<?php

if (!defined('ABSPATH')) {
    exit;
}

if (!class_exists('ReduxFramework_dimensions')) {
    class ReduxFramework_dimensions {

        /**
         * 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 = array(), $value = '', $parent) {
            $this->parent   = $parent;
            $this->field    = $field;
            $this->value    = $value;
        }  //function

        /**
         * 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
            $defaults = array(
                'width'             => true,
                'height'            => true,
                'units_extended'    => false,
                'units'             => 'px',
                'mode'              => array(
                    'width'     => false,
                    'height'    => false,
                ),
            );

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

            $defaults = array(
                'width'     => '',
                'height'    => '',
                'units'     => 'px'
            );

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

            if (isset($this->value['unit'])) {
                $this->value['units'] = $this->value['unit'];
            }
            
            
            /*
             * 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', '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', 'ex', 'pt', 'pc', 'px'))) {
                unset($this->value['units']);
            }

            /*
             * Since units field could be an array, string value or bool (to hide the unit field)
             * we need to separate our functions to avoid those nasty PHP index notices!
             */

            // if field units has a value and IS an array, then evaluate as needed.
            if (isset($this->field['units']) && !is_array($this->field['units'])) {

                //if units fields has a value but units value does not then make units value the field value
                if (isset($this->field['units']) && !isset($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?)
                } else if (!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
                } else if (!isset($this->field['units']) && isset($this->value['units'])) {
                    $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.
            }

            echo '<fieldset id="' . $this->field['id'] . '" class="redux-dimensions-container" data-id="' . $this->field['id'] . '">';

            // This used to be unit field, but was giving the PHP index error when it was an array,
            // so I changed it.
            echo '<input type="hidden" class="field-units" value="' . $this->value['units'] . '">';

            /**
              Width
             * */
            if ($this->field['width'] === true){
                if (!empty($this->value['width']) && strpos($this->value['width'], $this->value['units']) === false) {
                    $this->value['width'] = filter_var($this->value['width'], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION);
                    if ($this->field['units'] !== false) {
                        $this->value['width'] .= $this->value['units'];
                    }
                }
                echo '<div class="field-dimensions-input input-prepend">';
                echo '<span class="add-on"><i class="el-icon-resize-horizontal icon-large"></i></span>';
                echo '<input type="text" class="redux-dimensions-input redux-dimensions-width mini' . $this->field['class'] . '" placeholder="' . __('Width', 'redux-framework') . '" rel="' . $this->field['id'] . '-width" value="' . filter_var($this->value['width'], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION) . '">';
                echo '<input data-id="' . $this->field['id'] . '" type="hidden" id="' . $this->field['id'] . '-width" name="' . $this->field['name'] . '[width]' . $this->field['name_suffix'] . '" value="' . $this->value['width'] . '"></div>';
            }

            /**
              Height
             * */
            if ($this->field['height'] === true){
                if (!empty($this->value['height']) && strpos($this->value['height'], $this->value['units']) === false) {
                    $this->value['height'] = filter_var($this->value['height'], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION);
                    if ($this->field['units'] !== false) {
                        $this->value['height'] .= $this->value['units'];
                    }
                }
                echo '<div class="field-dimensions-input input-prepend">';
                echo '<span class="add-on"><i class="el-icon-resize-vertical icon-large"></i></span>';
                echo '<input type="text" class="redux-dimensions-input redux-dimensions-height mini' . $this->field['class'] . '" placeholder="' . __('Height', 'redux-framework') . '" rel="' . $this->field['id'] . '-height" value="' . filter_var($this->value['height'], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION) . '">';
                echo '<input data-id="' . $this->field['id'] . '" type="hidden" id="' . $this->field['id'] . '-height" name="' . $this->field['name'] . '[height]' . $this->field['name_suffix'] . '" value="' . $this->value['height'] . '"></div>';
            }

            /**
              Units
             * */
            // If units field is set and units field NOT false then
            // fill out the options object and show it, otherwise it's hidden
            // and the default units value will apply.
            if (isset($this->field['units']) && $this->field['units'] !== false) {
                echo '<div class="select_wrapper dimensions-units" original-title="' . __('Units', 'redux-framework') . '">';
                echo '<select data-id="' . $this->field['id'] . '" data-placeholder="' . __('Units', 'redux-framework') . '" class="redux-dimensions redux-dimensions-units select' . $this->field['class'] . '" original-title="' . __('Units', 'redux-framework') . '" name="' . $this->field['name'] . '[units]' . $this->field['name_suffix'] . '">';

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

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

                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>';
            };
            echo "</fieldset>";
        }  //function

        /**
         * 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_script(
                'redux-field-dimensions-js',
                ReduxFramework::$_url . 'inc/fields/dimensions/field_dimensions' . Redux_Functions::isMin() . '.js',
                array('jquery'),
                time(),
                true
            );

            wp_enqueue_style(
                'redux-field-dimensions-css',
                ReduxFramework::$_url . 'inc/fields/dimensions/field_dimensions.css',
                time(),
                true
            );
        }

        public function output() {

            // if field units has a value and IS an array, then evaluate as needed.
            if (isset($this->field['units']) && !is_array($this->field['units'])) {

                //if units fields has a value but units value does not then make units value the field value
                if (isset($this->field['units']) && !isset($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?)
                } else if (!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
                } else if (!isset($this->field['units']) && isset($this->value['units'])) {
                    $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.
            }

            $units = isset($this->value['units']) ? $this->value['units'] : "";

            $height = isset($this->field['mode']) && !empty($this->field['mode']) ? $this->field['mode'] : 'height';
            $width = isset($this->field['mode']) && !empty($this->field['mode']) ? $this->field['mode'] : 'width';

            $cleanValue = array(
                $height => isset($this->value['height']) ? filter_var($this->value['height'], FILTER_SANITIZE_NUMBER_INT) : '',
                $width => isset($this->value['width']) ? filter_var($this->value['width'], FILTER_SANITIZE_NUMBER_INT) : '',
            );

            $style = "";

            foreach ($cleanValue as $key => $value) {
                if ($value) {
                    $style .= $key . ':' . $value . $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 . '}';
                }
            }
        }  //function
    }  //class
}