name: Release Obsidian Plugin

# Tag format: `obsidian-v<version>` and `<version>` must match `surfsense_obsidian/manifest.json` exactly.
on:
  push:
    tags:
      - "obsidian-v*"
  workflow_dispatch:
    inputs:
      publish:
        description: "Publish to GitHub Releases"
        required: true
        type: choice
        options:
          - never
          - always
        default: "never"

permissions:
  contents: write

jobs:
  build-and-release:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: surfsense_obsidian

    steps:
      - uses: actions/checkout@v6
        with:
          # Need write access for the manifest/versions.json mirror commit
          # back to main further down.
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - uses: actions/setup-node@v6
        with:
          node-version: 20.x
          cache: npm
          cache-dependency-path: surfsense_obsidian/package-lock.json

      - name: Resolve plugin version
        id: version
        run: |
          manifest_version=$(node -p "require('./manifest.json').version")
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            # Manual runs derive the release version from manifest.json.
            version="$manifest_version"
            tag="obsidian-v$version"
          else
            tag="${GITHUB_REF_NAME}"
            if [ -z "$tag" ] || [[ "$tag" != obsidian-v* ]]; then
              echo "::error::Invalid tag '$tag'. Expected format: obsidian-v<version>"
              exit 1
            fi
            version="${tag#obsidian-v}"
            if [ "$version" != "$manifest_version" ]; then
              echo "::error::Tag version '$version' does not match manifest version '$manifest_version'"
              exit 1
            fi
          fi
          echo "tag=$tag"            >> "$GITHUB_OUTPUT"
          echo "version=$version"    >> "$GITHUB_OUTPUT"

      - name: Resolve publish mode
        id: release_mode
        run: |
          if [ "${{ github.event_name }}" = "push" ] || [ "${{ inputs.publish }}" = "always" ]; then
            echo "should_publish=true" >> "$GITHUB_OUTPUT"
          else
            echo "should_publish=false" >> "$GITHUB_OUTPUT"
          fi

      - run: npm ci

      - run: npm run lint

      - run: npm run build

      - name: Verify build artifacts
        run: |
          for f in main.js manifest.json styles.css; do
            test -f "$f" || (echo "::error::Missing release artifact: $f" && exit 1)
          done

      - name: Mirror manifest.json + versions.json to repo root
        if: steps.release_mode.outputs.should_publish == 'true'
        working-directory: ${{ github.workspace }}
        run: |
          cp surfsense_obsidian/manifest.json manifest.json
          cp surfsense_obsidian/versions.json versions.json
          if git diff --quiet manifest.json versions.json; then
            echo "Root manifest/versions already up to date."
            exit 0
          fi
          git config user.name  "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add manifest.json versions.json
          git commit -m "chore(obsidian-plugin): mirror manifest+versions for ${{ steps.version.outputs.tag }}"
          # Push to the default branch so Obsidian can fetch raw files from HEAD.
          if ! git push origin HEAD:${{ github.event.repository.default_branch }}; then
            echo "::warning::Failed to push mirrored manifest/versions to default branch (likely branch protection). Continuing release."
          fi

      # Publish release under bare `manifest.json` version (no `obsidian-v` prefix) for BRAT/store compatibility.
      - name: Create GitHub release
        if: steps.release_mode.outputs.should_publish == 'true'
        uses: softprops/action-gh-release@v3
        with:
          tag_name: ${{ steps.version.outputs.version }}
          name: SurfSense Obsidian Plugin ${{ steps.version.outputs.version }}
          generate_release_notes: true
          files: |
            surfsense_obsidian/main.js
            surfsense_obsidian/manifest.json
            surfsense_obsidian/styles.css