/**
 * Copyright 2023 Google Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import os from 'os';
import { BrowserPlatform } from './browser-data/browser-data.js';
/**
 * @public
 */
export function detectBrowserPlatform() {
    const platform = os.platform();
    switch (platform) {
        case 'darwin':
            return os.arch() === 'arm64'
                ? BrowserPlatform.MAC_ARM
                : BrowserPlatform.MAC;
        case 'linux':
            return BrowserPlatform.LINUX;
        case 'win32':
            return os.arch() === 'x64' ||
                // Windows 11 for ARM supports x64 emulation
                (os.arch() === 'arm64' && isWindows11(os.release()))
                ? BrowserPlatform.WIN64
                : BrowserPlatform.WIN32;
        default:
            return undefined;
    }
}
/**
 * Windows 11 is identified by the version 10.0.22000 or greater
 * @internal
 */
function isWindows11(version) {
    const parts = version.split('.');
    if (parts.length > 2) {
        const major = parseInt(parts[0], 10);
        const minor = parseInt(parts[1], 10);
        const patch = parseInt(parts[2], 10);
        return (major > 10 ||
            (major === 10 && minor > 0) ||
            (major === 10 && minor === 0 && patch >= 22000));
    }
    return false;
}
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