/**
 * Copyright (c) 2026, Salesforce, Inc.,
 * All rights reserved.
 * For full license text, see the LICENSE.txt file
 */

/**
 * Split a command line into tokens, honoring single and double quotes.
 * A quote only opens a quoted span at a token boundary (when `current` is
 * empty); a quote char mid-token is kept literally. Shared by the CLI
 * `chain` command and the MCP `sf_gql_raw` parser.
 */
export function tokenizeCommand(input: string): string[] {
	const tokens: string[] = [];
	let current = "";
	let inSingle = false;
	let inDouble = false;

	for (const ch of input) {
		if (ch === "'" && !inDouble) {
			if (!inSingle && current.length > 0) {
				current += ch;
			} else {
				inSingle = !inSingle;
			}
		} else if (ch === '"' && !inSingle) {
			if (!inDouble && current.length > 0) {
				current += ch;
			} else {
				inDouble = !inDouble;
			}
		} else if (ch === " " && !inSingle && !inDouble) {
			if (current) {
				tokens.push(current);
				current = "";
			}
		} else {
			current += ch;
		}
	}
	if (current) tokens.push(current);
	return tokens;
}