// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
// See LICENSE in the project root for license information.
/* eslint-disable no-console */
import * as path from 'node:path';
import * as fs from 'node:fs';
const { installAndRun, findRushJsonFolder, RUSH_JSON_FILENAME, runWithErrorAndStatusCode } = __non_webpack_require__('./install-run');
const PACKAGE_NAME = '@microsoft/rush';
const RUSH_PREVIEW_VERSION = 'RUSH_PREVIEW_VERSION';
const INSTALL_RUN_RUSH_LOCKFILE_PATH_VARIABLE = 'INSTALL_RUN_RUSH_LOCKFILE_PATH';
function _getRushVersion(logger) {
    const rushPreviewVersion = process.env[RUSH_PREVIEW_VERSION];
    if (rushPreviewVersion !== undefined) {
        logger.info(`Using Rush version from environment variable ${RUSH_PREVIEW_VERSION}=${rushPreviewVersion}`);
        return rushPreviewVersion;
    }
    const rushJsonFolder = findRushJsonFolder();
    const rushJsonPath = path.join(rushJsonFolder, RUSH_JSON_FILENAME);
    try {
        const rushJsonContents = fs.readFileSync(rushJsonPath, 'utf-8');
        // Use a regular expression to parse out the rushVersion value because rush.json supports comments,
        // but JSON.parse does not and we don't want to pull in more dependencies than we need to in this script.
        const rushJsonMatches = rushJsonContents.match(/\"rushVersion\"\s*\:\s*\"([0-9a-zA-Z.+\-]+)\"/);
        return rushJsonMatches[1];
    }
    catch (e) {
        throw new Error(`Unable to determine the required version of Rush from ${RUSH_JSON_FILENAME} (${rushJsonFolder}). ` +
            `The 'rushVersion' field is either not assigned in ${RUSH_JSON_FILENAME} or was specified ` +
            'using an unexpected syntax.');
    }
}
function _getBin(scriptName) {
    switch (scriptName.toLowerCase()) {
        case 'install-run-rush-pnpm.js':
            return 'rush-pnpm';
        case 'install-run-rushx.js':
            return 'rushx';
        default:
            return 'rush';
    }
}
function _run() {
    const [nodePath /* Ex: /bin/node */, scriptPath /* /repo/common/scripts/install-run-rush.js */, ...packageBinArgs /* [build, --to, myproject] */] = process.argv;
    // Detect if this script was directly invoked, or if the install-run-rushx script was invokved to select the
    // appropriate binary inside the rush package to run
    const scriptName = path.basename(scriptPath);
    const bin = _getBin(scriptName);
    if (!nodePath || !scriptPath) {
        throw new Error('Unexpected exception: could not detect node path or script path');
    }
    let commandFound = false;
    let logger = { info: console.log, error: console.error };
    for (const arg of packageBinArgs) {
        if (arg === '-q' || arg === '--quiet') {
            // The -q/--quiet flag is supported by both `rush` and `rushx`, and will suppress
            // any normal informational/diagnostic information printed during startup.
            //
            // To maintain the same user experience, the install-run* scripts pass along this
            // flag but also use it to suppress any diagnostic information normally printed
            // to stdout.
            logger = {
                info: () => { },
                error: console.error
            };
        }
        else if (!arg.startsWith('-') || arg === '-h' || arg === '--help') {
            // We either found something that looks like a command (i.e. - doesn't start with a "-"),
            // or we found the -h/--help flag, which can be run without a command
            commandFound = true;
        }
    }
    if (!commandFound) {
        console.log(`Usage: ${scriptName} <command> [args...]`);
        if (scriptName === 'install-run-rush-pnpm.js') {
            console.log(`Example: ${scriptName} pnpm-command`);
        }
        else if (scriptName === 'install-run-rush.js') {
            console.log(`Example: ${scriptName} build --to myproject`);
        }
        else {
            console.log(`Example: ${scriptName} custom-command`);
        }
        process.exit(1);
    }
    runWithErrorAndStatusCode(logger, () => {
        const version = _getRushVersion(logger);
        logger.info(`The ${RUSH_JSON_FILENAME} configuration requests Rush version ${version}`);
        const lockFilePath = process.env[INSTALL_RUN_RUSH_LOCKFILE_PATH_VARIABLE];
        if (lockFilePath) {
            logger.info(`Found ${INSTALL_RUN_RUSH_LOCKFILE_PATH_VARIABLE}="${lockFilePath}", installing with lockfile.`);
        }
        return installAndRun(logger, PACKAGE_NAME, version, bin, packageBinArgs, lockFilePath);
    });
}
_run();
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