name: vociferate
description: Prepare release files or recommend a next semantic version tag.

inputs:
  version:
    description: Optional semantic version override. When omitted, the recommended version is used.
    required: false
  version-file:
    description: Path to version file relative to repository root.
    required: false
    default: ''
  version-pattern:
    description: Regular expression with one capture group for current version.
    required: false
    default: ''
  changelog:
    description: Path to changelog file relative to repository root.
    required: false
    default: changelog.md
  recommend:
    description: If true, print recommended next release tag.
    required: false
    default: 'false'

outputs:
  version:
    description: Resolved version used for prepare mode, or the emitted recommended version for recommend mode.
    value: ${{ steps.run-vociferate.outputs.version }}

runs:
  using: composite
  steps:
    - uses: actions/checkout@v4

    - uses: actions/setup-go@v5
      with:
        go-version: '1.26.1'

    - name: Run vociferate
      id: run-vociferate
      shell: bash
      run: |
        set -euo pipefail

        common_args=(--root .)

        if [[ -n "${{ inputs.version-file }}" ]]; then
          common_args+=(--version-file "${{ inputs.version-file }}")
        fi

        if [[ -n "${{ inputs.version-pattern }}" ]]; then
          common_args+=(--version-pattern "${{ inputs.version-pattern }}")
        fi

        if [[ -n "${{ inputs.changelog }}" ]]; then
          common_args+=(--changelog "${{ inputs.changelog }}")
        fi

        if [[ "${{ inputs.recommend }}" == "true" ]]; then
          resolved_version="$(go run git.hrafn.xyz/aether/vociferate/cmd/vociferate@latest "${common_args[@]}" --recommend)"
          echo "$resolved_version"
          echo "version=$resolved_version" >> "$GITHUB_OUTPUT"
          exit 0
        else
          resolved_version="$(printf '%s' "${{ inputs.version }}" | sed 's/^[[:space:]]\+//; s/[[:space:]]\+$//')"
          if [[ -z "$resolved_version" ]]; then
            resolved_version="$(go run git.hrafn.xyz/aether/vociferate/cmd/vociferate@latest "${common_args[@]}" --recommend)"
          fi
        fi

        echo "version=$resolved_version" >> "$GITHUB_OUTPUT"
        go run git.hrafn.xyz/aether/vociferate/cmd/vociferate@latest "${common_args[@]}" --version "$resolved_version" --date "$(date -u +%F)"