/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { yargs, hideBin } from './third_party/index.js';
export const cliOptions = {
    browserUrl: {
        type: 'string',
        description: 'Connect to a running, debuggable Chrome instance (e.g. `http://127.0.0.1:9222`). For more details see: https://github.com/ChromeDevTools/chrome-devtools-mcp#connecting-to-a-running-chrome-instance.',
        alias: 'u',
        conflicts: 'wsEndpoint',
        coerce: (url) => {
            if (!url) {
                return;
            }
            try {
                new URL(url);
            }
            catch {
                throw new Error(`Provided browserUrl ${url} is not valid URL.`);
            }
            return url;
        },
    },
    wsEndpoint: {
        type: 'string',
        description: 'WebSocket endpoint to connect to a running Chrome instance (e.g., ws://127.0.0.1:9222/devtools/browser/<id>). Alternative to --browserUrl.',
        alias: 'w',
        conflicts: 'browserUrl',
        coerce: (url) => {
            if (!url) {
                return;
            }
            try {
                const parsed = new URL(url);
                if (parsed.protocol !== 'ws:' && parsed.protocol !== 'wss:') {
                    throw new Error(`Provided wsEndpoint ${url} must use ws:// or wss:// protocol.`);
                }
                return url;
            }
            catch (error) {
                if (error.message.includes('ws://')) {
                    throw error;
                }
                throw new Error(`Provided wsEndpoint ${url} is not valid URL.`);
            }
        },
    },
    wsHeaders: {
        type: 'string',
        description: 'Custom headers for WebSocket connection in JSON format (e.g., \'{"Authorization":"Bearer token"}\'). Only works with --wsEndpoint.',
        implies: 'wsEndpoint',
        coerce: (val) => {
            if (!val) {
                return;
            }
            try {
                const parsed = JSON.parse(val);
                if (typeof parsed !== 'object' || Array.isArray(parsed)) {
                    throw new Error('Headers must be a JSON object');
                }
                return parsed;
            }
            catch (error) {
                throw new Error(`Invalid JSON for wsHeaders: ${error.message}`);
            }
        },
    },
    headless: {
        type: 'boolean',
        description: 'Whether to run in headless (no UI) mode.',
        default: false,
    },
    executablePath: {
        type: 'string',
        description: 'Path to custom Chrome executable.',
        conflicts: ['browserUrl', 'wsEndpoint'],
        alias: 'e',
    },
    isolated: {
        type: 'boolean',
        description: 'If specified, creates a temporary user-data-dir that is automatically cleaned up after the browser is closed. Defaults to false.',
    },
    userDataDir: {
        type: 'string',
        description: 'Path to the user data directory for Chrome. Default is $HOME/.cache/chrome-devtools-mcp/chrome-profile$CHANNEL_SUFFIX_IF_NON_STABLE',
        conflicts: ['browserUrl', 'wsEndpoint', 'isolated'],
    },
    channel: {
        type: 'string',
        description: 'Specify a different Chrome channel that should be used. The default is the stable channel version.',
        choices: ['stable', 'canary', 'beta', 'dev'],
        conflicts: ['browserUrl', 'wsEndpoint', 'executablePath'],
    },
    logFile: {
        type: 'string',
        describe: 'Path to a file to write debug logs to. Set the env variable `DEBUG` to `*` to enable verbose logs. Useful for submitting bug reports.',
    },
    viewport: {
        type: 'string',
        describe: 'Initial viewport size for the Chrome instances started by the server. For example, `1280x720`. In headless mode, max size is 3840x2160px.',
        coerce: (arg) => {
            if (arg === undefined) {
                return;
            }
            const [width, height] = arg.split('x').map(Number);
            if (!width || !height || Number.isNaN(width) || Number.isNaN(height)) {
                throw new Error('Invalid viewport. Expected format is `1280x720`.');
            }
            return {
                width,
                height,
            };
        },
    },
    proxyServer: {
        type: 'string',
        description: `Proxy server configuration for Chrome passed as --proxy-server when launching the browser. See https://www.chromium.org/developers/design-documents/network-settings/ for details.`,
    },
    acceptInsecureCerts: {
        type: 'boolean',
        description: `If enabled, ignores errors relative to self-signed and expired certificates. Use with caution.`,
    },
    experimentalDevtools: {
        type: 'boolean',
        describe: 'Whether to enable automation over DevTools targets',
        hidden: true,
    },
    experimentalIncludeAllPages: {
        type: 'boolean',
        describe: 'Whether to include all kinds of pages such as webviews or background pages as pages.',
        hidden: true,
    },
    chromeArg: {
        type: 'array',
        describe: 'Additional arguments for Chrome. Only applies when Chrome is launched by chrome-devtools-mcp.',
    },
    categoryEmulation: {
        type: 'boolean',
        default: true,
        describe: 'Set to false to exclude tools related to emulation.',
    },
    categoryPerformance: {
        type: 'boolean',
        default: true,
        describe: 'Set to false to exclude tools related to performance.',
    },
    categoryNetwork: {
        type: 'boolean',
        default: true,
        describe: 'Set to false to exclude tools related to network.',
    },
    responseLimitArraySize: {
        type: 'number',
        description: `Limit the size of arrays in JSON response bodies for XHR/fetch requests. When set, arrays in response bodies will be truncated to this size.`,
    },
    responseLimitArrayUrl: {
        type: 'array',
        description: `URL patterns to filter which requests should have array size limits applied. When set, only requests whose URLs contain any of these substrings will have their response arrays truncated. If not set and responseLimitArraySize is configured, all requests will be limited.`,
    },
    pageInitJsFile: {
        type: 'string',
        description: `Path to a JavaScript file to execute after page navigation. The script will be executed automatically after navigating to a URL when calling new_page, select_page, or navigate_page tools.`,
        hidden: true,
    },
    clickWait: {
        type: 'number',
        description: `Wait time in milliseconds after click to wait for network requests to complete. When set, the click tool will wait for triggered network requests to finish before returning the latest snapshot. Default value: 3000`,
    },
};
export function parseArguments(version, argv = process.argv) {
    const yargsInstance = yargs(hideBin(argv))
        .scriptName('npx @codebyai/chrome-devtools-mcp@latest')
        .options(cliOptions)
        .check(args => {
        // We can't set default in the options else
        // Yargs will complain
        if (!args.channel &&
            !args.browserUrl &&
            !args.wsEndpoint &&
            !args.executablePath) {
            args.channel = 'stable';
        }
        return true;
    })
        .example([
        [
            '$0 --browserUrl http://127.0.0.1:9222',
            'Connect to an existing browser instance via HTTP',
        ],
        [
            '$0 --wsEndpoint ws://127.0.0.1:9222/devtools/browser/abc123',
            'Connect to an existing browser instance via WebSocket',
        ],
        [
            `$0 --wsEndpoint ws://127.0.0.1:9222/devtools/browser/abc123 --wsHeaders '{"Authorization":"Bearer token"}'`,
            'Connect via WebSocket with custom headers',
        ],
        ['$0 --channel beta', 'Use Chrome Beta installed on this system'],
        ['$0 --channel canary', 'Use Chrome Canary installed on this system'],
        ['$0 --channel dev', 'Use Chrome Dev installed on this system'],
        ['$0 --channel stable', 'Use stable Chrome installed on this system'],
        ['$0 --logFile /tmp/log.txt', 'Save logs to a file'],
        ['$0 --help', 'Print CLI options'],
        [
            '$0 --viewport 1280x720',
            'Launch Chrome with the initial viewport size of 1280x720px',
        ],
        [
            `$0 --chrome-arg='--no-sandbox' --chrome-arg='--disable-setuid-sandbox'`,
            'Launch Chrome without sandboxes. Use with caution.',
        ],
        ['$0 --no-category-emulation', 'Disable tools in the emulation category'],
        [
            '$0 --no-category-performance',
            'Disable tools in the performance category',
        ],
        ['$0 --no-category-network', 'Disable tools in the network category'],
        [
            '$0 --user-data-dir=/tmp/user-data-dir',
            'Use a custom user data directory',
        ],
    ]);
    return yargsInstance
        .wrap(Math.min(120, yargsInstance.terminalWidth()))
        .help()
        .version(version)
        .parseSync();
}
