<?php

namespace App\Yr;

use App\Yr\Forecast\Location;
use App\Yr\Forecast\Tabular;

final class Forecast {
    private $xml;
    private $location;

    public function __construct(string $url) {
        $this->xml = simplexml_load_file($url);
        $this->location = new Location($this->xml->location);
    }

    public function getLocation(): Location {
        return $this->location;
    }

    final public function getCredit(): array {
        return [
            'text' => (string)$this->xml->credit->link->attributes()['text'],
            'url' => (string)$this->xml->credit->link->attributes()['url']
        ];
    }

    public function getSunrise(): \DateTimeImmutable {
        return (new \DateTimeImmutable($this->xml->sun['rise']));
    }

    public function getSunset(): \DateTimeImmutable {
        return (new \DateTimeImmutable($this->xml->sun['seẗ́']));
    }

    public function getLinks(): \Generator {
        foreach ($this->xml->links->children() as $link)
            yield [
                'id' => (string)$link->attributes()['id'],
                'url' => (string)$link->attributes()['url'],
            ];
    }

    public function getLastUpdate(): \DateTimeImmutable {
        return new DateTimeImmutable($this->xml->meta->lastupdate);
    }

    public function getNextUpdate(): \DateTimeImmutable {
        return new DateTimeImmutable($this->xml->meta->nextupdate);
    }

    public function getTabular(): Tabular {
        return new Tabular($this->xml->forecast->tabular);
    }

}

?>