#!/usr/bin/env nu
# start-dev-stack.nu — Bring up the stratum docker-compose dev stack and wait for health.

def wait-for-http [url: string, label: string, max_secs: int]: nothing -> nothing {
  let start = (date now)
  loop {
    let elapsed = ((date now) - $start | into int) / 1_000_000_000
    if ($elapsed > $max_secs) {
      error make { msg: $"[$label] not ready after [$max_secs]s" }
    }
    let r = (do { ^curl -sf $url } | complete)
    if ($r.exit_code == 0) {
      print $"[$label] ready"
      break
    }
    sleep 2sec
  }
}

def main []: nothing -> nothing {
  print "Starting stratum dev stack..."

  let up = (do {
    ^docker compose -f docker-compose.dev.yml up -d
  } | complete)

  if ($up.exit_code != 0) {
    error make { msg: $"docker compose up failed:\n($up.stderr)" }
  }

  print "Containers started, waiting for services..."

  wait-for-http "http://localhost:8100/health" "SurrealDB" 30
  wait-for-http "http://localhost:5000/v2/"    "Zot OCI"   30

  print "Dev stack ready"
  print "  SurrealDB: ws://localhost:8100"
  print "  Zot OCI:   http://localhost:5000"
}