"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const forEachBail_1 = require("./forEachBail");
function loadDescriptionFile(resolver, directory, filenames, resolveContext, callback) {
    function findDescriptionFile() {
        forEachBail_1.forEachBail(filenames, (filename, bailCallback) => {
            const descriptionFilePath = resolver.join(directory, filename) + '';
            if (resolver.fileSystem.readJson) {
                resolver.fileSystem.readJson(descriptionFilePath, (err, content) => {
                    if (err) {
                        if (typeof err.code !== 'undefined')
                            return bailCallback();
                        return onJson(err);
                    }
                    onJson(null, content);
                });
            }
            else {
                resolver.fileSystem.readFile(descriptionFilePath, (err, content) => {
                    if (err)
                        return callback();
                    let json;
                    try {
                        json = JSON.parse(content);
                    }
                    catch (e) {
                        onJson(e);
                    }
                    onJson(null, json);
                });
            }
            function onJson(err, content) {
                if (err) {
                    if (resolveContext.log) {
                        resolveContext.log(descriptionFilePath + ' (directory description file): ' + err);
                    }
                    else {
                        err.message =
                            descriptionFilePath + ' (directory description file): ' + err;
                    }
                    return callback(err);
                }
                callback(null, {
                    content: content,
                    directory: directory,
                    path: descriptionFilePath,
                });
            }
        }, (err, result) => {
            if (err)
                return callback(err);
            if (result) {
                return callback(null, result);
            }
            else {
                directory = cdUp(directory);
                if (!directory) {
                    return callback();
                }
                else {
                    return findDescriptionFile();
                }
            }
        });
    }
    findDescriptionFile();
}
exports.loadDescriptionFile = loadDescriptionFile;
function getField(content, field) {
    if (!content)
        return undefined;
    if (Array.isArray(field)) {
        let current = content;
        for (let j = 0; j < field.length; j++) {
            if (current === null || typeof current !== 'object') {
                current = null;
                break;
            }
            current = current[field[j]];
        }
        if (typeof current === 'object') {
            return current;
        }
    }
    else {
        if (typeof content[field] === 'object') {
            return content[field];
        }
    }
}
exports.getField = getField;
function cdUp(directory) {
    if (directory === '/')
        return null;
    const i = directory.lastIndexOf('/');
    const j = directory.lastIndexOf('\\');
    const p = i < 0 ? j : j < 0 ? i : i < j ? j : i;
    if (p < 0)
        return null;
    return directory.substr(0, p || 1);
}
exports.cdUp = cdUp;
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