<?php

namespace KupShop\OrderDiscountBundle;

use KupShop\OrderDiscountBundle\Actions\ActionInterface;
use KupShop\OrderDiscountBundle\Triggers\AbstractTrigger;
use KupShop\OrderDiscountBundle\Triggers\TriggerInterface;

class OrderDiscountLocator
{
    private $triggers;
    private $actions;

    public function __construct(iterable $triggers, iterable $actions)
    {
        $triggersToSort = [];
        foreach ($triggers as $trigger) {
            $triggersToSort[$trigger::getType()] = [
                'position' => $trigger::getPosition(),
                'trigger' => $trigger,
            ];
        }
        $actionsToSort = [];
        foreach ($actions as $action) {
            $actionsToSort[$action::getType()] = [
                'position' => $action::getPosition(),
                'action' => $action,
            ];
        }

        $sortedTriggers = $this->sortArray($triggersToSort);
        foreach ($sortedTriggers as $sorted) {
            $trigger = $sorted['trigger'];
            $this->triggers[$trigger::getType()] = $trigger;
        }

        $sortedActions = $this->sortArray($actionsToSort);
        foreach ($sortedActions as $sorted) {
            $action = $sorted['action'];
            $this->actions[$action::getType()] = $action;
        }
    }

    private function sortArray($array)
    {
        usort($array, function ($a, $b) {
            return $a['position'] - $b['position'];
        });

        return $array;
    }

    /**
     * @return AbstractTrigger[]
     */
    public function getTriggers()
    {
        return $this->triggers;
    }

    /**
     * @return TriggerInterface
     */
    public function getTrigger($type)
    {
        return $this->triggers[$type];
    }

    public function getActions()
    {
        return $this->actions;
    }

    /**
     * @return ActionInterface
     */
    public function getAction($type)
    {
        return $this->actions[$type];
    }
}