#!/usr/bin/env bash

set -euo pipefail

if [[ $# -ne 1 ]]; then
    echo "Usage: $0 <toolbox-name>" >&2
    exit 1
fi

RAW_NAME="$1"
if [[ "${RAW_NAME}" == toolbox-* ]]; then
    TOOLBOX_NAME="${RAW_NAME}"
else
    TOOLBOX_NAME="toolbox-${RAW_NAME}"
fi

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
TEMPLATE_DIR="${SCRIPT_DIR}/toolbox-template"
TARGET_DIR="${SCRIPT_DIR}/${TOOLBOX_NAME}"

if [[ ! -d "${TEMPLATE_DIR}" ]]; then
    echo "Error: template directory not found at ${TEMPLATE_DIR}" >&2
    exit 1
fi

if [[ -e "${TARGET_DIR}" ]]; then
    echo "Error: ${TARGET_DIR} already exists" >&2
    exit 1
fi

cp -R "${TEMPLATE_DIR}" "${TARGET_DIR}"

python3 - "$TARGET_DIR" "$TOOLBOX_NAME" <<'PY'
import sys
from pathlib import Path

base = Path(sys.argv[1])
toolbox_name = sys.argv[2]

for path in base.rglob("*"):
    if not path.is_file():
        continue
    text = path.read_text()
    updated = text.replace("{{toolbox_name}}", toolbox_name)
    if updated != text:
        path.write_text(updated)
PY

echo "Created ${TARGET_DIR} from template."
echo "Next steps:"
echo "  1) Edit ${TARGET_DIR}/SEED once to describe the toolbox goals."
echo "  2) Load ${TARGET_DIR}/PROMPT in Codex; it will instruct you to read SEED and proceed."