<?php

declare(strict_types = 1);

/**
 * This file is part of the 'Yasumi' package.
 *
 * The easy PHP Library for calculating holidays.
 *
 * Copyright (c) 2015 - 2026 AzuyaLabs
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @author Sacha Telgenhof <me at sachatelgenhof dot com>
 */

namespace Yasumi\Provider;

use Yasumi\Holiday;

/**
 * Provider for all holidays in Georgia.
 *
 * @author  Zurab Sardarov <zurab.sardarov@gmail.com>
 */
class Georgia extends AbstractProvider
{
    use CommonHolidays;
    use ChristianHolidays;

    public const PROCLAMATION_OF_INDEPENDENCE_YEAR = 1918;

    public const APRIL_NINE_TRAGEDY_YEAR = 1989;

    /**
     * Code to identify this Holiday Provider. Typically, this is the ISO3166 code corresponding to the respective
     * country or sub-region.
     */
    public const ID = 'GE';

    /**
     * Initialize holidays for Georgia.
     *
     * @throws \InvalidArgumentException
     * @throws \Exception
     */
    public function initialize(): void
    {
        $this->timezone = 'Asia/Tbilisi';

        $this->addHoliday($this->newYearsDay($this->year, $this->timezone, $this->locale));
        $this->addHoliday($this->internationalWomensDay($this->year, $this->timezone, $this->locale));
        $this->addHoliday($this->easter($this->year, $this->timezone, $this->locale));

        $this->addSecondNewYearDay();
        $this->addOrthodoxChristmasDay();
        $this->addIndependenceDay();
        $this->addMothersDay();
        $this->addUnityDay();
        $this->addVictoryDay();
        $this->addStAndrewsDay();
        $this->addOrthodoxEpiphanyDay();
        $this->addMtskhetobaDay();
        $this->addStMarysDay();
        $this->addStGeorgesDay();
    }

    public function getSources(): array
    {
        return [
            'https://en.wikipedia.org/wiki/Public_holidays_in_Georgia_(country)',
            'https://ka.wikipedia.org/wiki/%E1%83%A3%E1%83%A5%E1%83%9B%E1%83%94_%E1%83%93%E1%83%A6%E1%83%94%E1%83%94%E1%83%91%E1%83%98_%E1%83%A1%E1%83%90%E1%83%A5%E1%83%90%E1%83%A0%E1%83%97%E1%83%95%E1%83%94%E1%83%9A%E1%83%9D%E1%83%A8%E1%83%98',
            'https://xmf.wikipedia.org/wiki/%E1%83%9D%E1%83%A4%E1%83%98%E1%83%AA%E1%83%98%E1%83%90%E1%83%9A%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%A3%E1%83%A5%E1%83%95%E1%83%98_%E1%83%93%E1%83%A6%E1%83%90%E1%83%9A%E1%83%94%E1%83%A4%E1%83%98_%E1%83%A1%E1%83%90%E1%83%A5%E1%83%9D%E1%83%A0%E1%83%97%E1%83%A3%E1%83%9D%E1%83%A1',
        ];
    }

    /**
     * @return \DateTime|\DateTimeImmutable
     *
     * @throws \Exception
     */
    protected function calculateEaster(int $year, string $timezone): \DateTimeInterface
    {
        return $this->calculateOrthodoxEaster($year, $timezone);
    }

    /**
     * @throws \InvalidArgumentException
     * @throws \Exception
     */
    protected function addOrthodoxChristmasDay(): void
    {
        $date = new \DateTime("{$this->year}-01-07", new \DateTimeZone($this->timezone));

        $this->addHoliday(new Holiday('orthodoxChristmasDay', [
            'en' => 'Orthodox Christmas Day',
            'ka' => 'ქრისტეს შობა',
        ], $date, $this->locale));
    }

    /**
     * @throws \InvalidArgumentException
     * @throws \Exception
     */
    protected function addIndependenceDay(): void
    {
        if ($this->year >= self::PROCLAMATION_OF_INDEPENDENCE_YEAR) {
            $date = new \DateTime("{$this->year}-05-26", new \DateTimeZone($this->timezone));

            $this->addHoliday(new Holiday('independenceDay', [
                'en' => 'Independence Day',
                'ka' => 'საქართველოს დამოუკიდებლობის დღე',
            ], $date, $this->locale));
        }
    }

    /**
     * @throws \InvalidArgumentException
     * @throws \Exception
     */
    protected function addUnityDay(): void
    {
        if ($this->year >= self::APRIL_NINE_TRAGEDY_YEAR) {
            $date = new \DateTime("{$this->year}-04-09", new \DateTimeZone($this->timezone));

            $this->addHoliday(new Holiday('unityDay', [
                'en' => 'National Unity Day',
                'ka' => 'ეროვნული ერთიანობის დღე',
            ], $date, $this->locale));
        }
    }

    /**
     * @throws \InvalidArgumentException
     * @throws \Exception
     */
    protected function addMothersDay(): void
    {
        $date = new \DateTime("{$this->year}-03-03", new \DateTimeZone($this->timezone));

        $this->addHoliday(new Holiday('mothersDay', [], $date, $this->locale));
    }

    /**
     * @throws \InvalidArgumentException
     * @throws \Exception
     */
    protected function addVictoryDay(): void
    {
        $date = new \DateTime("{$this->year}-05-09", new \DateTimeZone($this->timezone));

        $this->addHoliday(new Holiday('victoryDay', [
            'en' => 'Day of Victory over Fascism',
            'ka' => 'ფაშიზმზე გამარჯვების დღე',
        ], $date, $this->locale));
    }

    /**
     * @throws \InvalidArgumentException
     * @throws \Exception
     */
    protected function addStAndrewsDay(): void
    {
        $date = new \DateTime("{$this->year}-05-12", new \DateTimeZone($this->timezone));

        $this->addHoliday(new Holiday('stAndrewsDay', [
            'en' => 'Saint Andrew the First-Called Day',
            'ka' => 'წმინდა ანდრია პირველწოდებულის ხსენების დღე',
        ], $date, $this->locale));
    }

    /**
     * @throws \InvalidArgumentException
     * @throws \Exception
     */
    protected function addOrthodoxEpiphanyDay(): void
    {
        $date = new \DateTime("{$this->year}-01-19", new \DateTimeZone($this->timezone));

        $this->addHoliday(new Holiday('orthodoxEpiphanyDay', [
            'en' => 'Orthodox Epiphany Day',
            'ka' => 'ნათლისღება',
        ], $date, $this->locale));
    }

    /**
     * @throws \InvalidArgumentException
     * @throws \Exception
     */
    protected function addStMarysDay(): void
    {
        $date = new \DateTime("{$this->year}-08-28", new \DateTimeZone($this->timezone));

        $this->addHoliday(new Holiday('stMarysDay', [
            'en' => 'Saint Marys Day',
            'ka' => 'მარიამობა',
        ], $date, $this->locale));
    }

    /**
     * @throws \InvalidArgumentException
     * @throws \Exception
     */
    protected function addMtskhetobaDay(): void
    {
        $date = new \DateTime("{$this->year}-10-14", new \DateTimeZone($this->timezone));

        $this->addHoliday(new Holiday('mtskhetobaDay', [
            'en' => 'Day of Svetitskhoveli Cathedral',
            'ka' => 'მცხეთობა',
        ], $date, $this->locale));
    }

    /**
     * @throws \InvalidArgumentException
     * @throws \Exception
     */
    protected function addStGeorgesDay(): void
    {
        $date = new \DateTime("{$this->year}-11-23", new \DateTimeZone($this->timezone));

        $this->addHoliday(new Holiday('stGeorgesDay', [
            'en' => 'Saint Georges Day',
            'ka' => 'გიორგობა',
        ], $date, $this->locale));
    }

    /**
     * @throws \InvalidArgumentException
     * @throws \Exception
     */
    protected function addSecondNewYearDay(): void
    {
        $date = new \DateTime("{$this->year}-01-02", new \DateTimeZone($this->timezone));

        $this->addHoliday(new Holiday('secondDayOfNewYear', [
            'en' => 'Second day of the New Year',
            'ka' => 'ბედობა',
        ], $date, $this->locale));
    }
}
