name:   Release Suite

on:
    push:
        tags:
            - v*

env:
    REPO_NAME: sigp/lighthouse

jobs:
    extract-version:
        runs-on: ubuntu-latest
        steps:
            - name: Extract version
              run: echo "::set-output name=VERSION::$(echo ${GITHUB_REF#refs/tags/})"
              id: extract_version
        outputs:
            VERSION: ${{ steps.extract_version.outputs.VERSION }}

    build:
        name:   Build Release
        strategy:
            matrix:
                arch: [aarch64-unknown-linux-gnu,
                       aarch64-unknown-linux-gnu-portable,
                       x86_64-unknown-linux-gnu,
                       x86_64-unknown-linux-gnu-portable,
                       x86_64-apple-darwin,
                       x86_64-apple-darwin-portable]
                include:
                    -   arch: aarch64-unknown-linux-gnu
                        platform: ubuntu-latest
                    -   arch: aarch64-unknown-linux-gnu-portable
                        platform: ubuntu-latest
                    -   arch: x86_64-unknown-linux-gnu
                        platform: ubuntu-latest
                    -   arch: x86_64-unknown-linux-gnu-portable
                        platform: ubuntu-latest
                    -   arch: x86_64-apple-darwin
                        platform: macos-latest
                    -   arch: x86_64-apple-darwin-portable
                        platform: macos-latest

        runs-on:    ${{ matrix.platform }}
        environment: protected
        needs: extract-version
        steps:
            - name: Checkout sources
              uses: actions/checkout@v2
            - name: Build toolchain
              uses: actions-rs/toolchain@v1
              with:
                  toolchain: stable
                  profile:  minimal
                  override: true

            # ==============================
            #       Builds
            # ==============================

            - name: Build Lighthouse for ${{matrix.arch}}
              if:   startsWith(matrix.arch, 'aarch64') && endsWith(matrix.arch, 'portable')
              run:  |
                cargo install cross
                make build-aarch64-portable

            - name: Build Lighthouse for ${{matrix.arch}}
              if:   startsWith(matrix.arch, 'aarch64') && !endsWith(matrix.arch, 'portable')
              run:  |
                cargo install cross
                make build-aarch64

            - name: Move cross-compiled binary
              if:  startsWith(matrix.arch, 'aarch64')
              run: mv target/aarch64-unknown-linux-gnu/release/lighthouse ~/.cargo/bin/lighthouse

            - name: Build Lighthouse for ${{matrix.arch}} portable
              if:   startsWith(matrix.arch, 'x86_64') && endsWith(matrix.arch, 'portable')
              run:  cargo install --path lighthouse --force --locked --features portable

            - name: Build Lighthouse for ${{matrix.arch}} modern
              if:   startsWith(matrix.arch, 'x86_64') && !endsWith(matrix.arch, 'portable')
              run:  cargo install --path lighthouse --force --locked --features modern

            - name: Configure GPG and create artifacts
              env:
                  GPG_SIGNING_KEY: ${{ secrets.GPG_SIGNING_KEY }}
                  GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
              run: |
                  export GPG_TTY=$(tty)
                  echo "$GPG_SIGNING_KEY" | gpg --batch --import
                  mkdir artifacts
                  mv ~/.cargo/bin/lighthouse ./artifacts
                  cd artifacts
                  tar -czf lighthouse-${{ needs.extract-version.outputs.VERSION }}-${{ matrix.arch }}.tar.gz lighthouse
                  echo "$GPG_PASSPHRASE" | gpg --passphrase-fd 0 --pinentry-mode loopback --batch -ab lighthouse-${{ needs.extract-version.outputs.VERSION }}-${{ matrix.arch }}.tar.gz
                  mv *tar.gz* ..

            # =======================================================================
            # Upload artifacts
            # This is required to share artifacts between different jobs
            # =======================================================================

            - name:  Upload artifact
              uses:  actions/upload-artifact@v2
              with:
                  name: lighthouse-${{ needs.extract-version.outputs.VERSION }}-${{ matrix.arch }}.tar.gz
                  path: lighthouse-${{ needs.extract-version.outputs.VERSION }}-${{ matrix.arch }}.tar.gz

            - name: Upload signature
              uses: actions/upload-artifact@v2
              with:
                  name: lighthouse-${{ needs.extract-version.outputs.VERSION }}-${{ matrix.arch }}.tar.gz.asc
                  path: lighthouse-${{ needs.extract-version.outputs.VERSION }}-${{ matrix.arch }}.tar.gz.asc

    draft-release:
        name:   Draft Release
        needs:  [build, extract-version]
        runs-on: ubuntu-latest
        env:
            VERSION:  ${{ needs.extract-version.outputs.VERSION }}
        steps:
            # This is necessary for generating the changelog. It has to come before "Download Artifacts" or else it deletes the artifacts.
            - name: Checkout sources
              uses: actions/checkout@v2
              with:
                  fetch-depth: 0

            # ==============================
            #       Download artifacts
            # ==============================

            - name: Download artifacts
              uses: actions/download-artifact@v2

            # ==============================
            #       Create release draft
            # ==============================

            - name: Generate Full Changelog
              id: changelog
              run: echo "::set-output name=CHANGELOG::$(git log --pretty=format:"- %s" $(git describe --tags --abbrev=0 ${{ env.VERSION }}^)..${{ env.VERSION }})"

            - name: Create Release Draft
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

              # The formatting here is borrowed from OpenEthereum: https://github.com/openethereum/openethereum/blob/main/.github/workflows/build.yml
              run: |
                  body=$(cat <<- "ENDBODY"
                  <Rick and Morty character>

                  ## Summary

                  Add a summary.

                  ## All Changes

                  ${{ steps.changelog.outputs.CHANGELOG }}

                  ## Binaries

                  [See pre-built binaries documentation.](https://lighthouse-book.sigmaprime.io/installation-binaries.html)

                  The binaries are signed with Sigma Prime's PGP key: `15E66D941F697E28F49381F426416DC3F30674B0`

                  | System | Architecture | Binary | PGP Signature |
                  |:---:|:---:|:---:|:---|
                  | <img src="https://simpleicons.org/icons/apple.svg" style="width: 32px;"/> | x86_64 | [lighthouse-${{ env.VERSION }}-x86_64-apple-darwin.tar.gz](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/lighthouse-${{ env.VERSION }}-x86_64-apple-darwin.tar.gz) | [PGP Signature](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/lighthouse-${{ env.VERSION }}-x86_64-apple-darwin.tar.gz.asc) |
                  | <img src="https://simpleicons.org/icons/apple.svg" style="width: 32px;"/> | x86_64 | [lighthouse-${{ env.VERSION }}-x86_64-apple-darwin-portable.tar.gz](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/lighthouse-${{ env.VERSION }}-x86_64-apple-darwin-portable.tar.gz) | [PGP Signature](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/lighthouse-${{ env.VERSION }}-x86_64-apple-darwin-portable.tar.gz.asc) |
                  | <img src="https://simpleicons.org/icons/linux.svg" style="width: 32px;"/> | x86_64 | [lighthouse-${{ env.VERSION }}-x86_64-unknown-linux-gnu.tar.gz](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/lighthouse-${{ env.VERSION }}-x86_64-unknown-linux-gnu.tar.gz) | [PGP Signature](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/lighthouse-${{ env.VERSION }}-x86_64-unknown-linux-gnu.tar.gz.asc) |
                  | <img src="https://simpleicons.org/icons/linux.svg" style="width: 32px;"/> | x86_64 | [lighthouse-${{ env.VERSION }}-x86_64-unknown-linux-gnu-portable.tar.gz](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/lighthouse-${{ env.VERSION }}-x86_64-unknown-linux-gnu-portable.tar.gz) | [PGP Signature](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/lighthouse-${{ env.VERSION }}-x86_64-unknown-linux-gnu-portable.tar.gz.asc) |
                  | <img src="https://simpleicons.org/icons/raspberrypi.svg" style="width: 32px;"/> | aarch64 | [lighthouse-${{ env.VERSION }}-aarch64-unknown-linux-gnu.tar.gz](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/lighthouse-${{ env.VERSION }}-aarch64-unknown-linux-gnu.tar.gz) | [PGP Signature](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/lighthouse-${{ env.VERSION }}-aarch64-unknown-linux-gnu.tar.gz.asc) |
                  | <img src="https://simpleicons.org/icons/raspberrypi.svg" style="width: 32px;"/> | aarch64 | [lighthouse-${{ env.VERSION }}-aarch64-unknown-linux-gnu-portable.tar.gz](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/lighthouse-${{ env.VERSION }}-aarch64-unknown-linux-gnu-portable.tar.gz) | [PGP Signature](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/lighthouse-${{ env.VERSION }}-aarch64-unknown-linux-gnu-portable.tar.gz.asc) |
                  | | | | |
                  | **System** | **Option** | - | **Resource** |
                  | <img src="https://simpleicons.org/icons/docker.svg" style="width: 32px;"/> | Docker | - | [sigp/lighthouse](https://hub.docker.com/r/sigp/lighthouse) |
                  ENDBODY
                  )
                  assets=()
                  for asset in ./lighthouse-*.tar.gz*; do
                      assets+=("-a" "$asset/$asset")
                  done
                  tag_name="${{ env.VERSION }}"
                  echo "$body" | hub release create --draft "${assets[@]}" -F "-" "$tag_name"