<?php

namespace App\Services;

use App\Exceptions\WrongHourException;
use App\User;

class HourService
{
    const NO_NOTIFICATION       = 0;
    const MIDNIGHT_NOTIFICATION = 1;
    const MORNING_NOTIFICATION  = 2;
    const NOON_NOTIFICATION     = 3;
    const EVENING_NOTIFICATION  = 4;

    public static $notifications_classes = [
        self::NO_NOTIFICATION       => 'slash',
        self::MIDNIGHT_NOTIFICATION => 'moon',
        self::MORNING_NOTIFICATION  => 'sunrise',
        self::NOON_NOTIFICATION     => 'sun',
        self::EVENING_NOTIFICATION  => 'sunset',
    ];

    /**
     * @param User $user
     * @return array
     */
    public function getHoursBracket(User $user)
    {
        switch ((int)$user->notification_hour) {
            case self::MIDNIGHT_NOTIFICATION:
                return ['2100-2359', '0000-0600'];
                break;
            case self::MORNING_NOTIFICATION:
                return ['0601-1100'];
                break;
            case self::NOON_NOTIFICATION:
                return ['1101-1530'];
                break;
            case self::EVENING_NOTIFICATION:
                return ['1531-2059'];
                break;
            case self::NO_NOTIFICATION:
            default:
                return [];
        }
    }

    /**
     * @param null|int|string $current_hour the hour and minute we want to find the id to. Formatted like `date('Hi')`
     * @return int
     * @throws WrongHourException
     */
    public function getCurrentNotificationId($current_hour = null)
    {
        if (null === $current_hour) {
            $current_hour = date('Hi');
        }

        $current_hour = (int) $current_hour;
        if (
            ($current_hour >= 2100 && $current_hour < 2359) ||
            ($current_hour >= 0 && $current_hour < 600)
        ) {
            return self::MIDNIGHT_NOTIFICATION;
        }

        if ($current_hour >= 600 && $current_hour < 1100) {
            return self::MORNING_NOTIFICATION;
        }

        if ($current_hour >= 1100 && $current_hour < 1530) {
            return self::NOON_NOTIFICATION;
        }

        if ($current_hour >= 1530 && $current_hour < 2100) {
            return self::EVENING_NOTIFICATION;
        }

        throw new WrongHourException(sprintf('Given Time « %s » is not compatible', $current_hour));
    }
}