#!/usr/bin/env nu
# notify.nu — emit a NATS result event after successful install.
# Reads JSON inputs from stdin (installed).
# Emits empty JSON object to stdout (no output capabilities).

def main []: nothing -> nothing {
  let inputs    = ($in | from json)
  let installed = ($inputs | get "installed")

  if (not ($installed.ok)) {
    error make { msg: "installed.ok is false — not notifying" }
  }

  let run_id  = ($env | get --ignore-errors PIPELINE_RUN_ID | default "unknown")
  let payload = { run_id: $run_id, binary: $installed.binary_path, version: $installed.version }

  let pub_result = (do {
    ^nats pub dev.crate.built ($payload | to json)
  } | complete)

  if ($pub_result.exit_code != 0) {
    error make { msg: $"nats pub failed: ($pub_result.stderr)" }
  }

  {} | to json | print
}