#!/usr/bin/env bash
# Cross-compile device_agent para 4 targets. CGO-free (modernc.org/sqlite).
# Output: build/<goos>-<goarch>/device_agent[.exe]
set -euo pipefail

cd "$(dirname "$0")"
mkdir -p build

TARGETS=(
  "linux/amd64"
  "linux/arm64"
  "windows/amd64"
  "darwin/arm64"
)

for tgt in "${TARGETS[@]}"; do
  GOOS=${tgt%/*}
  GOARCH=${tgt#*/}
  EXT=""
  [ "$GOOS" = "windows" ] && EXT=".exe"
  OUT="build/$GOOS-$GOARCH/device_agent$EXT"
  mkdir -p "build/$GOOS-$GOARCH"
  echo "==> Building $tgt -> $OUT"
  CGO_ENABLED=0 GOOS="$GOOS" GOARCH="$GOARCH" \
    go build -ldflags="-s -w" -o "$OUT" .
  ls -la "$OUT"
done

echo ""
echo "All targets built OK."