name: Paperless-ngx Release
on:
  workflow_dispatch:
    inputs:
      version:
        description: "Release version (e.g., 2.18.3)"
        required: true
        type: string
permissions:
  contents: write
  actions: read
concurrency:
  group: release-main
  cancel-in-progress: false
jobs:
  release:
    runs-on: ubuntu-24.04
    steps:
      - name: Checkout (full)
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Configure git
        run: |
          git config user.name  "${{ github.actor }}"
          git config user.email "${{ github.actor }}@users.noreply.github.com"
      - name: Sanitize & validate input
        id: ver
        shell: bash
        run: |
          RAW="${{ github.event.inputs.version }}"
          # trim spaces + strip leading 'v' if present
          RAW="${RAW//[[:space:]]/}"
          RAW="${RAW#v}"

          # basic semver X.Y.Z
          if [[ ! "$RAW" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "❌ Invalid version: '$RAW' (expected X.Y.Z or vX.Y.Z)"; exit 1
          fi

          MAJOR="${RAW%%.*}"
          REST="${RAW#*.}"
          MINOR="${REST%%.*}"
          PATCH="${REST#*.}"

          echo "version=$RAW"   >> "$GITHUB_OUTPUT"
          echo "major=$MAJOR"   >> "$GITHUB_OUTPUT"
          echo "minor=$MINOR"   >> "$GITHUB_OUTPUT"
          echo "patch=$PATCH"   >> "$GITHUB_OUTPUT"

          echo "✅ Using version $RAW"
      - name: Ensure tag does not already exist
        run: |
          git fetch --tags
          if git rev-parse "v${{ steps.ver.outputs.version }}" >/dev/null 2>&1; then
            echo "❌ Tag v${{ steps.ver.outputs.version }} already exists"; exit 1
          fi
      - name: Update local branches
        run: |
          git fetch origin main dev
      - name: Fast-forward main to dev (no merge commits)
        run: |
          # Reset local main to remote, then try fast-forward to dev.
          git checkout main
          git reset --hard origin/main
          # --ff-only ensures the workflow fails if the branches diverged.
          git merge --ff-only origin/dev
          echo "✅ main fast-forwarded to dev at $(git rev-parse --short HEAD)"
      - name: Bump versions in files
        shell: bash
        run: |
          VER="${{ steps.ver.outputs.version }}"
          MAJ="${{ steps.ver.outputs.major }}"
          MIN="${{ steps.ver.outputs.minor }}"
          PAT="${{ steps.ver.outputs.patch }}"

          # 1) pyproject.toml: [project] version = "X.Y.Z"
          sed -i -E 's/^version = "[0-9]+\.[0-9]+\.[0-9]+"/version = "'"$VER"'"/' pyproject.toml

          # 2) src-ui/package.json: "version": "X.Y.Z"
          # Use jq if available; otherwise sed fallback.
          if command -v jq >/dev/null 2>&1; then
            tmp=$(mktemp)
            jq --arg v "$VER" '.version=$v' src-ui/package.json > "$tmp" && mv "$tmp" src-ui/package.json
          else
            sed -i -E 's/"version": "[0-9]+\.[0-9]+\.[0-9]+"/"version": "'"$VER"'"/' src-ui/package.json
          fi

          # 3) src-ui/src/environments/environment.prod.ts: version: 'X.Y.Z'
          sed -i -E "s/version: '[0-9]+\.[0-9]+\.[0-9]+'/version: '$VER'/" src-ui/src/environments/environment.prod.ts

          # 4) src/paperless/version.py: __version__ = (X, Y, Z)
          sed -i -E "s/__version__:\s*Final\[tuple\[int,\s*int,\s*int\]\]\s*=\s*\([0-9]+,\s*[0-9]+,\s*[0-9]+\)/__version__: Final[tuple[int, int, int]] = ($MAJ, $MIN, $PAT)/" src/paperless/version.py

          # 5) uv.lock: in the [[package]] name = "paperless-ngx" block, set version = "X.Y.Z"
          # This awk edits only the block for paperless-ngx.
          awk -v ver="$VER" '
            BEGIN{inpkg=0}
            /^\[\[package\]\]/{inpkg=0}
            /^\[\[package\]\]/{print; next}
            {print > "/dev/stdout"}
          ' uv.lock >/dev/null 2>&1 # noop to ensure awk exists

          # More robust in-place edit with awk:
          awk -v ver="$VER" '
            BEGIN{inpkg=0}
            /^\[\[package\]\]/{inpkg=0; print; next}
            /^name = "paperless-ngx"/{inpkg=1; print; next}
            inpkg && /^version = "/{
              sub(/version = "[0-9]+\.[0-9]+\.[0-9]+"/, "version = \"" ver "\"")
              print; next
            }
            {print}
          ' uv.lock > uv.lock.new && mv uv.lock.new uv.lock

          echo "✅ Files updated to $VER"
      - name: Commit bump (if changes)
        run: |
          if git diff --quiet; then
            echo "ℹ️ No changes to commit (versions may already match)";
          else
            git add pyproject.toml src-ui/package.json src-ui/src/environments/environment.prod.ts src/paperless/version.py uv.lock
            git commit -m "Bump version to ${{ steps.ver.outputs.version }}"
          fi
      - name: Push main
        run: |
          # Push branch (even if no commit, ensures remote main == local)
          git push origin HEAD:main
      - name: Create and push tag
        run: |
          VER="${{ steps.ver.outputs.version }}"
          git tag -a "v${VER}" -m "Release v${VER}"
          git push origin "v${VER}"
      - name: Done
        run: echo "🎉 Release v${{ steps.ver.outputs.version }} created and pushed."