#!/usr/bin/env bash

set -euo pipefail

case "${RUNNER_ARCH}" in
  X64)
    arch="amd64"
    ;;
  ARM64)
    arch="arm64"
    ;;
  *)
    echo "Unsupported runner architecture: ${RUNNER_ARCH}" >&2
    exit 1
    ;;
esac

source_root="${GITHUB_ACTION_PATH}"
if [[ ! -f "${source_root}/go.mod" ]]; then
  source_root="$(realpath "${GITHUB_ACTION_PATH}/..")"
fi

printf 'source_root=%s\n' "$source_root" >> "$GITHUB_OUTPUT"

if [[ "${ACTION_REF:-}" == v* ]]; then
  release_tag="${ACTION_REF}"
  normalized_version="${release_tag#v}"
  asset_name="vociferate_${normalized_version}_linux_${arch}"
  cache_dir="${RUNNER_TEMP}/vociferate/${release_tag}/linux-${arch}"
  binary_path="${cache_dir}/vociferate"
  asset_url="${SERVER_URL}/aether/vociferate/releases/download/${release_tag}/${asset_name}"

  provided_cache_token="$(printf '%s' "${CACHE_TOKEN:-}" | sed 's/^[[:space:]]\+//; s/[[:space:]]\+$//')"
  if [[ -n "$provided_cache_token" ]]; then
    cache_token="$provided_cache_token"
  else
    cache_token="${ACTION_REPOSITORY:-aether/vociferate}-${release_tag}"
  fi

  mkdir -p "$cache_dir"

  printf 'use_binary=true\n' >> "$GITHUB_OUTPUT"
  printf 'release_tag=%s\n' "$release_tag" >> "$GITHUB_OUTPUT"
  printf 'cache_token=%s\n' "$cache_token" >> "$GITHUB_OUTPUT"
  printf 'asset_name=%s\n' "$asset_name" >> "$GITHUB_OUTPUT"
  printf 'asset_url=%s\n' "$asset_url" >> "$GITHUB_OUTPUT"
  printf 'cache_dir=%s\n' "$cache_dir" >> "$GITHUB_OUTPUT"
  printf 'binary_path=%s\n' "$binary_path" >> "$GITHUB_OUTPUT"
else
  printf 'use_binary=false\n' >> "$GITHUB_OUTPUT"
fi