<?php

namespace FireflyIII\Shared\Toolkit;

use Carbon\Carbon;
use Illuminate\Support\Collection;

/**
 * Class Reminders
 *
 * @package FireflyIII\Shared\Toolkit
 */
class Reminders
{


    /**
     *
     */
    public function getReminders()
    {
        return [];
        //        $reminders = \Auth::user()->reminders()->where('active', true)->get();
        //        $return    = [];
        //        /** @var \Reminder $reminder */
        //        foreach ($reminders as $reminder) {
        //            $set = ['id' => $reminder->id];
        //            switch ($reminder->data->type) {
        //                case 'Test':
        //                case 'Piggybank':
        //                    $set['title'] = $reminder->title;
        //                    $set['icon']  = $reminder->data->icon;
        //                    $set['text']  = mf(floatval($reminder->data->amount));
        //                    break;
        //
        //            }
        //            $return[] = $set;
        //        }
        //
        //        return $return;
    }

    /**
     *
     */
    public function updatePiggyBankReminders()
    {
        //        $piggyBanks = \Auth::user()->piggybanks()->where('targetdate', '>=', Carbon::now()->format('Y-m-d'))->whereNotNull('reminder')->where('remind_me', 1)
        //                           ->get();
        //
        //        /** @var \FireflyIII\Shared\Toolkit\Date $dateKit */
        //        $dateKit = \App::make('FireflyIII\Shared\Toolkit\Date');
        //
        //        $today = Carbon::now();
        //
        //
        //        /** @var \Piggybank $piggyBank */
        //        foreach ($piggyBanks as $piggyBank) {
        //            /*
        //             * Loop from today until end?
        //             */
        //            $end   = $piggyBank->targetdate;
        //            $start = Carbon::now();
        //
        //            /*
        //             * Create a reminder for the current period:
        //             */
        //            /*
        //             * * type: Piggybank, Test
        //             * action_uri: where to go when the user wants to do this?
        //             * text: full text to present to user
        //             * amount: any relevant amount.
        //             * model: id of relevant model.
        //             */
        //
        //            while ($start <= $end) {
        //                $currentEnd = $dateKit->addPeriod(clone $start, $piggyBank->reminder, 0);
        //
        //                $count = \Reminder::where('startdate',$start->format('Y-m-d'))->where('enddate',$currentEnd->format('Y-m-d'))->count();
        //                if ($start >= $today && $start <= $today && $count == 0) {
        //
        //
        //                    $reminder         = new \Reminder;
        //                    $reminder->active = 1;
        //                    $reminder->user()->associate(\Auth::user());
        //                    $reminder->startdate = clone $start;
        //                    $reminder->enddate   = $currentEnd;
        //                    $reminder->title     = 'Add money to "'.e($piggyBank->name).'"';
        //                    $amount              = $piggyBank->amountPerReminder();
        //                    $data                = ['type'                                                   => 'Piggybank', 'icon' => 'fa-sort-amount-asc', 'text' =>
        //                        'If you want to save up the full amount of "' . e($piggyBank->name) . '", add ' . mf($amount) . ' to account "' . e(
        //                            $piggyBank->account->name
        //                        ) . '". Don\'t forget to connect the transfer to this piggy bank!', 'amount' => $amount, 'model' => $piggyBank->id
        //
        //                    ];
        //                    $reminder->data      = $data;
        //                    $reminder->save();
        //                }
        //                $start = $dateKit->addPeriod($start, $piggyBank->reminder, 0);
        //            }
        //
        //        }

    }

    public function updateReminders()
    {

        /*
         * Reminder capable objects are (so far) only piggy banks.
         */
        /** @var \FireflyIII\Database\Piggybank $repository */
        $repository = \App::make('FireflyIII\Database\Piggybank');

        /** @var \FireflyIII\Shared\Toolkit\Date $dateKit */
        $dateKit = \App::make('FireflyIII\Shared\Toolkit\Date');


        /** @var Collection $piggybanks */
        $piggybanks = $repository->get();
        $set        = $piggybanks->filter(
            function (\Piggybank $piggybank) {
                if (!is_null($piggybank->reminder)) {
                    return $piggybank;
                }
            }
        );

        /** @var \Piggybank $piggybank */
        foreach ($set as $piggybank) {
            /*
             * Try to find a reminder that is valid in the current [period]
             * aka between [start of period] and [end of period] as denoted
             * by the piggy's repeat_freq.
             */
            /** @var \PiggybankRepetition $repetition */
            $repetition = $piggybank->currentRelevantRep();
            $start      = $dateKit->startOfPeriod(Carbon::now(), $piggybank->reminder);
            if ($repetition->targetdate && $repetition->targetdate <= Carbon::now()) {
                // break when no longer relevant:
                continue;
            }
            $end = $dateKit->endOfPeriod(Carbon::now(), $piggybank->reminder);
            // should have a reminder for this period:
            /** @var \Collection $reminders */
            $reminders = $piggybank->reminders()->dateIs($start, $end)->get();
            if ($reminders->count() == 0) {
                // create new!
                $reminder            = new \Reminder;
                $reminder->startdate = $start;
                $reminder->enddate   = $end;
                $reminder->user()->associate($repository->getUser());
                $reminder->remindersable()->associate($piggybank);
                $reminder->save();
            }
        }
    }
}