<?php

/**
 * Redux Framework is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * any later version.
 *
 * Redux Framework is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Redux Framework. If not, see <http://www.gnu.org/licenses/>.
 *
 * @package     ReduxFramework
 * @subpackage  Field_Media
 * @author      Daniel J Griffiths (Ghost1227)
 * @author      Dovy Paukstys
 * @version     3.0.0
 */

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

// Don't duplicate me!
if (!class_exists('ReduxFramework_media')) {

    /**
     * Main ReduxFramework_media class
     *
     * @since       1.0.0
     */
    class ReduxFramework_media {

        /**
         * Field Constructor.
         *
         * Required - must call the parent constructor, then assign field and value to vars, and obviously call the render field function
         *
         * @since       1.0.0
         * @access      public
         * @return      void
         */
        function __construct($field = array(), $value = '', $parent) {
            $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       1.0.0
         * @access      public
         * @return      void
         */
        public function render() {

            // No errors please
            $defaults = array(
                'id'        => '',
                'url'       => '',
                'width'     => '',
                'height'    => '',
                'thumbnail' => '',
            );

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

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

            if (empty($this->value) && !empty($this->field['default'])) { // If there are standard values and value is empty
                if (is_array($this->field['default'])) {
                    if (!empty($this->field['default']['id'])) {
                        $this->value['id'] = $this->field['default']['id'];
                    }

                    if (!empty($this->field['default']['url'])) {
                        $this->value['url'] = $this->field['default']['url'];
                    }
                } else {
                    if (is_numeric($this->field['default'])) { // Check if it's an attachment ID
                        $this->value['id'] = $this->field['default'];
                    } else { // Must be a URL
                        $this->value['url'] = $this->field['default'];
                    }
                }
            }


            if (empty($this->value['url']) && !empty($this->value['id'])) {
                $img = wp_get_attachment_image_src($this->value['id'], 'full');
                $this->value['url']     = $img[0];
                $this->value['width']   = $img[1];
                $this->value['height']  = $img[2];
            }

            $hide = 'hide ';

            if ((isset($this->field['preview']) && $this->field['preview'] === false)) {
                $this->field['class'] .= " noPreview";
            }

            if ((!empty($this->field['url']) && $this->field['url'] === true ) || isset($this->field['preview']) && $this->field['preview'] === false) {
                $hide = '';
            }

            $placeholder = isset($this->field['placeholder']) ? $this->field['placeholder'] : __('No media selected', 'redux-framework');

            $readOnly = ' readonly="readonly"';
            if (isset($this->field['readonly']) && $this->field['readonly'] === false) {
                $readOnly = '';
            }

            echo '<input placeholder="' . $placeholder . '" type="text" class="' . $hide . 'upload regular-text ' . $this->field['class'] . '" name="' . $this->field['name'] . '[url]' . $this->field['name_suffix'] . '" id="' . $this->parent->args['opt_name'] . '[' . $this->field['id'] . '][url]" value="' . $this->value['url'] . '"' . $readOnly . '/>';
            echo '<input type="hidden" class="upload-id ' . $this->field['class'] . '" name="' . $this->field['name'] . '[id]' . $this->field['name_suffix'] . '" id="' . $this->parent->args['opt_name'] . '[' . $this->field['id'] . '][id]" value="' . $this->value['id'] . '" />';
            echo '<input type="hidden" class="upload-height" name="' . $this->field['name'] . '[height]' . $this->field['name_suffix'] . '" id="' . $this->parent->args['opt_name'] . '[' . $this->field['id'] . '][height]" value="' . $this->value['height'] . '" />';
            echo '<input type="hidden" class="upload-width" name="' . $this->field['name'] . '[width]' . $this->field['name_suffix'] . '" id="' . $this->parent->args['opt_name'] . '[' . $this->field['id'] . '][width]" value="' . $this->value['width'] . '" />';
            echo '<input type="hidden" class="upload-thumbnail" name="' . $this->field['name'] . '[thumbnail]' . $this->field['name_suffix'] . '" id="' . $this->parent->args['opt_name'] . '[' . $this->field['id'] . '][thumbnail]" value="' . $this->value['thumbnail'] . '" />';

            //Preview
            $hide = '';

            if ((isset($this->field['preview']) && $this->field['preview'] === false) || empty($this->value['url'])) {
                $hide = 'hide ';
            }

            if (empty($this->value['thumbnail']) && !empty($this->value['url'])) { // Just in case
                if (!empty($this->value['id'])) {
                    $image = wp_get_attachment_image_src($this->value['id'], array(150, 150));
                    $this->value['thumbnail'] = $image[0];
                } else {
                    $this->value['thumbnail'] = $this->value['url'];
                }
            }

            echo '<div class="' . $hide . 'screenshot">';
            echo '<a class="of-uploaded-image" href="' . $this->value['url'] . '" target="_blank">';
            echo '<img class="redux-option-image" id="image_' . $this->field['id'] . '" src="' . $this->value['thumbnail'] . '" alt="" target="_blank" rel="external" />';
            echo '</a>';
            echo '</div>';

            //Upload controls DIV
            echo '<div class="upload_button_div">';

            //If the user has WP3.5+ show upload/remove button
            echo '<span class="button media_upload_button" id="' . $this->field['id'] . '-media">' . __('Upload', 'redux-framework') . '</span>';

            $hide = '';
            if (empty($this->value['url']) || $this->value['url'] == '')
                $hide = ' hide';

            echo '<span class="button remove-image' . $hide . '" id="reset_' . $this->field['id'] . '" rel="' . $this->field['id'] . '">' . __('Remove', 'redux-framework') . '</span>';

            echo '</div>';
        }

        /**
         *
         * Functions to pass data from the PHP to the JS at render time.
         *
         * @return array Params to be saved as a javascript object accessable to the UI.
         *
         * @since  Redux_Framework 3.1.1
         *
         */
        function localize($field, $value = "") {
            $params = array();

            if (!isset($field['mode'])) {
                $field['mode'] = "image";
            }

            $params['mode'] = $field['mode'];

            if (empty($value) && isset($this->value)) {
                $value = $this->value;
            }

            $params['val'] = $value;

            return $params;
        }

        /**
         * Enqueue Function.
         *
         * If this field requires any scripts, or css define this function and register/enqueue the scripts/css
         *
         * @since       1.0.0
         * @access      public
         * @return      void
         */
        public function enqueue() {

            wp_enqueue_script(
                'redux-field-media-js',
                ReduxFramework::$_url . 'inc/fields/media/field_media' . Redux_Functions::isMin() . '.js',
                array('jquery', 'wp-color-picker'),
                time(),
                true
            );

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