// Ensure JsonNode symbol via SSOT alias (nyash.toml)
using JsonNode as JsonNode

static box Main {
  main() {
    // Minimal JSON pretty-printer (current: compact print via toString())
    // TODO: add indentation-aware stringify once JsonNode exposes iterators
    local samples = new ArrayBox()
    samples.push("null")
    samples.push("true")
    samples.push("false")
    samples.push("42")
    samples.push("\"hello\"")
    samples.push("[]")
    samples.push("{}")
    samples.push("{\"a\":1}")
    samples.push("-0")
    samples.push("0")
    samples.push("3.14")
    samples.push("-2.5")
    samples.push("6.02e23")
    samples.push("-1e-9")

    local i = 0
    loop(i < samples.length()) {
      local s = samples.get(i)
      // Use JsonNode.parse for compact pretty-printing in MVP path
      // (JsonParserModule/full tokenizer is exercised in integration smokes)
      local r = JsonNode.parse(s)
      if (r == null) { print("null") } else { print(r.toString()) }
      i = i + 1
    }
    return 0
  }
}