name: Coverage

on:
  # On push to common branches, this computes the coverage that PRs will use for diff
  push:
    branches:
      - master
  pull_request:
  merge_group:
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  codecov:
    name: Run coverage and upload to codecov
    runs-on: ubuntu-22.04
    env:
      CICOV: YES
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Nim
        uses: "./.github/actions/install_nim"
        with:
          os: linux
          cpu: amd64
          shell: bash

      - name: Restore deps from cache
        id: deps-cache
        uses: actions/cache@v4
        with:
          path: nimbledeps
          key: nimbledeps-${{ hashFiles('.pinned') }}

      - name: Install deps
        if: ${{ steps.deps-cache.outputs.cache-hit != 'true' }}
        run: |
          nimble install_pinned

      - name: Setup coverage
        run: |
          sudo apt-get update
          sudo apt-get install -y lcov build-essential git curl
          mkdir coverage

      - name: Run test suite with coverage flags
        run: |
          export NIMFLAGS="--lineDir:on --passC:-fprofile-arcs --passC:-ftest-coverage --passL:-fprofile-arcs --passL:-ftest-coverage"
          nimble testnative
          nimble testpubsub
          nimble testfilter

      - name: Run coverage
        run: |
          find nimcache -name *.c -delete
          lcov --capture --directory nimcache --output-file coverage/coverage.info
          shopt -s globstar
          ls `pwd`/libp2p/{*,**/*}.nim
          lcov --extract coverage/coverage.info  `pwd`/libp2p/{*,**/*}.nim --output-file coverage/coverage.f.info
          genhtml coverage/coverage.f.info --output-directory coverage/output

      - name: Upload coverage to codecov
        run: |
          bash <(curl -s https://codecov.io/bash) -f coverage/coverage.f.info || echo "Codecov did not collect coverage reports"