<?php
/**
 * webtrees: online genealogy
 * Copyright (C) 2018 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
namespace Fisharebest\Webtrees\Date;

use Fisharebest\ExtCalendar\FrenchCalendar;
use Fisharebest\Webtrees\I18N;

/**
 * Definitions for the French Republican calendar
 */
class FrenchDate extends CalendarDate
{
    /** @var int[] Convert GEDCOM month names to month numbers */
    public static $MONTH_ABBREV = [
        ''     => 0,
        'VEND' => 1,
        'BRUM' => 2,
        'FRIM' => 3,
        'NIVO' => 4,
        'PLUV' => 5,
        'VENT' => 6,
        'GERM' => 7,
        'FLOR' => 8,
        'PRAI' => 9,
        'MESS' => 10,
        'THER' => 11,
        'FRUC' => 12,
        'COMP' => 13,
    ];

    /**
     * Create a date from either:
     * a Julian day number
     * day/month/year strings from a GEDCOM date
     * another CalendarDate object
     *
     * @param array|int|CalendarDate $date
     */
    public function __construct($date)
    {
        $this->calendar = new FrenchCalendar;
        parent::__construct($date);
    }

    /**
     * Full month name in nominative case.
     *
     * @param int  $month_number
     * @param bool $leap_year Some calendars use leap months
     *
     * @return string
     */
    public static function monthNameNominativeCase($month_number, $leap_year)
    {
        static $translated_month_names;

        if ($translated_month_names === null) {
            $translated_month_names = [
                0  => '',
                1  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('NOMINATIVE', 'Vendemiaire'),
                2  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('NOMINATIVE', 'Brumaire'),
                3  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('NOMINATIVE', 'Frimaire'),
                4  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('NOMINATIVE', 'Nivose'),
                5  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('NOMINATIVE', 'Pluviose'),
                6  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('NOMINATIVE', 'Ventose'),
                7  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('NOMINATIVE', 'Germinal'),
                8  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('NOMINATIVE', 'Floreal'),
                9  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('NOMINATIVE', 'Prairial'),
                10 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('NOMINATIVE', 'Messidor'),
                11 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('NOMINATIVE', 'Thermidor'),
                12 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('NOMINATIVE', 'Fructidor'),
                13 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('NOMINATIVE', 'jours complementaires'),
            ];
        }

        return $translated_month_names[$month_number];
    }

    /**
     * Full month name in genitive case.
     *
     * @param int  $month_number
     * @param bool $leap_year Some calendars use leap months
     *
     * @return string
     */
    protected function monthNameGenitiveCase($month_number, $leap_year)
    {
        static $translated_month_names;

        if ($translated_month_names === null) {
            $translated_month_names = [
                0  => '',
                1  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('GENITIVE', 'Vendemiaire'),
                2  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('GENITIVE', 'Brumaire'),
                3  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('GENITIVE', 'Frimaire'),
                4  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('GENITIVE', 'Nivose'),
                5  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('GENITIVE', 'Pluviose'),
                6  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('GENITIVE', 'Ventose'),
                7  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('GENITIVE', 'Germinal'),
                8  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('GENITIVE', 'Floreal'),
                9  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('GENITIVE', 'Prairial'),
                10 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('GENITIVE', 'Messidor'),
                11 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('GENITIVE', 'Thermidor'),
                12 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('GENITIVE', 'Fructidor'),
                13 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('GENITIVE', 'jours complementaires'),
            ];
        }

        return $translated_month_names[$month_number];
    }

    /**
     * Full month name in locative case.
     *
     * @param int  $month_number
     * @param bool $leap_year Some calendars use leap months
     *
     * @return string
     */
    protected function monthNameLocativeCase($month_number, $leap_year)
    {
        static $translated_month_names;

        if ($translated_month_names === null) {
            $translated_month_names = [
                0  => '',
                1  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('LOCATIVE', 'Vendemiaire'),
                2  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('LOCATIVE', 'Brumaire'),
                3  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('LOCATIVE', 'Frimaire'),
                4  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('LOCATIVE', 'Nivose'),
                5  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('LOCATIVE', 'Pluviose'),
                6  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('LOCATIVE', 'Ventose'),
                7  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('LOCATIVE', 'Germinal'),
                8  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('LOCATIVE', 'Floreal'),
                9  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('LOCATIVE', 'Prairial'),
                10 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('LOCATIVE', 'Messidor'),
                11 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('LOCATIVE', 'Thermidor'),
                12 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('LOCATIVE', 'Fructidor'),
                13 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('LOCATIVE', 'jours complementaires'),
            ];
        }

        return $translated_month_names[$month_number];
    }

    /**
     * Full month name in instrumental case.
     *
     * @param int  $month_number
     * @param bool $leap_year Some calendars use leap months
     *
     * @return string
     */
    protected function monthNameInstrumentalCase($month_number, $leap_year)
    {
        static $translated_month_names;

        if ($translated_month_names === null) {
            $translated_month_names = [
                0  => '',
                1  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('INSTRUMENTAL', 'Vendemiaire'),
                2  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('INSTRUMENTAL', 'Brumaire'),
                3  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('INSTRUMENTAL', 'Frimaire'),
                4  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('INSTRUMENTAL', 'Nivose'),
                5  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('INSTRUMENTAL', 'Pluviose'),
                6  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('INSTRUMENTAL', 'Ventose'),
                7  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('INSTRUMENTAL', 'Germinal'),
                8  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('INSTRUMENTAL', 'Floreal'),
                9  => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('INSTRUMENTAL', 'Prairial'),
                10 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('INSTRUMENTAL', 'Messidor'),
                11 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('INSTRUMENTAL', 'Thermidor'),
                12 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('INSTRUMENTAL', 'Fructidor'),
                13 => /* I18N: a month in the French republican calendar */
                    I18N::translateContext('INSTRUMENTAL', 'jours complementaires'),
            ];
        }

        return $translated_month_names[$month_number];
    }

    /**
     * Abbreviated month name
     *
     * @param int  $month_number
     * @param bool $leap_year Some calendars use leap months
     *
     * @return string
     */
    protected function monthNameAbbreviated($month_number, $leap_year)
    {
        return self::monthNameNominativeCase($month_number, $leap_year);
    }

    /**
     * Full day of th eweek
     *
     * @param int $day_number
     *
     * @return string
     */
    public function dayNames($day_number)
    {
        static $translated_day_names;

        if ($translated_day_names === null) {
            $translated_day_names = [
                0 => /* I18N: The first day in the French republican calendar */
                    I18N::translate('Primidi'),
                1 => /* I18N: The second day in the French republican calendar */
                    I18N::translate('Duodi'),
                2 => /* I18N: The third day in the French republican calendar */
                    I18N::translate('Tridi'),
                3 => /* I18N: The fourth day in the French republican calendar */
                    I18N::translate('Quartidi'),
                4 => /* I18N: The fifth day in the French republican calendar */
                    I18N::translate('Quintidi'),
                5 => /* I18N: The sixth day in the French republican calendar */
                    I18N::translate('Sextidi'),
                6 => /* I18N: The seventh day in the French republican calendar */
                    I18N::translate('Septidi'),
                7 => /* I18N: The eighth day in the French republican calendar */
                    I18N::translate('Octidi'),
                8 => /* I18N: The ninth day in the French republican calendar */
                    I18N::translate('Nonidi'),
                9 => /* I18N: The tenth day in the French republican calendar */
                    I18N::translate('Decidi'),
            ];
        }

        return $translated_day_names[$day_number];
    }

    /**
     * Abbreviated day of the week
     *
     * @param int $day_number
     *
     * @return string
     */
    protected function dayNamesAbbreviated($day_number)
    {
        return $this->dayNames($day_number);
    }

    /**
     * Generate the %Y format for a date.
     *
     * @return string
     */
    protected function formatLongYear()
    {
        return $this->numberToRomanNumerals($this->y);
    }
}