name: CI

on:
  push:
    branches: [ main, master ]
  pull_request:

jobs:
  test:
    runs-on: [macos, host]
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Node
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'

      - name: Install deps
        run: npm ci

      - name: Unit/Component tests (Vitest)
        run: npm test
        env:
          CI: true

      - name: Install Playwright browsers
        run: npx playwright install --with-deps

      - name: E2E tests (Playwright)
        run: npm run test:e2e -- --reporter=line
        env:
          CI: true

      - name: Upload Playwright report
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: playwright-report
          path: playwright-report
          if-no-files-found: ignore
          retention-days: 3

      - name: Auto-merge PR on green
        if: ${{ github.event_name == 'pull_request' }}
        env:
          CI_TOKEN: ${{ secrets.CI_TOKEN }}
          GITEA_BASE_URL: https://gitea.jaybe.dev
          PR_NUMBER: ${{ github.event.pull_request.number }}
          REPO: ${{ github.repository }}
        run: |
          set -euo pipefail
          if [ -z "${CI_TOKEN:-}" ]; then
            echo "CI_TOKEN not set; skipping auto-merge"; exit 0; fi
          OWNER=$(echo "$REPO" | cut -d'/' -f1)
          NAME=$(echo "$REPO" | cut -d'/' -f2)
          echo "Checking labels for PR #$PR_NUMBER on $OWNER/$NAME"
          LABELS_JSON=$(curl -sS -X GET \
            -H "Authorization: token ${CI_TOKEN}" \
            "${GITEA_BASE_URL}/api/v1/repos/${OWNER}/${NAME}/issues/${PR_NUMBER}")
          echo "labels payload (first 200 chars):"; echo "$LABELS_JSON" | cut -c1-200 || true
          if ! echo "$LABELS_JSON" | grep -qi '"name":"automerge"'; then
            echo "Label 'automerge' not present; skipping merge"; exit 0; fi
          echo "Label 'automerge' present; proceeding to merge"
          # ensure PR is open
          PR_JSON=$(curl -sS -X GET \
            -H "Authorization: token ${CI_TOKEN}" \
            "${GITEA_BASE_URL}/api/v1/repos/${OWNER}/${NAME}/pulls/${PR_NUMBER}")
          STATE=$(echo "$PR_JSON" | sed -n 's/.*"state":"\([^"]*\)".*/\1/p')
          echo "PR state: ${STATE:-unknown}"
          if [ "${STATE:-}" != "open" ]; then
            echo "PR state is not open; skipping merge"; exit 0; fi
          echo "Merging PR #$PR_NUMBER for $OWNER/$NAME"
          HTTP_CODE=$(curl -sS -o /tmp/merge_resp.json -w "%{http_code}" -X POST \
            -H "Content-Type: application/json" \
            -H "Authorization: token ${CI_TOKEN}" \
            "${GITEA_BASE_URL}/api/v1/repos/${OWNER}/${NAME}/pulls/${PR_NUMBER}/merge" \
            -d '{"Do":"merge","MergeMessage":"auto-merge: CI green"}' || true)
          echo "merge http: $HTTP_CODE"
          echo "merge resp:"; cat /tmp/merge_resp.json || true