name: Dependency Updates

on:
  schedule:
    - cron: "0 2 * * 1" # Every Monday at 2 AM UTC
  workflow_dispatch:

jobs:
  update-dependencies:
    runs-on: [ubuntu-latest]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"
          cache: "npm"
          cache-dependency-path: frontend/package-lock.json

      - name: Update Frontend Dependencies
        run: |
          cd frontend
          npm update
          npm audit fix || true

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: "1.22"
          cache: true

      - name: Update Go Dependencies
        run: |
          cd backend/playout && go get -u ./... && go mod tidy
          cd ../chat && go get -u ./... && go mod tidy

      - name: Commit and push changes
        run: |
          git config user.name "linearvoid-bot"
          git config user.email "bot@linearvoid.local"
          git add frontend/package*.json backend/playout/go.* backend/chat/go.*
          if git diff --cached --quiet; then
            echo "No dependency changes detected."
            exit 0
          fi
          git commit -m "chore: update dependencies"
          git push origin HEAD:dependency-updates --force

      - name: Create Pull Request via Gitea API
        run: |
          RESPONSE=$(curl -s -o /tmp/pr-response.json -w "%{http_code}" \
            -X POST "$CI_SERVER_URL/api/v1/repos/zwitschi/linearvoid/pulls" \
            -H "Authorization: token ${{ secrets.CI_REGISTRY_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d '{
              "title": "chore: weekly dependency updates",
              "head": "dependency-updates",
              "base": "main",
              "body": "Automated weekly dependency updates.\n\nThis PR updates:\n- Frontend npm dependencies\n- Go module dependencies\n\nPlease review the changes and ensure tests pass before merging."
            }')
          if [ "$RESPONSE" -eq 201 ]; then
            PR_URL=$(cat /tmp/pr-response.json | jq -r '.html_url')
            echo "PR created: $PR_URL"
          elif [ "$RESPONSE" -eq 409 ]; then
            echo "PR already exists. Pushing updated commits..."
            git push origin dependency-updates --force
          else
            echo "Error creating PR (HTTP $RESPONSE):"
            cat /tmp/pr-response.json
            exit 1
          fi