<?php

namespace App\Repositories\Core;

use App;
use Illuminate\Support\Carbon;
use Illuminate\Support\Str;

class DateTime
{
    public static function getMonthName($date, $short = true)
    {
        return $short ? self::getUltraShortMonthName($date) : $date->monthName;
    }

    public static function getShortMonthName($date)
    {
        return $date->shortMonthName;
    }

    public static function getUltraShortMonthName($date)
    {
        return strtoupper(Str::ascii(mb_substr($date->shortMonthName, 0, 3)));
    }

    public static function getDayName($date, $short = true)
    {
        return $short ? $date->shortDayName : $date->dayName;
    }

    public static function getDateTime()
    {
        return self::datetimeToLocale(date('Y-m-d H:i:s'));
    }

    public static function getDate()
    {
        return self::dateToLocale(date('Y-m-d'));
    }

    public static function getLang()
    {
        return App::currentLocale();
        // return session('locale') ? session('locale') : 'fr';
    }

    public static function datetoLocale($date = null)
    {
        $format = self::getLocaleFormatDate();
        if ($date) {
            $date = Carbon::parse($date)->format($format);
        } else {
            $date = today()->format($format);
        }

        return $date;
    }

    public static function datetimeToLocale($date = null)
    {
        $format = self::getLocaleFormatDatetime();
        if ($date) {
            $date = Carbon::parse($date)->format($format);
        } elseif ($date === 'now') {
            $date = now()->format($format);
        }

        return $date;
    }

    public static function countDaysFrom($date)
    {
        $begin = DateTime::getCarbonTime($date);

        return $begin->diffInDays(now()) + 1;
    }

    public static function getCarbonTime($date)
    {
        $format = self::getLocaleFormatDatetime();
        if (strlen($date) === 16) {
            $date .= ':00';
        }

        return $date ? Carbon::createFromFormat($format, $date) : null;
    }

    public static function getCarbonDate($date)
    {
        $format = self::getLocaleFormatDate();

        return $date ? Carbon::createFromFormat($format, $date) : null;
    }

    public static function convert($date)
    {
        return $date ? self::getCarbonDate($date)->isoFormat('Y-MM-DD') : null;
    }

    public static function convertTime($date)
    {
        return $date ? self::getCarbonTime($date)->isoFormat('Y-MM-DD HH:mm:ss') : null;
    }

    public static function toLocale($date)
    {
        $format = self::getLocaleFormatDate();

        return $date ? Carbon::parse($date)->Format($format) : null;
    }

    public static function toISO($date)
    {
        return $date ? Carbon::parse($date)->isoFormat('Y-MM-DD') : null;
    }

    public static function toFr($date)
    {
        return $date ? Carbon::parse($date)->isoFormat('DD/MM/Y') : null;
    }

    public static function toFrTime($date)
    {
        return $date ? Carbon::parse($date)->isoFormat('DD/MM/Y HH:mm:ss') : null;
    }

    public static function getYearFromDate($date)
    {
        $date = self::convert($date);
        $date = date_create($date);

        return date_format($date, 'Y');
    }

    public static function getLocaleFormatDate()
    {
        $locale = self::getLang();
        switch ($locale) {
            case 'fr':
            case 'en':
                $format = 'd/m/Y';
                break;
            default:
                $format = 'Y-m-d';
        }

        return $format;
    }

    public static function checkDateFormat($date)
    {
        if (preg_match("/^\d{2}\/\d{2}\/\d{4}$/", $date)) {
            $day = substr($date, 0, 2);
            $month = substr($date, 3, 2);
            $year = substr($date, 6, 4);
            if (checkdate($month, $day, $year)) {
                return true;
            }
        }

        return false;
    }

    public static function getLocaleFormatDatetime()
    {
        $locale = self::getLang();
        switch ($locale) {
            case 'fr':
            case 'en':
                $format = 'd/m/Y H:i:s';
                break;
            default:
                $format = 'Y-m-d H:i:s';
        }

        return $format;
    }

    public static function getLocaleDateFull($date = false)
    {
        return self::getISOFormat('LL', $date);
    }

    public static function getLocaleDateTimeFull($date = false)
    {
        return self::getISOFormat('LLL', $date);
    }

    public static function getLocaleDateFullShort($date = false)
    {
        return self::getISOFormat('ll', $date);
    }

    public static function getLocaleDateTimeFullShort($date = false)
    {
        return self::getISOFormat('lll', $date);
    }

    public static function getLocaleTime($date = false)
    {
        return self::getISOFormat('LT', $date);
    }

    public static function getISOFormat($format, $date = false)
    {
        $date = $date ? $date : now();

        return Carbon::parse($date)->isoFormat($format);
    }

    public static function convertTimeToDate($date)
    {
        return substr($date, 0, 10);
    }
}