name: Release

on:
  push:
    branches:
      - main

permissions:
  contents: write

concurrency: ${{ github.workflow }}-${{ github.ref }}

jobs:
  release:
    name: Release
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js 20
        uses: actions/setup-node@v4
        with:
          node-version: 20

      - name: Read version from package.json
        id: pkg
        shell: bash
        run: |
          VERSION=$(node -p "require('./package.json').version")
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"

      - name: Prepare release notes from CHANGELOG.md
        id: changelog
        shell: bash
        run: |
          VERSION="${{ steps.pkg.outputs.version }}"
          CHANGELOG="CHANGELOG.md"
          OUT="RELEASE_CHANGELOG.md"
          awk -v ver="$VERSION" '
            $0 ~ "^# " ver "$" {print; flag=1; next}
            flag && $0 ~ "^# " && $0 !~ "^# " ver "$" {flag=0}
            flag {print}
          ' "$CHANGELOG" > "$OUT"
          if [ ! -s "$OUT" ]; then
            echo "# $VERSION" > "$OUT"
            echo "" >> "$OUT"
            cat "$CHANGELOG" >> "$OUT"
          fi
          echo "notes<<EOF" >> $GITHUB_OUTPUT
          cat "$OUT" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Create source ZIP archive
        id: zip
        shell: bash
        run: |
          ZIP_NAME="wibe3-${{ steps.pkg.outputs.version }}.zip"
          git archive -o "$ZIP_NAME" HEAD .
          echo "zip=$ZIP_NAME" >> $GITHUB_OUTPUT

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: v${{ steps.pkg.outputs.version }}
          name: v${{ steps.pkg.outputs.version }}
          body: ${{ steps.changelog.outputs.notes }}
          files: |
            ${{ steps.zip.outputs.zip }}
            CHANGELOG.md
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}