name: release

on:
  push:
    tags:
      - "v*"

permissions:
  contents: write
  packages: write

jobs:
  release:
    runs-on: ubuntu-latest
    env:
      TAILWIND_VERSION: v3.4.17

    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod

      - name: Install templ
        run: go install github.com/a-h/templ/cmd/templ@v0.3.1001

      - name: Install tailwindcss standalone
        run: |
          curl -fsSL -o /usr/local/bin/tailwindcss \
            "https://github.com/tailwindlabs/tailwindcss/releases/download/${TAILWIND_VERSION}/tailwindcss-linux-x64"
          chmod +x /usr/local/bin/tailwindcss

      - name: Build assets
        run: |
          mkdir -p web/static/dist
          templ generate ./...
          tailwindcss -c tailwind.config.js -i web/static/src/app.css -o web/static/dist/app.css --minify

      - name: Cross-compile binaries
        run: |
          mkdir -p dist
          for target in "linux amd64" "linux arm64" "darwin arm64"; do
            set -- $target
            GOOS=$1 GOARCH=$2 CGO_ENABLED=0 go build -trimpath \
              -ldflags="-s -w -X github.com/fserg/md-to-html/internal/version.Version=$(cat VERSION)" \
              -o "dist/md-to-html-${1}-${2}" \
              ./cmd/md-to-html
          done

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - uses: docker/setup-qemu-action@v3

      - uses: docker/setup-buildx-action@v3

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64
          tags: |
            ghcr.io/${{ github.repository }}:${{ github.ref_name }}
            ghcr.io/${{ github.repository }}:latest

      - name: Create GitHub Release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release create "${{ github.ref_name }}" \
            --title "${{ github.ref_name }}" \
            --notes-file CHANGELOG.md \
            dist/*