name: Build BAPI
on:
  issue_comment:
    types: [created]

jobs:
  build-bapi:
    if: |
      github.event.issue.pull_request &&
      (github.event.comment.body == '!build_bapi') &&
      ((github.event.sender.id == github.event.issue.user.id) ||
      (github.event.comment.author_association == 'COLLABORATOR') ||
      (github.event.comment.author_association == 'MEMBER') ||
      (github.event.comment.author_association == 'OWNER'))

    runs-on: ubuntu-latest
    steps:
      - name: Like the comment
        env:
          BASE_REPOSITORY: ${{ github.repository }}
          GH_TOKEN: ${{ github.token }}
        run: |
          gh api \
            --method POST \
            -H "Accept: application/vnd.github+json" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            /repos/$BASE_REPOSITORY/issues/comments/${{ github.event.comment.id }}/reactions \
            -f content='+1'

      - name: PR Data
        run: |
          pr_json=$(curl -L -s --fail-with-body -H "Authorization: token ${{ github.token }}" ${{ github.event.issue.pull_request.url }})
          if [ `jq -r '.maintainer_can_modify' <<<$pr_json` == "false" ] ; then
            gh pr comment ${{ github.event.issue.html_url }} --body 'GitHub Actions can not push to the repository without "Allow edits and access to secrets by maintainers" checked.'
            echo "FAIL_NOTIFIED=true" >> "$GITHUB_ENV"
            exit 1
          fi
          echo "PR_REPO=`jq -r '.head.repo.full_name' <<<$pr_json`" >> $GITHUB_ENV
          echo "PR_BRANCH=`jq -r '.head.ref' <<<$pr_json`" >> $GITHUB_ENV
          echo "PR_HEAD_LABEL=`jq -r '.head.label' <<<$pr_json`" >> $GITHUB_ENV

      - uses: actions/checkout@v4
        with:
          repository: ${{ env.PR_REPO }}
          ref: ${{ env.PR_BRANCH }}
          token: ${{ github.token }}

      - name: Build BAPI
        env:
          BASE_BRANCH: ${{ github.event.repository.default_branch }}
          BASE_REPOSITORY: ${{ github.repository }}
          GH_TOKEN: ${{ github.token }}
        run: |
          # Get the code.
          git config user.name AuroraBuildBot
          git config user.email "action@github.com"
          git pull origin "$PR_BRANCH" --depth=$((ahead_by + 1))
          git remote add upstream "https://github.com/$BASE_REPOSITORY.git"
          git fetch upstream "$BASE_BRANCH" --depth=$((behind_by + 1))
          cd rust/bapi

          # Get dependencies.
          rustup target add i686-unknown-linux-gnu
          rustup target add i686-pc-windows-gnu
          sudo dpkg --add-architecture i386
          sudo apt-get update
          sudo apt-get install zlib1g-dev:i386 lib32gcc-11-dev gcc-11-multilib mingw-w64 mingw-w64-i686-dev

          # Build it.
          cargo build --release --target i686-unknown-linux-gnu
          cargo build --release --target i686-pc-windows-gnu

          # Copy the built targets to their checked-in locations.
          cp target/i686-unknown-linux-gnu/release/libbapi.so ../../tools/ci/libbapi_ci.so
          cp target/i686-pc-windows-gnu/release/bapi.dll ../../bapi.dll

          # Check if a workflow file would be modified by the merge (permissions prevent pushes if so)
          latest_workflow_commit=$(git log -n 1 --pretty=format:"%H" upstream/$BASE_BRANCH -- .github/workflows)
          if ! git branch --contains $latest_workflow_commit | grep -q "$(git rev-parse --abbrev-ref HEAD)"; then
            gh pr comment ${{ github.event.issue.html_url }} --body "GitHub Actions can not push to this branch as workflow files have been changed since your branch was last updated. Please update your branch past https://github.com/$BASE_REPOSITORY/commit/$latest_workflow_commit before using this command again."
            echo "FAIL_NOTIFIED=true" >> "$GITHUB_ENV"
            exit 1
          fi

          git commit -a -m "Build BAPI" --allow-empty
          git push origin

      - name: Notify Failure
        if: failure() && env.FAIL_NOTIFIED != 'true'
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          gh pr comment ${{ github.event.issue.html_url }} -b 'Building BAPI failed, see the action run log for details: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}'