#!/usr/bin/env nu
# build.nu — run cargo build --release.
# Reads JSON inputs from stdin (linted-code, formatted-code).
# Emits JSON result to stdout.

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

  # Verify upstream capabilities are present
  let linted    = ($inputs | get "linted-code")
  let formatted = ($inputs | get "formatted-code")

  if (not ($linted.ok)) {
    error make { msg: "linted-code.ok is false — refusing to build" }
  }
  if (not ($formatted.ok)) {
    error make { msg: "formatted-code.ok is false — refusing to build" }
  }

  let result = (do { ^cargo build --release } | complete)
  if ($result.exit_code != 0) {
    error make { msg: $"cargo build failed:\n($result.stderr)" }
  }

  # Locate the produced binary (assumes single binary workspace)
  let binary = (
    ^find target/release -maxdepth 1 -type f -perm /111 -not -name "*.d" -not -name "*.rlib"
    | lines
    | first
  )
  let crate_name = ($binary | path basename)

  { "built-artifact": { ok: true, path: $binary, crate_name: $crate_name } } | to json | print
}