import {date} from "quasar";

export const FORMAT_ISO = "YYYY-MM-DDTHH:mm:ss";
export const FORMAT_DATETIME_LONG = "DD. MM. YYYY, HH:mm";
export const FORMAT_DATE = "DD. MM. YYYY";
export const FORMAT_DATE_ISO = "YYYY-MM-DD";
export const FORMAT_TIME = "HH:mm"

export const minutesToHumanReadable = (totalMinutes) => {
  const hours = Math.floor(totalMinutes / 60);
  const minutes = totalMinutes % 60;

  const hoursPart = hours > 0 ? `${hours}h ` : "";
  return `${hoursPart}${minutes}min`
}

export const formatDatetimeNative = (date, format = "DD. MM. YYYY") => {
  if (typeof date === 'string') {
    date = parseDate(date);
  }

  return format
    .replace("DD", date.getDate().toString())
    .replace("MM", (date.getMonth() + 1).toString())
    .replace("YYYY", date.getFullYear().toString())

    // todo: doplnit pocatecni nuly
    .replace("hh", date.getHours().toString())
    .replace("mm", date.getMinutes().toString())
    .replace("ss", date.getSeconds().toString());
}

export const parseDateNative = (datetime) => {
  // const [date, time] = datetime.split("T");
  // const [year, month, day] = date.split("-");
  // const [hour, minute] = time.split(":");
  // const dateObject = new Date(year, month, day, hour, minute, 0);
  // ^ tohle funguje ok

  const timestamp = Date.parse(datetime);
  return new Date(timestamp);
}


export const parseDate = (datetimeStr, format = FORMAT_ISO) => {
  return date.extractDate(datetimeStr, format)
}

export const formatDatetime = (datetime, format = FORMAT_DATETIME_LONG, inputFormat = FORMAT_ISO) => {
  if (typeof datetime === 'string') {
    datetime = parseDate(datetime, inputFormat);
  }
  return date.formatDate(datetime, format);
}