#!/usr/bin/env bash
set -euo pipefail

root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$root"

version="${RELEASE_TAG:-}"
if [ -z "$version" ]; then
  version="${GITHUB_REF_NAME:-}"
fi
if [ -z "$version" ] && [ -n "${GITHUB_REF:-}" ]; then
  version="${GITHUB_REF##*/}"
fi
if [ -z "$version" ]; then
  version="dev"
fi

rm -rf dist
mkdir -p dist

targets=(
  "linux amd64"
  "linux arm64"
  "darwin amd64"
  "darwin arm64"
  "windows amd64"
  "windows arm64"
)

for target in "${targets[@]}"; do
  read -r goos goarch <<<"$target"
  name="dataxl_${version}_${goos}_${goarch}"
  workdir="dist/${name}"
  mkdir -p "$workdir"

  binary="dataxl"
  if [ "$goos" = "windows" ]; then
    binary="dataxl.exe"
  fi

  CGO_ENABLED=0 GOOS="$goos" GOARCH="$goarch" go build \
    -trimpath \
    -ldflags="-s -w" \
    -o "$workdir/$binary" \
    ./cmd/dataxl

  cp README.md "$workdir/"

  if [ "$goos" = "windows" ]; then
    (cd dist && zip -qr "${name}.zip" "$name")
  else
    (cd dist && tar -czf "${name}.tar.gz" "$name")
  fi

  rm -rf "$workdir"
done

(cd dist && sha256sum dataxl_* > checksums.txt)