name: Sync to skyvern-cloud
# Syncs merged OSS PRs (e.g. external contributions) to the cloud repo.
# Skips sync PRs that originated from cloud to prevent infinite loops.
on:
  pull_request_target:
    types: [closed]
    branches:
      - main
  workflow_dispatch:
    inputs:
      pr_number:
        description: 'PR number to sync. Input JUST the number, no #'
        required: true
        type: string
jobs:
  sync:
    runs-on: ubuntu-latest
    # Only run when:
    # 1. PR was merged (not just closed) OR manual dispatch
    # 2. PR is NOT a sync PR from cloud (prevents infinite sync loops)
    if: >
      (github.event.pull_request.merged == true || github.event_name == 'workflow_dispatch') && !contains(join(github.event.pull_request.labels.*.name, ','), 'sync') && !startsWith(github.event.pull_request.head.ref, 'repo-sync/')

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4
      - name: Determine Git credentials
        id: git-creds
        run: |
          case "${{ github.event.pull_request.user.login }}" in
            wintonzheng)
              echo "GH_PAT=${{ secrets.SKYVERN_CLOUD_GH_PAT }}" >> $GITHUB_OUTPUT
              echo "GIT_EMAIL=shu@skyvern.com" >> $GITHUB_OUTPUT
              echo "GIT_USERNAME=Shuchang Zheng" >> $GITHUB_OUTPUT
              ;;
            LawyZheng)
              echo "GH_PAT=${{ secrets.LAWY_GH_PAT }}" >> $GITHUB_OUTPUT
              echo "GIT_EMAIL=lawy@skyvern.com" >> $GITHUB_OUTPUT
              echo "GIT_USERNAME=Lawy Zheng" >> $GITHUB_OUTPUT
              ;;
            suchintan)
              echo "GH_PAT=${{ secrets.SUCHINTAN_GH_PAT }}" >> $GITHUB_OUTPUT
              echo "GIT_EMAIL=suchintansingh@gmail.com" >> $GITHUB_OUTPUT
              echo "GIT_USERNAME=Suchintan Singh" >> $GITHUB_OUTPUT
              ;;
            pedrohsdb)
              echo "GH_PAT=${{ secrets.PEDROHSDB_GH_PAT }}" >> $GITHUB_OUTPUT
              echo "GIT_EMAIL=pedro@skyvern.com" >> $GITHUB_OUTPUT
              echo "GIT_USERNAME=pedrohsdb" >> $GITHUB_OUTPUT
              ;;
            marcmuon)
              echo "GH_PAT=${{ secrets.MARC_GH_PAT }}" >> $GITHUB_OUTPUT
              echo "GIT_EMAIL=marc@skyvern.com" >> $GITHUB_OUTPUT
              echo "GIT_USERNAME=marcmuon" >> $GITHUB_OUTPUT
              ;;
            celalzamanoglu)
              echo "GH_PAT=${{ secrets.CELAL_GH_PAT }}" >> $GITHUB_OUTPUT
              echo "GIT_EMAIL=celal@skyvern.com" >> $GITHUB_OUTPUT
              echo "GIT_USERNAME=celalzamanoglu" >> $GITHUB_OUTPUT
              ;;
            *)
              echo "GH_PAT=${{ secrets.SKYVERN_CLOUD_GH_PAT }}" >> $GITHUB_OUTPUT
              echo "GIT_EMAIL=shu@skyvern.com" >> $GITHUB_OUTPUT
              echo "GIT_USERNAME=Shuchang Zheng" >> $GITHUB_OUTPUT
              ;;
          esac
      - name: Fetch PR details
        id: pr_details
        run: |
          if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
            PR_NUMBER=${{ inputs.pr_number }}
          else
            PR_NUMBER=${{ github.event.pull_request.number }}
          fi
          PR_INFO=$(gh pr view $PR_NUMBER --json number,headRefName,body,title,url,author)
          BRANCH_NAME=$(echo "$PR_INFO" | jq -r .headRefName)
          PR_BODY=$(echo "$PR_INFO" | jq -r .body)
          PR_TITLE=$(echo "$PR_INFO" | jq -r .title)
          PR_URL=$(echo "$PR_INFO" | jq -r .url)
          PR_AUTHOR=$(echo "$PR_INFO" | jq -r .author.login)
          echo "PR_NUMBER=$PR_NUMBER" >> $GITHUB_OUTPUT
          echo "BRANCH_NAME=$BRANCH_NAME" >> $GITHUB_OUTPUT
          PR_BODY_ESCAPED=$(echo "$PR_BODY" | jq -aRs .)
          echo "PR_BODY=$PR_BODY_ESCAPED" >> $GITHUB_OUTPUT
          echo "PR_TITLE=$PR_TITLE" >> $GITHUB_OUTPUT
          echo "PR_URL=$PR_URL" >> $GITHUB_OUTPUT
          echo "PR_AUTHOR=$PR_AUTHOR" >> $GITHUB_OUTPUT
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Check for migration changes
        id: check-migrations
        run: |
          if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
            PR_NUMBER=${{ inputs.pr_number }}
          else
            PR_NUMBER=${{ github.event.pull_request.number }}
          fi
          CHANGED_FILES=$(gh pr diff $PR_NUMBER --name-only || true)
          HAS_MIGRATIONS=false
          for file in $CHANGED_FILES; do
            if [[ "$file" == alembic/versions/* ]]; then
              HAS_MIGRATIONS=true
              break
            fi
          done
          echo "has_migrations=$HAS_MIGRATIONS" >> $GITHUB_OUTPUT
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Run GitHub File Sync
        id: file-sync
        uses: Skyvern-AI/repo-file-sync-action@main
        with:
          GH_PAT: ${{ steps.git-creds.outputs.GH_PAT }}
          GIT_EMAIL: ${{ steps.git-creds.outputs.GIT_EMAIL }}
          GIT_USERNAME: ${{ steps.git-creds.outputs.GIT_USERNAME }}
          PR_LABELS: |
            sync
            ${{ steps.pr_details.outputs.PR_AUTHOR }}
          BRANCH_NAME: repo-sync/${{ steps.pr_details.outputs.BRANCH_NAME }}
          PR_BODY: "PR: ${{ steps.pr_details.outputs.PR_URL }}\nAuthor: @${{ steps.pr_details.outputs.PR_AUTHOR }}\n\n${{ steps.pr_details.outputs.PR_BODY }}"
          PR_TITLE: ${{ steps.pr_details.outputs.PR_TITLE }}
      # Flag migration changes that need manual attention in the cloud repo
      - name: Comment migration warning on cloud sync PR
        if: >
          steps.check-migrations.outputs.has_migrations == 'true' && steps.file-sync.outputs.pull_request_urls

        uses: actions/github-script@v6
        with:
          github-token: ${{ steps.git-creds.outputs.GH_PAT }}
          script: |
            const urlsRaw = `${{ steps.file-sync.outputs.pull_request_urls }}`;
            let urls;
            try {
              urls = JSON.parse(urlsRaw);
            } catch {
              urls = [urlsRaw].filter(Boolean);
            }

            for (const url of urls) {
              const match = url.match(/github\.com\/([^/]+)\/([^/]+)\/pull\/(\d+)/);
              if (match) {
                const [, owner, repo, prNumber] = match;
                await github.rest.issues.createComment({
                  owner,
                  repo,
                  issue_number: parseInt(prNumber),
                  body: [
                    '⚠️ **Migration Alert**',
                    '',
                    'The source OSS PR included database migration changes in `alembic/versions/` that are **NOT automatically synced**.',
                    '',
                    'Please check if corresponding migrations need to be created in the cloud repo.',
                    '',
                    `Source PR: ${{ steps.pr_details.outputs.PR_URL }}`
                  ].join('\n')
                });
              }
            }