"use strict";
// The MIT License (MIT)
//
// Copyright (c) 2017 Firebase
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
Object.defineProperty(exports, "__esModule", { value: true });
function config() {
    if (typeof config.singleton === 'undefined') {
        init();
    }
    return config.singleton;
}
exports.config = config;
(function (config) {
})(config = exports.config || (exports.config = {}));
/* @internal */
function firebaseConfig() {
    // The FIREBASE_PROJECT environment variable was introduced to help local emulation with `firebase-tools` 3.18
    // Unfortunately, API review decided that the name should be FIREBASE_CONFIG to avoid confusions that Firebase has
    // a separate project from Google Cloud. This accepts both versions, preferring the documented name.
    const env = process.env.FIREBASE_CONFIG || process.env.FIREBASE_PROJECT;
    if (env) {
        return JSON.parse(env);
    }
    // Could have Runtime Config with Firebase in it as an ENV value.
    try {
        const config = JSON.parse(process.env.CLOUD_RUNTIME_CONFIG);
        if (config.firebase) {
            return config.firebase;
        }
    }
    catch (e) {
        // Do nothing
    }
    // Could have Runtime Config with Firebase in it as an ENV location or default.
    try {
        const path = process.env.CLOUD_RUNTIME_CONFIG || '../../../.runtimeconfig.json';
        const config = require(path);
        if (config.firebase) {
            return config.firebase;
        }
    }
    catch (e) {
        // Do nothing
    }
    return null;
}
exports.firebaseConfig = firebaseConfig;
function init() {
    try {
        const parsed = JSON.parse(process.env.CLOUD_RUNTIME_CONFIG);
        delete parsed.firebase;
        config.singleton = parsed;
        return;
    }
    catch (e) {
        // Do nothing
    }
    try {
        let path = process.env.CLOUD_RUNTIME_CONFIG || '../../../.runtimeconfig.json';
        const parsed = require(path);
        delete parsed.firebase;
        config.singleton = parsed;
        return;
    }
    catch (e) {
        // Do nothing
    }
    config.singleton = {};
}