import {EMPTY_STRING} from './strings.ts';

import {size} from './other.ts';

export const arrayNew = <Value>(

size: number,

cb: (index: number) => Value,

): Value[] => arrayMap(new Array(size).fill(0), (_, index) => cb(index));

export const arrayHas = <Value>(array: Value[], value: Value): boolean =>

array.includes(value);

export const arrayEvery = <Value>(

array: Value[],

cb: (value: Value, index: number) => boolean | 0 | 1,

): boolean => array.every(cb);

export const arrayIsEqual = (array1: unknown[], array2: unknown[]): boolean =>

size(array1) === size(array2) &&

arrayEvery(array1, (value1, index) => array2[index] === value1);

export const arrayIsSorted = <Value>(

array: Value[],

sorter: (value1: Value, value2: Value) => number,

): boolean =>

arrayEvery(

array,

(value, index) => index == 0 || sorter(array[index - 1], value) <= 0,

);

export const arraySort = <Value>(

array: Value[],

sorter?: (value1: Value, value2: Value) => number,

): Value[] => array.sort(sorter);

export const arrayForEach = <Value>(

array: {forEach: (cb: (value: Value, index: number) => void) => void},

cb: (value: Value, index: number) => void,

): void => array.forEach(cb);

export const arrayJoin = (array: string[], sep = EMPTY_STRING) =>

array.join(sep);

export const arrayMap = <Value, Return>(

array: Value[],

cb: (value: Value, index: number, array: Value[]) => Return,

): Return[] => array.map(cb);

export const arraySum = (array: number[]): number =>

arrayReduce<number, number>(array, (i, j) => i + j, 0);

export const arrayIsEmpty = (array: unknown[]): boolean => size(array) == 0;

export const arrayReduce = <Value, Result>(

array: Value[],

cb: (previous: Result, current: Value) => Result,

initial: Result,

): Result => array.reduce(cb, initial);

export const arrayFilter = <Value>(

array: Value[],

cb: (value: Value) => boolean,

): Value[] => array.filter(cb);

export const arrayClear = <Value>(array: Value[], to?: number): Value[] =>

array.splice(0, to);

export const arrayPush = <Value>(array: Value[], ...values: Value[]): number =>

array.push(...values);

export const arrayPop = <Value>(array: Value[]): Value | undefined =>

array.pop();

export const arrayUnshift = <Value>(

array: Value[],

...values: Value[]

): number => array.unshift(...values);

export const arrayShift = <Value>(array: Value[]): Value | undefined =>

array.shift();

export const arrayWith = <Value>(

array: Value[],

index: number,

value: Value,

): Value[] => array.with(index, value);