#!/usr/bin/env bash
# test-sc3-citations.sh — Verifies SC3 (Anthropic-domain citation discipline)
#
# Two checks:
#   Negative — grep -rnE '\[CITE\]|\[verify\]|\baccording to\b' against
#              shipped content. Zero hits expected.
#   Positive — read .coverage.md "Authoritative-claims" bullet list
#              (awk on '^- ' prefix), then for each file ensure ≥1
#              Anthropic-domain URL citation is present.
#
# Excludes .claude/projects/** and tests/ from greps.
#
# Anthropic-domain URL regex (positive):
#   https?://(docs\.anthropic\.com|anthropic\.com|github\.com/anthropics
#            |claude\.com|support\.claude\.com|platform\.claude\.com)
#
# Usage: bash tests/test-sc3-citations.sh
# Exit codes: 0 = pass; 1 = at least one FAIL

set -euo pipefail
LC_ALL=en_US.UTF-8

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

PLUGIN_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
PASS=0
FAIL=0
WARN=0

pass() { printf "${GREEN}  ✓ %s${NC}\n" "$1"; PASS=$((PASS + 1)); }
fail() { printf "${RED}  ✗ %s${NC}\n" "$1"; FAIL=$((FAIL + 1)); }
warn() { printf "${YELLOW}  ⚠ %s${NC}\n" "$1"; WARN=$((WARN + 1)); }

COVERAGE_FILE="$PLUGIN_ROOT/.coverage.md"

echo "=== test-sc3-citations ==="
echo "Plugin root: $PLUGIN_ROOT"
echo ""

# -------------------------------------------------------
# Negative grep: \[CITE\], \[verify\], \baccording to\b
# -------------------------------------------------------
echo "--- negative grep: forbidden placeholders ---"

NEG_HITS="$(grep -rnE '\[CITE\]|\[verify\]|\baccording to\b' \
  "$PLUGIN_ROOT" \
  --include='*.md' \
  --exclude-dir='.claude' \
  --exclude-dir='tests' \
  2>/dev/null || true)"

if [ -z "$NEG_HITS" ]; then
  pass "no forbidden placeholders ([CITE], [verify], 'according to') in shipped content"
else
  while IFS= read -r hit; do
    fail "forbidden placeholder in shipped content: $hit"
  done < <(printf '%s\n' "$NEG_HITS")
fi
echo ""

# -------------------------------------------------------
# Positive grep: Authoritative-claims files have Anthropic-domain URLs
# -------------------------------------------------------
echo "--- positive grep: Authoritative-claims citation coverage ---"

if [ ! -f "$COVERAGE_FILE" ]; then
  fail ".coverage.md missing — cannot read Authoritative-claims registry"
  echo ""
  echo "=== Summary ==="
  printf "Pass: %d  Fail: %d  Warn: %d\n" "$PASS" "$FAIL" "$WARN"
  exit 1
fi

# Extract bullet-list paths under the "Authoritative-claims" section
AUTH_FILES="$(awk '
  /^## Authoritative-claims files/ { capture = 1; next }
  capture && /^## / { exit }
  capture && /^- / {
    sub(/^- /, "", $0)
    print $0
  }
' "$COVERAGE_FILE")"

if [ -z "$AUTH_FILES" ]; then
  fail "no Authoritative-claims files extracted from .coverage.md"
  echo ""
  echo "=== Summary ==="
  printf "Pass: %d  Fail: %d  Warn: %d\n" "$PASS" "$FAIL" "$WARN"
  exit 1
fi

ANTHROPIC_REGEX='https?://(docs\.anthropic\.com|anthropic\.com|github\.com/anthropics|claude\.com|support\.claude\.com|platform\.claude\.com)'

while IFS= read -r relpath; do
  [ -z "$relpath" ] && continue
  fpath="$PLUGIN_ROOT/$relpath"

  if [ ! -f "$fpath" ]; then
    fail "Authoritative-claims file missing: $relpath"
    continue
  fi

  HIT_COUNT="$(grep -cE "$ANTHROPIC_REGEX" "$fpath" || true)"
  if [ -z "$HIT_COUNT" ]; then HIT_COUNT=0; fi

  if [ "$HIT_COUNT" -ge 1 ]; then
    pass "$relpath: $HIT_COUNT Anthropic-domain URL citation(s)"
  else
    fail "$relpath: zero Anthropic-domain URL citations (anthropic.com expected)"
  fi
done < <(printf '%s\n' "$AUTH_FILES")

echo ""
echo "=== Summary ==="
printf "Pass: %d  Fail: %d  Warn: %d\n" "$PASS" "$FAIL" "$WARN"

if [ "$FAIL" -gt 0 ]; then
  exit 1
fi
exit 0