<?php

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

if ( ! class_exists( 'ReduxFramework_spacing' ) ) {
	#[\AllowDynamicProperties]
	class ReduxFramework_spacing {

		/**
		 * Field Constructor.
		 * Required - must call the parent constructor, then assign field and value to vars, and obviously call the render field function
		 *
		 * @since ReduxFramework 1.0.0
		 */
		function __construct( $field, $value, $parent ) {
			if ( empty( $field ) ) {
				$field = array();
			}
			if ( empty( $value ) ) {
				$value = '';
			}
			$this->parent = $parent;
			$this->field  = $field;
			$this->value  = $value;
		}

		/**
		 * Field Render Function.
		 * Takes the vars and outputs the HTML for the field in the settings
		 *
		 * @since ReduxFramework 1.0.0
		 */
		function render() {
			/*
			 * So, in_array() wasn't doing it's job for checking a passed array for a proper value.
			 * It's wonky.  It only wants to check the keys against our array of acceptable values, and not the key's
			 * value.  So we'll use this instead.  Fortunately, a single no array value can be passed and it won't
			 * take a dump.
			 */

			// No errors please
			// Set field values
			$defaults = array(
				'units'          => '',
				'mode'           => 'padding',
				'top'            => true,
				'bottom'         => true,
				'all'            => false,
				'left'           => true,
				'right'          => true,
				'units_extended' => false,
				'display_units'  => true,
			);

			$this->field = wp_parse_args( $this->field, $defaults );

			// Set default values
			$defaults = array(
				'top'    => '',
				'right'  => '',
				'bottom' => '',
				'left'   => '',
				'units'  => 'px',
			);

			$this->value = wp_parse_args( $this->value, $defaults );

			/*
			 * Acceptable values checks.  If the passed variable doesn't pass muster, we unset them
			 * and reset them with default values to avoid errors.
			 */

			// If units field has a value but is not an acceptable value, unset the variable
			if ( isset( $this->field['units'] ) && ! Redux_Helpers::array_in_array(
				$this->field['units'],
				array(
					'',
					false,
					'%',
					'in',
					'cm',
					'mm',
					'em',
					'rem',
					'ex',
					'pt',
					'pc',
					'px',
				)
			)
			) {
				unset( $this->field['units'] );
			}

			// if there is a default unit value  but is not an accepted value, unset the variable
			if ( isset( $this->value['units'] ) && ! Redux_Helpers::array_in_array(
				$this->value['units'],
				array(
					'',
					'%',
					'in',
					'cm',
					'mm',
					'em',
					'rem',
					'ex',
					'pt',
					'pc',
					'px',
				)
			)
			) {
				unset( $this->value['units'] );
			}

			// if ($this->field['mode'] == "absolute") {
			// $this->field['units'] = "";
			// $this->value['units'] = "";
			// }
			if ( $this->field['units'] == false ) {
				$this->value == '';
			}

			if ( isset( $this->field['mode'] ) && ! in_array(
				$this->field['mode'],
				array(
					'margin',
					'padding',
				)
			)
			) {
				if ( $this->field['mode'] == 'absolute' ) {
					$absolute = true;
				}
				$this->field['mode'] = '';
			}

			$value = array(
				'top'    => isset( $this->value[ $this->field['mode'] . '-top' ] ) ? filter_var( $this->value[ $this->field['mode'] . '-top' ], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION ) : filter_var( $this->value['top'], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION ),
				'right'  => isset( $this->value[ $this->field['mode'] . '-right' ] ) ? filter_var( $this->value[ $this->field['mode'] . '-right' ], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION ) : filter_var( $this->value['right'], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION ),
				'bottom' => isset( $this->value[ $this->field['mode'] . '-bottom' ] ) ? filter_var( $this->value[ $this->field['mode'] . '-bottom' ], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION ) : filter_var( $this->value['bottom'], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION ),
				'left'   => isset( $this->value[ $this->field['mode'] . '-left' ] ) ? filter_var( $this->value[ $this->field['mode'] . '-left' ], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION ) : filter_var( $this->value['left'], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION ),
			);

			// if field units has a value and is NOT an array, then evaluate as needed.
			if ( isset( $this->field['units'] ) && ! is_array( $this->field['units'] ) ) {

				// if units fields has a value and is not empty but units value does not then make units value the field value
				if ( isset( $this->field['units'] ) && $this->field['units'] != '' && ! isset( $this->value['units'] ) || $this->field['units'] == false ) {
					$this->value['units'] = $this->field['units'];

					// If units field does NOT have a value and units value does NOT have a value, set both to blank (default?)
				} elseif ( ! isset( $this->field['units'] ) && ! isset( $this->value['units'] ) ) {
					$this->field['units'] = 'px';
					$this->value['units'] = 'px';

					// If units field has NO value but units value does, then set unit field to value field
				} elseif ( ! isset( $this->field['units'] ) && isset( $this->value['units'] ) ) { // If Value is defined
					$this->field['units'] = $this->value['units'];

					// if unit value is set and unit value doesn't equal unit field (coz who knows why)
					// then set unit value to unit field
				} elseif ( isset( $this->value['units'] ) && $this->value['units'] !== $this->field['units'] ) {
					$this->value['units'] = $this->field['units'];
				}

				// do stuff based on unit field NOT set as an array
			} elseif ( isset( $this->field['units'] ) && is_array( $this->field['units'] ) ) {
				// nothing to do here, but I'm leaving the construct just in case I have to debug this again.
			}

			if ( isset( $this->field['units'] ) ) {
				$value['units'] = $this->value['units'];
			}

			$this->value = $value;

			if ( ! empty( $this->field['mode'] ) ) {
				$this->field['mode'] = $this->field['mode'] . '-';
			}

			$defaults = array(
				'top'    => '',
				'right'  => '',
				'bottom' => '',
				'left'   => '',
				'units'  => '',
			);

			$this->value = wp_parse_args( $this->value, $defaults );

			if ( isset( $this->field['select2'] ) ) { // if there are any let's pass them to js
				$select2_params = json_encode( $this->field['select2'] );
				$select2_params = htmlspecialchars( $select2_params, ENT_QUOTES );

				echo '<input type="hidden" class="select2_params" value="' . $select2_params . '">';
			}

			echo '<input type="hidden" class="field-units" value="' . $this->value['units'] . '">';

			if ( isset( $this->field['all'] ) && $this->field['all'] == true ) {
				echo '<div class="field-spacing-input input-prepend"><span class="add-on"><i class="el el-fullscreen icon-large"></i></span><input type="text" class="redux-spacing-all redux-spacing-input mini ' . $this->field['class'] . '" placeholder="' . esc_attr__( 'All', 'redux-framework' ) . '" rel="' . $this->field['id'] . '-all" value="' . $this->value['top'] . '"></div>';
			}

			if ( $this->field['top'] === true ) {
				echo '<input type="hidden" class="redux-spacing-value" id="' . $this->field['id'] . '-top" name="' . $this->field['name'] . $this->field['name_suffix'] . '[' . $this->field['mode'] . 'top]' . '" value="' . $this->value['top'] . ( ! empty( $this->value['top'] ) ? $this->value['units'] : '' ) . '">';
			}

			if ( $this->field['right'] === true ) {
				echo '<input type="hidden" class="redux-spacing-value" id="' . $this->field['id'] . '-right" name="' . $this->field['name'] . $this->field['name_suffix'] . '[' . $this->field['mode'] . 'right]' . '" value="' . $this->value['right'] . ( ! empty( $this->value['right'] ) ? $this->value['units'] : '' ) . '">';
			}

			if ( $this->field['bottom'] === true ) {
				echo '<input type="hidden" class="redux-spacing-value" id="' . $this->field['id'] . '-bottom" name="' . $this->field['name'] . $this->field['name_suffix'] . '[' . $this->field['mode'] . 'bottom]' . '" value="' . $this->value['bottom'] . ( ! empty( $this->value['bottom'] ) ? $this->value['units'] : '' ) . '">';
			}

			if ( $this->field['left'] === true ) {
				echo '<input type="hidden" class="redux-spacing-value" id="' . $this->field['id'] . '-left" name="' . $this->field['name'] . $this->field['name_suffix'] . '[' . $this->field['mode'] . 'left]' . '" value="' . $this->value['left'] . ( ! empty( $this->value['left'] ) ? $this->value['units'] : '' ) . '">';
			}

			if ( ! isset( $this->field['all'] ) || $this->field['all'] !== true ) {
				/**
				 * Top
				 * */
				if ( $this->field['top'] === true ) {
					echo '<div class="field-spacing-input input-prepend"><span class="add-on"><i class="el el-arrow-up icon-large"></i></span><input type="text" class="redux-spacing-top redux-spacing-input mini ' . $this->field['class'] . '" placeholder="' . esc_attr__( 'Top', 'redux-framework' ) . '" rel="' . $this->field['id'] . '-top" value="' . $this->value['top'] . '"></div>';
				}

				/**
				 * Right
				 * */
				if ( $this->field['right'] === true ) {
					echo '<div class="field-spacing-input input-prepend"><span class="add-on"><i class="el el-arrow-right icon-large"></i></span><input type="text" class="redux-spacing-right redux-spacing-input mini ' . $this->field['class'] . '" placeholder="' . esc_attr__( 'Right', 'redux-framework' ) . '" rel="' . $this->field['id'] . '-right" value="' . $this->value['right'] . '"></div>';
				}

				/**
				 * Bottom
				 * */
				if ( $this->field['bottom'] === true ) {
					echo '<div class="field-spacing-input input-prepend"><span class="add-on"><i class="el el-arrow-down icon-large"></i></span><input type="text" class="redux-spacing-bottom redux-spacing-input mini ' . $this->field['class'] . '" placeholder="' . esc_attr__( 'Bottom', 'redux-framework' ) . '" rel="' . $this->field['id'] . '-bottom" value="' . $this->value['bottom'] . '"></div>';
				}

				/**
				 * Left
				 * */
				if ( $this->field['left'] === true ) {
					echo '<div class="field-spacing-input input-prepend"><span class="add-on"><i class="el el-arrow-left icon-large"></i></span><input type="text" class="redux-spacing-left redux-spacing-input mini ' . $this->field['class'] . '" placeholder="' . esc_attr__( 'Left', 'redux-framework' ) . '" rel="' . $this->field['id'] . '-left" value="' . $this->value['left'] . '"></div>';
				}
			}

			/**
			 * Units
			 * */
			if ( $this->field['units'] !== false && is_array( $this->field['units'] ) /* && !isset($absolute) */ && $this->field['display_units'] == true ) {

				echo '<div class="select_wrapper spacing-units" original-title="' . esc_attr__( 'Units', 'redux-framework' ) . '">';
				echo '<select data-placeholder="' . esc_attr__( 'Units', 'redux-framework' ) . '" class="redux-spacing redux-spacing-units select ' . $this->field['class'] . '" original-title="' . esc_attr__( 'Units', 'redux-framework' ) . '" name="' . $this->field['name'] . $this->field['name_suffix'] . '[units]' . '" id="' . $this->field['id'] . '_units">';

				if ( $this->field['units_extended'] ) {
					$testUnits = array( 'px', 'em', 'rem', '%', 'in', 'cm', 'mm', 'ex', 'pt', 'pc' );
				} else {
					$testUnits = array( 'px', 'em', 'pt', 'rem', '%' );
				}

				if ( $this->field['units'] != '' || is_array( $this->field['units'] ) ) {
					$testUnits = $this->field['units'];
				}

				echo '<option></option>';

				if ( in_array( $this->field['units'], $testUnits ) ) {
					echo '<option value="' . $this->field['units'] . '" selected="selected">' . $this->field['units'] . '</option>';
				} else {
					foreach ( $testUnits as $aUnit ) {
						echo '<option value="' . $aUnit . '" ' . selected( $this->value['units'], $aUnit, false ) . '>' . $aUnit . '</option>';
					}
				}
				echo '</select></div>';

			}
		}

		/**
		 * Enqueue Function.
		 * If this field requires any scripts, or css define this function and register/enqueue the scripts/css
		 *
		 * @since ReduxFramework 1.0.0
		 */
		function enqueue() {
			wp_enqueue_style( 'select2-css' );

			wp_enqueue_script(
				'redux-field-spacing-js',
				ReduxFramework::$_url . 'inc/fields/spacing/field_spacing' . Redux_Functions::isMin() . '.js',
				array( 'jquery', 'select2-js', 'redux-js' ),
				time(),
				true
			);

			if ( $this->parent->args['dev_mode'] ) {
				wp_enqueue_style(
					'redux-field-spacing-css',
					ReduxFramework::$_url . 'inc/fields/spacing/field_spacing.css',
					array(),
					time(),
					'all'
				);
			}
		} //function

		public function output() {

			if ( ! isset( $this->field['mode'] ) ) {
				$this->field['mode'] = 'padding';
			}

			if ( isset( $this->field['mode'] ) && ! in_array(
				$this->field['mode'],
				array(
					'padding',
					'absolute',
					'margin',
				)
			)
			) {
				$this->field['mode'] = '';
			}

			$mode  = ( $this->field['mode'] != 'absolute' ) ? $this->field['mode'] : '';
			$units = isset( $this->value['units'] ) ? $this->value['units'] : '';
			$style = '';

			if ( ! empty( $mode ) ) {
				foreach ( $this->value as $key => $value ) {
					if ( $key == 'units' ) {
						continue;
					}

					// Strip off any alpha for is_numeric test - kp
					$num_no_alpha = preg_replace( '/[^\d.-]/', '', $value );

					// Output if it's a numeric entry
					if ( isset( $value ) && is_numeric( $num_no_alpha ) ) {
						$style .= $key . ':' . $value . ';';
					}
				}
			} else {
				$this->value['top']    = isset( $this->value['top'] ) ? $this->value['top'] : 0;
				$this->value['bottom'] = isset( $this->value['bottom'] ) ? $this->value['bottom'] : 0;
				$this->value['left']   = isset( $this->value['left'] ) ? $this->value['left'] : 0;
				$this->value['right']  = isset( $this->value['right'] ) ? $this->value['right'] : 0;

				$cleanValue = array(
					'top'    => isset( $this->value[ $mode . '-top' ] ) ? filter_var( $this->value[ $mode . '-top' ], FILTER_SANITIZE_NUMBER_INT ) : filter_var( $this->value['top'], FILTER_SANITIZE_NUMBER_INT ),
					'right'  => isset( $this->value[ $mode . '-right' ] ) ? filter_var( $this->value[ $mode . '-right' ], FILTER_SANITIZE_NUMBER_INT ) : filter_var( $this->value['right'], FILTER_SANITIZE_NUMBER_INT ),
					'bottom' => isset( $this->value[ $mode . '-bottom' ] ) ? filter_var( $this->value[ $mode . '-bottom' ], FILTER_SANITIZE_NUMBER_INT ) : filter_var( $this->value['bottom'], FILTER_SANITIZE_NUMBER_INT ),
					'left'   => isset( $this->value[ $mode . '-left' ] ) ? filter_var( $this->value[ $mode . '-left' ], FILTER_SANITIZE_NUMBER_INT ) : filter_var( $this->value['left'], FILTER_SANITIZE_NUMBER_INT ),
				);

				if ( isset( $this->field['all'] ) && true == $this->field['all'] ) {
					$style .= $mode . 'top:' . $cleanValue['top'] . $units . ';';
					$style .= $mode . 'bottom:' . $cleanValue['top'] . $units . ';';
					$style .= $mode . 'right:' . $cleanValue['top'] . $units . ';';
					$style .= $mode . 'left:' . $cleanValue['top'] . $units . ';';
				} else {
					if ( true == $this->field['top'] ) {
						$style .= $mode . 'top:' . $cleanValue['top'] . $units . ';';
					}

					if ( true == $this->field['bottom'] ) {
						$style .= $mode . 'bottom:' . $cleanValue['bottom'] . $units . ';';
					}

					if ( true == $this->field['left'] ) {
						$style .= $mode . 'left:' . $cleanValue['left'] . $units . ';';
					}

					if ( true == $this->field['right'] ) {
						$style .= $mode . 'right:' . $cleanValue['right'] . $units . ';';
					}
				}
			}

			if ( ! empty( $style ) ) {

				if ( ! empty( $this->field['output'] ) && is_array( $this->field['output'] ) ) {
					$keys                     = implode( ',', $this->field['output'] );
					$this->parent->outputCSS .= $keys . '{' . $style . '}';
				}

				if ( ! empty( $this->field['compiler'] ) && is_array( $this->field['compiler'] ) ) {
					$keys                       = implode( ',', $this->field['compiler'] );
					$this->parent->compilerCSS .= $keys . '{' . $style . '}';
				}
			}
		}
	}
}
