const fs = require("fs");
const path = require("path");
const { getDefaultConfig } = require("expo/metro-config");

const config = getDefaultConfig(__dirname);
config.resolver.assetExts = [...new Set([...config.resolver.assetExts, "f32", "u8", "qbin"])];

const packageRoot = path.resolve(__dirname, "../../../packages/maplibre-particle-rn");
const fixtureCandidates = [
  path.resolve(__dirname, "..", "particle-v3-fields"),
  path.resolve(__dirname, "..", "..", "particle-v3-fields"),
];
config.watchFolders = [
  ...new Set([
    ...(config.watchFolders ?? []),
    ...fixtureCandidates.filter((candidate) => fs.existsSync(candidate)),
    packageRoot,
  ]),
];
config.resolver.nodeModulesPaths = [
  ...new Set([
    path.resolve(__dirname, "node_modules"),
    ...(config.resolver.nodeModulesPaths ?? []),
  ]),
];

module.exports = config;