#!/usr/bin/env bash
set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BASE_DIR="${PRACTICE3_DIR:-/usr/local/practice3}"

echo "Setting up directory structure at: $BASE_DIR"

mkdir -p "$BASE_DIR/etc" "$BASE_DIR/confdata" "$BASE_DIR/bin" "$BASE_DIR/log"

touch "$BASE_DIR/etc/passwd"
echo "BOTH" > "$BASE_DIR/etc/access_mode"
touch "$BASE_DIR/etc/acl"
touch "$BASE_DIR/etc/subject_labels"
touch "$BASE_DIR/etc/object_labels"

cp "$SCRIPT_DIR/config.py"      "$BASE_DIR/bin/config.py"
cp "$SCRIPT_DIR/usermgr.py"     "$BASE_DIR/bin/usermgr"
cp "$SCRIPT_DIR/confaccess.py"  "$BASE_DIR/bin/confaccess"
cp "$SCRIPT_DIR/bruteforce.py"  "$BASE_DIR/bin/bruteforce"

chmod +x "$BASE_DIR/bin/usermgr" "$BASE_DIR/bin/confaccess" "$BASE_DIR/bin/bruteforce"

if [ "$(id -u)" -eq 0 ]; then
    chmod 700 "$BASE_DIR" "$BASE_DIR/etc" "$BASE_DIR/confdata" "$BASE_DIR/bin" "$BASE_DIR/log"
    chmod 600 "$BASE_DIR/etc/passwd" "$BASE_DIR/etc/access_mode" \
              "$BASE_DIR/etc/acl" "$BASE_DIR/etc/subject_labels" "$BASE_DIR/etc/object_labels"
    echo "Permissions set (root-only)."
else
    echo "Warning: not running as root; skipping permission hardening."
fi

echo ""
echo "Done. Directory layout:"
ls -la "$BASE_DIR"
echo ""
echo "Next steps:"
echo "  $BASE_DIR/bin/usermgr add <login>"
echo "  $BASE_DIR/bin/confaccess"
echo "  $BASE_DIR/bin/bruteforce <login>"
echo ""
echo "To add bin to PATH temporarily:"
echo "  export PATH=\"$BASE_DIR/bin:\$PATH\""