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

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

tag=${1:-}
if [[ ! "$tag" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
  printf 'captioneer: release tag must match vMAJOR.MINOR.BUG, got %q\n' "$tag" >&2
  exit 1
fi

platform=linux-amd64
archive_name="captioneer-${tag}-${platform}.tar.gz"
package_name="captioneer-${tag}-${platform}"
package_dir="dist/$package_name"

rm -rf -- "$package_dir"
rm -f -- "dist/$archive_name" "dist/$archive_name.sha256"
mkdir -p -- "$package_dir/lib" "$package_dir/scripts"

# The Sherpa Go module embeds an absolute build-machine RPATH. Add a portable
# fallback so the bundled native libraries resolve beside the extracted tools.
# shellcheck disable=SC2016 # $ORIGIN must remain literal for the ELF loader.
export CGO_LDFLAGS='-Wl,-rpath,$ORIGIN/lib'
go build -trimpath -o "$package_dir/captioneer" ./src/cmd/captioneer
go build -trimpath -tags gtk -o "$package_dir/captioneer-desktop" ./src/cmd/captioneer-desktop

sherpa_dir="$(go list -m -f '{{.Dir}}' github.com/k2-fsa/sherpa-onnx-go-linux)"
sherpa_lib_dir="$sherpa_dir/lib/x86_64-unknown-linux-gnu"
cp -- "$sherpa_lib_dir/libsherpa-onnx-c-api.so" "$package_dir/lib/"
cp -- "$sherpa_lib_dir/libonnxruntime.so" "$package_dir/lib/"
cp -- README.md LICENSE "$package_dir/"
cp -- scripts/download-models.sh "$package_dir/scripts/"

for executable in captioneer captioneer-desktop; do
  # shellcheck disable=SC2016 # Verify the literal ELF-loader token.
  if ! readelf -d "$package_dir/$executable" | grep -Fq '$ORIGIN/lib'; then
    printf 'captioneer: %s is missing the portable native-library RPATH\n' "$executable" >&2
    exit 1
  fi
done

tar -C dist -czf "dist/$archive_name" "$package_name"
(
  cd -- dist
  sha256sum "$archive_name" > "$archive_name.sha256"
)

printf '%s\n' "$repo_root/dist/$archive_name"
printf '%s\n' "$repo_root/dist/$archive_name.sha256"