name: Backend

on:
  workflow_call:
  workflow_dispatch:

env:
  RUST_VERSION: "1.67.1"
  ENVIRONMENT: "dev"

jobs:
  build_libs:
    name: Build libs
    strategy:
      fail-fast: false
      matrix:
        target: [x86_64, aarch64]
        include:
          - target: x86_64
            snapshot_command: ./build-v8-snapshot.sh
            artifact_name: js_snapshot
            artifact_path: libs/js_engine/src/artifacts/JS_SNAPSHOT.bin
          - target: aarch64
            snapshot_command: ./build-arm-v8-snapshot.sh
            artifact_name: arm_js_snapshot
            artifact_path: libs/js_engine/src/artifacts/ARM_JS_SNAPSHOT.bin
    runs-on: ubuntu-latest
    timeout-minutes: 60
    steps:
    - uses: actions/checkout@v3
      with:
        submodules: recursive
        
    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2
      if: ${{ matrix.target == 'aarch64' }}
      
    - name: Set up Docker Buildx        
      uses: docker/setup-buildx-action@v2
      if: ${{ matrix.target == 'aarch64' }}

    - name: "Install Rust"
      run: |
        rustup toolchain install ${{ env.RUST_VERSION }} --profile minimal --no-self-update
        rustup default ${{ inputs.rust }}
      shell: bash
      if: ${{ matrix.target == 'x86_64' }}
    
    - uses: actions/cache@v3
      with:
        path: |
          ~/.cargo/bin/
          ~/.cargo/registry/index/
          ~/.cargo/registry/cache/
          ~/.cargo/git/db/
          libs/target/
        key: ${{ runner.os }}-cargo-libs-${{ matrix.target }}-${{ hashFiles('libs/Cargo.lock') }}

    - name: Build v8 snapshot
      run: ${{ matrix.snapshot_command }}
      working-directory: libs

    - uses: actions/upload-artifact@v3
      with:
        name: ${{ matrix.artifact_name }}
        path: ${{ matrix.artifact_path }}

  build_backend:
    name: Build backend
    strategy:
      fail-fast: false
      matrix:
        target: [x86_64, aarch64]
        include:
          - target: x86_64
            snapshot_download: js_snapshot
          - target: aarch64
            snapshot_download: arm_js_snapshot
    runs-on: ubuntu-latest
    timeout-minutes: 120
    needs: build_libs
    steps:
    - uses: actions/checkout@v3
      with:
        submodules: recursive
    
    - name: Download ${{ matrix.snapshot_download }} artifact
      uses: actions/download-artifact@v3
      with:
        name: ${{ matrix.snapshot_download }}
        path: libs/js_engine/src/artifacts/
        
    - name: "Install Rust"
      run: |
        rustup toolchain install ${{ env.RUST_VERSION }} --profile minimal --no-self-update
        rustup default ${{ inputs.rust }}
      shell: bash
      if: ${{ matrix.target == 'x86_64' }}
    
    - uses: actions/cache@v3
      with:
        path: |
          ~/.cargo/bin/
          ~/.cargo/registry/index/
          ~/.cargo/registry/cache/
          ~/.cargo/git/db/
          backend/target/
        key: ${{ runner.os }}-cargo-backend-${{ matrix.target }}-${{ hashFiles('backend/Cargo.lock') }}

    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install libavahi-client-dev
      if: ${{ matrix.target == 'x86_64' }}

    - name: Check Git Hash
      run: ./check-git-hash.sh

    - name: Check Environment
      run: ./check-environment.sh

    - name: Build backend
      run: make ARCH=${{ matrix.target }} backend

    - name: 'Tar files to preserve file permissions'
      run: make ARCH=${{ matrix.target }} backend-${{ matrix.target }}.tar

    - uses: actions/upload-artifact@v3
      with:
        name: backend-${{ matrix.target }}
        path: backend-${{ matrix.target }}.tar
    
    - name: Install nextest
      uses: taiki-e/install-action@nextest

    - name: Build and archive tests
      run: cargo nextest archive --archive-file nextest-archive-${{ matrix.target }}.tar.zst --target ${{ matrix.target }}-unknown-linux-gnu
      working-directory: backend
      if: ${{ matrix.target == 'x86_64' }}

    - name: Build and archive tests
      run: |
        docker run --rm \
        -v "$HOME/.cargo/registry":/root/.cargo/registry \
        -v "$(pwd)":/home/rust/src \
        -P start9/rust-arm-cross:aarch64 \
        sh -c 'cd /home/rust/src/backend &&
          rustup install ${{ env.RUST_VERSION }} &&
          rustup override set ${{ env.RUST_VERSION }} &&
          rustup target add aarch64-unknown-linux-gnu &&
          curl -LsSf https://get.nexte.st/latest/linux | tar zxf - -C ${CARGO_HOME:-~/.cargo}/bin &&
          cargo nextest archive --archive-file nextest-archive-${{ matrix.target }}.tar.zst --target ${{ matrix.target }}-unknown-linux-gnu'
      if: ${{ matrix.target == 'aarch64' }}

    - name: Reset permissions
      run: sudo chown -R $USER target
      working-directory: backend
      if: ${{ matrix.target == 'aarch64' }}

    - name: Upload archive to workflow
      uses: actions/upload-artifact@v3
      with:
        name: nextest-archive-${{ matrix.target }}
        path: backend/nextest-archive-${{ matrix.target }}.tar.zst

  run_tests_backend:
    name: Test backend
    strategy:
      fail-fast: false
      matrix:
        target: [x86_64, aarch64]
        include:
          - target: x86_64
          - target: aarch64
    runs-on: ubuntu-latest
    timeout-minutes: 60
    needs: build_backend
    env:
      CARGO_TERM_COLOR: always
    steps:
    - uses: actions/checkout@v3
      with:
        submodules: recursive

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2
      if: ${{ matrix.target == 'aarch64' }}

    - name: Set up Docker Buildx        
      uses: docker/setup-buildx-action@v2
      if: ${{ matrix.target == 'aarch64' }}

    - run: mkdir -p ~/.cargo/bin
      if: ${{ matrix.target == 'x86_64' }}

    - name: Install nextest
      uses: taiki-e/install-action@v2
      with:
        tool: nextest@0.9.47
      if: ${{ matrix.target == 'x86_64' }}

    - name: Download archive
      uses: actions/download-artifact@v3
      with:
        name: nextest-archive-${{ matrix.target }}

    - name: Download nextest (aarch64)
      run: wget -O nextest-aarch64.tar.gz https://get.nexte.st/0.9.47/linux-arm
      if: ${{ matrix.target == 'aarch64' }}

    - name: Run tests
      run: |
        ${CARGO_HOME:-~/.cargo}/bin/cargo-nextest nextest run --no-fail-fast --archive-file nextest-archive-${{ matrix.target }}.tar.zst \
        --filter-expr 'not (test(system::test_get_temp) | test(net::tor::test) | test(system::test_get_disk_usage) | test(net::ssl::certificate_details_persist) | test(net::ssl::ca_details_persist))'
      if: ${{ matrix.target == 'x86_64' }}

    - name: Run tests
      run: |
        docker run --rm --platform linux/arm64/v8 \
        -v "/home/runner/.cargo/registry":/usr/local/cargo/registry \
        -v "$(pwd)":/home/rust/src \
        -e CARGO_TERM_COLOR=${{ env.CARGO_TERM_COLOR }} \
        -P ubuntu:20.04 \
        sh -c '
          apt-get update &&
          apt-get install -y ca-certificates &&
          apt-get install -y rsync &&
          cd /home/rust/src &&
          mkdir -p ~/.cargo/bin &&
          tar -zxvf nextest-aarch64.tar.gz -C ${CARGO_HOME:-~/.cargo}/bin &&
          ${CARGO_HOME:-~/.cargo}/bin/cargo-nextest nextest run --archive-file nextest-archive-${{ matrix.target }}.tar.zst \
          --filter-expr "not (test(system::test_get_temp) | test(net::tor::test) | test(system::test_get_disk_usage) | test(net::ssl::certificate_details_persist) | test(net::ssl::ca_details_persist))"'
      if: ${{ matrix.target == 'aarch64' }}