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<?php

namespace VSP;

defined( 'ABSPATH' ) || exit;

/**
 * Class Helper
 *
 * @package VSP
 * @author Varun Sridharan <varunsridharan23@gmail.com>
 */
final class Helper {
    use Core\Traits\WP;
    use Core\Traits\WC_Helper;
    use Core\Traits\Array_Helper;
    use Core\Traits\URL;
    use Core\Traits\String_Helper;

    /**
     * Gets the key value from globals.
     *
     * @param string $key
     *
     * @return string|boolean|bool
     */
    protected static function global_vars( $key ) {
        if ( isset( $_SERVER[ $key ] ) ) {
            return $_SERVER[ $key ];
        }
        if ( isset( $_ENV[ $key ] ) ) {
            return $_ENV[ $key ];
        }
        return false;
    }

    /**
     * Helper method to check if the multibyte extension is loaded, which
     * indicates it's safe to use the mb_*() string methods
     *
     * @return bool
     */
    public static function multibyte_loaded() {
        return extension_loaded( 'mbstring' );
    }

    /**
     * Generates A Rand MD5 String and returns it.
     *
     * @return string
     */
    public static function rand_md5() {
        return md5( time() . '-' . uniqid( rand(), true ) . '-' . mt_rand( 1, 1000 ) );
    }

    /**
     * Convert number of seconds to 'X {units}'
     *
     * E.g. 123 => '2 minutes'
     * then you can use this string how you want, for e.g. append ' ago' => '2 minutes ago'
     *
     * @param int $seconds
     *
     * @return string
     */
    public static function human_time( $seconds ) {
        $translation = array(
            'year'    => esc_html__( 'year', 'vsp-framework' ),
            'years'   => esc_html__( 'years', 'vsp-framework' ),
            'month'   => esc_html__( 'month', 'vsp-framework' ),
            'months'  => esc_html__( 'months', 'vsp-framework' ),
            'week'    => esc_html__( 'week', 'vsp-framework' ),
            'weeks'   => esc_html__( 'weeks', 'vsp-framework' ),
            'day'     => esc_html__( 'day', 'vsp-framework' ),
            'days'    => esc_html__( 'days', 'vsp-framework' ),
            'hour'    => esc_html__( 'hour', 'vsp-framework' ),
            'hours'   => esc_html__( 'hours', 'vsp-framework' ),
            'minute'  => esc_html__( 'minute', 'vsp-framework' ),
            'minutes' => esc_html__( 'minutes', 'vsp-framework' ),
            'second'  => esc_html__( 'second', 'vsp-framework' ),
            'seconds' => esc_html__( 'seconds', 'vsp-framework' ),
        );
        $tokens      = array(
            31536000 => 'year',
            2592000  => 'month',
            604800   => 'week',
            86400    => 'day',
            3600     => 'hour',
            60       => 'minute',
            1        => 'second',
        );

        foreach ( $tokens as $unit => $translation_key ) {
            if ( $seconds < $unit ) {
                continue;
            }

            $number_of_units = floor( $seconds / $unit );
            $key             = ( 1 !== $number_of_units ) ? 's' : '';
            return $number_of_units . ' ' . $translation[ $translation_key . $key ];
        }
        return false;
    }

    /**
     * Converts VSP Error To WC Notice.
     *
     * @param \VSP\Error $vsp_error
     *
     * @since 0.8.7
     */
    public static function vsp_error_to_wc_notice( $vsp_error ) {
        if ( ! empty( $vsp_error->get_error_codes() ) ) {
            foreach ( $vsp_error->get_error_codes() as $code ) {
                wc_add_notice( $vsp_error->get_error_message( $code ), 'error', $vsp_error->get_error_data( $code ) );
            }
        }
    }
}