<?php

function ParseExpandersIteratorsCompressors(&$prompt, $stage = "input",$options = []) {
	global $debug_level;
	$return_array = is_array($prompt);
	$processed    = false;
	$output = [];
	$prompt_as_array = is_array($prompt)?$prompt:explode("\n",$prompt);
	// 1. LOOP through the lines to find COMMANDS
	foreach($prompt_as_array as $line) {
		// 1.1 Expand and chunk lines into arrays
		if (preg_match("/^<l([0-9]+)/",trim($line),$matches)) {
			$output = array_chunk($output,$matches[1]);
			$output = array_map(fn($l)=>implode("\n",$l),$output);
			$return_array = true;
			$processed = true;
			continue;
		}
		// 1.2 Process each chunk
		if (preg_match("/^\|\s*(.+)$/",trim($line),$matches)) {
			$sys_command = $matches[1];
			$processed_output = [];
			foreach($output as $i => $chunk) {
				if ($debug_level >= 2) echo "-- DEBUG -- : Processing chunk $i of ".count($output)."\n";
				$processed_output[] = LlamaCli($chunk,$sys_command,$options);
			}
			$output = $processed_output;
			$processed = true;
			$return_array = true;
			continue;
		}

		// 1.3 Compress into text or json
		if (preg_match("/^>(json|l)/",trim($line),$matches)) {
			if ($matches[1] == "json") $output = json_encode($output);
			if ($matches[1] == "l") $output = implode("\n",$output);
			$return_array = false;
			$processed = true;
			continue;
		}

		$output[] = $line;
	}

	
	$prompt = ($return_array?$output:(is_array($output)?implode("\n",$output):$output));
	return $processed;

}