qgis_algorithm_search_by_word("dissolve")
  algorithm <- "native:dissolve"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_3
  output <- tmp_gpkg_file_output_4
  str <- sprintf("{ 'FIELD' : 'tee', 'INPUT' : '%s', 'OUTPUT' : '%s' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  ## 2.4.6 Eemaldame ebavajalikud veerud
  # ruut::qgis_algorithm_search_by_word("retain")
  algorithm <- "native:retainfields"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_4
  output <- tmp_gpkg_file_output_5
  cmd <- sprintf("qgis_process run %s  --FIELDS='tyyp' --FIELDS='tyyp_t' --FIELDS='tee' --FIELDS='nimetus' --INPUT='%s' --OUTPUT='%s' ", algorithm, input, output)
  system(cmd)
  ## 2.4.7 Copy temp gpkg file to postgis.
  conf$schema <- "minu_teed"
  conf$table <- "teedevork_kt"
  PG <- ruut::construct_ogr2ogr_PG_connect_str(conf = conf)
  cmd <- sprintf("ogr2ogr -progress --config PG_USE_COPY YES -f PostgreSQL %s -lco DIM=2 %s %s -overwrite -nlt %s -lco GEOMETRY_NAME=geom -lco FID=id -nln %s.%s -nlt PROMOTE_TO_MULTI", PG, tmp_gpkg_file, layer_5, "MULTILINESTRING", conf$schema, conf$table)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", conf$table))
  ## 2.4.8 Muude teede alg- ja lõpppunkt
  # ruut::qgis_algorithm_search_by_word("vertices")
  algorithm <- "native:extractspecificvertices"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_5
  output <- tmp_gpkg_file_output_6
  str <- sprintf("{ 'INPUT' : '%s', 'OUTPUT' : '%s', , 'VERTICES' : \"0,-1\" }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", output))
  ## 2.4.9 Copy temp gpkg file to postgis.
  conf$schema <- "minu_teed"
  conf$table <- "teedevork_kt_p"
  PG <- ruut::construct_ogr2ogr_PG_connect_str(conf = conf)
  cmd <- sprintf("ogr2ogr -progress --config PG_USE_COPY YES -f PostgreSQL %s -lco DIM=2 %s %s -overwrite -nlt %s -lco GEOMETRY_NAME=geom -lco FID=fid -nln %s.%s -nlt PROMOTE_TO_MULTI", PG, tmp_gpkg_file, layer_6, "POINT", conf$schema, conf$table)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", conf$table))


  ## 2.5.1 Leiame need muud teed kus 'tee'=NULL (ilma teenumbrita ehk kvartalissisesed).
  algorithm <- "native:extractbyattribute"
  input <- tmp_gpkg_file_input_2
  output <- tmp_gpkg_file_output_3
  str <- sprintf("{ 'FIELD' : 'tee', 'INPUT' : '%s', 'OPERATOR' : 8, 'OUTPUT' : '%s' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", output))
  ## 2.5.2 Eemaldame ebavajalikud veerud
  # ruut::qgis_algorithm_search_by_word("retain")
  algorithm <- "native:retainfields"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_3
  output <- tmp_gpkg_file_output_4
  cmd <- sprintf("qgis_process run %s  --FIELDS='tyyp' --FIELDS='tyyp_t' --FIELDS='tee' --FIELDS='nimetus' --INPUT='%s' --OUTPUT='%s' ", algorithm, input, output)
  system(cmd)
  ## 2.5.3 Copy temp gpkg file to postgis.
  conf$schema <- "minu_teed"
  conf$table <- "teedevork_kt_numbrita"
  PG <- ruut::construct_ogr2ogr_PG_connect_str(conf = conf)
  cmd <- sprintf("ogr2ogr -progress --config PG_USE_COPY YES -f PostgreSQL %s -lco DIM=2 %s %s -overwrite -nlt %s -lco GEOMETRY_NAME=geom -lco FID=id -nln %s.%s -nlt PROMOTE_TO_MULTI", PG, tmp_gpkg_file, layer_4, "LINESTRING", conf$schema, conf$table)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", conf$table))
  ## 2.5.3 Nimeta teede alg- ja lõpppunkt
  # ruut::qgis_algorithm_search_by_word("vertices")
  algorithm <- "native:extractspecificvertices"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_4
  output <- tmp_gpkg_file_output_5
  str <- sprintf("{ 'INPUT' : '%s', 'OUTPUT' : '%s', , 'VERTICES' : \"0,-1\" }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", output))
  ## 2.4.9 Copy temp gpkg file to postgis.
  conf$schema <- "minu_teed"
  conf$table <- "teedevork_kt_numbrita_p"
  PG <- ruut::construct_ogr2ogr_PG_connect_str(conf = conf)
  cmd <- sprintf("ogr2ogr -progress --config PG_USE_COPY YES -f PostgreSQL %s -lco DIM=2 %s %s -overwrite -nlt %s -lco GEOMETRY_NAME=geom -lco FID=fid -nln %s.%s -nlt PROMOTE_TO_MULTI", PG, tmp_gpkg_file, layer_5, "POINT", conf$schema, conf$table)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", conf$table))


  ## =================== 3. 'eesti' =======================
  ## 3.1 Maakondadest Eesti maismaapiir
  # ruut::qgis_algorithm_search_by_word("dissolve")
  algorithm <- "native:dissolve"
  # ruut::qgis_show_help(algorithm = algorithm)
  conf$schema <- "maaamet"
  conf$table <- "maakond"
  input <- ruut::construct_to_gpkg_output_postgres_str(
    conf = conf, geometry_type = "MultiPolygon", srid = 3301,
    checkPrimaryKeyUnicity = TRUE, key = "id", geometry_field = "geom"
  )
  output <- tmp_gpkg_file_output_1
  str <- sprintf("{ 'FIELD' : [], 'INPUT' : '%s', 'OUTPUT' : '%s' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  ## 3.2 Kustutame ebaolulised väljad
  # ruut::qgis_algorithm_search_by_word("delete")
  algorithm <- "native:deletecolumn"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_1
  output <- tmp_gpkg_file_output_2
  cmd <- sprintf("qgis_process run %s  --COLUMN='mnimi' --COLUMN='mkood' --COLUMN='fid' --INPUT='%s' --OUTPUT='%s' ", algorithm, input, output)
  system(cmd)
  ## 3.3 Jaotame multipart polügooni singlepart polügoonideks.
  # ruut::qgis_algorithm_search_by_word("multipart")
  algorithm <- "native:multiparttosingleparts"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_2
  output <- tmp_gpkg_file_output_3
  str <- sprintf("{ 'INPUT' : '%s', 'OUTPUT' : '%s' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  ## 3.4 Lisame pindade pindalad ja perimeetri
  # ruut::qgis_algorithm_search_by_word("columns")
  algorithm <- "qgis:exportaddgeometrycolumns"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_3
  output <- tmp_gpkg_file_output_4
  str <- sprintf("{ 'CALC_METHOD' : 0, 'INPUT' : '%s', 'OUTPUT' : '%s' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)

  ## 3.5 Eemaldame objektid mille pindala on väiksem kui 10km2 (väikesaared)
  # ruut::qgis_algorithm_search_by_word("extract")
  algorithm <- "native:extractbyattribute"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_4
  output <- tmp_gpkg_file_output_5
  str <- sprintf("{ 'FIELD' : 'area', 'OPERATOR' : 2, 'VALUE' : '10000000', 'INPUT' : '%s', 'OUTPUT' : '%s' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  ## 3.6 Eemaldame augud, mis on suuremad kui 1ha.
  # ruut::qgis_algorithm_search_by_word("holes")
  algorithm <- "native:deleteholes"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_5
  output <- tmp_gpkg_file_output_6
  str <- sprintf("{ 'MIN_AREA' : '10000', 'INPUT' : '%s', 'OUTPUT' : '%s' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  ## 3.7 Copy temp gpkg file to postgis.
  conf$schema <- "minu_teed"
  conf$table <- "eesti"
  PG <- ruut::construct_ogr2ogr_PG_connect_str(conf = conf)
  cmd <- sprintf("ogr2ogr -progress --config PG_USE_COPY YES -f PostgreSQL %s -lco DIM=2 %s %s -overwrite -nlt %s -lco GEOMETRY_NAME=geom -lco FID=fid -nln %s.%s -nlt PROMOTE_TO_MULTI", PG, tmp_gpkg_file, layer_6, "MULTIPOLYGON", conf$schema, conf$table)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", conf$table))


  ## ------------------ Teedevõrgu polügoniseerimine ------------------
  ## 4.1 Teisendame eesti polügooni joonteks.
  # ruut::qgis_algorithm_search_by_word("lines")
  algorithm <- "native:polygonstolines"
  # ruut::qgis_show_help(algorithm = algorithm)
  conf$schema <- "minu_teed"
  conf$table <- "eesti"
  input <- ruut::construct_to_gpkg_output_postgres_str(
    conf = conf, geometry_type = "Polygon", srid = 3301,
    checkPrimaryKeyUnicity = TRUE, key = "fid", geometry_field = "geom"
  )
  output <- tmp_gpkg_file_output_1
  str <- sprintf("{ 'INPUT' : '%s', 'OUTPUT' : '%s' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  ## 4.2 Eemaldame riigiteedest rambid.
  algorithm <- "native:extractbyattribute"
  # ruut::qgis_show_help(algorithm = algorithm)
  conf$schema <- "minu_teed"
  conf$table <- "teedevork_riigiteed"
  input <- ruut::construct_to_gpkg_output_postgres_str(
    conf = conf, geometry_type = "MultiLineString", srid = 3301,
    checkPrimaryKeyUnicity = TRUE, key = "id_0", geometry_field = "geom"
  )
  output <- tmp_gpkg_file_output_2
  str <- sprintf("{ 'FIELD' : 'tyyp', 'INPUT' : '%s', 'OPERATOR' : 5, 'OUTPUT' : '%s', 'VALUE' : '30' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", output))
  ## 4.3 Enne polügoniseerimist ühendame eesti kontuuri ja teedevõrgu üheks.
  # ruut::qgis_algorithm_search_by_word("merge")
  algorithm <- "native:mergevectorlayers"
  # ruut::qgis_show_help(algorithm = algorithm)
  layer_1 <- tmp_gpkg_file_input_1
  layer_2 <- tmp_gpkg_file_input_2
  output <- tmp_gpkg_file_output_3
  cmd <- sprintf(
    "qgis_process run native:mergevectorlayers --CRS='epsg:3301' --LAYERS='%s' --LAYERS='%s' --OUTPUT='%s' ",
    layer_1, layer_2, output
  )
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", output))
  ## 4.4 Polügoniseerime saadud riigiteedevõrgu. Tekib teedega piiratud polügoonid.
  # ruut::qgis_algorithm_search_by_word("Polygonize")
  algorithm <- "native:polygonize"
  # ruut::qgis_show_help(algorithm = algorithm)
  input <- tmp_gpkg_file_input_3
  output <- tmp_gpkg_file_output_4
  str <- sprintf("{ 'INPUT' : '%s', 'KEEP_FIELDS' : False, 'OUTPUT' : '%s' }", input, output)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
  ## 4.5 Copy temp gpkg file to postgis.
  conf$schema <- "minu_teed"
  conf$table <- "teedevork_riigiteed_a"
  PG <- ruut::construct_ogr2ogr_PG_connect_str(conf = conf)
  cmd <- sprintf("ogr2ogr -progress --config PG_USE_COPY YES -f PostgreSQL %s -lco DIM=2 %s %s -overwrite -nlt %s -lco GEOMETRY_NAME=geom -lco FID=fid -nln %s.%s -nlt PROMOTE_TO_MULTI", PG, tmp_gpkg_file, layer_4, "MULTIPOLYGON", conf$schema, conf$table)
  system(cmd)
  cat(sprintf("\n-------------\nLoodi andmebaas '%s'.\n", conf$table))




  ## =================== !!!!!!!!!!!!!! POOLELI !!!!!!!!!!!! =======================

  ## 4.2 Lõikame Eesti kaardist polügoniseerime riigiteedevõrgu välja.
  ## Tekib ümber Eesti raam, mis tuleb jagada kuidagi transporditsoonideks.
  # ruut::qgis_algorithm_search_by_word("Difference")
  algorithm <- "native:difference"
  # ruut::qgis_show_help(algorithm = algorithm)
  conf$schema <- "minu_teed"
  conf$table <- "eesti"
  input <- ruut::construct_to_gpkg_output_postgres_str(
    conf = conf, geometry_type = "Polygon", srid = 3301,
    checkPrimaryKeyUnicity = TRUE, key = "fid", geometry_field = "geom"
  )
  conf$schema <- "minu_teed"
  conf$table <- "riigiteedevork_a"
  overlay <- ruut::construct_to_gpkg_output_postgres_str(
    conf = conf, geometry_type = "Polygon", srid = 3301,
    checkPrimaryKeyUnicity = TRUE, key = "fid", geometry_field = "geom"
  )
  conf$schema <- "minu_teed"
  conf$table <- "riigiteedevork_xxx"
  output <- ruut::construct_to_gpkg_output_postgres_str(
    conf = conf, geometry_field = "geom", key = "fid"
  )
  str <- sprintf("{ 'INPUT' : '%s', 'OUTPUT' : '%s', 'OVERLAY' : '%s' }", input, output, overlay)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)

  "Processing algorithm…
Algorithm 'Intersection' starting…
Input parameters:
{ 'INPUT' : 'postgres://dbname=\'data\' host=localhost port=6432 user=\'osm\' sslmode=disable authcfg=0i30k14 key=\'fid\' srid=3301 type=MultiLineString checkPrimaryKeyUnicity=\'1\' table=\"minu_teed\".\"riigiteedevork\" (geom)', 'INPUT_FIELDS' : [], 'OUTPUT' : 'TEMPORARY_OUTPUT', 'OVERLAY' : 'postgres://dbname=\'data\' host=localhost port=6432 user=\'osm\' sslmode=disable authcfg=0i30k14 key=\'id_0\' srid=3301 type=MultiPolygon checkPrimaryKeyUnicity=\'1\' table=\"minu_teed\".\"riigiteedevork_xxx\" (geom)', 'OVERLAY_FIELDS' : [], 'OVERLAY_FIELDS_PREFIX' : '' }"

  ## 4.3 Kuna polügoniseeritud pinnad ei olnud täiuslikud, siis teostame
  ## polügoniseeriist veelkorra. Selleks lõikame esmalt teedevõrgust
  ## tekkinud raamiga need teed mis jäävad raamis sisse.
  # ruut::qgis_algorithm_search_by_word("Intersection")
  algorithm <- "native:intersection"
  # ruut::qgis_show_help(algorithm = algorithm)
  conf$schema <- "minu_teed"
  conf$table <- "riigiteedevork"
  input <- ruut::construct_to_gpkg_output_postgres_str(
    conf = conf, geometry_type = "MultiLineString", srid = 3301,
    checkPrimaryKeyUnicity = TRUE, key = "fid", geometry_field = "geom"
  )
  conf$schema <- "minu_teed"
  conf$table <- "riigiteedevork_xxx"
  overlay <- ruut::construct_to_gpkg_output_postgres_str(
    conf = conf, geometry_type = "MultiPolygon", srid = 3301,
    checkPrimaryKeyUnicity = TRUE, key = "fid", geometry_field = "geom"
  )
  conf$schema <- "minu_teed"
  conf$table <- "riigiteedevork_xxx1"
  output <- ruut::construct_to_gpkg_output_postgres_str(
    conf = conf, geometry_field = "geom"
  )
  str <- sprintf("{ 'INPUT' : '%s', 'INPUT_FIELDS' : [], 'OUTPUT' : '%s', 'OVERLAY' : '%s', 'OVERLAY_FIELDS' : [], 'OVERLAY_FIELDS_PREFIX' : '' }", input, output, overlay)
  cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
  system(cmd)
}