name: platform artifact comment

on:
  workflow_run:
    workflows: [ci]
    types: [completed]

permissions:
  contents: read
  issues: write
  pull-requests: write

jobs:
  comment:
    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest
    steps:
      - id: artifacts
        env:
          GH_TOKEN: ${{ github.token }}
          RUN_ID: ${{ github.event.workflow_run.id }}
          HEAD_BRANCH: ${{ github.event.workflow_run.head_branch }}
          HEAD_REPOSITORY: ${{ github.event.workflow_run.head_repository.full_name }}
        run: |
          set -euo pipefail
          artifacts="$(gh api "repos/$GITHUB_REPOSITORY/actions/runs/$RUN_ID/artifacts")"
          head_owner="${HEAD_REPOSITORY%%/*}"
          pr_number="$(gh api "repos/$GITHUB_REPOSITORY/pulls?state=open&head=$head_owner:$HEAD_BRANCH" --jq '.[0].number // empty')"
          [ -n "$pr_number" ] || exit 0

          message="## CI build artifacts"
          found=0
          while IFS='|' read -r platform artifact_name artifact_file; do
            artifact_id="$(printf '%s' "$artifacts" | jq -r --arg name "$artifact_name" '[.artifacts[] | select(.name == $name) | .id][0] // empty')"
            if [ -n "$artifact_id" ] && [ "$artifact_id" != null ]; then
              artifact_url="https://github.com/$GITHUB_REPOSITORY/actions/runs/$RUN_ID/artifacts/$artifact_id"
              message+=$'\n'"- **$platform**: [$artifact_file]($artifact_url)"
              found=1
            fi
          done <<'ARTIFACTS'
          macOS|gen1recomp++-macos|gen1recomp++-macos.zip
          iOS|gen1recomp++-ios-ipa|gen1recomp++.ipa
          Nintendo Switch|gen1recomp-switch-nro|gen1recomp-switch.nro
          Xbox UWP|gen1recomp-xbox-uwp|gen1recomp-xbox-uwp.zip
          Linux arm64|gen1recomp-linux-arm64|gen1recomp-linux-arm64.AppImage
          ARTIFACTS

          [ "$found" -eq 1 ] || exit 0
          commit_hash="$(printf '%s' "${{ github.event.workflow_run.head_sha }}" | cut -c1-7)"
          build_time="$(date -u "+%Y-%m-%d %H:%M:%S UTC")"
          message+=$'\n\n'"**Commit**: [#$commit_hash](https://github.com/$HEAD_REPOSITORY/commit/${{ github.event.workflow_run.head_sha }})"
          message+=$'\n'"**Build Time**: \`$build_time\`"
          message+=$'\n\n'"<sub>This comment was automatically generated. [View workflow run](https://github.com/$GITHUB_REPOSITORY/actions/runs/$RUN_ID)</sub>"

          echo "pr_number=$pr_number" >> "$GITHUB_OUTPUT"
          {
            echo 'message<<BUILD_MESSAGE'
            printf '%s\n' "$message"
            echo 'BUILD_MESSAGE'
          } >> "$GITHUB_OUTPUT"
      - name: comment platform artifacts
        if: steps.artifacts.outputs.pr_number != ''
        uses: thollander/actions-comment-pull-request@v3
        with:
          message: ${{ steps.artifacts.outputs.message }}
          pr-number: ${{ steps.artifacts.outputs.pr_number }}
          comment-tag: platform-build-result
          github-token: ${{ github.token }}