"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const promise_1 = __importDefault(require("../utils/promise"));
const validateConfig_1 = __importDefault(require("./validateConfig"));
const configFiles_1 = __importDefault(require("../constants/configFiles"));
/**
 Parse configuration from "book.json" or "book.js"

 @param {Book} book
 @return {Promise<Book>}
 */
function parseConfig(book) {
    const fs = book.getFS();
    let config = book.getConfig();
    return promise_1.default.some(configFiles_1.default, (filename) => {
        // Is this file ignored?
        if (book.isFileIgnored(filename)) {
            return;
        }
        // Try loading it
        return fs
            .loadAsObject(filename)
            .then((cfg) => {
            return fs.statFile(filename).then((file) => {
                return {
                    file: file,
                    values: cfg
                };
            });
        })
            .fail((err) => {
            if (err.code != "MODULE_NOT_FOUND")
                throw err;
            else
                return (0, promise_1.default)(false);
        });
    }).then((result) => {
        let values = result ? result.values : {};
        values = (0, validateConfig_1.default)(values);
        // Set the file
        if (result && result.file) {
            config = config.setFile(result.file);
        }
        // Merge with old values
        config = config.mergeValues(values);
        return book.setConfig(config);
    });
}
exports.default = parseConfig;