<?php

namespace App\Jobs;

use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldBeUnique;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Repat\LaravelJobs\Job;

use App\Classes\FTN\Message;
use App\Models\Address;

class MailSend implements ShouldQueue
{
	use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

	private const LOGKEY = 'JCM';

	private ?bool $crash;

	/**
	 * @param bool $crash Send crash mail only
	 */
	public function __construct(bool $crash=NULL)
	{
		$this->crash = $crash;
	}

	/**
	 * Execute the job.
	 */
	public function handle(): void
	{
		// Netmail waiting by node (only netmail is routed)
		$netmails = Address::select(['addresses.id','addresses.zone_id','region_id','host_id','node_id','point_id','role','addresses.system_id',DB::raw('count(netmails.id) AS nm')])
			->join('zones',['zones.id'=>'addresses.zone_id'])
			->join('domains',['domains.id'=>'zones.domain_id'])
			->join('netmails',['netmails.tftn_id'=>'addresses.id'])
			->join('systems',['systems.id'=>'addresses.system_id'])
			->where('addresses.active',TRUE)
			->where('zones.active',TRUE)
			->where('domains.active',TRUE)
			->where(function($query) {
				return $query->whereNull('autohold')
					->orWhere('autohold',FALSE);
			})
			->where(function($query) {
				return $query->whereRaw(sprintf('(flags & %d) > 0',Message::FLAG_INTRANSIT))
					->orWhereRaw(sprintf('(flags & %d) > 0',Message::FLAG_LOCAL));
			})
			->whereRaw(sprintf('(flags & %d) = 0',Message::FLAG_SENT))
			->when(! is_null($this->crash),function($query) {
				return $query->when(
					$this->crash,
					function($query) {
						return $query->where('pollmode',$this->crash);
					},
					function($query) {
						return $query->whereNotNull('pollmode');
					}
				);
			})
			->groupBy('addresses.id')
			->havingRaw('count(*) > 0')
			->get();

		// Echomail waiting by node
		$echomails = Address::select(['addresses.id','addresses.zone_id','region_id','host_id','node_id','point_id','role','addresses.system_id',DB::raw('count(*) AS em')])
			->distinct()
			->join('zones',['zones.id'=>'addresses.zone_id'])
			->join('domains',['domains.id'=>'zones.domain_id'])
			->join('echomail_seenby',['echomail_seenby.address_id'=>'addresses.id'])
			->join('systems',['systems.id'=>'addresses.system_id'])
			->where('addresses.active',TRUE)
			->where('zones.active',TRUE)
			->where('domains.active',TRUE)
			->where(function($query) {
				return $query->whereNull('autohold')
					->orWhere('autohold',FALSE);
			})
			->whereNotNull('export_at')
			->whereNull('sent_at')
			->when(! is_null($this->crash),function($query) {
				return $query->when(
					$this->crash,
					function($query) {
						return $query->where('pollmode',$this->crash);
					},
					function($query) {
						return $query->whereNotNull('pollmode');
					}
				);
			})
			->groupBy(['addresses.id'])
			->havingRaw('count(*) > 0')
			->FTNOrder()
			->get();

		// Files waiting by node
		$files = Address::select(['addresses.id','addresses.zone_id','region_id','host_id','node_id','point_id','role','addresses.system_id',DB::raw('count(*) AS fs')])
			->distinct()
			->join('zones',['zones.id'=>'addresses.zone_id'])
			->join('domains',['domains.id'=>'zones.domain_id'])
			->join('file_seenby',['file_seenby.address_id'=>'addresses.id'])
			->join('systems',['systems.id'=>'addresses.system_id'])
			->where('addresses.active',TRUE)
			->where('zones.active',TRUE)
			->where('domains.active',TRUE)
			->where(function($query) {
				return $query->whereNull('autohold')
					->orWhere('autohold',FALSE);
			})
			->whereNotNull('export_at')
			->whereNull('sent_at')
			->when(! is_null($this->crash),function($query) {
				return $query->when(
					$this->crash,
					function($query) {
						return $query->where('pollmode',$this->crash);
					},
					function($query) {
						return $query->whereNotNull('pollmode');
					}
				);
			})
			->groupBy(['addresses.id'])
			->havingRaw('count(*) > 0')
			->FTNOrder()
			->get();

		// Merge our netmails
		foreach ($echomails as $ao) {
			if (($x=$netmails->search(function($item) use ($ao) { return $item->id === $ao->id; })) !== FALSE) {
				$netmails->get($x)->em = $ao->em;
			} else {
				$netmails->push($ao);
			}
		}

		// Merge our files
		foreach ($files as $ao) {
			if (($x=$netmails->search(function($item) use ($ao) { return $item->id === $ao->id; })) !== FALSE) {
				$netmails->get($x)->fs = $ao->fs;
			} else {
				$netmails->push($ao);
			}
		}

		// Remove direct links
		$netmails = $netmails->filter(function($item) { return $item->parent(); });

		foreach ($netmails->groupBy(function($item) { return $item->parent()->ftn; }) as $oo) {
			$ao = $oo->first();

			Log::info(sprintf('%s:- Polling [%s] - we have mail for [%d] links. (%d Netmail,%d Echomail,%d Files)',
				self::LOGKEY,
				$ao->ftn,
				$oo->count(),
				$oo->sum('nm'),
				$oo->sum('em'),
				$oo->sum('fs'),
			));

			// @todo Only send crash mail - send normal mail with a schedule or hold mail

			if (Job::where('queue',$this->queue)->get()->pluck('command.address.id')->search($ao->id) !== FALSE) {
				Log::alert(sprintf('%s:= Not scheduling poll to [%s], there is already one in the queue',self::LOGKEY,$ao->ftn));
				continue;
			}

			AddressPoll::dispatch($ao);
		}
	}
}