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import InWords from "./in_words.ts";
interface KeyList {  d: string;  h: string;  m: string;  s: string;  ms: string;  us: string;  ns: string;}const keyList: KeyList = {  d: "days",  h: "hours",  m: "minutes",  s: "seconds",  ms: "milliseconds",  us: "microseconds",  ns: "nanoseconds",};
/** * @typedef {string} DurationKeys - Units of time. */export type DurationKeys = "d" | "h" | "m" | "s" | "ms" | "us" | "ns";
/** * For the array of values * @typedef {object} KeyValue * @property {string} type - Type of key. One of d, h, m, s, ms, us, ns * @property {number} value - Value of the time unit */export interface KeyValue {  type: DurationKeys;  value: number;}
/** * Duration Object * @typedef {Object} DurationObj * @property {number} raw - Total number of milliseconds in the duration * @property {number} d - Number of days held by duration * @property {number} h - Number of hours held by duration * @property {number} m - Number of minutes held by duration * @property {number} s - Number of seconds held by duration * @property {number} ms - Number of milliseconds held by duration * @property {number} us - Number of microseconds held by duration * @property {number} ns - Number of nanoseconds held by duration */export interface DurationObj {  raw: number;  d: number;  h: number;  m: number;  s: number;  ms: number;  us: number;  ns: number;}
const BaseDurationObj: DurationObj = {  raw: 0,  d: 0,  h: 0,  m: 0,  s: 0,  ms: 0,  us: 0,  ns: 0,};
/** * A simple JavaScript class used to parse time durations * @module Duration * @class */
export class Duration {  raw: number;  d: number;  h: number;  m: number;  s: number;  ms: number;  us: number;  ns: number;  /**   * Parse milliseconds into separate units of time.   * @param {number} timestamp - Milliseconds to parse into a duration object.   * @returns {<Duration>}   */  constructor(timestamp: number = Duration.getCurrentDuration()) {    if (timestamp < 0) timestamp = 0; // Prevent negative time    timestamp = Number(timestamp);    this.raw = timestamp;    this.d = Math.trunc(timestamp / 86400000);    this.h = Math.trunc(timestamp / 3600000) % 24;    this.m = Math.trunc(timestamp / 60000) % 60;    this.s = Math.trunc(timestamp / 1000) % 60;    this.ms = Math.trunc(timestamp) % 1000;    this.us = Math.trunc(timestamp * 1000) % 1000;    this.ns = Math.trunc(timestamp * 1000000) % 1000;  }  /**   * An array of time units and their values.   * @returns {KeyValue[]}   */  get array(): KeyValue[] {    return [      { type: "d", value: this.d },      { type: "h", value: this.h },      { type: "m", value: this.m },      { type: "s", value: this.s },      { type: "ms", value: this.ms },      { type: "us", value: this.us },      { type: "ns", value: this.ns },    ];  }  /**   * Alias for microseconds.   */  get µs(): number {    return this.us;  }  /**   * Data in the class mapped as a JavaScript Object.   * @returns {DurationObj}   */  get json(): DurationObj {    return this.array.reduce(      (acc, stuff) => ((acc[stuff.type] = stuff.value), acc),      BaseDurationObj,    );  }  /**   * Add more days to the duration.   * @param {number} n - Number of days to add.   * @returns {Duration} The updated duration.   */  addDays(n: number): Duration {    this.d += n;    return this.reload();  }  /**   * Add more hours to the duration.   * @param {number} n - Number of hours to add.   * @returns {Duration} The updated duration.   */  addHours(n: number): Duration {    this.h += n;    return this.reload();  }  /**   * Add more minutes to the duration.   * @param {number} n - Number of minutes to add.   * @returns {Duration} The updated duration.   */  addMinutes(n: number): Duration {    this.m += n;    return this.reload();  }  /**   * Add more seconds to the duration.   * @param {number} n - Number of seconds to add.   * @returns {Duration} The updated duration.   */  addSeconds(n: number): Duration {    this.s += n;    return this.reload();  }  /**   * Add more milliseconds to the duration.   * @param {number} n - Number of milliseconds to add.   * @returns {Duration} The updated duration.   */  addMilliseconds(n: number): Duration {    this.ms += n;    return this.reload();  }  /**   * Add more microseconds to the duration.   * @param {number} n - Number of microseconds to add.   * @returns {Duration} The updated duration.   */  addMicroseconds(n: number): Duration {    this.us += n;    return this.reload();  }  /**   * Add more nanoseconds to the duration.   * @param {number} n - Number of nanoseconds to add.   * @returns {Duration} The updated duration.   */  addNanoseconds(n: number): Duration {    this.ns += n;    return this.reload();  }  /**   * Clone current duration (run Duration#reload before this if you manually tweaked the properties).   * @returns {Duration} cloned duration   */  clone(): Duration {    return new Duration(this.raw);  }  /**   * Get a simple formatted duration in the form dd:hh:mm:ss:ms (Deprecated. Use Duration#toString())   * @returns {string} Formatted string   */  getSimpleFormattedDuration(): string {    return this.toString();  }  getFormattedDurationArray(): string[] {    return this.array.map((x) =>      ["ms", "us", "ns"].includes(x.type)        ? addZero(x.value, 3)        : addZero(x.value, 2)    );  }  /**   * Update data to match any modification to values.   * @returns {<Duration>}   */  reload(): Duration {    const ts = this.d * 8.64e7 +      this.h * 3600000 +      this.m * 60000 +      this.s * 1000 +      this.ms + (this.us / 1000) + (this.ns / 1000000);    if (ts === this.raw) return this;    const newDuration = new Duration(ts);    this.d = newDuration.d;    this.h = newDuration.h;    this.m = newDuration.m;    this.s = newDuration.s;    this.ms = newDuration.ms;    this.ns = newDuration.ns;    this.us = newDuration.us;    this.raw = newDuration.raw;    return this;  }  /**   * Set days of the duration.   * @param {number} n - Number of days to set.   * @returns {Duration} The updated duration.   */  setDays(n: number): Duration {    this.d = n;    return this.reload();  }  /**   * Set hours of the duration.   * @param {number} n - Number of hours to set.   * @returns {Duration} The updated duration.   */  setHours(n: number): Duration {    this.h = n;    return this.reload();  }  /**   * Set minutes of the duration.   * @param {number} n - Number of minutes to set.   * @returns {Duration} The updated duration.   */  setMinutes(n: number): Duration {    this.m = n;    return this.reload();  }  /**   * Set seconds of the duration.   * @param {number} n - Number of seconds to set.   * @returns {Duration} The updated duration.   */  setSeconds(n: number): Duration {    this.s = n;    return this.reload();  }  /**   * Set milliseconds of the duration.   * @param {number} n - Number of milliseconds to set.   * @returns {Duration} The updated duration.   */  setMilliseconds(n: number): Duration {    this.ms = n;    return this.reload();  }  /**   * Set microseconds of the duration.   * @param {number} n - Number of microseconds to set.   * @returns {Duration} The updated duration.   */  setMicroseconds(n: number): Duration {    this.us = n;    return this.reload();  }  /**   * Set nanoseconds of the duration.   * @param {number} n - Number of nanoseconds to set.   * @returns {Duration} The updated duration.   */  setNanoseconds(n: number): Duration {    this.ns = n;    return this.reload();  }  /**   * Get a formatted, human-readable string of the duration.   * @param {string[]} values - The values required to display.   * @returns {string} formatted string - The formatted string result.   */  toDescriptiveString(values: string[] | null = []): string {    if (!Array.isArray(values) || values.length == 0) {      return `${        this.array.map((x) => `${x.value} ${keyList[x.type]}`).join(", ")      }`;    }    return `${      this.array        .filter((x) => values.includes(x.type))        .map((x) => `${x.value} ${keyList[x.type]}`)        .join(", ")    }`;  }  /**   * Convert the Duration into a plain object.   * @returns {DurationObj} Duration object   */  toJSON(): DurationObj {    return this.json;  }  /**   * Get a formatted, human-readable string of the duration.   * @param {string[]} values - The values required to display.   * @returns {string} formatted string - The formatted string result.   */  toShortString(values: string[] | null = []): string {    if (!Array.isArray(values) || values.length == 0) {      return `${this.array.map((x) => `${x.value}${x.type}`).join(" ")}`;    }    return `${      this.array        .filter((x) => values.includes(x.type))        .map((x) => `${x.value}${x.type}`)        .join(" ")    }`;  }  /**   * Get a simple formatted duration in the form dd:hh:mm:ss:ms   * @returns {string} Formatted string   */  toString(): string {    return `${this.getFormattedDurationArray().join(":")}`;  }  /**   * Get a duration formatted using colons (:).   * @param {string} fromT - Unit to display from.   * @param {string} toT - Unit to display upto.   * @returns {string} Formatted string.   */  toTimeString(    fromT: DurationKeys = "d",    toT: DurationKeys = "ns",  ): string {    if (      typeof fromT !== "string" ||      typeof toT !== "string" ||      !Object.prototype.hasOwnProperty.call(keyList, fromT.toLowerCase()) ||      !Object.prototype.hasOwnProperty.call(keyList, toT.toLowerCase())    ) {      return this.getSimpleFormattedDuration();    }    const durations = this.getFormattedDurationArray();    const listOfKeys = Object.keys(keyList);    return durations.slice(      listOfKeys.indexOf(fromT),      listOfKeys.indexOf(toT) + 1,    ).join(":");  }  /**   * Get a human-readable string of the duration in words.   * @param {string[]} values - The values required to display.   * @returns {string} formatted string - The formatted string result.   */  toWordString(values: string[] | null = []): string {    if (!Array.isArray(values) || values.length === 0) {      return `${        this.array          .map((x) => `${InWords(x.value).trim()} ${keyList[x.type]}`)          .join(", ")      }`;    }    if (values.length > 0) {      return `${        this.array          .filter((x) => values.includes(x.type))          .map((x) => `${InWords(x.value).trim()} ${keyList[x.type]}`)          .join(", ")      }`;    }    return `${      this.array        .map((x) => `${InWords(x.value).trim()} ${keyList[x.type]}`)        .join(", ")    }`;  }
  /**   * Just the valueOf method.   * @returns {number} Raw milliseconds of the duration   */  valueOf(): number {    return this.raw;  }  /**   * Get the duration between two timestamps or two other durations.   * @param {string|number|Duration} duration1 - Duration/Timestamp to find duration from.   * @param {string|number|Duration} duration2 - Duration/Timestamp to find duration upto.   * @returns {Duration} New duration between the two specified durations.   */  static between(    duration1: string | number | Duration,    duration2: string | number | Duration | undefined | null,  ): Duration {    let myDuration1: Duration, myDuration2: Duration;    // Duration 1    if (duration1 instanceof Duration) myDuration1 = duration1;    else if (typeof duration1 === "string") {      if (isNaN(+duration1)) myDuration1 = Duration.fromString(duration1);      else myDuration1 = new Duration(+duration1);    } else if (typeof duration1 === "number") {      myDuration1 = new Duration(duration1);    } else myDuration1 = new Duration();    // Duration 2    if (duration2 instanceof Duration) myDuration2 = duration2;    else if (typeof duration2 === "string") {      if (isNaN(+duration2)) myDuration2 = Duration.fromString(duration2);      else myDuration2 = new Duration(+duration2);    } else if (typeof duration2 === "number") {      myDuration2 = new Duration(duration2);    } else myDuration2 = new Duration();
    // Doing stuff    return new Duration(      myDuration1.raw > myDuration2.raw        ? myDuration1.raw - myDuration2.raw        : myDuration2.raw - myDuration1.raw,    );  }  /**   * Reads a given string and parses a duration from it.   * @param {string} str - A string which could contain a duration   * @param {string} doNotParse - Directly return the values read   * @returns {Duration}   */  static fromString(str: string, doNotParse = false): Duration {    const { raw, d, h, m, s, ms, ns, us } = Duration.readString(str);    const ts = raw;
    const newDuration = new Duration(ts);    if (doNotParse) {      newDuration.d = d;      newDuration.h = h;      newDuration.m = m;      newDuration.s = s;      newDuration.ms = ms;      newDuration.ns = ns;      newDuration.us = us;    }    return newDuration;  }  /**   * Get the duration till next midnight in milliseconds.   * @returns {number} Duration in milliseconds till the next midnight   */  static getCurrentDuration(): number {    return Date.now() - new Date().setHours(0, 0, 0, 0);  }  /**   * Read duration data from a string.   * @param {string} str - The string to read   * @returns {DurationObj} obj - Object with days, hours, mins, seconds and milliseconds   */  static readString(str: string): DurationObj {    str = str.replace(/\s\s/g, "");    const days = matchUnit(str, "d") || matchUnit(str, "days") ||      matchUnit(str, "day");    const hours = matchUnit(str, "h") || matchUnit(str, "hours") ||      matchUnit(str, "hour");    const minutes = matchUnit(str, "m") ||      matchUnit(str, "min") ||      matchUnit(str, "minute") ||      matchUnit(str, "mins") ||      matchUnit(str, "minutes");    const seconds = matchUnit(str, "s") ||      matchUnit(str, "sec") ||      matchUnit(str, "second") ||      matchUnit(str, "secs") ||      matchUnit(str, "seconds");    const milliseconds = matchUnit(str, "ms") ||      matchUnit(str, "millisecond") ||      matchUnit(str, "milliseconds");    const nanoseconds = matchUnit(str, "ns") ||      matchUnit(str, "nanosecond") ||      matchUnit(str, "nanoseconds");    const microseconds = matchUnit(str, "µs") ||      matchUnit(str, "microsecond") ||      matchUnit(str, "microseconds");    matchUnit(str, "us");    return {      raw: days * 8.64e7 + hours * 3600000 + minutes * 60000 + seconds * 1000 +        milliseconds +        (microseconds / 1000) +        (nanoseconds / 1000000),      d: days,      h: hours,      m: minutes,      s: seconds,      ms: milliseconds,      ns: nanoseconds,      us: microseconds,    };  }  /**   * Get duration since a moment in time.   * @param {Date|number} when   * @returns {Duration} Duration   */  static since(when: number | Date): Duration {    return Duration.between(      when instanceof Date ? when.getTime() : when,      Date.now(),    );  }}
/** * Match a unit in a string. Like "1kg", "3L", etc. * @param {string} str - String to match from * @param {string} t - Unit to look for. Doesn't support aliases. * @returns {number} value - Value of the unit matched */export function matchUnit(str: string, t: string): number {  const reg = new RegExp(`(\\d+)\\s?${t}(?:[^a-z]|$)`, "i");  const matched = reg.exec(str);  if (!matched) return 0;  return parseInt(matched[1].replace(t, ""));}
/** * Add zeros to the beginning of a number till it reaches a certain digit count. * @param {number} num - Number to add zeros to. * @param {number} digits - Number of digits the number has to reach. */export function addZero(num: number, digits = 3): string {  const arr = new Array(digits).fill(0);  return `${arr.join("").slice(0, 0 - num.toString().length)}${num}`;}
// For CommonJS support// module.exports = Duration;
export default Duration;