<?php

/**
 * FusionRedux 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.
 * FusionRedux 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 FusionRedux Framework. If not, see <http://www.gnu.org/licenses/>.
 *
 * @package     FusionReduxFramework
 * @subpackage  Field_Media
 * @author      Daniel J Griffiths (Ghost1227)
 * @author      Dovy Paukstys
 * @author      Kevin Provance (kprovance)
 * @version     3.0.0
 */

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

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

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

		public $parent;
		public $field;
		public $value;

		/**
		 * 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 = null ) {
			$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'] == false) {
				$this->field['mode'] = 0;
			}

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

			if (!isset($this->field['library_filter'])) {
				$libFilter = '';
			} else {
				if (!is_array($this->field['library_filter'])) {
					$this->field['library_filter'] = array($this->field['library_filter']);
				}

				$mimeTypes = get_allowed_mime_types();

				$libArray = $this->field['library_filter'];

				$jsonArr = array();

				// Enum mime types
				foreach ($mimeTypes as $ext => $type) {
					if (strpos($ext,'|')) {
						$expArr = explode('|', $ext);

						foreach($expArr as $ext){
							if (in_array($ext, $libArray )) {
								$jsonArr[$ext] = $type;
							}
						}
					} elseif (in_array($ext, $libArray )) {
						$jsonArr[$ext] = $type;
					}

				}

				$libFilter = urlencode(json_encode($jsonArr));
			}

			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', 'fusion-builder' );

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

			echo '<input placeholder="' . $placeholder . '" type="text" class="' . $hide . 'upload large-text ' . $this->field['class'] . '" name="' . $this->field['name'] . $this->field['name_suffix'] . '[url]" id="' . $this->parent->args['opt_name'] . '[' . $this->field['id'] . '][url]" value="' . $this->value['url'] . '"' . $readOnly . '/>';
			echo '<input type="hidden" class="data" data-mode="' . $this->field['mode'] . '" />';
			echo '<input type="hidden" class="library-filter" data-lib-filter="' . $libFilter . '" />';
			echo '<input type="hidden" class="upload-id ' . $this->field['class'] . '" name="' . $this->field['name'] . $this->field['name_suffix'] . '[id]" 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'] . $this->field['name_suffix'] . '[height]" 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'] . $this->field['name_suffix'] . '[width]" 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'] . $this->field['name_suffix'] . '[thumbnail]" 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
						) );

					if (empty($image[0]) || $image[0] == '') {
						$this->value['thumbnail'] = $this->value['url'];
					} else {
						$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="fusionredux-option-image" id="image_' . $this->field['id'] . '" src="' . $this->value['thumbnail'] . '" 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', 'fusion-builder' ) . '</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', 'fusion-builder' ) . '</span>';

			echo '</div>';
		}

		/**
		 * 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() {
			if ( function_exists( 'wp_enqueue_media' ) ) {
				wp_enqueue_media();
			} else {
				wp_enqueue_script( 'media-upload' );
			}

			wp_enqueue_script(
				'fusionredux-field-media-js',
				FusionReduxFramework::$_url . 'assets/js/media/media' . FusionRedux_Functions::isMin() . '.js',
				array( 'jquery', 'fusionredux-js' ),
				time(),
				true
			);

			if ($this->parent->args['dev_mode']) {
				wp_enqueue_style('fusionredux-field-media-css');
			}
		}
	}
}
