// ny-config.nyash - Load nyash.toml and expose minimal helpers

static box NyConfig {
  // Read nyash.toml (or given path) and return JSON string via TOMLBox.toJson()
  load_toml(path) {
    local p = path
    if p == null || p == "" { p = "nyash.toml" }
    local f = new FileBox()
    // Open read-only if supported; fallback to default if mode not required
    // Many plugins accept open(path, mode). Use "r" here.
    f.open(p, "r")
    local content = f.read()
    f.close()
    local t = new TOMLBox()
    // parse(content) returns Result.Ok(bool) in some variants; call and ignore return here
    t.parse(content)
    local json = t.toJson()
    return json
  }

  // Return counts for env/tasks/box_types/plugins (approx by '=' occurrences per table)
  counts() {
    // Parse nyash.toml
    local f2 = new FileBox()
    f2.open("nyash.toml", "r")
    local content2 = f2.read()
    f2.close()
    local t = new TOMLBox()
    t.parse(content2)
    local out = new MapBox()
    out.setS("env", me.count_keys_in_string(t.get("env")))
    out.setS("tasks", me.count_keys_in_string(t.get("tasks")))
    out.setS("box_types", me.count_keys_in_string(t.get("box_types")))
    out.setS("plugins", me.count_keys_in_string(t.get("plugins")))
    return out
  }

  // helper: count '=' in a string
  count_keys_in_string(s) {
    local i = 0
    local n = s.length()
    local c = 0
    loop(i < n) {
      local ch = s.substring(i, i+1)
      if ch == "=" { c = c + 1 }
      i = i + 1
    }
    return c
  }

  // Convert JSON back to TOML-like display if needed (placeholder: returns empty to force parse to no-op)
  json_to_toml_hint(js) { return "" }
}

static box Main {
  main(args) {
    local console = new ConsoleBox()
    local json = NyConfig.load_toml(null)
    local c = NyConfig.counts(json)
    console.println("ny-config: env=" + c.getS("env").toString() + ", tasks=" + c.getS("tasks").toString() + ", plugins=" + c.getS("plugins").toString() + ", box_types=" + c.getS("box_types").toString())
    return 0
  }
}