---
  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
          with:
            fetch-depth: 0
  
        - name: Extract version from commit message
          id: ver
          shell: bash
          run: |
            set -euo pipefail
            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 != ''
          shell: bash
          run: |
            set -euo pipefail
            cat > public/js/version.js <<'EOF'
            // generated by CI
            window.APP_VERSION = '${{ steps.ver.outputs.version }}';
            EOF
  
        - name: Stamp asset cache-busters (?v=...) and {{APP_VER}}
          if: steps.ver.outputs.version != ''
          shell: bash
          run: |
            set -euo pipefail
            VER="${{ steps.ver.outputs.version }}"    # e.g. v1.6.9
            QVER="${VER#v}"                           # e.g. 1.6.9
  
            echo "Stamping ?v= to ${QVER} and {{APP_VER}} to ${VER}"
  
            # List candidate files under public/
            mapfile -t files < <(git ls-files -- \
              'public/**/*.html' \
              'public/**/*.css'  \
              'public/**/*.js'   \
            )
  
            if [ "${#files[@]}" -gt 0 ]; then
              for f in "${files[@]}"; do
                # Replace any existing ?v=VALUE (dev, v1.2.3, 1.2.3, timestamp, etc.) with new numeric version
                sed -E -i "s/(\?v=)[^\"'&<>\s]*/\1${QVER}/g" "$f"
                # Replace {{APP_VER}} placeholders (leave the leading v for display)
                sed -E -i "s/\{\{APP_VER\}\}/${VER}/g" "$f"
              done
            else
              echo "No HTML/CSS/JS files found under public/ to stamp."
            fi
  
        - name: Commit version bump + stamped assets
          if: steps.ver.outputs.version != ''
          shell: bash
          run: |
            set -euo pipefail
            git config user.name  "github-actions[bot]"
            git config user.email "github-actions[bot]@users.noreply.github.com"
            git add public/js/version.js public
            if git diff --cached --quiet; then
              echo "No changes to commit"
            else
              git commit -m "chore(release): set APP_VERSION and stamp assets to ${{ steps.ver.outputs.version }} [skip ci]"
              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 != ''
          shell: bash
          run: |
            set -euo pipefail
            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
          shell: bash
          run: |
            set -euo pipefail
            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