#!/usr/bin/env bash
# Regenerates docs/output/curl-transcript.txt against a running instance.
# Usage: ./scripts/curl-transcript.sh [base-url]
set -u
BASE="${1:-http://localhost:8080}"

hr()  { printf '\n%s\n' "--------------------------------------------------------------------------"; }
step(){ hr; printf '# %s\n\n' "$1"; }

# Print status line, the security-relevant headers, and the body.
show() {
  local out
  out=$(curl -sS -D /tmp/.h -o /tmp/.b -w '%{http_code}' "$@")
  printf 'HTTP %s\n' "$out"
  grep -iE '^(www-authenticate|content-type|set-cookie):' /tmp/.h | sed 's/\r$//'
  if [ -s /tmp/.b ]; then
    python3 -m json.tool < /tmp/.b 2>/dev/null || cat /tmp/.b
    echo
  fi
}

jwt_part() { # $1=token $2=0|1  -> pretty-print header or payload
  echo "$1" | cut -d. -f$(( $2 + 1 )) \
    | tr '_-' '/+' | sed 's/$/==/' | base64 -d 2>/dev/null \
    | python3 -m json.tool 2>/dev/null
}

echo "=========================================================================="
echo " jwt-auth-demo - curl transcript"
echo " target : $BASE"
echo "=========================================================================="

step "1. Public endpoint, no token. permitAll() means the filter chain lets it through."
show "$BASE/api/public/ping"

step "2. Protected endpoint, no token. 401 - we do not know who you are."
show "$BASE/api/me"

step "3. Wrong password. Still 401, and the body says nothing about which half was wrong."
show -X POST "$BASE/api/auth/login" -H 'Content-Type: application/json' \
     -d '{"username":"alice","password":"wrong-password"}'

step "4. Locked account. 401 with the identical body - no account-state oracle."
show -X POST "$BASE/api/auth/login" -H 'Content-Type: application/json' \
     -d '{"username":"locked","password":"locked-password"}'

step "5. Login as alice (ROLE_USER, SCOPE_profile:read)."
show -X POST "$BASE/api/auth/login" -H 'Content-Type: application/json' \
     -d '{"username":"alice","password":"alice-password"}'
ALICE=$(python3 -c "import json;print(json.load(open('/tmp/.b'))['accessToken'])")
ALICE_REFRESH=$(python3 -c "import json;print(json.load(open('/tmp/.b'))['refreshToken'])")

step "6. What is actually inside that token (base64url decode - no signature check)."
echo "--- JOSE header ---"
jwt_part "$ALICE" 0
echo "--- claims ---"
jwt_part "$ALICE" 1

step "7. The same protected endpoint, now with the token. 200."
show "$BASE/api/me" -H "Authorization: Bearer $ALICE"

step "8. alice hits an ADMIN endpoint. 403, not 401 - we know who she is, she may not."
show "$BASE/api/admin/stats" -H "Authorization: Bearer $ALICE"

step "9. Same request with a scope-based rule (@PreAuthorize). Also 403."
show "$BASE/api/reports" -H "Authorization: Bearer $ALICE"

step "10. Login as root and repeat. 200."
show -X POST "$BASE/api/auth/login" -H 'Content-Type: application/json' \
     -d '{"username":"root","password":"root-password"}'
ROOT=$(python3 -c "import json;print(json.load(open('/tmp/.b'))['accessToken'])")
show "$BASE/api/admin/stats" -H "Authorization: Bearer $ROOT"

step "11. Tampered payload, original signature. 401 invalid_token."
HDR=$(echo "$ALICE" | cut -d. -f1); SIG=$(echo "$ALICE" | cut -d. -f3)
FORGED_PAYLOAD=$(echo "$ALICE" | cut -d. -f2 | tr '_-' '/+' | sed 's/$/==/' | base64 -d 2>/dev/null \
  | sed 's/"roles":\["USER"\]/"roles":["ADMIN"]/' | base64 -w0 | tr '/+' '_-' | tr -d '=')
show "$BASE/api/admin/stats" -H "Authorization: Bearer $HDR.$FORGED_PAYLOAD.$SIG"

step "12. Garbage where a token should be. 401, and note it is NOT 400."
show "$BASE/api/me" -H "Authorization: Bearer not-a-jwt"

step "13. Authorization header with no Bearer scheme. The resolver sees no token at all,\n#    so this is an authorization failure, not a token failure - note the bare realm."
show "$BASE/api/me" -H "Authorization: $ALICE"

step "14. A refresh token presented as an access token. 401 - the token_type claim."
show "$BASE/api/me" -H "Authorization: Bearer $ALICE_REFRESH"

step "15. Refresh with rotation. New access token, new refresh token."
show -X POST "$BASE/api/auth/refresh" -H 'Content-Type: application/json' \
     -d "{\"refreshToken\":\"$ALICE_REFRESH\"}"
ALICE2=$(python3 -c "import json;print(json.load(open('/tmp/.b'))['accessToken'])")

step "16. Replay the spent refresh token. 401 - rotation makes replay detectable."
show -X POST "$BASE/api/auth/refresh" -H 'Content-Type: application/json' \
     -d "{\"refreshToken\":\"$ALICE_REFRESH\"}"

step "17. Logout revokes the presented access token by its jti."
show -X POST "$BASE/api/auth/logout" -H "Authorization: Bearer $ALICE2"
show "$BASE/api/auth/revocations" -H "Authorization: Bearer $ROOT"

step "18. The revoked token, still cryptographically valid, is now refused."
show "$BASE/api/me" -H "Authorization: Bearer $ALICE2"

step "19. The real filter order, read from FilterChainProxy at runtime."
show "$BASE/api/public/filters"

step "20. SecurityContext across a thread boundary."
show "$BASE/api/async-demo" -H "Authorization: Bearer $ROOT"

hr
echo "# end of transcript"