<?php

namespace Inf;

use Core\Config;

class Zodiac
{
    private const ZODIAC = [
        1 => 'Овен',
        2 => 'Телец',
        3 => 'Близнецы',
        4 => 'Рак',
        5 => 'Лев',
        6 => 'Дева',
        7 => 'Весы',
        8 => 'Скорпион',
        9 => 'Стрелец',
        10 => 'Козерог',
        11 => 'Водолей',
        12 => 'Рыбы',
    ];
    private int $day = 0;
    private int $month = 0;

    public function __construct(string $date)
    {
        [$d, $m, $y] = explode('.', $date);
        if (!checkdate($d, $m, $y)) {
            return;
        }
        $this->day = (int)$d;
        $this->month = (int)$m;
    }

    public function getImageLink(): string
    {
        if (empty($this->getName())) {
            return '#';
        }
        $id = array_flip(self::ZODIAC);
        return Config::img() . '/i/zodiac/' . $id[$this->getName()] . '.gif';
    }

    public function getName(): string
    {
        if (empty($this->day) || empty($this->month)) {
            return '';
        }
        $z = [
            1 => self::ZODIAC[10],
            self::ZODIAC[11],
            self::ZODIAC[12],
            self::ZODIAC[1],
            self::ZODIAC[2],
            self::ZODIAC[3],
            self::ZODIAC[4],
            self::ZODIAC[5],
            self::ZODIAC[6],
            self::ZODIAC[7],
            self::ZODIAC[8],
            self::ZODIAC[9],
            self::ZODIAC[10],
        ];
        $lastDay = [1 => 19, 18, 20, 20, 21, 21, 22, 22, 21, 22, 21, 20, 19];
        return $this->day > $lastDay[$this->month] ? $z[$this->month + 1] : $z[$this->month];
    }
}