Dependency Update Bot

echo "GEMINI_API_KEY: ${GEMINI_API_KEY:+set}"
echo "GITHUB_TOKEN: ${GITHUB_TOKEN:-not set, changelog fetching rate-limited to 60/hour}"
gh auth status 2>/dev/null | head -1 || echo "gh: not authenticated"

ls package.json 2>/dev/null && echo "npm"
ls requirements.txt pyproject.toml 2>/dev/null && echo "pip"
ls Cargo.toml 2>/dev/null && echo "cargo"
ls go.mod 2>/dev/null && echo "go"
ls Gemfile 2>/dev/null && echo "ruby"

npm outdated --json --long 2>/dev/null | python3 -c "
import sys, json
data = json.load(sys.stdin)
for name, info in data.items():
    print(json.dumps({'name': name, 'current': info.get('current','?'), 'latest': info.get('latest','?'), 'dep_type': info.get('type','dependencies')}))
"

pip list --outdated --format=json 2>/dev/null | python3 -c "
import sys, json
for p in json.load(sys.stdin):
    print(json.dumps({'name': p['name'], 'current': p['version'], 'latest': p['latest_version']}))
"

cargo outdated --format json 2>/dev/null || \
  cargo outdated 2>/dev/null | grep -v "^---" | tail -n +3 | head -30
# If cargo-outdated not installed: cargo install cargo-outdated

go list -u -m -json all 2>/dev/null | python3 -c "
import sys, json
decoder = json.JSONDecoder()
buf = sys.stdin.read()
pos = 0
while pos < len(buf):
    try:
        obj, idx = decoder.raw_decode(buf, pos)
        if obj.get('Update'):
            print(json.dumps({'name': obj['Path'], 'current': obj['Version'], 'latest': obj['Update']['Version']}))
        pos += idx
    except: break
"

bundle outdated --parseable 2>/dev/null | python3 -c "
import sys
for line in sys.stdin:
    parts = line.strip().split()
    if len(parts) >= 4:
        print('{\"name\":\"' + parts[0] + '\",\"current\":\"' + parts[3].strip('()') + '\",\"latest\":\"' + parts[1] + '\"}')
"

python3 -c "
def classify(current, latest):
    try:
        c = [int(x) for x in current.lstrip('v').split('.')[:3]]
        l = [int(x) for x in latest.lstrip('v').split('.')[:3]]
        if l[0] > c[0]: return 'major'
        if len(l) > 1 and len(c) > 1 and l[1] > c[1]: return 'minor'
        return 'patch'
    except: return 'unknown'
"

npm audit --json 2>/dev/null | python3 -c "
import sys, json
d = json.load(sys.stdin)
vulns = d.get('vulnerabilities', {})
for pkg, info in vulns.items():
    sev = info.get('severity', 'unknown')
    via = [v.get('title','') for v in info.get('via',[]) if isinstance(v, dict)]
    print(f'  [{sev.upper()}] {pkg}: {via[0] if via else \"see npm audit\"}')
" 2>/dev/null || echo "No vulnerabilities found or npm audit not available"

pip-audit --format=json 2>/dev/null | python3 -c "
import sys, json
for vuln in json.load(sys.stdin):
    print(f'  [{vuln.get(\"aliases\",[\"\"])[0]}] {vuln[\"name\"]} {vuln[\"version\"]}: {vuln[\"description\"][:80]}')
" 2>/dev/null || echo "pip-audit not installed. Run: pip install pip-audit"

cargo audit 2>/dev/null | grep -E "^(ID|Package|Severity|URL)" | head -30 \
  || echo "cargo-audit not installed. Run: cargo install cargo-audit"

Security audit: [N] vulnerabilities found
  [CRITICAL] lodash 4.17.19: Prototype Pollution (CVE-2021-23337)
  [HIGH] axios 0.21.1: Server-Side Request Forgery (CVE-2021-3749)

# npm
curl -s "https://registry.npmjs.org/{PACKAGE}/latest" \
  | python3 -c "import sys,json; d=json.load(sys.stdin); r=d.get('repository',{}); print(r.get('url','') if isinstance(r,dict) else str(r))"

# pip
curl -s "https://pypi.org/pypi/{PACKAGE}/json" \
  | python3 -c "import sys,json; d=json.load(sys.stdin); print(d.get('info',{}).get('home_page','') or d.get('info',{}).get('project_urls',{}).get('Source',''))"

AUTH_HEADER=""
[ -n "$GITHUB_TOKEN" ] && AUTH_HEADER="-H \"Authorization: Bearer $GITHUB_TOKEN\""
curl -s $AUTH_HEADER \
  "https://api.github.com/repos/{OWNER}/{REPO}/releases?per_page=5" \
  | python3 -c "import sys,json; [print(json.dumps({'tag':r.get('tag_name',''),'body':r.get('body','')[:1500]})) for r in json.load(sys.stdin)]"

curl -s "https://registry.npmjs.org/{PACKAGE}" \
  | python3 -c "import sys,json; print(json.load(sys.stdin).get('readme','')[:3000])"

curl -s "https://pypi.org/pypi/{PACKAGE}/json" \
  | python3 -c "import sys,json; print(json.load(sys.stdin).get('info',{}).get('description','')[:2000])"