name: Auto Changelog & Release
description: "One-stop composite action for version-bump detection, changelog generation and Gitea release."

inputs:
  token:
    description: "Gitea/GitHub PAT für Release-API"
    required: false
    default: ""
  author_name:
    description: "Commit-Autorname"
    required: false
    default: ""
  author_email:
    description: "Commit-Autore-Mail"
    required: false
    default: ""

runs:
  using: "composite"
  steps:
    - uses: fulcrumgenomics/gha-timer@v1

    - name: Detect version change
      shell: bash
      id: detect
      env:
        GITHUB_EVENT_BEFORE: ${{ github.event.before || '' }}
        GITHUB_SHA: ${{ github.sha || '' }}
        GITHUB_REF: ${{ github.ref || '' }}
      run: |
        gha-timer start --name "Detect Version Change"

        ${{ github.action_path }}/scripts/detect-version-change.sh
        exit_code=$?

        if [[ $exit_code -eq 0 ]]; then
          gha-timer elapsed --outcome success --name "Detect Version Change"
        else
          gha-timer elapsed --outcome failure --name "Detect Version Change"
          exit $exit_code
        fi

    - name: Read CLIFF_VERSION
      shell: bash
      id: cliff_version
      run: |
        ${{ github.action_path }}/scripts/read-cliff-version.sh

    - name: Install git-cliff
      shell: bash
      run: |
        ${{ github.action_path }}/scripts/install-git-cliff.sh "${{ steps.cliff_version.outputs.version }}"

    - name: Set up git
      shell: bash
      run: |
        ${{ github.action_path }}/scripts/setup-git.sh \
          "${{ inputs.author_name }}" \
          "${{ inputs.author_email }}"

    - name: Generate and commit changelog (unreleased)
      if: steps.detect.outputs.version_changed == 'false' || github.ref != 'refs/heads/main'
      shell: bash
      run: |
        ${{ github.action_path }}/scripts/generate-unreleased-changelog.sh

    - name: Release from VERSION
      if: steps.detect.outputs.version_changed == 'true' && github.ref == 'refs/heads/main'
      shell: bash
      env:
        RELEASE_PUBLISH_TOKEN: ${{ inputs.token || '' }}
      run: |
        ${{ github.action_path }}/scripts/release-from-version.sh