/* eslint-disable eslint-comments/no-unlimited-disable */
/* eslint-disable */
// @ts-nocheck

import type { Match } from '../../../locale/types.ts';
import { numericPatterns } from '../constants.ts';
import { Parser } from '../Parser.ts';
import type { ParseFlags, ParseResult } from '../types.ts';
import { mapValue, parseNDigits, parseNumericPattern } from '../utils.ts';

export class MonthParser extends Parser<number> {
  incompatibleTokens: string[] = ['Y', 'R', 'q', 'Q', 'L', 'w', 'I', 'D', 'i', 'e', 'c', 't', 'T'];
  priority = 110;

  parse(dateString: string, token: string, match: Match): ParseResult<number> {
    const valueCallback = (value: number) => value - 1;

    switch (token) {
      // 1, 2, ..., 12
      case 'M':
        return mapValue(parseNumericPattern(numericPatterns.month, dateString), valueCallback);
      // 01, 02, ..., 12
      case 'MM':
        return mapValue(parseNDigits(2, dateString), valueCallback);
      // 1st, 2nd, ..., 12th
      case 'Mo':
        return mapValue(
          match.ordinalNumber(dateString, {
            unit: 'month',
          }),
          valueCallback,
        );
      // Jan, Feb, ..., Dec
      case 'MMM':
        return (
          match.month(dateString, {
            width: 'abbreviated',
            context: 'formatting',
          }) || match.month(dateString, { width: 'narrow', context: 'formatting' })
        );
      // J, F, ..., D
      case 'MMMMM':
        return match.month(dateString, {
          width: 'narrow',
          context: 'formatting',
        });
      // January, February, ..., December
      case 'MMMM':
      default:
        return (
          match.month(dateString, { width: 'wide', context: 'formatting' }) ||
          match.month(dateString, {
            width: 'abbreviated',
            context: 'formatting',
          }) ||
          match.month(dateString, { width: 'narrow', context: 'formatting' })
        );
    }
  }

  validate<DateType extends Date>(_date: DateType, value: number): boolean {
    return value >= 0 && value <= 11;
  }

  set<DateType extends Date>(date: DateType, _flags: ParseFlags, value: number): DateType {
    date.setMonth(value, 1);
    date.setHours(0, 0, 0, 0);
    return date;
  }
}

/* eslint-enable */