#!/usr/bin/env bash
# The article's first table: the same thirteen failures under each exception-handling setup.
# Writes docs/output/matrix-<profile>.txt (full responses) and docs/output/matrix-summary.txt.
set -uo pipefail
source "$(dirname "$0")/env.sh"

SCENARIOS=(
  "domain exception (OrderNotFoundException)|GET|/orders/999||"
  "type mismatch (/orders/abc)|GET|/orders/abc||"
  "invalid body (@Valid)|POST|/orders|{\"sku\":\"\",\"quantity\":0,\"customerEmail\":\"nope\"}|"
  "invalid @RequestParam (@Max)|GET|/orders?limit=500||"
  "ErrorResponseException (OutOfStock)|POST|/orders|{\"sku\":\"SKU-2\",\"quantity\":3,\"customerEmail\":\"a@b.co\"}|"
  "ResponseStatusException|GET|/orders/legacy/7||"
  "unknown path|GET|/no-such-thing||"
  "wrong HTTP method|DELETE|/orders/1||"
  "malformed JSON|POST|/orders|{\"sku\":|"
  "unexpected exception|GET|/orders/boom||"
  "exception in a servlet filter|GET|/orders/1||X-Tenant: BAD!"
  "401 no credentials|GET|/admin/orders||"
  "403 wrong role|GET|/admin/orders||AUTH:user:user"
)

classify() { # content-type, body -> shape label
  local ct="$1" body="$2"
  if [[ "$ct" == *problem+json* ]]; then echo "problem+json"
  elif [[ -z "$body" ]]; then echo "(empty body)"
  elif [[ "$body" == *'"timestamp"'* && "$body" == *'"error"'* ]]; then echo "Boot /error JSON"
  else echo "other: ${ct:-none}"; fi
}

SUMMARY="$OUT/matrix-summary.txt"
PROFILES=("" "boot-flag" "advice" "advice,errors" "catchall-first")
declare -A CELL
for profile in "${PROFILES[@]}"; do
  name="${profile:-defaults}"
  "$MODULE_DIR/scripts/run.sh" "$profile" || exit 1
  file="$OUT/matrix-$name.txt"
  {
    echo "# Profile: $name   (spring-boot 4.1.1, spring-framework 7.0.9)"
    echo
  } > "$file"
  i=0
  for s in "${SCENARIOS[@]}"; do
    IFS='|' read -r label method path body extra <<< "$s"
    args=(-s -o /tmp/pd-body -D /tmp/pd-headers -X "$method" "$BASE$path")
    [ -n "$body" ] && args+=(-H 'Content-Type: application/json' --data "$body")
    if [[ "$extra" == AUTH:* ]]; then args+=(-u "${extra#AUTH:}");
    elif [ -n "$extra" ]; then args+=(-H "$extra"); fi
    curl "${args[@]}"
    status=$(head -1 /tmp/pd-headers | awk '{print $2}')
    ct=$(grep -i '^content-type:' /tmp/pd-headers | head -1 | cut -d' ' -f2- | tr -d '\r')
    resp=$(cat /tmp/pd-body)
    {
      echo "## $label"
      echo "\$ curl -X $method $path${body:+ -d '$body'}${extra:+  [$extra]}"
      echo "HTTP $status  Content-Type: ${ct:-<none>}"
      [ -n "$resp" ] && echo "$resp"
      echo
    } >> "$file"
    CELL["$i|$name"]="$status $(classify "$ct" "$resp")"
    i=$((i+1))
  done
done
"$MODULE_DIR/scripts/stop.sh"

{
  echo "# Which error shape does each failure produce?  (status + body shape)"
  echo "# Spring Boot 4.1.1 / Spring Framework 7.0.9. Full bodies in matrix-<profile>.txt"
  echo
  printf '%-42s | %-22s | %-22s | %-22s | %-22s | %-22s\n' "failure" "defaults" "boot-flag" "advice" "advice,errors" "catchall-first"
  printf '%s\n' "$(printf -- '-%.0s' {1..165})"
  i=0
  for s in "${SCENARIOS[@]}"; do
    label="${s%%|*}"
    printf '%-42s | %-22s | %-22s | %-22s | %-22s | %-22s\n' "$label" "${CELL["$i|defaults"]}" "${CELL["$i|boot-flag"]}" "${CELL["$i|advice"]}" "${CELL["$i|advice,errors"]}" "${CELL["$i|catchall-first"]}"
    i=$((i+1))
  done
} > "$SUMMARY"
cat "$SUMMARY"