<?php

namespace Firefly\Trigger\Limits;

use Illuminate\Events\Dispatcher;

/**
 * Class EloquentLimitTrigger
 *
 * @package Firefly\Trigger\Limits
 */
class EloquentLimitTrigger
{

    /**
     * @param Dispatcher $events
     */
    public function subscribe(Dispatcher $events)
    {
        //$events->listen('budgets.change', 'Firefly\Trigger\Limits\EloquentLimitTrigger@updateLimitRepetitions');
        $events->listen('limits.destroy', 'Firefly\Trigger\Limits\EloquentLimitTrigger@destroy');
        $events->listen('limits.store', 'Firefly\Trigger\Limits\EloquentLimitTrigger@store');
        $events->listen('limits.update', 'Firefly\Trigger\Limits\EloquentLimitTrigger@update');

    }

    public function destroy(\Limit $limit)
    {
        return true;

    }

    public function store(\Limit $limit)
    {
        // create a repetition (repetitions) for this limit (we ignore "repeats"):
        $limit->createRepetition($limit->startdate);

        // we may want to build a routine that does this for repeating limits.
        // TODO.
        return true;
    }

    public function update(\Limit $limit)
    {
        // remove and recreate limit repetitions.
        // if limit is not repeating, simply update the repetition to match the limit,
        // even though deleting everything is easier.
        foreach($limit->limitrepetitions()->get() as $l) {
            $l->delete();
        }
        $limit->createRepetition($limit->startdate);
        return true;
    }

//    /**
//     *
//     */
//    public function updateLimitRepetitions()
//    {
//        if (!\Auth::check() || is_null(\Auth::user())) {
//            \Log::debug('No user for updateLimitRepetitions.');
//            return;
//        }
//
//        // get budgets with limits:
//        $budgets = \Auth::user()->budgets()
//            ->with(
//                ['limits', 'limits.limitrepetitions']
//            )
//            ->where('components.class', 'Budget')
//            ->get(['components.*']);
//
//        // double check the non-repeating budgetlimits first.
//        foreach ($budgets as $budget) {
//            \Log::debug('Budgetstart: ' . $budget->name);
//            foreach ($budget->limits as $limit) {
//                if ($limit->repeats == 0) {
//                    $limit->createRepetition($limit->startdate);
//                }
//                if ($limit->repeats == 1) {
//                    $start = $limit->startdate;
//                    $end = new Carbon;
//
//                    // repeat for period:
//                    $current = clone $start;
//                    \Log::debug('Create repeating limit for #' . $limit->id . ' starting on ' . $current);
//                    while ($current <= $end) {
//                        \Log::debug('Current is now: ' . $current);
//                        $limit->createRepetition(clone $current);
//                        // switch period, add time:
//                        switch ($limit->repeat_freq) {
//                            case 'daily':
//                                $current->addDay();
//                                break;
//                            case 'weekly':
//                                $current->addWeek();
//                                break;
//                            case 'monthly':
//                                $current->addMonth();
//                                break;
//                            case 'quarterly':
//                                $current->addMonths(3);
//                                break;
//                            case 'half-year':
//                                $current->addMonths(6);
//                                break;
//                            case 'yearly':
//                                $current->addYear();
//                                break;
//                        }
//
//                    }
//                }
//            }
//
//        }
//    }
}