---
name: Bump version and sync Changelog to Docker Repo

on:
  push:
    paths:
      - 'CHANGELOG.md'

permissions:
  contents: write

jobs:
  bump_and_sync:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Extract version from commit message
        id: ver
        run: |
          MSG="${{ github.event.head_commit.message }}"
          if [[ "$MSG" =~ release\((v[0-9]+\.[0-9]+\.[0-9]+)\) ]]; then
            echo "version=${BASH_REMATCH[1]}" >> $GITHUB_OUTPUT
            echo "Found version: ${BASH_REMATCH[1]}"
          else
            echo "version=" >> $GITHUB_OUTPUT
            echo "No release(vX.Y.Z) tag in commit message; skipping bump."
          fi

      - name: Update public/js/version.js
        if: steps.ver.outputs.version != ''
        run: |
          cat > public/js/version.js <<'EOF'
          // generated by CI
          window.APP_VERSION = '${{ steps.ver.outputs.version }}';
          EOF

      - name: Commit version.js (if changed)
        if: steps.ver.outputs.version != ''
        run: |
          git config user.name  "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add public/js/version.js
          if git diff --cached --quiet; then
            echo "No changes to commit"
          else
            git commit -m "chore: set APP_VERSION to ${{ steps.ver.outputs.version }}"
            git push
          fi

      - name: Checkout filerise-docker
        if: steps.ver.outputs.version != ''
        uses: actions/checkout@v4
        with:
          repository: error311/filerise-docker
          token: ${{ secrets.PAT_TOKEN }}
          path: docker-repo

      - name: Copy CHANGELOG.md and write VERSION
        if: steps.ver.outputs.version != ''
        run: |
          cp CHANGELOG.md docker-repo/CHANGELOG.md
          echo "${{ steps.ver.outputs.version }}" > docker-repo/VERSION

      - name: Commit & push to docker repo
        if: steps.ver.outputs.version != ''
        working-directory: docker-repo
        run: |
          git config user.name  "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add CHANGELOG.md VERSION
          if git diff --cached --quiet; then
            echo "No changes to commit"
          else
            git commit -m "chore: sync CHANGELOG.md and VERSION (${{ steps.ver.outputs.version }}) from FileRise"
            git push origin main
          fi