<?php

namespace App\Classes\FTN\Process\Netmail\Robot;

use Illuminate\Support\Facades\Notification;
use Illuminate\Support\Facades\Log;

use App\Classes\FTN\Process\Netmail\Robot;
use App\Models\{Echomail,Netmail};
use App\Notifications\Netmails\Filefix\CommandsProcessed;

/**
 * Process messages to Ping
 *
 * @package App\Classes\FTN\Process
 */
final class Filefix extends Robot
{
	private const LOGKEY = 'RPF';

	public const commands = 'App\\Classes\\FTN\\Process\\Netmail\\Robot\\Filefix\\';

	public static function handle(Echomail|Netmail $mo): bool
	{
		if ((strtolower($mo->to) !== 'filefix') || (! ($mo instanceof Netmail)))
			return FALSE;

		Log::info(sprintf('%s:- Processing FILEFIX [%s] message from (%s) [%s]',self::LOGKEY,$mo->to,$mo->from,$mo->fftn->ftn));

		return parent::handle($mo);
	}

	public static function filefix(Netmail $mo): bool
	{
		$result = collect();
		$result->push('--> BEGIN <--');

		foreach ($mo->body_lines as $command) {
			Log::debug(sprintf('%s:* Processing command [%s]',self::LOGKEY,$command));

			// Skip empty lines
			if (! $command || preg_match('/^\s+$/',$command))
				continue;

			$command = explode(' ',strtoupper(rtrim($command)));
			Log::debug(sprintf('%s:* Processing command',self::LOGKEY),['command'=>$command]);

			// If command starts with '...' or '---', its a tear/tag line, and we have reached the end
			if (str_starts_with($command[0],'...') || str_starts_with($command[0],'---')) {
				Log::info(sprintf('%s:= We got a tearline/tagline, end of processing',self::LOGKEY));

				$result->push('--> END OF PROCESSING - TEARLINE/TAGLINE <--');

				break;

			// Lines starting with a space, we'll abort
			} elseif (! $command[0]) {
				Log::info(sprintf('%s:= Got a new line with a space, end of processing',self::LOGKEY));

				$result->push('--> END OF PROCESSING - SPACE DETECTED <--');

				break;

			// If command doesnt start with %, its an area
			} elseif (! str_starts_with($command[0],'%')) {
				Log::info(sprintf('%s:= Assuming command [%s] is an AREA command',self::LOGKEY,$command[0]));

				array_unshift($command,'%AREA');
			}

			// Some commands are reserved words
			switch ($x=strtolower(substr($command[0],1))) {
				case 'list':
					$class = self::commands.'AreaList';
					break;

				default:
					// Parse the message body and pluck out the commands on each line
					$class = self::commands.ucfirst($x);
			}

			if (! class_exists($class)) {
				$result->push(sprintf('%-25s <-- **COMMAND UNKNOWN**',join(' ',$command)));
				Log::info(sprintf('%s:! Command UNKNOWN [%s] ',self::LOGKEY,join('|',$command)),['class'=>$class]);

				continue;
			}

			// Drop the command from the array, the rest are arguments
			array_shift($command);

			// Refresh our echoareas
			$mo->fftn->load('fileareas');

			$o = new $class($mo,$command);
			$result->push($o->process());
		}

		// Reply with a confirmation of what commands were processed
		Notification::route('netmail',$mo->fftn)->notify(new CommandsProcessed($mo,$result));

		return TRUE;
	}
}