<?php
/**
 * This is a utility class that groups all our array related helper functions.
 *
 * @see         https://pixelgrade.com
 * @author      Pixelgrade
 * @version     1.0.0
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

if ( ! class_exists( 'Customify_Array' ) ) {

	class Customify_Array {
		/**
		 * Insert a value or key/value pair before a specific key in an array.  If key doesn't exist, value is prepended
		 * at the beginning of the array.
		 *
		 * @param array  $array
		 * @param string $key
		 * @param mixed  $insert
		 *
		 * @return array
		 */
		public static function insertBeforeKey( $array, $key, $insert ) {
			$keys  = array_keys( $array );
			$index = array_search( $key, $keys );
			$pos   = ( ( false === $index ) ? 0 : $index );
			if ( ! is_array( $insert ) ) {
				$insert = array( $insert );
			}

			return array_merge( array_slice( $array, 0, $pos ), $insert, array_slice( $array, $pos ) );
		}

		/**
		 * Insert a value (array included) or key/value pair after a specific key in an array.  If key doesn't exist, value is appended
		 * to the end of the array.
		 *
		 * @param array  $array
		 * @param string $key
		 * @param mixed  $insert
		 *
		 * @return array
		 */
		public static function insertAfterKey( $array, $key, $insert ) {
			$keys  = array_keys( $array );
			$index = array_search( $key, $keys );
			$pos   = ( ( false === $index ) ? count( $array ) : $index + 1 );
			if ( ! is_array( $insert ) ) {
				$insert = array( $insert );
			}

			return array_merge( array_slice( $array, 0, $pos ), $insert, array_slice( $array, $pos ) );
		}

		/**
		 * Find a subarray that has the desired key=>value. We will only go one level deep.
		 *
		 * For example, given the following array:
		 * array( array( 'two' => 'value1' ), array( 'two' => 'value2' ) )
		 * you can search for the key of the subarray containing the 'two' key with the 'value2', that is 1
		 *
		 * @param array  $array The array in which to search
		 * @param string $key   The key to search for
		 * @param mixed  $value The value to search for
		 *
		 * @return mixed|false
		 */
		public static function findSubarrayByKeyValue( $array, $key, $value ) {
			// Bail if it's not array
			if ( ! is_array( $array ) ) {
				return false;
			}

			foreach ( $array as $k => $v ) {
				if ( isset( $v[ $key ] ) && $value == $v[ $key ] ) {
					return $k;
				}
			}

			return false;
		}

		/**
		 * Search an array of objects for a certain property value and return the index where it was found.
		 *
		 * @param array  $array
		 * @param string $property
		 * @param mixed  $value
		 *
		 * @return int|string|false
		 */
		public static function objArraySearch( $array, $property, $value ) {
			foreach ( $array as $key => $array_inf ) {
				if ( property_exists( $array_inf, $property ) && $array_inf->{$property} == $value ) {
					return $key;
				}
			}

			return false;
		}

		/**
		 * Get the difference between two associative arrays, recursively.
		 *
		 * @link http://be2.php.net/manual/en/function.array-diff-assoc.php#114297
		 *
		 * @param array $array1
		 * @param array $array2
		 *
		 * @return bool|array
		 */
		public static function arrayDiffAssocRecursive( $array1, $array2 ) {
			foreach ( $array1 as $key => $value ) {
				if ( is_array( $value ) ) {
					if ( ! isset( $array2[ $key ] ) ) {
						$difference[ $key ] = $value;
					} elseif ( ! is_array( $array2[ $key ] ) ) {
						$difference[ $key ] = $value;
					} else {
						$new_diff = self::arrayDiffAssocRecursive( $value, $array2[ $key ] );
						if ( false !== $new_diff ) {
							$difference[ $key ] = $new_diff;
						}
					}
				} elseif ( ! array_key_exists( $key, $array2 ) || $array2[ $key ] != $value ) {
					$difference[ $key ] = $value;
				}
			}

			return ! isset( $difference ) ? false : $difference;
		}

		/**
		 * Searches for an array entry that partially matches the needle and returns the first found key
		 *
		 * @param string $needle
		 * @param array  $haystack
		 *
		 * @return bool|int|string The first key whose value matched the partial needle. False on failure or invalid input.
		 */
		public static function strArraySearch( $needle, $haystack ) {
			if ( empty( $haystack ) ) {
				return false;
			}

			if ( ! is_array( $haystack ) ) {
				return false;
			}

			foreach ( $haystack as $key => $value ) {
				if ( ! is_string( $value ) ) {
					return false;
				}

				if ( false !== strpos( $value, $needle ) ) {
					return $key;
				}
			}

			return false;
		}

		/**
		 * Searches in reverse order for an array entry that partially matches the needle and returns the first found key
		 *
		 * @param string $needle
		 * @param array  $haystack
		 *
		 * @return bool|int|string The first key whose value matched the partial needle. False on failure or invalid input.
		 */
		public static function strrArraySearch( $needle, $haystack ) {
			if ( empty( $haystack ) ) {
				return false;
			}

			if ( ! is_array( $haystack ) ) {
				return false;
			}

			$haystack = array_reverse( $haystack, true );

			foreach ( $haystack as $key => $value ) {
				if ( ! is_string( $value ) ) {
					return false;
				}

				if ( false !== strpos( $value, $needle ) ) {
					return $key;
				}
			}

			return false;
		}

		/**
		 * Detaches a specified item from an array and returns that item.
		 *
		 * @param array $array The array from which you want to detach an item (by reference).
		 * @param mixed $key   The key to detach and return.
		 *
		 * @return mixed|false Returns the key that was detached, or false if no key was found.
		 */
		public static function detach( array &$array, $key ) {
			if ( ! array_key_exists( $key, $array ) ) {
				return false;
			}
			$value = $array[ $key ];
			unset( $array[ $key ] );

			return $value;
		}

		/**
		 * Detaches a specified item from an array by value and returns that item.
		 *
		 * @param array $array The array from which you want to detach an item (by reference).
		 * @param mixed $value The value to find, detach, and return.
		 *
		 * @return mixed|false
		 */
		public static function detach_by_value( array &$array, $value ) {
			$key = array_search( $value, $array );
			if ( ! $key ) {
				return false;
			}

			return self::detach( $array, $key );
		}

		/**
		 * Moves an item from one position in an array to another position in the array.
		 *
		 * @param $array
		 * @param $old_index
		 * @param $new_index
		 *
		 * @return mixed
		 */
		public static function reorder( $array, $old_index, $new_index ) {
			array_splice(
				$array,
				$new_index,
				count( $array ),
				array_merge(
					array_splice( $array, $old_index, 1 ),
					array_slice( $array, $new_index, count( $array ) )
				)
			);

			return $array;
		}

		/**
		 * Marge arrays recursively and distinct
		 *
		 * Merges any number of arrays / parameters recursively, replacing
		 * entries with string keys with values from latter arrays.
		 * If the entry or the next value to be assigned is an array, then it
		 * automagically treats both arguments as an array.
		 * Numeric entries are appended, not replaced, but only if they are
		 * unique
		 *
		 * @param array $base Initial array to merge.
		 * @param array ...     Variable list of arrays to recursively merge.
		 *
		 * @return array
		 *
		 * @link   http://www.php.net/manual/en/function.array-merge-recursive.php#96201
		 * @author Mark Roduner <mark.roduner@gmail.com>
		 */
		public static function array_merge_recursive_distinct() {
			$arrays = func_get_args();
			$base   = array_shift( $arrays );
			if ( ! is_array( $base ) ) {
				$base = empty( $base ) ? array() : array( $base );
			}
			foreach ( $arrays as $append ) {
				if ( ! is_array( $append ) ) {
					$append = array( $append );
				}
				foreach ( $append as $key => $value ) {
					if ( ! array_key_exists( $key, $base ) && ! is_numeric( $key ) ) {
						$base[ $key ] = $append[ $key ];
						continue;
					}
					if ( is_array( $value ) || ( array_key_exists( $key, $base ) && is_array( $base[ $key ] ) ) ) {
						if ( ! isset( $base[ $key ] ) ) {
							$base[ $key ] = array();
						}
						$base[ $key ] = self::array_merge_recursive_distinct( $base[ $key ], $append[ $key ] );
					} else if ( is_numeric( $key ) ) {
						if ( ! in_array( $value, $base ) ) {
							$base[] = $value;
						}
					} else {
						$base[ $key ] = $value;
					}
				}
			}

			return $base;
		}

		/**
		 * Orders an associative array by several keys values, each with its own order.
		 *
		 * See array_multisort() for flags.
		 *
		 * Taken from here: http://docs.php.net/manual/en/function.array-multisort.php#100534
		 *
		 * @return array
		 */
		public static function array_orderby() {
			$args = func_get_args();
			$data = array_shift( $args );
			foreach ( $args as $n => $field ) {
				if ( is_string( $field ) ) {
					$tmp = array();
					foreach ( $data as $key => $row ) {
						$tmp[ $key ] = $row[ $field ];
					}
					$args[ $n ] = $tmp;
				}
			}
			$args[] = &$data;
			call_user_func_array( 'array_multisort', $args );

			return array_pop( $args );
		}
	}
}
