#!/usr/bin/env sh
set -eu

MODE="${1:-report}"
ROOT_DIR="$(CDPATH= cd "$(dirname "$0")/.." && pwd -P)"
WEB_SRC="${ROOT_DIR}/web/src"

if [ ! -d "${WEB_SRC}" ]; then
  echo "error: web source directory not found: ${WEB_SRC}" >&2
  exit 2
fi

RG_BASE='--glob=*.ts --glob=*.tsx --glob=*.css --glob=!**/*.test.ts --glob=!**/*.test.tsx --glob=!**/*.dom.test.tsx --glob=!**/test/** --glob=!**/assets/**'
APPROVED_UI_GLOB='!components/ui/**'

section() {
  printf '\n== %s ==\n' "$1"
}

count_matches() {
  pattern="$1"
  shift
  # shellcheck disable=SC2086
  rg -n $RG_BASE "$@" "${pattern}" "${WEB_SRC}" | wc -l | tr -d ' '
}

print_matches() {
  pattern="$1"
  shift
  # shellcheck disable=SC2086
  rg -n $RG_BASE "$@" "${pattern}" "${WEB_SRC}" || true
}

raw_controls_count="$(count_matches '<(button|input|textarea|select)(\s|>)' --glob="${APPROVED_UI_GLOB}")"
legacy_classes_count="$(count_matches '\b(surface-card|surface-muted|badge|input-shell)\b')"
hardcoded_colors_count="$(count_matches '(#[0-9a-f]{3,8}\b|rgba?\()')"
direct_common_ui_count="$(count_matches '@bytelyst/ui' --glob="${APPROVED_UI_GLOB}")"

echo "UI drift audit mode=${MODE}"
echo "raw interactive controls outside approved primitives: ${raw_controls_count}"
echo "legacy global surface classes: ${legacy_classes_count}"
echo "hardcoded color literals: ${hardcoded_colors_count}"
echo "direct @bytelyst/ui imports outside product adapter: ${direct_common_ui_count}"

section "Raw Interactive Controls"
print_matches '<(button|input|textarea|select)(\s|>)' --glob="${APPROVED_UI_GLOB}"

section "Legacy Global Surface Classes"
print_matches '\b(surface-card|surface-muted|badge|input-shell)\b'

section "Hardcoded Color Literals"
print_matches '(#[0-9a-f]{3,8}\b|rgba?\()'

section "Direct Common UI Imports Outside Adapter"
print_matches '@bytelyst/ui' --glob="${APPROVED_UI_GLOB}"

total_findings=$((raw_controls_count + legacy_classes_count + hardcoded_colors_count + direct_common_ui_count))

if [ "${MODE}" = "strict" ] && [ "${total_findings}" -gt 0 ]; then
  echo "error: strict UI drift audit failed with ${total_findings} findings" >&2
  exit 1
fi

exit 0