name: Check updated weights

on:
  pull_request:
    paths:
      - 'runtime/*/src/weights/**'

jobs:
  check_weights_files:
    strategy:
      fail-fast: false
      matrix:
        runtime: [westend, kusama, polkadot, rococo]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3
      - name: Check weights files
        shell: bash
        run: |
          scripts/ci/github/verify_updated_weights.sh ${{ matrix.runtime }}

  # This job uses https://github.com/ggwpez/substrate-weight-compare to compare the weights of the current
  # release with the last release, then adds them as a comment to the PR.
  check_weight_changes:
    strategy:
      fail-fast: false
      matrix:
        runtime: [westend, kusama, polkadot, rococo]
    runs-on: ubuntu-latest
    steps:
      - name: Get latest release
        run: |
          LAST_RELEASE=$(curl -s https://api.github.com/repos/paritytech/polkadot/releases/latest | jq -r .tag_name)
          echo "LAST_RELEASE=$LAST_RELEASE" >> $GITHUB_ENV
      - name: Checkout current sources
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: Check weight changes
        shell: bash
        run: |
          cargo install --git https://github.com/ggwpez/substrate-weight-compare swc
          ./scripts/ci/github/check_weights_swc.sh ${{ matrix.runtime }} "$LAST_RELEASE" | tee swc_output_${{ matrix.runtime }}.md
      - name: Add comment
        uses: thollander/actions-comment-pull-request@v2
        with:
          filePath: ./swc_output_${{ matrix.runtime }}.md
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}