const setResponse = (data = null, message = "success", statusCode = 200) => {
  const total = Array.isArray(data) ? data.length : null;

  return {
    message,
    statusCode,
    rows: total,
    data,
  };
};

const setResponsePaging = async (queryParam, data = [], message = "success", statusCode = 200) => {

  const totalPages = Math.ceil(data?.total / Number(queryParam.limit ?? 0));

  const response = {
    message,
    statusCode,
    rows: data?.data?.length,
    paging: {
      current_limit: Number(queryParam.limit ?? 0),
      current_page: Number(queryParam.page ?? 0),
      total_limit: data?.total,
      total_page: totalPages
    },
    data: data?.data ?? []
  }

  return response
};

function convertId(items, id, fieldId = "id", fieldName = "name") {
  var match = ""
  items.forEach(element => {
    if (element[fieldId] == id) {
      match = element[fieldName]
    }
  });

  return match
}

function formatToYYYYMMDD(date) {
  return new Intl.DateTimeFormat('id-ID', {
    timeZone: 'Asia/Jakarta',
    year: 'numeric',
    month: '2-digit',
    day: '2-digit',
  }).format(date).split('/').reverse().join('-'); // Ubah format dari dd/mm/yyyy ke yyyy-mm-dd
}

function ensureArray(param) {
  return Array.isArray(param) ? param : [param];
}

function orderByClauseQuery(orderParams) {
  orderParams = ensureArray(orderParams)

  // Transform order parameters to SQL ORDER BY syntax
  const validDirections = ['ASC', 'DESC'];
  const orderConditions = orderParams.map(param => {
    const [field, direction] = param.split(':');
    if (!validDirections.includes(direction.toUpperCase())) {
      throw new Error(`Invalid direction: ${direction}`);
    }
    return `${field} ${direction}`;
  });

  // Gabungkan dengan koma untuk digunakan dalam query
  const orderByClause = orderConditions.join(', ');

  return orderByClause
}

const checkValidate = (validateSchema, req) => {
  const { error, value } = validateSchema.validate(req.body || {}, { abortEarly: false });
  if (error) {
    const errors = error.details.reduce((acc, cur) => {
      const field = Array.isArray(cur.path) ? cur.path.join('.') : String(cur.path);
      if (!acc[field]) acc[field] = [];
      acc[field].push(cur.message);
      return acc;
    }, {});
    return { error: errors, value }
  }

  return { error, value }
}

module.exports = { setResponse, setResponsePaging, convertId, formatToYYYYMMDD, orderByClauseQuery, checkValidate };