<?php

function arve_is_bool_option( $array ) {

	$yes_no = array( '' => 1, 'yes' => 1, 'no' => 1 );

	$check = array_diff_key( $array, $yes_no );

	if( empty( $check ) ) {
		return 'bool';
	} else {
		return $array;
	}
}

function arve_load_plugin_textdomain() {

  load_plugin_textdomain(
    ARVE_SLUG,
    false,
    dirname( dirname( plugin_basename( __FILE__ ) ) ) . '/languages/'
  );
}

function arve_get_first_array_value( $array ) {
  reset( $array );
  $key = key( $array );
  return $array[ $key ];
}

function arve_prefix_array_keys( $keyprefix, $array ) {

  foreach( $array as $key => $value ) {
      $array[ $keyprefix . $key ] = $value;
      unset( $array[ $key ] );
  }

  return $array;
}

function arve_check_filetype( $url, $ext ) {

	$check = wp_check_filetype( $url, wp_get_mime_types() );

	if ( strtolower( $check['ext'] ) === $ext ) {
		return $check['type'];
	} else {
		return false;
	}
}

/**
 * Calculates seconds based on youtube times
 *
 * @param     string $yttime   The '1h25m13s' part of youtube URLs
 *
 * @return    int   Starttime in seconds
 */
function arve_youtube_time_to_seconds( $yttime ) {

  $format = false;
  $hours  = $minutes = $seconds = 0;

  $pattern['hms'] = '/([0-9]+)h([0-9]+)m([0-9]+)s/'; // hours, minutes, seconds
  $pattern['ms']  =          '/([0-9]+)m([0-9]+)s/'; // minutes, seconds
  $pattern['h']   = '/([0-9]+)h/';
  $pattern['m']   = '/([0-9]+)m/';
  $pattern['s']   = '/([0-9]+)s/';

  foreach ( $pattern as $key => $value ) {

    preg_match( $value, $yttime, $result );

    if ( ! empty( $result ) ) {
      $format = $key;
      break;
    }
  }

  switch ( $format ) {
    case 'hms':
      $hours   = $result[1];
      $minutes = $result[2];
      $seconds = $result[3];
      break;
    case 'ms':
      $minutes = $result[1];
      $seconds = $result[2];
      break;
    case 'h':
      $hours = $result[1];
      break;
    case 'm':
      $minutes = $result[1];
      break;
    case 's':
      $seconds = $result[1];
      break;
    default:
      return false;
  }

  return ( $hours * 60 * 60 ) + ( $minutes * 60 ) + $seconds;
}

/**
 * Calculates padding percentage value for a particular aspect ratio
 *
 * @since     4.2.0
 *
 * @param     string $aspect_ratio '4:3' or percentage value with percent sign
 *
 * @return    float
 */
function arve_aspect_ratio_to_percentage( $aspect_ratio ) {

	if ( is_wp_error( $aspect_ratio ) ) {
		return 52.25;
	}

  $a = explode( ':', $aspect_ratio );

	return ( ( $a[1] / $a[0] ) * 100 );
}

/**
 * Calculates
 *
 * @since     8.2.0
 */
function arve_calculate_height( $width, $aspect_ratio ) {

	$width   = (int) $width;
  $percent = arve_aspect_ratio_to_percentage( $aspect_ratio );

  if ( $width > 100 && $percent ) {
    return ( ( $width / 100 ) * $percent );
  }

	return false;
}