/*!
 * All material copyright ESRI, All Rights Reserved, unless otherwise specified.
 * See https://github.com/Esri/calcite-components/blob/master/LICENSE.md for details.
 * v1.0.0-beta.82
 */
import { isValidNumber } from "./number";
export const maxTenthForMinuteAndSecond = 5;
function createLocaleDateTimeFormatter(locale, includeSeconds = true) {
  try {
    const options = {
      hour: "2-digit",
      minute: "2-digit",
      timeZone: "UTC"
    };
    if (includeSeconds) {
      options.second = "2-digit";
    }
    return new Intl.DateTimeFormat(locale, options);
  }
  catch (e) {
    throw new Error(`Invalid locale supplied while attempting to create a DateTime formatter: ${locale}`);
  }
}
export function formatTimePart(number) {
  const numberAsString = number.toString();
  return number >= 0 && number <= 9 ? numberAsString.padStart(2, "0") : numberAsString;
}
export function formatTimeString(value) {
  if (!isValidTime(value)) {
    return null;
  }
  const [hourString, minuteString, secondString] = value.split(":");
  const hour = formatTimePart(parseInt(hourString));
  const minute = formatTimePart(parseInt(minuteString));
  if (secondString) {
    const second = formatTimePart(parseInt(secondString));
    return `${hour}:${minute}:${second}`;
  }
  return `${hour}:${minute}`;
}
export function getLocaleHourCycle(locale) {
  const formatter = createLocaleDateTimeFormatter(locale);
  const parts = formatter.formatToParts(new Date(Date.UTC(0, 0, 0, 0, 0, 0)));
  return getLocalizedTimePart("meridiem", parts) ? "12" : "24";
}
function getLocalizedTimePart(part, parts) {
  var _a, _b, _c, _d;
  if (!part || !parts) {
    return null;
  }
  if (part === "hourSuffix") {
    const hourIndex = parts.indexOf(parts.find(({ type }) => type === "hour"));
    const minuteIndex = parts.indexOf(parts.find(({ type }) => type === "minute"));
    const hourSuffix = parts[hourIndex + 1];
    return hourSuffix && hourSuffix.type === "literal" && minuteIndex - hourIndex === 2
      ? ((_a = hourSuffix.value) === null || _a === void 0 ? void 0 : _a.trim()) || null
      : null;
  }
  if (part === "minuteSuffix") {
    const minuteIndex = parts.indexOf(parts.find(({ type }) => type === "minute"));
    const secondIndex = parts.indexOf(parts.find(({ type }) => type === "second"));
    const minuteSuffix = parts[minuteIndex + 1];
    return minuteSuffix && minuteSuffix.type === "literal" && secondIndex - minuteIndex === 2
      ? ((_b = minuteSuffix.value) === null || _b === void 0 ? void 0 : _b.trim()) || null
      : null;
  }
  if (part === "secondSuffix") {
    const secondIndex = parts.indexOf(parts.find(({ type }) => type === "second"));
    const secondSuffix = parts[secondIndex + 1];
    return secondSuffix && secondSuffix.type === "literal" ? ((_c = secondSuffix.value) === null || _c === void 0 ? void 0 : _c.trim()) || null : null;
  }
  return ((_d = parts.find(({ type }) => (part == "meridiem" ? type === "dayPeriod" : type === part))) === null || _d === void 0 ? void 0 : _d.value) || null;
}
export function getMeridiem(hour) {
  if (!isValidNumber(hour)) {
    return null;
  }
  const hourAsNumber = parseInt(hour);
  return hourAsNumber >= 0 && hourAsNumber <= 11 ? "AM" : "PM";
}
export function isValidTime(value) {
  if (!value || value.startsWith(":") || value.endsWith(":")) {
    return false;
  }
  const splitValue = value.split(":");
  const validLength = splitValue.length > 1 && splitValue.length < 4;
  if (!validLength) {
    return false;
  }
  const [hour, minute, second] = splitValue;
  const hourAsNumber = parseInt(splitValue[0]);
  const minuteAsNumber = parseInt(splitValue[1]);
  const secondAsNumber = parseInt(splitValue[2]);
  const hourValid = isValidNumber(hour) && hourAsNumber >= 0 && hourAsNumber < 24;
  const minuteValid = isValidNumber(minute) && minuteAsNumber >= 0 && minuteAsNumber < 60;
  const secondValid = isValidNumber(second) && secondAsNumber >= 0 && secondAsNumber < 60;
  if ((hourValid && minuteValid && !second) || (hourValid && minuteValid && secondValid)) {
    return true;
  }
}
function isValidTimePart(value, part) {
  if (part === "meridiem") {
    return value === "AM" || value === "PM";
  }
  if (!isValidNumber(value)) {
    return false;
  }
  const valueAsNumber = Number(value);
  return part === "hour" ? valueAsNumber >= 0 && valueAsNumber < 24 : valueAsNumber >= 0 && valueAsNumber < 60;
}
export function localizeTimePart(value, part, locale) {
  if (!isValidTimePart(value, part)) {
    return;
  }
  const valueAsNumber = parseInt(value);
  const date = new Date(Date.UTC(0, 0, 0, part === "hour" ? valueAsNumber : part === "meridiem" ? (value === "AM" ? 0 : 12) : 0, part === "minute" ? valueAsNumber : 0, part === "second" ? valueAsNumber : 0));
  if (!date) {
    return;
  }
  const formatter = createLocaleDateTimeFormatter(locale);
  const parts = formatter.formatToParts(date);
  return getLocalizedTimePart(part, parts);
}
export function localizeTimeString(value, locale = "en", includeSeconds = true) {
  if (!isValidTime(value)) {
    return null;
  }
  const { hour, minute, second = "0" } = parseTimeString(value);
  const dateFromTimeString = new Date(Date.UTC(0, 0, 0, parseInt(hour), parseInt(minute), parseInt(second)));
  const formatter = createLocaleDateTimeFormatter(locale, includeSeconds);
  return (formatter === null || formatter === void 0 ? void 0 : formatter.format(dateFromTimeString)) || null;
}
export function localizeTimeStringToParts(value, locale = "en") {
  if (!isValidTime(value)) {
    return null;
  }
  const { hour, minute, second = "0" } = parseTimeString(value);
  const dateFromTimeString = new Date(Date.UTC(0, 0, 0, parseInt(hour), parseInt(minute), parseInt(second)));
  if (dateFromTimeString) {
    const formatter = createLocaleDateTimeFormatter(locale);
    const parts = formatter.formatToParts(dateFromTimeString);
    return {
      localizedHour: getLocalizedTimePart("hour", parts),
      localizedHourSuffix: getLocalizedTimePart("hourSuffix", parts),
      localizedMinute: getLocalizedTimePart("minute", parts),
      localizedMinuteSuffix: getLocalizedTimePart("minuteSuffix", parts),
      localizedSecond: getLocalizedTimePart("second", parts),
      localizedSecondSuffix: getLocalizedTimePart("secondSuffix", parts),
      localizedMeridiem: getLocalizedTimePart("meridiem", parts)
    };
  }
  return null;
}
export function getTimeParts(value, locale = "en") {
  if (!isValidTime(value)) {
    return null;
  }
  const { hour, minute, second = "0" } = parseTimeString(value);
  const dateFromTimeString = new Date(Date.UTC(0, 0, 0, parseInt(hour), parseInt(minute), parseInt(second)));
  if (dateFromTimeString) {
    const formatter = createLocaleDateTimeFormatter(locale);
    const parts = formatter.formatToParts(dateFromTimeString);
    return parts;
  }
  return null;
}
export function parseTimeString(value) {
  if (isValidTime(value)) {
    const [hour, minute, second] = value.split(":");
    return {
      hour,
      minute,
      second
    };
  }
  return {
    hour: null,
    minute: null,
    second: null
  };
}