"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const utils = require("../../utils");
class EntryFilter {
    constructor(_settings, _micromatchOptions) {
        this._settings = _settings;
        this._micromatchOptions = _micromatchOptions;
        this.index = new Map();
    }
    getFilter(positive, negative) {
        const positiveRe = utils.pattern.convertPatternsToRe(positive, this._micromatchOptions);
        const negativeRe = utils.pattern.convertPatternsToRe(negative, Object.assign(Object.assign({}, this._micromatchOptions), { dot: true }));
        return (entry) => this._filter(entry, positiveRe, negativeRe);
    }
    _filter(entry, positiveRe, negativeRe) {
        const filepath = utils.path.removeLeadingDotSegment(entry.path);
        if (this._settings.unique && this._isDuplicateEntry(filepath)) {
            return false;
        }
        if (this._onlyFileFilter(entry) || this._onlyDirectoryFilter(entry)) {
            return false;
        }
        if (this._isSkippedByAbsoluteNegativePatterns(filepath, negativeRe)) {
            return false;
        }
        const isDirectory = entry.dirent.isDirectory();
        const isMatched = this._isMatchToPatterns(filepath, positiveRe, isDirectory) && !this._isMatchToPatterns(filepath, negativeRe, isDirectory);
        if (this._settings.unique && isMatched) {
            this._createIndexRecord(filepath);
        }
        return isMatched;
    }
    _isDuplicateEntry(filepath) {
        return this.index.has(filepath);
    }
    _createIndexRecord(filepath) {
        this.index.set(filepath, undefined);
    }
    _onlyFileFilter(entry) {
        return this._settings.onlyFiles && !entry.dirent.isFile();
    }
    _onlyDirectoryFilter(entry) {
        return this._settings.onlyDirectories && !entry.dirent.isDirectory();
    }
    _isSkippedByAbsoluteNegativePatterns(entryPath, patternsRe) {
        if (!this._settings.absolute) {
            return false;
        }
        const fullpath = utils.path.makeAbsolute(this._settings.cwd, entryPath);
        return utils.pattern.matchAny(fullpath, patternsRe);
    }
    _isMatchToPatterns(filepath, patternsRe, isDirectory) {
        // Trying to match files and directories by patterns.
        const isMatched = utils.pattern.matchAny(filepath, patternsRe);
        // A pattern with a trailling slash can be used for directory matching.
        // To apply such pattern, we need to add a tralling slash to the path.
        if (!isMatched && isDirectory) {
            return utils.pattern.matchAny(filepath + '/', patternsRe);
        }
        return isMatched;
    }
}
exports.default = EntryFilter;