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

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

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

  const totalPages = Math.ceil(total / limit);

  const response = {
    message,
    statusCode,
    data,
    total: data.length,
    paging: {
      total,
      limit,
      page,
      page_total: totalPages
    }
  }

  return response
};

const setPaging = async (total, limit, page) => {

  const totalPages = Math.ceil(total / limit);

  const response = {
    total,
    limit,
    page,
    page_total: totalPages
  }

  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
}

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