name: vociferate/resolve-vociferate-runtime
description: Resolve whether vociferate should run from a released binary or source checkout.

outputs:
  use_binary:
    description: Whether a released binary should be used.
    value: ${{ steps.resolve.outputs.use_binary }}
  source_root:
    description: Action repository root that contains go.mod.
    value: ${{ steps.resolve.outputs.source_root }}
  release_tag:
    description: Action release tag when using a binary.
    value: ${{ steps.resolve.outputs.release_tag }}
  cache_token:
    description: Cache token used for the binary cache key.
    value: ${{ steps.resolve.outputs.cache_token }}
  asset_name:
    description: Binary asset name for the resolved platform.
    value: ${{ steps.resolve.outputs.asset_name }}
  asset_url:
    description: Download URL for the resolved binary asset.
    value: ${{ steps.resolve.outputs.asset_url }}
  cache_dir:
    description: Cache directory for the binary.
    value: ${{ steps.resolve.outputs.cache_dir }}
  binary_path:
    description: Expected path to the downloaded binary.
    value: ${{ steps.resolve.outputs.binary_path }}

runs:
  using: composite
  steps:
    - name: Resolve runtime
      id: resolve
      shell: bash
      env:
        ACTION_REF: ${{ github.action_ref }}
        ACTION_REPOSITORY: ${{ github.action_repository }}
        CACHE_TOKEN: ${{ env.VOCIFERATE_CACHE_TOKEN }}
        SERVER_URL: ${{ github.server_url }}
        RUNNER_ARCH: ${{ runner.arch }}
        RUNNER_TEMP: ${{ runner.temp }}
      run: |
        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