#!/usr/bin/env bash
set -u
SCRIPT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
source "$SCRIPT_DIR/lib/common.sh"

FAILURES=0
assert_eq() {
    if [ "$1" = "$2" ]; then echo "PASS: $3"; else echo "FAIL: $3 (expected '$1', got '$2')"; FAILURES=$((FAILURES + 1)); fi
}

# Test: identical content → exit 0 (no diff)
tmpdir=$(mktemp -d)
brain="$tmpdir/brain"
consumer="$tmpdir/consumer"
mkdir -p "$brain/project-files" "$consumer"
echo "same content" > "$brain/project-files/CLAUDE.md.template"
echo "same content" > "$consumer/CLAUDE.md"

BRAIN_ROOT="$brain" bash "$SCRIPT_DIR/extract.sh" --source="$consumer" --file=CLAUDE.md --dry-run >/dev/null 2>&1
assert_eq "0" "$?" "identical content returns exit 0"

# Test: different content → exit non-zero
echo "consumer different" > "$consumer/CLAUDE.md"
BRAIN_ROOT="$brain" bash "$SCRIPT_DIR/extract.sh" --source="$consumer" --file=CLAUDE.md --dry-run >/dev/null 2>&1
result=$?
[ "$result" -ne 0 ] && assert_eq "0" "0" "different content returns non-zero" || assert_eq "0" "1" "different content returns non-zero"

rm -rf "$tmpdir"

echo "---"
echo "Failures: $FAILURES"
exit $FAILURES