name: release

on:
  push:
    branches:
      - main
    tags:
      - 'v*'

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Install packaging tools
        run: |
          cargo install cargo-deb --locked
          cargo install cargo-rpm --locked

      - name: Build release binaries
        run: cargo build --release -p relay -p client

      - name: Resolve version
        id: version
        run: |
          if [[ "${GITHUB_REF}" == refs/tags/* ]]; then
            VERSION="${GITHUB_REF#refs/tags/}"
            IS_PRERELEASE=false
          else
            VERSION="main-${GITHUB_SHA:0:7}"
            IS_PRERELEASE=true
          fi
          echo "version=${VERSION}" >> "$GITHUB_OUTPUT"
          echo "is_prerelease=${IS_PRERELEASE}" >> "$GITHUB_OUTPUT"

      - name: Package tarball
        run: |
          mkdir -p dist
          cp target/release/relay dist/
          cp target/release/client dist/
          tar -czf "dist/play-dvv-${{ steps.version.outputs.version }}-linux-x86_64.tar.gz" -C dist relay client

      - name: Build deb packages
        run: |
          cargo deb -p relay --no-build
          cargo deb -p client --no-build
          mkdir -p dist
          cp target/debian/*.deb dist/

      - name: Build rpm packages
        run: |
          cargo rpm build -p relay --release
          cargo rpm build -p client --release
          mkdir -p dist
          find target/release/rpmbuild/RPMS -name "*.rpm" -exec cp {} dist/ \;

      - name: Publish generic packages
        env:
          TOKEN: ${{ secrets.TOKEN }}
        run: |
          if [[ -z "${TOKEN}" ]]; then
            echo "TOKEN missing; skipping generic packages"
            exit 0
          fi
          OWNER="${GITHUB_REPOSITORY%/*}"
          REPO="${GITHUB_REPOSITORY#*/}"
          VERSION="${{ steps.version.outputs.version }}"
          for file in dist/*; do
            name=$(basename "$file")
            curl -sSf -X PUT \
              -H "Authorization: token ${TOKEN}" \
              --upload-file "$file" \
              "${GITHUB_SERVER_URL}/api/packages/${OWNER}/generic/${REPO}/${VERSION}/${name}"
          done

      - name: Build and push OCI images
        env:
          TOKEN: ${{ secrets.TOKEN }}
          USERNAME: ${{ secrets.USERNAME }}
        run: |
          if [[ -z "${TOKEN}" || -z "${USERNAME}" ]]; then
            echo "TOKEN or USERNAME missing; skipping OCI"
            exit 0
          fi
          VERSION="${{ steps.version.outputs.version }}"
          echo "${TOKEN}" | docker login git.dvv.one -u "${USERNAME}" --password-stdin

          printf '%s\n' \
            'FROM debian:bookworm-slim' \
            'COPY target/release/relay /usr/local/bin/relay' \
            'EXPOSE 7000 7001 25565' \
            'ENTRYPOINT ["/usr/local/bin/relay"]' \
            > Dockerfile.relay

          printf '%s\n' \
            'FROM debian:bookworm-slim' \
            'COPY target/release/client /usr/local/bin/client' \
            'ENTRYPOINT ["/usr/local/bin/client"]' \
            > Dockerfile.client

          docker build -f Dockerfile.relay -t git.dvv.one/${GITHUB_REPOSITORY,,}/relay:${VERSION} .
          docker build -f Dockerfile.client -t git.dvv.one/${GITHUB_REPOSITORY,,}/client:${VERSION} .

          if [[ "${GITHUB_REF}" == "refs/heads/main" ]]; then
            docker tag git.dvv.one/${GITHUB_REPOSITORY,,}/relay:${VERSION} git.dvv.one/${GITHUB_REPOSITORY,,}/relay:main
            docker tag git.dvv.one/${GITHUB_REPOSITORY,,}/client:${VERSION} git.dvv.one/${GITHUB_REPOSITORY,,}/client:main
          fi

          docker push git.dvv.one/${GITHUB_REPOSITORY,,}/relay:${VERSION}
          docker push git.dvv.one/${GITHUB_REPOSITORY,,}/client:${VERSION}
          if [[ "${GITHUB_REF}" == "refs/heads/main" ]]; then
            docker push git.dvv.one/${GITHUB_REPOSITORY,,}/relay:main
            docker push git.dvv.one/${GITHUB_REPOSITORY,,}/client:main
          fi

      - name: Publish Cargo packages
        env:
          TOKEN: ${{ secrets.TOKEN }}
          CARGO_REGISTRIES_GITEA_INDEX: sparse+https://git.dvv.one/api/packages/${{ github.repository_owner }}/cargo/
          CARGO_REGISTRIES_GITEA_TOKEN: ${{ secrets.TOKEN }}
        run: |
          if [[ "${GITHUB_REF}" != refs/tags/* ]]; then
            echo "Not a tag; skipping cargo publish"
            exit 0
          fi
          if [[ -z "${TOKEN}" ]]; then
            echo "TOKEN missing; skipping cargo publish"
            exit 0
          fi
          TAG="${GITHUB_REF#refs/tags/}"
          RELAY_VER=$(cargo metadata --format-version 1 | python -c 'import json,sys;meta=json.load(sys.stdin);print([p["version"] for p in meta["packages"] if p["name"]=="relay"][0])')
          CLIENT_VER=$(cargo metadata --format-version 1 | python -c 'import json,sys;meta=json.load(sys.stdin);print([p["version"] for p in meta["packages"] if p["name"]=="client"][0])')
          if [[ "v${RELAY_VER}" != "${TAG}" ]]; then
            echo "Tag ${TAG} does not match relay version v${RELAY_VER}; skipping relay publish"
          else
            cargo publish -p relay --registry gitea
          fi
          if [[ "v${CLIENT_VER}" != "${TAG}" ]]; then
            echo "Tag ${TAG} does not match client version v${CLIENT_VER}; skipping client publish"
          else
            cargo publish -p client --registry gitea
          fi

      - name: Create release
        env:
          TOKEN: ${{ secrets.TOKEN }}
        run: |
          if [[ -z "${TOKEN}" ]]; then
            echo "TOKEN missing; skipping release"
            exit 0
          fi
          OWNER="${GITHUB_REPOSITORY%/*}"
          REPO="${GITHUB_REPOSITORY#*/}"
          VERSION="${{ steps.version.outputs.version }}"
          PRERELEASE="${{ steps.version.outputs.is_prerelease }}"
          BODY="Automated release for ${VERSION}."

          payload=$(python - <<PY
import json
print(json.dumps({
  "tag_name": "${VERSION}",
  "target_commitish": "${GITHUB_SHA}",
  "name": "${VERSION}",
  "body": "${BODY}",
  "prerelease": ${PRERELEASE}
}))
PY
)
          release=$(curl -sSf -X POST \
            -H "Authorization: token ${TOKEN}" \
            -H "Content-Type: application/json" \
            -d "$payload" \
            "${GITHUB_SERVER_URL}/api/v1/repos/${OWNER}/${REPO}/releases")

          release_id=$(python - <<PY
import json,sys
print(json.loads('''$release''')['id'])
PY
)

          for file in dist/*; do
            name=$(basename "$file")
            curl -sSf -X POST \
              -H "Authorization: token ${TOKEN}" \
              -F "attachment=@${file}" \
              "${GITHUB_SERVER_URL}/api/v1/repos/${OWNER}/${REPO}/releases/${release_id}/assets?name=${name}"
          done