lighthouse.yml

name: Lighthouse CI

on:
  deployment_status:

permissions:
  contents: write

jobs:
  lighthouse:
    runs-on: ubuntu-latest
    if: github.event.deployment_status.state == 'success'

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

      - name: Wait for deployment
        run: sleep 10

      - name: Run Lighthouse CI
        id: lighthouse
        uses: treosh/lighthouse-ci-action@v11
        with:
          urls: |
            ${{ github.event.deployment_status.target_url }}
            ${{ github.event.deployment_status.target_url }}/posts
            ${{ github.event.deployment_status.target_url }}/retrospections
          uploadArtifacts: true
          temporaryPublicStorage: true
          runs: 3

      - name: Parse Lighthouse Results
        id: parse
        run: |
          MANIFEST=".lighthouseci/manifest.json"

          if [ -f "$MANIFEST" ]; then
            PERF=$(jq -r '.[0].summary.performance' "$MANIFEST" 2>/dev/null)
            ACCESS=$(jq -r '.[0].summary.accessibility' "$MANIFEST" 2>/dev/null)
            BEST=$(jq -r '.[0].summary["best-practices"]' "$MANIFEST" 2>/dev/null)
            SEO=$(jq -r '.[0].summary.seo' "$MANIFEST" 2>/dev/null)

            : "${PERF:=0}"
            : "${ACCESS:=0}"
            : "${BEST:=0}"
            : "${SEO:=0}"

            echo "perf=$PERF" >> $GITHUB_OUTPUT
            echo "accessibility=$ACCESS" >> $GITHUB_OUTPUT
            echo "best_practices=$BEST" >> $GITHUB_OUTPUT
            echo "seo=$SEO" >> $GITHUB_OUTPUT
          else
            echo "perf=0" >> $GITHUB_OUTPUT
            echo "accessibility=0" >> $GITHUB_OUTPUT
            echo "best_practices=0" >> $GITHUB_OUTPUT
            echo "seo=0" >> $GITHUB_OUTPUT
          fi

      - name: Debug links
        run: |
          echo 'Links payload:'
          echo '${{ steps.lighthouse.outputs.links }}'

      - name: Extract report links
        id: report_links
        run: |
          REPORT='${{ steps.lighthouse.outputs.links }}'

          if [ -z "$REPORT" ] || [ "$REPORT" = "null" ]; then
            echo "primary=" >> "$GITHUB_OUTPUT"
            echo "list=" >> "$GITHUB_OUTPUT"
            exit 0
          fi

          PRIMARY=$(printf '%s' "$REPORT" | jq -r 'to_entries[0].value // empty')

          printf '%s' "$REPORT" \
            | jq -r 'to_entries[] | [.key, .value] | @tsv' > links.tsv

          : > links.md
          while IFS=$'\t' read -r PATH URL; do
            case "$PATH" in
              */) ICON="🏠" ;;
              */posts) ICON="📝" ;;
              */retrospections) ICON="💭" ;;
              *) ICON="🔗" ;;
            esac
            echo "${ICON} [${PATH}](${URL})" >> links.md
          done < links.tsv

          LIST=$(awk '{printf "%s\\n", $0}' links.md)

          echo "primary=$PRIMARY" >> "$GITHUB_OUTPUT"
          echo "list=$LIST" >> "$GITHUB_OUTPUT"

      - name: Send to Discord
        env:
          DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK_URL }}
          PERF: ${{ steps.parse.outputs.perf }}
          ACCESS: ${{ steps.parse.outputs.accessibility }}
          BEST: ${{ steps.parse.outputs.best_practices }}
          SEO: ${{ steps.parse.outputs.seo }}
          DEPLOY_URL: ${{ github.event.deployment_status.target_url }}
          REPORT_URL: ${{ steps.report_links.outputs.primary }}
          REPORT_LIST: ${{ steps.report_links.outputs.list }}
          COMMIT_SHA: ${{ github.sha }}
        run: |
          if [ -z "$DISCORD_WEBHOOK" ]; then
            echo "DISCORD_WEBHOOK is not set. Skipping Discord notification."
            exit 0
          fi

          PERF_SCORE=$(printf '%.0f' $(echo "$PERF * 100" | bc))
          ACCESS_SCORE=$(printf '%.0f' $(echo "$ACCESS * 100" | bc))
          BEST_SCORE=$(printf '%.0f' $(echo "$BEST * 100" | bc))
          SEO_SCORE=$(printf '%.0f' $(echo "$SEO * 100" | bc))

          if (( $(echo "$PERF >= 0.9" | bc -l) )); then
            COLOR=3066993
          elif (( $(echo "$PERF >= 0.5" | bc -l) )); then
            COLOR=15844367
          else
            COLOR=15158332
          fi

          get_emoji() {
            local score=$1
            if (( $(echo "$score >= 0.9" | bc -l) )); then
              echo "🟢"
            elif (( $(echo "$score >= 0.5" | bc -l) )); then
              echo "🟡"
            else
              echo "🔴"
            fi
          }

          PERF_EMOJI=$(get_emoji $PERF)
          ACCESS_EMOJI=$(get_emoji $ACCESS)
          BEST_EMOJI=$(get_emoji $BEST)
          SEO_EMOJI=$(get_emoji $SEO)

          curl -H "Content-Type: application/json" \
            -d "{
              \"embeds\": [{
                \"title\": \"🔦 Lighthouse CI Report\",
                \"description\": \"Performance analysis completed for deployment\",
                \"color\": $COLOR,
                \"fields\": [
                  {\"name\": \"$PERF_EMOJI Performance\", \"value\": \"**$PERF_SCORE**/100\", \"inline\": true},
                  {\"name\": \"$ACCESS_EMOJI Accessibility\", \"value\": \"**$ACCESS_SCORE**/100\", \"inline\": true},
                  {\"name\": \"$BEST_EMOJI Best Practices\", \"value\": \"**$BEST_SCORE**/100\", \"inline\": true},
                  {\"name\": \"$SEO_EMOJI SEO\", \"value\": \"**$SEO_SCORE**/100\", \"inline\": true},
                  {\"name\": \"🔗 Links\", \"value\": \"$REPORT_LIST\", \"inline\": false}
                ],
                \"footer\": {\"text\": \"Commit: ${COMMIT_SHA:0:7}\"},
                \"timestamp\": \"$(date -u +%Y-%m-%dT%H:%M:%S.000Z)\"
              }]
            }" \
            $DISCORD_WEBHOOK