daily-digest.yml

name: Daily Project Digest

on:
  schedule:
    - cron: '0 7 * * *'  # 07:00 UTC daily
  workflow_dispatch: {}   # Allow manual trigger

permissions:
  issues: write

jobs:
  digest:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0  # Full history for git log

      - name: Gather repository data
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          REPO="${{ github.repository }}"
          YESTERDAY=$(date -u -d '1 day ago' +%Y-%m-%dT00:00:00Z)
          TODAY=$(date -u +%Y-%m-%d)
          YESTERDAY_DATE=$(date -u -d '1 day ago' +%Y-%m-%d)

          echo "=== Gathering data for $YESTERDAY_DATE ===" >&2

          # --- Stars and Forks ---
          gh api "repos/$REPO" --jq '{
            stars: .stargazers_count,
            forks: .forks_count,
            open_issues: .open_issues_count,
            watchers: .subscribers_count
          }' > /tmp/repo-stats.json

          # --- Commits in last 24h ---
          git log --since="$YESTERDAY" --format='- [`%h`](https://github.com/'"$REPO"'/commit/%H) %s (%an)' > /tmp/commits.txt || true

          # --- Pull requests merged in last 24h ---
          gh pr list --repo "$REPO" --state merged --search "merged:>=$YESTERDAY_DATE" \
            --json number,title,author,mergedAt,url --limit 50 \
            --jq '.[] | "- [#\(.number)](\(.url)) \(.title) (@\(.author.login))"' \
            > /tmp/merged-prs.txt || true

          # --- Pull requests opened in last 24h ---
          gh pr list --repo "$REPO" --state open --search "created:>=$YESTERDAY_DATE" \
            --json number,title,author,url --limit 50 \
            --jq '.[] | "- [#\(.number)](\(.url)) \(.title) (@\(.author.login))"' \
            > /tmp/opened-prs.txt || true

          # --- Currently open PRs ---
          gh pr list --repo "$REPO" --state open \
            --json number,title,author,url --limit 50 \
            --jq '.[] | "- [#\(.number)](\(.url)) \(.title) (@\(.author.login))"' \
            > /tmp/open-prs.txt || true

          # --- Issues opened in last 24h ---
          gh issue list --repo "$REPO" --state open --search "created:>=$YESTERDAY_DATE" \
            --json number,title,author,url,labels --limit 50 \
            --jq '.[] | "- [#\(.number)](\(.url)) \(.title) (@\(.author.login))"' \
            > /tmp/opened-issues.txt || true

          # --- Issues closed in last 24h ---
          gh issue list --repo "$REPO" --state closed --search "closed:>=$YESTERDAY_DATE" \
            --json number,title,url --limit 50 \
            --jq '.[] | "- [#\(.number)](\(.url)) \(.title)"' \
            > /tmp/closed-issues.txt || true

          # --- Currently open issues ---
          OPEN_ISSUE_COUNT=$(gh issue list --repo "$REPO" --state open --limit 1 --json number --jq 'length')
          echo "$OPEN_ISSUE_COUNT" > /tmp/open-issue-count.txt

          # --- Dependency updates (go.sum changes) ---
          git diff --name-only HEAD~5..HEAD 2>/dev/null | grep -E "go\.(mod|sum)" > /tmp/dep-changes.txt || true

          # --- CI status of latest run ---
          gh run list --repo "$REPO" --branch main --limit 3 \
            --json conclusion,name,updatedAt,url \
            --jq '.[] | "- \(.conclusion // "in_progress") — \(.name) [\(.updatedAt)](\(.url))"' \
            > /tmp/ci-status.txt || true

      - name: Build digest
        run: |
          YESTERDAY_DATE=$(date -u -d '1 day ago' +%Y-%m-%d)
          TODAY=$(date -u +%Y-%m-%d)

          STARS=$(jq -r '.stars' /tmp/repo-stats.json)
          FORKS=$(jq -r '.forks' /tmp/repo-stats.json)
          WATCHERS=$(jq -r '.watchers' /tmp/repo-stats.json)
          OPEN_ISSUES=$(cat /tmp/open-issue-count.txt)

          cat > /tmp/digest-data.txt <<DATAEOF
          # Daily Project Digest: $TODAY

          ## Repository Stats
          | Metric | Count |
          |--------|-------|
          | Stars | $STARS |
          | Forks | $FORKS |
          | Watchers | $WATCHERS |
          | Open issues | $OPEN_ISSUES |

          ## Commits (last 24h)
          $(cat /tmp/commits.txt 2>/dev/null | head -30)
          $([ ! -s /tmp/commits.txt ] && echo "_No commits in the last 24 hours._")

          ## Pull Requests Merged (last 24h)
          $(cat /tmp/merged-prs.txt 2>/dev/null)
          $([ ! -s /tmp/merged-prs.txt ] && echo "_No PRs merged._")

          ## Pull Requests Opened (last 24h)
          $(cat /tmp/opened-prs.txt 2>/dev/null)
          $([ ! -s /tmp/opened-prs.txt ] && echo "_No new PRs._")

          ## Currently Open PRs
          $(cat /tmp/open-prs.txt 2>/dev/null)
          $([ ! -s /tmp/open-prs.txt ] && echo "_No open PRs._")

          ## Issues Opened (last 24h)
          $(cat /tmp/opened-issues.txt 2>/dev/null)
          $([ ! -s /tmp/opened-issues.txt ] && echo "_No new issues._")

          ## Issues Closed (last 24h)
          $(cat /tmp/closed-issues.txt 2>/dev/null)
          $([ ! -s /tmp/closed-issues.txt ] && echo "_No issues closed._")

          ## CI Status (latest runs on main)
          $(cat /tmp/ci-status.txt 2>/dev/null)

          ## Dependency Changes (last 5 commits)
          $(cat /tmp/dep-changes.txt 2>/dev/null)
          $([ ! -s /tmp/dep-changes.txt ] && echo "_No dependency changes._")
          DATAEOF

      - name: Generate AI summary
        env:
          OPENROUTER_API_KEY: ${{ secrets.OPENROUTER_API_KEY }}
        run: |
          if [ -z "$OPENROUTER_API_KEY" ]; then
            echo "::warning::OPENROUTER_API_KEY not set, posting raw digest"
            cp /tmp/digest-data.txt /tmp/digest-final.md
            exit 0
          fi

          jq -n --rawfile data /tmp/digest-data.txt '{
            model: "nvidia/nemotron-3-super-120b-a12b:free",
            messages: [
              {
                role: "system",
                content: "You are a project digest assistant for mxcli, a Go CLI tool for reading and modifying Mendix application projects (.mpr files). Generate a concise daily digest from the raw data provided. Structure your response as:\n\n1. **Highlights** (1-3 bullet points of the most important changes)\n2. **Code Changes** (summarize commits by theme, not individually)\n3. **Pull Requests** (merged, opened, pending review)\n4. **Issues** (new, closed, total open)\n5. **Repository Health** (stars, forks, CI status)\n6. **Action Items** (anything that needs attention: failing CI, stale PRs, unanswered issues)\n\nKeep it concise — this is a daily scan, not a detailed report. Use markdown formatting."
              },
              {
                role: "user",
                content: $data
              }
            ],
            max_tokens: 3000,
            temperature: 0.3
          }' > /tmp/ai-request.json

          HTTP_CODE=$(curl -s -w "%{http_code}" -o /tmp/ai-response.json -X POST \
            -H "Authorization: Bearer $OPENROUTER_API_KEY" \
            -H "Content-Type: application/json" \
            -d @/tmp/ai-request.json \
            https://openrouter.ai/api/v1/chat/completions)

          if [ "$HTTP_CODE" = "200" ]; then
            SUMMARY=$(jq -r '.choices[0].message.content // empty' /tmp/ai-response.json)
            if [ -n "$SUMMARY" ]; then
              echo "$SUMMARY" > /tmp/digest-final.md
            else
              cp /tmp/digest-data.txt /tmp/digest-final.md
            fi
          else
            echo "::warning::OpenRouter returned HTTP $HTTP_CODE, using raw digest"
            cp /tmp/digest-data.txt /tmp/digest-final.md
          fi

      - name: Post digest as issue
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          TODAY=$(date -u +%Y-%m-%d)

          {
            cat /tmp/digest-final.md
            echo ""
            echo "---"
            echo "*Daily digest generated automatically — [workflow source](${{ github.server_url }}/${{ github.repository }}/blob/main/.github/workflows/daily-digest.yml)*"
          } > /tmp/issue-body.md

          gh issue create \
            --repo "${{ github.repository }}" \
            --title "Daily Digest: $TODAY" \
            --body-file /tmp/issue-body.md \
            --label "digest"