name: CI

on:
  push:
    branches:
      - main
      - rel-*
    tags:
      - v*
  pull_request:
    branches:
      - main
      - rel-*

jobs:
  Lint-Style:
    name: Lint & check code style
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Setup Nix Environment
        uses: ./.github/actions/setup-nix
        with:
          tools: style
      - name: Run linter (check locally with `nix-shell --run postgrest-lint`)
        run: postgrest-lint
      - name: Run style check (auto-format with `nix-shell --run postgrest-style`)
        run: postgrest-style-check


  Test-Nix:
    name: Test (Nix)
    runs-on: ubuntu-latest
    defaults:
      run:
        # Hack for enabling color output, see:
        # https://github.com/actions/runner/issues/241#issuecomment-842566950
        shell: script -qec "bash --noprofile --norc -eo pipefail {0}"
    steps:
      - uses: actions/checkout@v3
      - name: Setup Nix Environment
        uses: ./.github/actions/setup-nix
        with:
          tools: tests

      - name: Run coverage (IO tests and Spec tests against PostgreSQL 15)
        run: postgrest-coverage
      - name: Upload coverage to codecov
        uses: codecov/codecov-action@v3.1.1
        with:
          files: ./coverage/codecov.json

      - name: Run doctests
        if: always()
        run: nix-shell --run postgrest-test-doctests

      - name: Check the spec tests for idempotence
        if: always()
        run: postgrest-test-spec-idempotence


  Test-Pg-Nix:
    strategy:
      fail-fast: false
      matrix:
        pgVersion: [9.6, 10, 11, 12, 13, 14, 15]
    name: Test PG ${{ matrix.pgVersion }} (Nix)
    runs-on: ubuntu-latest
    defaults:
      run:
        # Hack for enabling color output, see:
        # https://github.com/actions/runner/issues/241#issuecomment-842566950
        shell: script -qec "bash --noprofile --norc -eo pipefail {0}"
    steps:
      - uses: actions/checkout@v3
      - name: Setup Nix Environment
        uses: ./.github/actions/setup-nix
        with:
          tools: tests withTools

      - name: Run spec tests
        if: always()
        run: postgrest-with-postgresql-${{ matrix.pgVersion }} postgrest-test-spec

      - name: Run IO tests
        if: always()
        run: postgrest-with-postgresql-${{ matrix.pgVersion }} -f test/io/fixtures.sql postgrest-test-io


  Test-Memory-Nix:
    name: Test memory (Nix)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Setup Nix Environment
        uses: ./.github/actions/setup-nix
        with:
          tools: memory
      - name: Run memory tests
        run: postgrest-test-memory


  Build-Static-Nix:
    name: Build Linux static (Nix)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Setup Nix Environment
        uses: ./.github/actions/setup-nix
        with:
          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
          tools: tests

      - name: Build static executable
        run: nix-build -A postgrestStatic
      - name: Check static executable
        run: postgrest-check-static result/bin/postgrest
      - name: Save built executable as artifact
        uses: actions/upload-artifact@v3
        with:
          name: postgrest-linux-static-x64
          path: result/bin/postgrest
          if-no-files-found: error

      - name: Build Docker image
        run: nix-build -A docker.image --out-link postgrest-docker.tar.gz
      - name: Save built Docker image as artifact
        uses: actions/upload-artifact@v3
        with:
          name: postgrest-docker-x64
          path: postgrest-docker.tar.gz
          if-no-files-found: error

      - name: Build and push everything to Cachix (main branch only)
        if: ${{ github.ref == 'refs/heads/main' }}
        run: |
          nix-build
          nix-env -f default.nix -iA devTools
          postgrest-push-cachix


  Build-Stack:
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: Linux
            runs-on: ubuntu-latest
            cache: |
              ~/.stack
              .stack-work
            artifact: postgrest-ubuntu-x64

          - name: MacOS
            runs-on: macos-latest
            cache: |
              ~/.stack
              .stack-work
            artifact: postgrest-macos-x64

          - name: Windows
            runs-on: windows-latest
            cache: |
              ~\AppData\Roaming\stack
              ~\AppData\Local\Programs\stack
              .stack-work
            deps: Add-Content $env:GITHUB_PATH $env:PGBIN
            artifact: postgrest-windows-x64

    name: Build ${{ matrix.name }} (Stack)
    runs-on: ${{ matrix.runs-on }}
    steps:
      - uses: actions/checkout@v3
      - name: Stack working files cache
        uses: actions/cache@v3
        with:
          path: ${{ matrix.cache }}
          key: ${{ runner.os }}-${{ hashFiles('stack.yaml.lock') }}
      - name: Install dependencies
        if: ${{ matrix.deps }}
        run: ${{ matrix.deps }}
      - name: Build with Stack
        run: stack build --local-bin-path result --copy-bins
      - name: Save built executable as artifact
        uses: actions/upload-artifact@v3
        with:
          name: ${{ matrix.artifact }}
          path: |
            result/postgrest
            result/postgrest.exe
          if-no-files-found: error

  Get-FreeBSD-CirrusCI:
    name: Get FreeBSD build from CirrusCI
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Get FreeBSD executable from CirrusCI
        env:
          # GITHUB_SHA does weird things for pull request, so we roll our own:
          GITHUB_COMMIT: ${{github.event.pull_request.head.sha || github.sha}}
        run: .github/get_cirrusci_freebsd
      - name: Save executable as artifact
        uses: actions/upload-artifact@v3
        with:
          name: postgrest-freebsd-x64
          path: postgrest
          if-no-files-found: error

  Build-Cabal:
    strategy:
      matrix:
        ghc: ['8.10.7', '9.2.4']
      fail-fast: false
    name: Build Linux (Cabal, GHC ${{ matrix.ghc }})
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: ghcup
        run: |
          ghcup install ghc ${{ matrix.ghc }}
          ghcup set ghc ${{ matrix.ghc }}
      - name: Copy cabal.project
        run: |
          cp cabal.project.non-nix cabal.project
      - name: Cache
        uses: actions/cache@v3
        with:
          path: ~/.cabal
          key: ${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('**/*.cabal') }}-${{ hashFiles('**/cabal.project') }}
          restore-keys: |
            ${{ runner.os }}-${{ matrix.ghc }}-
      - name: Install dependencies
        run: |
          cabal update
          cabal build --only-dependencies --enable-tests --enable-benchmarks
      - name: Build
        run: cabal build --enable-tests --enable-benchmarks all

  Build-Cabal-Arm:
    name: Build aarch64 (Cabal)
    if: ${{ github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v') || startsWith(github.ref, 'refs/heads/rel-') }}
    runs-on: ubuntu-latest
    outputs:
      remotepath: ${{ steps.Remote-Dir.outputs.remotepath }}
    env:
      GITHUB_COMMIT: ${{ github.sha }}
    steps:
      - uses: actions/checkout@v3
      - id: Remote-Dir
        name: Unique directory name for the remote build
        run: echo "::set-output name=remotepath::postgrest-build-$(uuidgen)"
      - name: Copy script files to the remote server
        uses: appleboy/scp-action@master
        with:
          host: ${{ secrets.SSH_ARM_HOST }}
          username: ubuntu
          key: ${{ secrets.SSH_ARM_PRIVATE_KEY }}
          fingerprint: ${{ secrets.SSH_ARM_FINGERPRINT }}
          source: ".github/scripts/arm/*"
          target: ${{ steps.Remote-Dir.outputs.remotepath }}
          strip_components: 3
      - name: Build ARM
        uses: appleboy/ssh-action@master
        env:
          REMOTE_DIR: ${{ steps.Remote-Dir.outputs.remotepath }}
        with:
          host: ${{ secrets.SSH_ARM_HOST }}
          username: ubuntu
          key: ${{ secrets.SSH_ARM_PRIVATE_KEY }}
          fingerprint: ${{ secrets.SSH_ARM_FINGERPRINT }}
          command_timeout: 120m
          script_stop: true
          envs: GITHUB_COMMIT,REMOTE_DIR
          script: bash ~/$REMOTE_DIR/build.sh "$GITHUB_COMMIT" "$REMOTE_DIR"
      - name: Download binaries from remote server
        uses: nicklasfrahm/scp-action@main
        with:
          direction: download
          host: ${{ secrets.SSH_ARM_HOST }}
          username: ubuntu
          key: ${{ secrets.SSH_ARM_PRIVATE_KEY }}
          fingerprint: ${{ secrets.SSH_ARM_FINGERPRINT }}
          source: "${{ steps.Remote-Dir.outputs.remotepath }}/result.tar.xz"
          target: "result.tar.xz"
      - name: Extract downloaded binaries
        run: tar -xvf result.tar.xz && rm result.tar.xz
      - name: Save aarch64 executable as artifact
        uses: actions/upload-artifact@v2.3.1
        with:
          name: postgrest-ubuntu-aarch64
          path: result/postgrest
          if-no-files-found: error


  Prepare-Release:
    name: Prepare release
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    needs:
      - Lint-Style
      - Test-Nix
      - Test-Pg-Nix
      - Test-Memory-Nix
      - Build-Static-Nix
      - Build-Stack
      #- Get-FreeBSD-CirrusCI
      - Build-Cabal-Arm
    outputs:
      version: ${{ steps.Identify-Version.outputs.version }}
      isprerelease: ${{ steps.Identify-Version.outputs.isprerelease }}
    steps:
      - uses: actions/checkout@v3
      - id: Identify-Version
        name: Identify the version to be released
        run: |
          tag_version="${GITHUB_REF##*/}"
          cabal_version="$(grep -oP '^version:\s*\K.*' postgrest.cabal)"

          if [ "$tag_version" != "v$cabal_version" ]; then
            echo "Tagged version ($tag_version) does not match the one in postgrest.cabal (v$cabal_version). Aborting release..."
            exit 1
          else
            echo "Version to be released is $cabal_version"
            echo "::set-output name=version::$cabal_version"
          fi

          if [[ "$cabal_version" != *.*.*.* ]]; then
            echo "Version is for a full release (version does not have four components)"
          else
            echo "Version is for a pre-release (version has four components, e.g., 1.1.1.1)"
            echo "::set-output name=isprerelease::1"
          fi
      - name: Identify changes from CHANGELOG.md
        run: |
          version="${{ steps.Identify-Version.outputs.version }}"
          isprerelease="${{ steps.Identify-Version.outputs.isprerelease }}"

          if [ -n "$isprerelease" ]; then
            echo "Getting unreleased changes..."
            sed -n "1,/## Unreleased/d;/## \[/q;p" CHANGELOG.md > CHANGES.md
          else
            echo "Full release (no '-' in version), getting changes for version $version ..."
            sed -n "1,/## \[$version\]/d;/## \[/q;p" CHANGELOG.md > CHANGES.md
          fi

          echo "Relevant extract from CHANGELOG.md:"
          cat CHANGES.md
      - name: Save CHANGES.md as artifact
        uses: actions/upload-artifact@v3
        with:
          name: release-changes
          path: CHANGES.md
          if-no-files-found: error


  Release-GitHub:
    name: Release on GitHub
    permissions:
      contents: write
    runs-on: ubuntu-latest
    needs: Prepare-Release
    env:
      VERSION: ${{ needs.Prepare-Release.outputs.version }}
    steps:
      - uses: actions/checkout@v3
      - name: Download all artifacts
        uses: actions/download-artifact@v3
        with:
          path: artifacts
      - name: Create release bundle with archives for all builds
        run: |
          find artifacts -type f -iname postgrest -exec chmod +x {} \;

          mkdir -p release-bundle

          tar cJvf "release-bundle/postgrest-v$VERSION-linux-static-x64.tar.xz" \
            -C artifacts/postgrest-linux-static-x64 postgrest

          # No need to release Ubuntu, as the static Linux binary built with Nix
          # covers all Linux use-cases
          #tar cfJv "release-bundle/postgrest-v$VERSION-ubuntu-x64.tar.xz" \
          #  -C artifacts/postgrest-ubuntu-x64 postgrest

          tar cJvf "release-bundle/postgrest-v$VERSION-macos-x64.tar.xz" \
            -C artifacts/postgrest-macos-x64 postgrest

          # TODO: Fix timeouts for FreeBSD builds in Cirrus
          #tar cJvf "release-bundle/postgrest-v$VERSION-freebsd-x64.tar.xz" \
          #  -C artifacts/postgrest-freebsd-x64 postgrest

          tar cJvf "release-bundle/postgrest-v$VERSION-ubuntu-aarch64.tar.xz" \
            -C artifacts/postgrest-ubuntu-aarch64 postgrest

          zip "release-bundle/postgrest-v$VERSION-windows-x64.zip" \
            artifacts/postgrest-windows-x64/postgrest.exe

      - name: Save release bundle
        uses: actions/upload-artifact@v3
        with:
          name: release-bundle
          path: release-bundle
          if-no-files-found: error

      - name: Publish release on GitHub
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          isprerelease="${{ needs.Prepare-Release.outputs.isprerelease }}"
          echo "Releasing version v$VERSION on GitHub (isprerelease=$isprerelease)..."

          gh release delete "v$VERSION" || true
          gh release create "v$VERSION" \
            -F artifacts/release-changes/CHANGES.md \
            ${isprerelease:+"--prerelease"} \
            release-bundle/*


  Release-Docker:
    name: Release on Docker Hub
    runs-on: ubuntu-latest
    needs:
      - Build-Cabal-Arm
      - Prepare-Release
    env:
      GITHUB_COMMIT: ${{ github.sha }}
      DOCKER_REPO: postgrest
      DOCKER_USER: stevechavez
      DOCKER_PASS: ${{ secrets.DOCKER_PASS }}
      VERSION: ${{ needs.Prepare-Release.outputs.version }}
      ISPRERELEASE: ${{ needs.Prepare-Release.outputs.isprerelease }}
    steps:
      - uses: actions/checkout@v3
      - name: Setup Nix Environment
        uses: ./.github/actions/setup-nix
        with:
          tools: release
      - name: Download Docker image
        uses: actions/download-artifact@v3
        with:
          name: postgrest-docker-x64
      - name: Publish images on Docker Hub
        run: |
          docker login -u "$DOCKER_USER" -p "$DOCKER_PASS"
          docker load -i postgrest-docker.tar.gz

          docker tag postgrest:latest "$DOCKER_REPO/postgrest:v$VERSION"
          docker push "$DOCKER_REPO/postgrest:v$VERSION"

          # Only tag 'latest' for full releases
          if [[ -z "$ISPRERELEASE" ]]; then
            echo "Pushing to 'latest' tag for full release of v$VERSION ..."
            docker tag postgrest:latest "$DOCKER_REPO"/postgrest:latest
            docker push "$DOCKER_REPO"/postgrest:latest
          else
            echo "Skipping pushing to 'latest' tag for v$VERSION pre-release..."
          fi
      - name: Publish images for ARM builds on Docker Hub
        uses: appleboy/ssh-action@master
        env:
          REMOTE_DIR: ${{ needs.Build-Cabal-Arm.outputs.remotepath }}
        with:
          host: ${{ secrets.SSH_ARM_HOST }}
          username: ubuntu
          key: ${{ secrets.SSH_ARM_PRIVATE_KEY }}
          fingerprint: ${{ secrets.SSH_ARM_FINGERPRINT }}
          script_stop: true
          envs: GITHUB_COMMIT,DOCKER_REPO,DOCKER_USER,DOCKER_PASS,REMOTE_DIR,VERSION,ISPRERELEASE
          script: bash ~/$REMOTE_DIR/docker-publish.sh "$GITHUB_COMMIT" "$DOCKER_REPO" "$DOCKER_USER" "$DOCKER_PASS" "$REMOTE_DIR" "$VERSION" "$ISPRERELEASE"
# TODO: Enable dockerhub description update again, once a solution for the permission problem is found:
# https://github.com/docker/hub-feedback/issues/1927
#      - name: Update descriptions on Docker Hub
#        env:
#          DOCKER_PASS: ${{ secrets.DOCKER_PASS }}
#        run: |
#          if [[ -z "$ISPRERELEASE" ]]; then
#            echo "Updating description on Docker Hub..."
#            postgrest-release-dockerhub-description
#          else
#            echo "Skipping updating description for pre-release..."
#          fi

  Clean-Arm-Server:
    name: Remove copied files from server
    needs:
      - Build-Cabal-Arm
      - Release-Docker
    if: ${{ always() && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v') || startsWith(github.ref, 'refs/heads/rel-')) }}
    runs-on: ubuntu-latest
    env:
      REMOTE_DIR: ${{ needs.Build-Cabal-Arm.outputs.remotepath }}
    steps:
      - uses: actions/checkout@v2.4.0
      - name: Remove uploaded files from server
        uses: appleboy/ssh-action@master
        with:
          host: ${{ secrets.SSH_ARM_HOST }}
          username: ubuntu
          key: ${{ secrets.SSH_ARM_PRIVATE_KEY }}
          fingerprint: ${{ secrets.SSH_ARM_FINGERPRINT }}
          envs: REMOTE_DIR
          script: rm -rf $REMOTE_DIR