#!/usr/bin/env bash
set -Eeuo pipefail

PACKAGE_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
REPO_ROOT="${1:-$PWD}"

if [[ ! -d "${REPO_ROOT}/.git" ]]; then
  echo "ERROR: ${REPO_ROOT} no parece ser la raíz de apps-registry."
  exit 1
fi

test -f "${REPO_ROOT}/workloads/ecommerce/kustomization.yaml"

BACKUP="${REPO_ROOT}/.phase1-backup-$(date +%Y%m%d-%H%M%S)"
mkdir -p "${BACKUP}"

cp -a \
  "${REPO_ROOT}/workloads/ecommerce/kustomization.yaml" \
  "${BACKUP}/kustomization.yaml"

for file in \
  "workloads/ecommerce/lib/headless/providers/medusa.ts" \
  "workloads/ecommerce/next.config.ts"; do
  if [[ -f "${REPO_ROOT}/${file}" ]]; then
    mkdir -p "${BACKUP}/$(dirname "${file}")"
    cp -a "${REPO_ROOT}/${file}" "${BACKUP}/${file}"
  fi
done

cp -a \
  "${PACKAGE_ROOT}/apps-registry/." \
  "${REPO_ROOT}/"

KUSTOMIZATION="${REPO_ROOT}/workloads/ecommerce/kustomization.yaml"

python3 - "${KUSTOMIZATION}" <<'PY'
from pathlib import Path
import sys

path = Path(sys.argv[1])
text = path.read_text(encoding="utf-8")

if "  - commerce/" not in text:
    marker = "resources:\n"
    if marker not in text:
        raise SystemExit("No se encontró el bloque resources en kustomization.yaml")

    lines = text.splitlines()
    out = []
    inserted = False

    for line in lines:
        if not inserted and line.startswith("patches:"):
            out.append("  - commerce/")
            out.append("")
            inserted = True
        out.append(line)

    if not inserted:
        out.append("  - commerce/")

    path.write_text("\n".join(out).rstrip() + "\n", encoding="utf-8")
PY

echo
echo "Fase 1 copiada en: ${REPO_ROOT}"
echo "Respaldo: ${BACKUP}"
echo
echo "El frontend NO fue cambiado a Medusa todavía."
echo "Revisa los cambios con: git status && git diff"