<?php

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 = array(), $value = '', $parent) {

        //parent::__construct( $parent->sections, $parent->args );
        $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?)
            } 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'])) { // 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);

        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-icon-fullscreen icon-large"></i></span><input type="text" class="redux-spacing-all redux-spacing-input mini' . $this->field['class'] . '" placeholder="' . __('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['mode'] . 'top]' . $this->field['name_suffix'] . '" value="' . $this->value['top'] . (!empty($this->value['top']) ? $this->value['units'] : '') . '">';
        endif;

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

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

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

        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-icon-arrow-up icon-large"></i></span><input type="text" class="redux-spacing-top redux-spacing-input mini' . $this->field['class'] . '" placeholder="' . __('Top', 'redux-framework') . '" rel="' . $this->field['id'] . '-top" value="' . $this->value['top'] . '"></div>';
            endif;

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

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

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

        endif;

        /**
          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="' . __('Units', 'redux-framework') . '">';
            echo '<select data-placeholder="' . __('Units', 'redux-framework') . '" class="redux-spacing redux-spacing-units select' . $this->field['class'] . '" original-title="' . __('Units', 'redux-framework') . '" name="' . $this->field['name'] . '[units]' . $this->field['name_suffix'] . '" 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'])) {
                //$testUnits = array($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>';

        endif;
    }

    /**
     * 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-spacing-js', ReduxFramework::$_url . 'inc/fields/spacing/field_spacing.js', array('jquery'), time(), true
        );

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

//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;
                }
                if (empty($value)) {
                    $value = 0;
                }
                $style .= $key . ':' . $value . ';';
            }
        } else {
            $cleanValue = array(
                'top' => isset($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)
            );
            $style .= $mode . ':' . $cleanValue['top'] . $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 . '}';
            }
        }
    }

}

//class