import { findYearClosestToRef } from "../../../calculation/years.js";
import { MONTH_DICTIONARY } from "../constants.js";
import { ORDINAL_NUMBER_PATTERN, parseOrdinalNumberPattern } from "../constants.js";
import { YEAR_PATTERN, parseYear } from "../constants.js";
import { matchAnyPattern } from "../../../utils/pattern.js";
import { AbstractParserWithWordBoundaryChecking } from "../../../common/parsers/AbstractParserWithWordBoundary.js";
const PATTERN = new RegExp(`(${matchAnyPattern(MONTH_DICTIONARY)})` +
    "(?:-|/|\\s*,?\\s*)" +
    `(${ORDINAL_NUMBER_PATTERN})(?!\\s*(?:am|pm))\\s*` +
    "(?:" +
    "(?:to|\\-)\\s*" +
    `(${ORDINAL_NUMBER_PATTERN})\\s*` +
    ")?" +
    "(?:" +
    `(?:-|/|\\s*,\\s*|\\s+)` +
    `(${YEAR_PATTERN})` +
    ")?" +
    "(?=\\W|$)(?!\\:\\d)", "i");
const MONTH_NAME_GROUP = 1;
const DATE_GROUP = 2;
const DATE_TO_GROUP = 3;
const YEAR_GROUP = 4;
export default class ENMonthNameMiddleEndianParser extends AbstractParserWithWordBoundaryChecking {
    shouldSkipYearLikeDate;
    constructor(shouldSkipYearLikeDate) {
        super();
        this.shouldSkipYearLikeDate = shouldSkipYearLikeDate;
    }
    innerPattern() {
        return PATTERN;
    }
    innerExtract(context, match) {
        const month = MONTH_DICTIONARY[match[MONTH_NAME_GROUP].toLowerCase()];
        const day = parseOrdinalNumberPattern(match[DATE_GROUP]);
        if (day > 31) {
            return null;
        }
        if (this.shouldSkipYearLikeDate) {
            if (!match[DATE_TO_GROUP] && !match[YEAR_GROUP] && match[DATE_GROUP].match(/^2[0-5]$/)) {
                return null;
            }
        }
        const components = context
            .createParsingComponents({
            day: day,
            month: month,
        })
            .addTag("parser/ENMonthNameMiddleEndianParser");
        if (match[YEAR_GROUP]) {
            const year = parseYear(match[YEAR_GROUP]);
            components.assign("year", year);
        }
        else {
            const year = findYearClosestToRef(context.refDate, day, month);
            components.imply("year", year);
        }
        if (!match[DATE_TO_GROUP]) {
            return components;
        }
        const endDate = parseOrdinalNumberPattern(match[DATE_TO_GROUP]);
        const result = context.createParsingResult(match.index, match[0]);
        result.start = components;
        result.end = components.clone();
        result.end.assign("day", endDate);
        return result;
    }
}
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