name: AutoMergeScan
on:
  schedule:
    - cron: '31 */2 * * *'
  workflow_dispatch:

jobs:
  automerge_scan:
    if: github.repository_owner == 'sonic-net'
    runs-on: ubuntu-latest
    steps:
    - name: Debug
      env:
        TOKEN: ${{ secrets.TOKEN }}
      run: |
        set -e

        echo ${TOKEN} | gh auth login --with-token
        gh pr list -R sonic-net/sonic-buildimage -A mssonicbld --json additions,assignees,author,baseRefName,body,changedFiles,closed,closedAt,comments,commits,createdAt,deletions,files,headRefName,headRepository,headRepositoryOwner,id,isCrossRepository,isDraft,labels,latestReviews,maintainerCanModify,mergeCommit,mergeStateStatus,mergeable,mergedAt,mergedBy,milestone,number,potentialMergeCommit,projectCards,reactionGroups,reviewDecision,reviewRequests,reviews,state,statusCheckRollup,title,updatedAt,url > prs.log
        cat prs.log | jq
    - name: Main
      run: |
        set -e

        count=$(cat prs.log | jq 'length')
        for ((i=0;i<$count;i++))
        do
          url=$(cat prs.log | jq -r ".[$i].url")
          created_at=$(cat prs.log | jq -r ".[$i].createdAt")
          echo PR: $(($i+1))/$count, URL: $url, createdAt: $created_at, now: $(date -u +"%FT%TZ")
          [[ "$url" == "" ]] && continue
          [[ $created_at > $(date --date "1 hour ago" -u +"%FT%TZ") ]] && continue
          # only check automerge PR.
          cat prs.log | jq -r ".[$i].labels[].name" | grep automerge || continue

          checks=$(cat prs.log | jq ".[$i].statusCheckRollup")
          checks_count=$(echo $checks | jq 'length')
          echo Checks count: $checks_count
          for ((j=0;j<$checks_count;j++))
          do
            check=$(echo $checks | jq ".[$j]")
            state=$(echo $check | jq -r '.state')
            conclusion=$(echo $check | jq -r '.conclusion')
            name=$(echo $check | jq -r '.name')

            # EasyCLA success flag:  state=SUCCESS
            # Others success flag:   conclusion in SUCCESS,NEUTRAL
            # Ignore Azure.sonic-buildimage stage check result. It may be set continueOnError
            echo "$name" | grep "Azure.sonic-buildimage (" && continue
            # rerun Azure.sonic-buildimage per day
            if [[ "$name" == "Azure.sonic-buildimage" ]] && [[ "$conclusion" == "FAILURE" ]];then
              completedAt=$(echo $check | jq -r '.completedAt')
              [[ "$completedAt" < $(date --date "2 hour ago" -u +"%FT%TZ") ]] && [[ $(date -u +"%T") < "02:00:00" ]] && gh pr comment $url --body "/azp run Azure.sonic-buildimage"
            fi
            # Ignore Semgrep, it has issues.
            [[ "$name" == "Semgrep" ]] && continue
            if [[ "$state" == "SUCCESS" ]];then
              # check pass
              continue
            elif [[ "$conclusion" == "SUCCESS" ]] || [[ "$conclusion" == "NEUTRAL" ]];then
              # check pass
              continue
            else
              echo "$url Check failed!!!"
              echo $check | jq
              continue 2
            fi
          done
          # merge the PR
          echo ========Merging  PR========
          gh pr merge --rebase --admin -R sonic-net/sonic-buildimage $url || true
          echo ========Finished PR========
        done