---
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=...) in HTML/CSS and {{APP_VER}} everywhere
        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=${QVER} and {{APP_VER}}=${VER}"

          # 1) Only stamp ?v= in HTML/CSS (avoid JS concatenation issues)
          mapfile -t html_css < <(git ls-files -- 'public/*.html' 'public/**/*.html' 'public/*.php' 'public/**/*.css')
          for f in "${html_css[@]}"; do
            sed -E -i "s/(\?v=)[^\"'&<>\s]*/\1${QVER}/g" "$f"
            sed -E -i "s/\{\{APP_VER\}\}/${VER}/g" "$f"
          done

          # 2) For JS, only replace the {{APP_VER}} placeholder (do NOT touch ?v=)
          mapfile -t jsfiles < <(git ls-files -- 'public/*.js' 'public/**/*.js')
          for f in "${jsfiles[@]}"; do
            sed -E -i "s/\{\{APP_VER\}\}/${VER}/g" "$f"
          done

          echo "Changed files:"
          git status --porcelain | awk '{print $2}' | sed 's/^/  - /'

      - 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