name: Publish to NPM

on:
  push:
    tags:
      - "v*.*.*" # Matches version tags like v1.0.0, v2.3.4, etc.

env:
  DIST_FOLDER: dist

jobs:
  build-and-publish:
    name: Build and Publish to NPM
    runs-on: ubuntu-latest

    steps:
      # 1. Checkout Repository
      - name: Checkout Repository
        uses: actions/checkout@v4

      # 2. Extract Tag Version
      - name: Extract Tag Version
        id: tag_version
        run: |
          echo "TAG_VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_ENV
          echo "Extracted Tag Version: ${GITHUB_REF#refs/tags/v}"

      # 3. Replace Version Placeholder in `dnt.config.mts`
      - name: Replace Version Placeholder
        uses: bluwy/substitute-string-action@v3
        with:
          _input-file: 'dnt.config.mts'
          _output-file: 'dnt.config.mts' # Overwrite the same file
          _format-key: '<key>'           # Use '<>' as placeholder delimiters
          RELEASE_VERSION_PLACEHOLDER: ${{ env.TAG_VERSION }}

      - name: Validate Version Substitution
        run: grep 'version' dnt.config.mts
      
      # 4. Install Deno v2
      - name: Install Deno
        uses: denoland/setup-deno@v1
        with:
          deno-version: v2.x # Use the latest stable Deno v2

      # 5. Run build:npm
      - name: Build NPM Package
        run: deno task build:npm

      # 6. Publish to NPM
      - name: Publish to NPM
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
        run: |
          cd ${{ env.DIST_FOLDER }}
          npm publish --access public