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

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
WP_DIR="$ROOT_DIR/backend/wordpress"
ENV_FILE="$ROOT_DIR/.env"

if [[ -f "$ENV_FILE" ]]; then
  set -a
  # shellcheck disable=SC1090
  source "$ENV_FILE"
  set +a
fi

WP_PORT="${WP_PORT:-8081}"
WP_HOST="${WP_HOST:-127.0.0.1}"

required_modules=("mysqli" "dom")
missing_modules=()
php_modules="$(php -m | tr '[:upper:]' '[:lower:]')"

for module in "${required_modules[@]}"; do
  if ! printf '%s\n' "$php_modules" | grep -qx "$module"; then
    missing_modules+=("$module")
  fi
done

if [[ ${#missing_modules[@]} -gt 0 ]]; then
  echo "Faltan extensiones PHP requeridas para WordPress: ${missing_modules[*]}"
  echo "No arranco el servidor para evitar una instalación rota."
  exit 1
fi

if ! php -r "exit((bool) @fsockopen('${WP_HOST}', ${WP_PORT}) ? 0 : 1);"; then
  :
else
  echo "El puerto ${WP_PORT} ya está ocupado."
  exit 1
fi

echo "Iniciando WordPress en http://${WP_HOST}:${WP_PORT}"
exec php -S "${WP_HOST}:${WP_PORT}" -t "$WP_DIR"