name: Daily Root Certs Update Check

on:
  schedule:
    - cron: "0 0 * * *" # Runs at 00:00 UTC every day
  workflow_dispatch: # Allows manual trigger

jobs:
  check-and-update:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Bun
        uses: oven-sh/setup-bun@v1
        with:
          bun-version: latest

      - name: Generate root certs and capture output
        id: generate-certs
        run: |
          cd packages/bun-usockets/
          OUTPUT=$(bun generate-root-certs.mjs -v)
          echo "cert_output<<EOF" >> $GITHUB_ENV
          echo "$OUTPUT" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV

      - name: Check for changes and stage files
        id: check-changes
        run: |
          if [[ -n "$(git status --porcelain)" ]]; then
            echo "Found changes, staging modified files..."
            git config --global user.name "github-actions[bot]"
            git config --global user.email "github-actions[bot]@users.noreply.github.com"
            
            # Get list of modified files and add them
            git status --porcelain | while read -r status file; do
              # Remove leading status and whitespace
              file=$(echo "$file" | sed 's/^.* //')
              echo "Adding changed file: $file"
              git add "$file"
            done
            
            echo "changes=true" >> $GITHUB_OUTPUT
            
            # Store the list of changed files
            CHANGED_FILES=$(git status --porcelain)
            echo "changed_files<<EOF" >> $GITHUB_ENV
            echo "$CHANGED_FILES" >> $GITHUB_ENV
            echo "EOF" >> $GITHUB_ENV
          else
            echo "No changes detected"
            echo "changes=false" >> $GITHUB_OUTPUT
          fi

      - name: Create Pull Request
        if: steps.check-changes.outputs.changes == 'true'
        uses: peter-evans/create-pull-request@v5
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: "update(root_certs): Update root certificates $(date +'%Y-%m-%d')"
          title: "update(root_certs) $(date +'%Y-%m-%d')"
          body: |
            Automated root certificates update

            ${{ env.cert_output }}

            ## Changed Files:
            ```
            ${{ env.changed_files }}
            ```
          branch: certs/update-root-certs
          base: main
          delete-branch: true
          labels:
            - "automation"
            - "root-certs"