// Function written by gpt-oss:20b
export function split_discord_message(text) {
	const MAX = 1900;        // maximum payload size
	const MIN = 100;         // avoid tiny chunks
	const chunks = [];
	let start = 0;

	while (start < text.length) {
		let end = Math.min(start + MAX, text.length);

		// Try to break on a newline first, then on a space
		if (end < text.length) {
			const nl = text.lastIndexOf('\n', end);
			const sp = text.lastIndexOf(' ', end);
			const splitPos = Math.max(nl, sp);
			if (splitPos > start) end = splitPos + 1; // keep the delimiter
		}

		// If the chunk is too short, pull in the next delimiter
		if (end - start < MIN && end < text.length) {
			const nextNL = text.indexOf('\n', end);
			const nextSP = text.indexOf(' ', end);
			const nextPos = Math.min(
				nextNL === -1 ? Infinity : nextNL,
				nextSP === -1 ? Infinity : nextSP
			);
			if (nextPos !== Infinity && nextPos < text.length) {
				end = nextPos + 1;
			}
		}

		chunks.push(text.slice(start, end));
		start = end;
	}

	return chunks;
}