name: cargo_build

on:
  pull_request:

env:
  CARGO_TERM_COLOR: always
  RUSTFLAGS: "-C target-cpu=native"
  RUST_BACKTRACE: "full"
  RUST_MIN_STACK: "8388608"
  CHECKOUT_TOKEN: ${{ secrets.REPO_CHECKOUT_TOKEN || secrets.GITHUB_TOKEN }}

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  prepare-parallel-pcc-matrix:
    name: cargo_build/prepare-parallel-pcc-matrix
    runs-on: ubuntu-latest
    outputs:
      matrix_command: ${{ steps.set-pcc-commands-matrix.outputs.commands }}
    steps:
      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
        with:
          persist-credentials: "false"
          token: ${{ env.CHECKOUT_TOKEN }}

      # Fetch all the Make recipes that start with `pcc_batch_`
      - name: Set pcc commands matrix
        id: set-pcc-commands-matrix
        run: |
          COMMANDS=$(grep -oE '^pcc_batch_[^:]*:' Makefile | sed 's/:/\"/; s/^/\"/' | paste -sd,)
          echo "commands=[${COMMANDS}]" >> "$GITHUB_OUTPUT"

  parallel-pcc-cpu:
    name: cargo_build/parallel-pcc-cpu
    needs: prepare-parallel-pcc-matrix
    strategy:
      matrix:
        command: ${{ fromJson(needs.prepare-parallel-pcc-matrix.outputs.matrix_command)}}
      fail-fast: false
    uses: ./.github/workflows/cargo_build_common.yml
    with:
      run-pcc-cpu-batch: ${{ matrix.command }}
    secrets:
      BOT_USERNAME: ${{ secrets.BOT_USERNAME }}
      SLACK_CHANNEL: ${{ secrets.SLACK_CHANNEL }}
      SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
      REPO_CHECKOUT_TOKEN: ${{ secrets.REPO_CHECKOUT_TOKEN }}
      JOB_SECRET: ${{ secrets.JOB_SECRET }}
      SLAB_ACTION_TOKEN: ${{ secrets.SLAB_ACTION_TOKEN }}
      SLAB_URL: ${{ secrets.SLAB_URL }}
      SLAB_BASE_URL: ${{ secrets.SLAB_BASE_URL }}

  pcc-hpu:
    name: cargo_build/pcc-hpu
    uses: ./.github/workflows/cargo_build_common.yml
    with:
      run-pcc-hpu: true
    secrets:
      BOT_USERNAME: ${{ secrets.BOT_USERNAME }}
      SLACK_CHANNEL: ${{ secrets.SLACK_CHANNEL }}
      SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
      REPO_CHECKOUT_TOKEN: ${{ secrets.REPO_CHECKOUT_TOKEN }}
      JOB_SECRET: ${{ secrets.JOB_SECRET }}
      SLAB_ACTION_TOKEN: ${{ secrets.SLAB_ACTION_TOKEN }}
      SLAB_URL: ${{ secrets.SLAB_URL }}
      SLAB_BASE_URL: ${{ secrets.SLAB_BASE_URL }}

  build-tfhe-full:
    name: cargo_build/build-tfhe-full
    uses: ./.github/workflows/cargo_build_common.yml
    with:
      run-build-tfhe-full: true
      # GitHub macos-latest are now M1 macs, so use ours, we limit what runs so it will be fast
      # even with a few PRs
      extra-runners-to-use: macos-latest-xlarge,large_windows_16_latest
    secrets:
      BOT_USERNAME: ${{ secrets.BOT_USERNAME }}
      SLACK_CHANNEL: ${{ secrets.SLACK_CHANNEL }}
      SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
      REPO_CHECKOUT_TOKEN: ${{ secrets.REPO_CHECKOUT_TOKEN }}
      JOB_SECRET: ${{ secrets.JOB_SECRET }}
      SLAB_ACTION_TOKEN: ${{ secrets.SLAB_ACTION_TOKEN }}
      SLAB_URL: ${{ secrets.SLAB_URL }}
      SLAB_BASE_URL: ${{ secrets.SLAB_BASE_URL }}

  build:
    name: cargo_build/build
    uses: ./.github/workflows/cargo_build_common.yml
    with:
      run-build: true
    secrets:
      BOT_USERNAME: ${{ secrets.BOT_USERNAME }}
      SLACK_CHANNEL: ${{ secrets.SLACK_CHANNEL }}
      SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
      REPO_CHECKOUT_TOKEN: ${{ secrets.REPO_CHECKOUT_TOKEN }}
      JOB_SECRET: ${{ secrets.JOB_SECRET }}
      SLAB_ACTION_TOKEN: ${{ secrets.SLAB_ACTION_TOKEN }}
      SLAB_URL: ${{ secrets.SLAB_URL }}
      SLAB_BASE_URL: ${{ secrets.SLAB_BASE_URL }}

  build-layers:
    name: cargo_build/build-layers
    uses: ./.github/workflows/cargo_build_common.yml
    with:
      run-build-layers: true
    secrets:
      BOT_USERNAME: ${{ secrets.BOT_USERNAME }}
      SLACK_CHANNEL: ${{ secrets.SLACK_CHANNEL }}
      SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
      REPO_CHECKOUT_TOKEN: ${{ secrets.REPO_CHECKOUT_TOKEN }}
      JOB_SECRET: ${{ secrets.JOB_SECRET }}
      SLAB_ACTION_TOKEN: ${{ secrets.SLAB_ACTION_TOKEN }}
      SLAB_URL: ${{ secrets.SLAB_URL }}
      SLAB_BASE_URL: ${{ secrets.SLAB_BASE_URL }}

  build-c-api:
    name: cargo_build/build-c-api
    uses: ./.github/workflows/cargo_build_common.yml
    with:
      run-build-c-api: true
    secrets:
      BOT_USERNAME: ${{ secrets.BOT_USERNAME }}
      SLACK_CHANNEL: ${{ secrets.SLACK_CHANNEL }}
      SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
      REPO_CHECKOUT_TOKEN: ${{ secrets.REPO_CHECKOUT_TOKEN }}
      JOB_SECRET: ${{ secrets.JOB_SECRET }}
      SLAB_ACTION_TOKEN: ${{ secrets.SLAB_ACTION_TOKEN }}
      SLAB_URL: ${{ secrets.SLAB_URL }}
      SLAB_BASE_URL: ${{ secrets.SLAB_BASE_URL }}

  cargo-builds:
    name: cargo_build/cargo-builds (bpr)
    needs: [ parallel-pcc-cpu, pcc-hpu, build-tfhe-full, build, build-layers, build-c-api ]
    if: ${{ always() }}
    runs-on: ubuntu-latest
    steps:
      - name: Check all builds success
        if: needs.parallel-pcc-cpu.outputs.builds-result == 'success' &&
          needs.pcc-hpu.outputs.builds-result == 'success' &&
          needs.build-tfhe-full.outputs.builds-result == 'success' &&
          needs.build.outputs.builds-result == 'success' &&
          needs.build-layers.outputs.builds-result == 'success' &&
          needs.build-c-api.outputs.builds-result == 'success'
        run: |
          echo "All tfhe-rs build checks passed"

      - name: Check builds failure
        if: needs.parallel-pcc-cpu.outputs.builds-result != 'success' ||
          needs.pcc-hpu.outputs.builds-result != 'success' ||
          needs.build-tfhe-full.outputs.builds-result != 'success' ||
          needs.build.outputs.builds-result != 'success' ||
          needs.build-layers.outputs.builds-result != 'success' ||
          needs.build-c-api.outputs.builds-result != 'success'
        run: |
          echo "Some tfhe-rs build checks failed"
          exit 1