name: Release
on:
  push:
    branches: [main]

jobs:
  release:
    runs-on: ubuntu-builder
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Verify merge commit
        run: |
          PARENTS=$(git log --format="%P" -1 | wc -w)
          [ "$PARENTS" -ge 2 ] || exit 78

      - name: Read tag from HEAD
        id: tag
        run: |
          TAG=$(git tag --points-at HEAD | grep '^v' | head -n1)
          [ -n "$TAG" ] || exit 78
          echo "tag=$TAG" >> "$GITHUB_OUTPUT"

      - name: Install cross-compilers
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            gcc-arm-linux-gnueabihf \
            gcc-aarch64-linux-gnu \
            gcc-mingw-w64-x86-64 \
            gcc-arm-none-eabi

      - name: Build all targets
        run: |
          for entry in \
            "linux-amd64|ON|" \
            "linux-arm64|OFF|-DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-linux-arm64.cmake" \
            "linux-armhf|OFF|-DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-linux-armhf.cmake" \
            "windows-amd64|OFF|-DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-windows-amd64.cmake -DBUILD_EXAMPLES=OFF" \
            "baremetal-arm32|OFF|-DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-baremetal-arm32.cmake -DBUILD_EXAMPLES=OFF -DBUILD_SHARED=OFF"
          do
            IFS='|' read -r name testing extra <<< "$entry"
            echo ">>> Building $name"
            cmake -S . -B "build-$name" -DBUILD_TESTING=$testing $extra
            cmake --build "build-$name"
            [ "$testing" = "ON" ] && ctest --test-dir "build-$name" --output-on-failure

            pkg="datarouter-$name"
            cmake --install "build-$name" --prefix "dist/$pkg"
          done

      - name: Create release & upload assets
        run: |
          TAG="${{ steps.tag.outputs.tag }}"
          API="${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}/releases"

          echo "=== Creating release $TAG ==="
          RESP=$(curl -s -X POST \
            -H "Authorization: token ${{ gitea.token }}" \
            -H "Content-Type: application/json" \
            -d "{\"tag_name\":\"${TAG}\",\"name\":\"DataRouter ${TAG}\"}" \
            "$API")

          ID=$(echo "$RESP" | python3 -c "import sys,json;print(json.load(sys.stdin)['id'])")

          for dir in dist/*/; do
            name="$(basename "$dir").tar.gz"
            tar czf "/tmp/$name" -C "$dir" .
            echo "Uploading $name"
            curl -s -X POST \
              -H "Authorization: token ${{ gitea.token }}" \
              -H "Content-Type: application/octet-stream" \
              --data-binary @"/tmp/$name" \
              "${API}/${ID}/assets?name=${name}"
          done