<?php

namespace app\Controllers;

use app\Core\Controller;
use app\Models\Queue;
use app\Models\Agent;
use app\Models\Bilhete;
use app\Controllers\ClientController;

use Exception;

/**
 * ringall -> 'Simultaneo'
 * leastrecent -> 'Tempo Livre'
 * fewesrcalls -> 'Numero de Atendimento'
 * random -> 'Randomico'
 * rrordered -> 'Sequencial'
 */

/**
 * Description of QueueController
 *
 * @author Lucas Awade
 */
class QueueController extends Controller
{
    /** @var Queue $queue model de Queue */
    protected $queue;

    /** @var Agent $agent model de Agent */
    protected $agent;

    /** @var Bilhete $bilhete model de Bilhete */
    protected $bilhete;

    public function __construct()
    {
        $this->queue = new Queue();
        $this->agent = new Agent();
        $this->bilhete = new Bilhete();
    }

    public function strategy($queue)
    {
        $search = $this->queue->findQueueByName($queue);
        $strategy = $search->strategy;
        if (method_exists(__CLASS__, $strategy)) {
            return $this->$strategy($queue);
        }
        return false;
    }

    public function listAllQueueWhatsApp($option = null)
    {
        try {
            $response = ['QUEUE' => '', 'LIST' => ''];
            $search = $this->queue->findAllQueue();
            $strmsg = "Informe o numero do setor para o atendimento: \n";
            $count = 1;
            if (count($search) == 1) {
                $response['QUEUE'] = $search[0]->nome;
                return $response;
            }
            foreach ($search as $q) {
                if ($option == $count || $option == $q->nome) {
                    $response['QUEUE'] = $q->nome;
                    return $response;
                }
                $strmsg .= "{$count}. *{$q->nome}* \n";
                $count++;
            }
            $response['LIST'] = $strmsg;
            return $response;
        } catch (Exception $ex) {
            logger()->error($ex->getMessage());
        }
        return false;
    }
    public function listaAllFilas()
    {
        return $this->queue->findAllQueue();
    }

    public function clientQueueVerify($number, $fila)
    {

        $client = new ClientController();
        $clienteFila = $client->getClientQueueData($number, $fila);

        $clienteEmFila = $clienteFila['IN_QUEUE'];
        $posicaoFila = $clienteFila['QUEUE_POSITION'];

        if ($clienteEmFila) {
            $msg = 'Você está na posição ' . $posicaoFila . ' da fila ' . $clienteFila['CLIENT_QUEUE'] . '. Aguarde ser atendido!';
            $response['MESSAGE'] = $msg;
            return $response;
        }
        return false;
    }

    /**
     * Busca o agente com o menor tempo de atendimento.
     */
    private function leastrecent($queue)
    {
        $agents = $this->agent->findAgentByQueue($queue, CONF_AGENT_STATUS_LIVRE);
        if (!$agents) {
            return null;
        }

        $timer = ['RAMAL' => '', 'TIMER' => (9999999 * 9999999)];
        foreach ($agents as $agent) {
            $livre = strtotime('1970-01-01 ' . $agent->tempo_livre . 'UTC');
            if ($livre < $timer['TIMER']) {
                $timer['RAMAL'] = $agent->ramal;
                $timer['TIMER'] = $livre;
            }
        }
        return $timer['RAMAL'];
    }

    private function fewestcalls($queue)
    {
        $agents = $this->agent->findAgentByQueue($queue, CONF_AGENT_STATUS_LIVRE);
        if (!$agents) {
            return null;
        }

        $atendimentos = ['RAMAL' => '', 'ATENDIMENTOS' => (9999999 * 9999999)];
        foreach ($agents as $agent) {
            if ($agent->atendimentos <= $atendimentos['ATENDIMENTOS']) {
                $atendimentos['RAMAL'] = $agent->ramal;
                $atendimentos['ATENDIMENTOS'] = $agent->atendimentos;
            }
        }
        return $atendimentos['RAMAL'];
    }

    private function random($queue)
    {
        $agents = $this->agent->findAgentByQueue($queue);
        if (!$agents) {
            return null;
        }

        $rand = rand(0, (count($agents) - 1));
        return $agents[$rand]->ramal;
    }

    /** Busca o ultima matricula que foi atendida e pega a maior */
    private function rrordered($queue, $media)
    {
        $calls = $this->bilhete->findBilheteByEventosDacs($queue, 'now', ['COMPLETEAGENT', 'COMPLETECALLER', 'COMPLETAAGENT', 'COMPLETACALLER', 'ABANDON', 'ATENDIDA'], null, $media);
        $atendimento = end($calls);

        $agents = $this->agent->findAgentByQueue($queue, CONF_AGENT_STATUS_LIVRE, 'matricula', 'DESC');
        if (!$agents) {
            return null;
        }

        if (!$calls) {
            return $agents[0]->ramal;
        }

        foreach ($agents as $agent) {
            if ($atendimento->agente > $agent->matricula) {
                return $agent->ramal;
            }
        }
        return $agents[0]->ramal;
    }
}