import { CELL_SIZE, MAP_H, MAP_W, indexOf } from "./mapUtils.js";
import { generateTerrainAndRivers } from "./mapTerrain.js";
import { generateMapFeatures } from "./mapFeatures.js";
import { finishMapOutput } from "./mapOutput.js";
import { generateAdminLayout } from "./mapAdminStage.js";

export { CELL_SIZE, MAP_H, MAP_W, indexOf } from "./mapUtils.js";

export function generateMap(seedInput = 114514, options = {}) {
  const seed = Number(seedInput) >>> 0;

  const terrain = generateTerrainAndRivers(seed);
  const {
    terrainTemplate,
    elevation,
    moisture,
    slope,
    sea,
    ocean,
    lake,
    river,
    floodplain,
    plain,
    agriculture,
    ridgeField,
    valleyField,
    basinField,
    coastalLowland,
    flowAccum,
    erosionField,
    depositionField,
    arcSpineField,
    branchRidgeField,
    depositionalLowland,
    alluvialFanField,
    deltaField,
    naturalBarrierScore,
    portSuitability,
    crossingSuitability,
    passSuitability,
    prefectureMask,
    prefectureBorder,
    prefectureRegionId,
    regionalDebug,
    terrainDebug,
    regionalPrefectureBorders,
    riverPaths,
    mainRivers,
    tributaryRivers,
    smallStreams,
  } = terrain;

  const features = generateMapFeatures(seed, terrain);
  const {
    ports, crossings, passes, settlementCluster, settlementScore, villages, markets, castles, premodernRoads, minorRoads, castleTowns, modernCities, populationDensity,
    railways, branchRailways, ringRailways, externalRailways, stations, industrialZones, nationalRoads, ringRoads, expressways, ringExpressways, icAccessRoads, externalRoads, externalExpressways,
    interchanges, logisticsParks, satelliteCities, newTowns, landuse, stationInfluence, roadInfluence, railInfluence2, villageInfluence, externalGateways, cityPopulationCap, transportDebug,
  } = features;

  const { adminCentersRaw, adminId, adminBorders, adminDebug } = generateAdminLayout({
    seed, prefectureMask, sea, elevation, slope, river, ridgeField, naturalBarrierScore, valleyField, basinField, coastalLowland, flowAccum, plain, agriculture,
    settlementScore, populationDensity, stationInfluence, roadInfluence, railInfluence2, villageInfluence, landuse, modernCities, satelliteCities, newTowns, markets, villages, ports, stations, industrialZones, logisticsParks,
  });

  return finishMapOutput({
    seed, options, terrainTemplate, cityPopulationCap, stationInfluence, roadInfluence, railInfluence2,
    elevation, moisture, slope, sea, ocean, lake, river, floodplain, plain, agriculture, settlementCluster, ridgeField, valleyField, basinField, coastalLowland, flowAccum, erosionField, depositionField,
    arcSpineField, branchRidgeField, depositionalLowland, alluvialFanField, deltaField, naturalBarrierScore,
    villages, ports, crossings, passes, markets, castles, castleTowns, premodernRoads, minorRoads, modernCities, populationDensity,
    railways, branchRailways, ringRailways, externalRailways, stations, industrialZones, nationalRoads, ringRoads, expressways, ringExpressways, icAccessRoads, externalRoads, externalExpressways,
    interchanges, logisticsParks, satelliteCities, newTowns, landuse, adminCentersRaw, adminId, adminBorders, adminDebug,
    riverPaths, mainRivers, tributaryRivers, smallStreams, externalGateways, prefectureMask, prefectureBorder, prefectureRegionId, regionalPrefectureBorders,
    regionalDebug, terrainDebug, transportDebug,
  });
}