<?php
// Include all the basic widgets
include plugin_dir_path( __FILE__ ) . '/less/functions.php';

/**
 * Include all the widget files and register their widgets
 */
function origin_widgets_init() {
	foreach ( glob( plugin_dir_path( __FILE__ ) . '/widgets/*/*.php' ) as $file ) {
		include_once $file;

		$p = pathinfo( $file );
		$class = $p['filename'];
		$class = str_replace( '-', ' ', $class );
		$class = ucwords( $class );
		$class = str_replace( ' ', '_', $class );

		$class = 'SiteOrigin_Panels_Widget_' . $class;

		if ( class_exists( $class ) ) {
			register_widget( $class );
		}
	}
}
add_action( 'widgets_init', 'origin_widgets_init' );

function origin_widgets_enqueue( $prefix ) {
	if ( $prefix == 'widgets.php' ) {
		wp_enqueue_script( 'origin-widgets-admin-script', plugin_dir_url( __FILE__ ) . 'js/admin.js', array( 'jquery' ), SITEORIGIN_PANELS_VERSION );
	}
}
add_action( 'admin_enqueue_scripts', 'origin_widgets_enqueue' );

function origin_widgets_generate_css( $class, $style, $preset, $version = null ) {
	$widget = new $class();

	if ( ! is_subclass_of( $widget, 'SiteOrigin_Panels_Widget' ) ) {
		return '';
	}

	if ( empty( $version ) ) {
		$version = SITEORIGIN_PANELS_VERSION;
	}

	$id = str_replace( '_', '', strtolower( str_replace( 'SiteOrigin_Panels_Widget_', '', $class ) ) );
	$key = strtolower( $id . '-' . $style . '-' . $preset . '-' . str_replace( '.', '', $version ) );

	$css = get_site_transient( 'origin_wcss:' . $key );

	if ( $css === false || ( defined( 'SITEORIGIN_PANELS_NOCACHE' ) && SITEORIGIN_PANELS_NOCACHE ) ) {
		// Recreate the CSS
		$css = "/* Regenerate Cache */\n\n";
		$css .= $widget->create_css( $style, $preset );
		$css = preg_replace( '#/\*.*?\*/#s', '', $css );
		$css = preg_replace( '/\s*([{}|:;,])\s+/', '$1', $css );
		$css = preg_replace( '/\s\s+(.*)/', '$1', $css );
		$css = str_replace( ';}', '}', $css );

		set_site_transient( 'origin_wcss:' . $key, $css, 86400 );
	}

	return $css;
}

function origin_widgets_footer_css() {
	global $origin_widgets_generated_css;

	if ( ! empty( $origin_widgets_generated_css ) ) {
		echo "<style>";

		foreach ( $origin_widgets_generated_css as $id => $css ) {
			if ( empty( $css ) ) {
				continue;
			}
			echo $css;
			$origin_widgets_generated_css[$id] = '';
		}
		echo '</style>';
	}
}
add_action( 'wp_head', 'origin_widgets_footer_css' );
add_action( 'wp_footer', 'origin_widgets_footer_css' );

/**
 * Class SiteOrigin_Panels_Widget
 */
abstract class SiteOrigin_Panels_Widget extends WP_Widget {
	public $form_args;
	protected $demo;
	protected $origin_id;
	public $sub_widgets;

	private $styles;

	/**
	 * Create the widget
	 *
	 * @param string $name            Name for the widget displayed on the configuration page.
	 * @param array  $widget_options  Optional Passed to wp_register_sidebar_widget()
	 *                                - description: shown on the configuration page
	 *                                - classname
	 * @param array  $control_options Optional Passed to wp_register_widget_control()
	 *                                - width: required if more than 250px
	 *                                - height: currently not used but may be needed in the future
	 * @param array  $form            Form arguments.
	 * @param array  $demo            Values for the demo of the page builder widget.
	 *
	 * @internal param string $id_base
	 */
	public function __construct( $name, $widget_options = array(), $control_options = array(), $form = array(), $demo = array() ) {
		$id_base = str_replace( 'SiteOrigin_Panels_Widget_', '', get_class( $this ) );
		$id_base = strtolower( str_replace( '_', '-', $id_base ) );

		parent::__construct( 'origin_' . $id_base, $name, $widget_options, $control_options );
		$this->origin_id = $id_base;

		$this->form_args = $form;
		$this->demo = $demo;
		$this->styles = array();
		$this->sub_widgets = array();
	}

	/**
	 * Update the widget and save the new CSS.
	 *
	 * @param array $old
	 * @param array $new
	 *
	 * @return array
	 */
	public function update( $new, $old ) {
		// We wont clear cache if this is a preview
		if ( ! is_preview() ) {
			// Remove the old CSS file
			if ( ! empty( $old['origin_style'] ) ) {
				list( $style, $preset ) = explode( ':', $old['origin_style'] );
				$this->clear_css_cache( $style, $preset );
			}

			// Clear the cache for all sub widgets
			if ( ! empty( $this->sub_widgets ) ) {
				global $wp_widget_factory;

				foreach ( $this->sub_widgets as $id => $sub ) {
					if ( empty( $old['origin_style_' . $id] ) ) {
						continue;
					}
					$the_widget = $wp_widget_factory->widgets[$sub[1]];
					list( $style, $preset ) = explode( ':', $old['origin_style_' . $id] );

					$the_widget->clear_css_cache( $style, $preset );
				}
			}
		}

		foreach ( $this->form_args as $field_id => $field_args ) {
			if ( $field_args['type'] == 'checkbox' ) {
				$new[$field_id] = ! empty( $new[$field_id] );
			}
		}

		return $new;
	}

	/**
	 * Display the form for the widget. Auto generated from form array.
	 *
	 * @param array $instance
	 *
	 * @return string|void
	 */
	public function form( $instance ) {
		?>
		<div style="margin-bottom: 20px;">
			<strong>
				<?php
				printf(
					__( 'This is a legacy Page Builder widget. Please move to use widgets from the %sSiteOrigin Widgets Bundle%s plugin when able.', 'siteorigin-panels' ),
					'<a href="https://wordpress.org/plugins/so-widgets-bundle" target="_blank" rel="noopener noreferrer">',
					'</a>'
				);
				?>
			</strong>
		</div>
		<?php

		foreach ( $this->form_args as $field_id => $field_args ) {
			if ( isset( $field_args['default'] ) && ! isset( $instance[ $field_id ] ) ) {
				$instance[ $field_id ] = $field_args['default'];
			}

			if ( ! isset( $instance[$field_id] ) ) {
				$instance[ $field_id ] = false;
			}

			?><p><label for="<?php echo esc_attr( $this->get_field_id( $field_id ) ); ?>"><?php echo esc_html( $field_args['label'] ); ?></label><?php

			if ( $field_args['type'] != 'checkbox' ) {
				echo '<br />';
			}

			switch( $field_args['type'] ) {
				case 'text':
					?>
					<input
						type="text"
						class="widefat"
						id="<?php echo esc_attr( $this->get_field_id( $field_id ) ); ?>"
						name="<?php echo esc_attr( $this->get_field_name( $field_id ) ); ?>"
						value="<?php echo esc_attr( $instance[ $field_id ] ); ?>"
					/>
					<?php
					break;

				case 'textarea':
					if ( empty( $field_args['height'] ) ) {
						$field_args['height'] = 6;
					}
					?>
					<textarea
						class="widefat"
						id="<?php echo esc_attr( $this->get_field_id( $field_id ) ); ?>"
						name="<?php echo esc_attr( $this->get_field_name( $field_id ) ); ?>"
						rows="<?php echo (int) $field_args['height']; ?>"
					><?php echo esc_textarea( $instance[ $field_id ] ); ?></textarea>
					<?php
					break;

				case 'number':
					?>
					<input
						type="number"
						class="small-text"
						id="<?php echo esc_attr( $this->get_field_id( $field_id ) ); ?>"
						name="<?php echo esc_attr( $this->get_field_name( $field_id ) ); ?>"
						value="<?php echo (float) $instance[ $field_id ]; ?>"
					/>
					<?php
					break;

				case 'checkbox':
					?>
					<input
						type="checkbox"
						class="small-text"
						id="<?php echo esc_attr( $this->get_field_id( $field_id ) ); ?>"
						name="<?php echo esc_attr( $this->get_field_name( $field_id ) ); ?>"
						<?php checked( ! empty( $instance[ $field_id ] ) ); ?>
					/>
					<?php
					break;

				case 'select':
					?>
					<select
						id="<?php echo esc_attr( $this->get_field_id( $field_id ) ); ?>"
						name="<?php echo esc_attr( $this->get_field_name( $field_id ) ); ?>">
						<?php foreach ( $field_args['options'] as $k => $v ) { ?>
							<option
								value="<?php echo esc_attr( $k ); ?>"
								<?php selected( $instance[ $field_id ], $k ); ?>
							>
								<?php echo esc_html( $v ); ?>
							</option>
						<?php } ?>
					</select>
					<?php
					break;
			}

			if ( ! empty( $field_args['description'] ) ) {
				echo '<small class="description">' . esc_html( $field_args['description'] ) . '</small>';
			}

			?>
			</p>
			<?php
		}

		if ( ! isset( $instance['origin_style'] ) ) {
			$instance['origin_style'] = ! empty( $this->widget_options['default_style'] ) ? $this->widget_options['default_style'] : false;
		}

		do_action( 'siteorigin_panels_widget_before_styles', $this, $instance );

		// Now, lets add the style options.
		$styles = $this->get_styles();

		if ( ! empty( $styles ) ) {
			?>
			<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'origin_style' ) ); ?>"><?php esc_html_e( 'Style', 'siteorigin-panels' ); ?></label>
				<select name="<?php echo esc_attr( $this->get_field_name( 'origin_style' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'origin_style' ) ); ?>">
					<?php
					foreach ( $this->get_styles() as $style_id => $style_info ) {
						$presets = $this->get_style_presets( $style_id ); ?>
						<?php if ( ! empty( $presets ) ) { ?>
							<?php foreach ( $presets as $preset_id => $preset ) { ?>
								<option value="<?php echo esc_attr( $style_id . ':' . $preset_id ); ?>" <?php selected( $style_id . ':' . $preset_id, $instance['origin_style'] ); ?>>
									<?php echo esc_html( $style_info['Name'] . ' - ' . ucwords( str_replace( '_', ' ', $preset_id ) ) ); ?>
								</option>
							<?php } ?>
						<?php } ?>
					<?php } ?>
				</select>
			</p>
			<?php
		}

		do_action( 'siteorigin_panels_widget_before_substyles', $this, $instance );

		foreach ( $this->sub_widgets as $id => $sub ) {
			global $wp_widget_factory;
			$the_widget = $wp_widget_factory->widgets[$sub[1]];

			if ( ! isset( $instance['origin_style_' . $id] ) ) {
				$instance['origin_style_' . $id] = ! empty( $this->widget_options['default_style_' . $id] ) ? $this->widget_options['default_style_' . $id] : false;
			}

			?>
			<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'origin_style_' . $id ) ); ?>"><?php printf( __( '%s Style', 'siteorigin-panels' ), $sub[0] ); ?></label>
				<select name="<?php echo esc_attr( $this->get_field_name( 'origin_style_' . $id ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'origin_style_' . $id ) ); ?>">
					<?php foreach ( $the_widget->get_styles() as $style_id => $style_info ) {
						$presets = $the_widget->get_style_presets( $style_id ); ?>
						<?php if ( ! empty( $presets ) ) {
							foreach ( $presets as $preset_id => $preset ) { ?>
								<option value="<?php echo esc_attr( $style_id . ':' . $preset_id ); ?>" <?php selected( $style_id . ':' . $preset_id, $instance['origin_style_' . $id] ); ?>>
									<?php echo esc_html( $style_info['Name'] . ' - ' . ucwords( str_replace( '_', ' ', $preset_id ) ) ); ?>
								</option>
							<?php } ?>
						<?php } ?>
					<?php } ?>
				</select>
			</p>
			<?php
		}

		do_action( 'siteorigin_panels_widget_after_styles', $this, $instance );
	}

	/**
	 * Render the widget.
	 *
	 * @param array $args
	 * @param array $instance
	 *
	 * @return bool|void
	 */
	public function widget( $args, $instance ) {
		// Set up defaults for all the widget args
		foreach ( $this->form_args as $field_id => $field_args ) {
			if ( isset( $field_args['default'] ) && ! isset( $instance[$field_id] ) ) {
				$instance[$field_id] = $field_args['default'];
			}

			if ( ! isset( $instance[ $field_id ] ) ) {
				$instance[ $field_id ] = false;
			}
		}

		// Filter the title
		if ( ! empty( $instance['title'] ) ) {
			$instance['title'] = apply_filters( 'widget_title', $instance['title'], $instance, $this->id_base );
		}

		if ( ! empty( $instance['origin_style'] ) ) {
			list( $style, $preset ) = explode( ':', $instance['origin_style'] );
			$style = sanitize_file_name( $style );
			$preset = sanitize_file_name( $preset );

			$data = $this->get_style_data( $style );
			$template = $data['Template'];
		} else {
			$style = 'default';
			$preset = 'default';
		}

		if ( empty( $template ) ) {
			$template = 'default';
		}

		$template_file = false;
		$paths = $this->get_widget_paths();

		foreach ( $paths as $path ) {
			if ( file_exists( $path . '/' . $this->origin_id . '/tpl/' . $template . '.php' ) ) {
				$template_file = $path . '/' . $this->origin_id . '/tpl/' . $template . '.php';
				break;
			}
		}

		if ( empty( $template_file ) ) {
			echo $args['before_widget'];
			esc_html_e( 'Template not found', 'siteorigin-panels' );
			echo $args['after_widget'];

			return false;
		}

		// Dynamically generate the CSS
		global $origin_widgets_generated_css;

		if ( empty( $origin_widgets_generated_css ) ) {
			$origin_widgets_generated_css = array();
		}

		if ( ! empty( $instance['origin_style'] ) ) {
			$filename = $this->origin_id . '-' . $style . '-' . $preset;

			if ( ! isset( $origin_widgets_generated_css[$filename] ) ) {
				$origin_widgets_generated_css[$filename] = origin_widgets_generate_css( get_class( $this ), $style, $preset );
			}
		}

		if ( method_exists( $this, 'enqueue_scripts' ) ) {
			$this->enqueue_scripts();
		}

		$widget_classes = apply_filters( 'siteorigin_widgets_classes', array(
			'origin-widget',
			'origin-widget-' . $this->origin_id,
			'origin-widget-' . $this->origin_id . '-' . $style . '-' . $preset,
		), $instance );

		if ( method_exists( $this, 'widget_classes' ) ) {
			$widget_classes = $this->widget_classes( array(
				'origin-widget',
				'origin-widget-' . $this->origin_id,
				'origin-widget-' . $this->origin_id . '-' . $style . '-' . $preset,
			), $instance );
		}

		echo $args['before_widget'];
		echo '<div class="' . esc_attr( implode( ' ', $widget_classes ) ) . '">';
		include $template_file;
		echo '</div>';
		echo $args['after_widget'];
	}

	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	// Extra functions specific to a SiteOrigin widget.
	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

	/**
	 * A sub widget is a widget that's style is required by this widget
	 */
	public function sub_widget( $id, $instance ) {
		$sub = $this->sub_widgets[$id];
		global $wp_widget_factory;
		$the_widget = $wp_widget_factory->widgets[$sub[1]];
		$the_widget->widget( array( 'before_widget' => '', 'after_widget' => '' ), $instance );
	}

	/**
	 * Get the CSS for the given style and preset
	 *
	 * @return string
	 */
	public function create_css( $style, $preset ) {
		$paths = $this->get_widget_paths();
		$style_file = false;

		// Find the file - exit if it can't be found.
		foreach ( $paths as $path ) {
			if ( file_exists( $path . '/' . $this->origin_id . '/styles/' . $style . '.less' ) ) {
				$style_file = $path . '/' . $this->origin_id . '/styles/' . $style . '.less';
				break;
			}
		}

		if ( empty( $style_file ) ) {
			return '';
		}

		if ( ! class_exists( 'lessc' ) ) {
			include plugin_dir_path( __FILE__ ) . 'lib/lessc.inc.php';
		}

		foreach ( $this->get_widget_folders() as $folder => $folder_url ) {
			$filename = rtrim( $folder, '/' ) . '/' . $this->origin_id . '/styles/' . $style . '.less';

			if ( file_exists( $filename ) ) {
				$less = file_get_contents( $filename );
				break;
			}
		}
		// Add in the mixins
		$less = str_replace(
			'@import "../../../less/mixins";',
			"\n\n" . file_get_contents( plugin_dir_path( __FILE__ ) . 'less/mixins.less' ),
			$less
		);

		// Apply the preset variables to the LESS file
		$presets = $this->get_style_presets( $style );

		if ( ! empty( $presets[$preset] ) && is_array( $presets[$preset] ) ) {
			foreach ( $presets[$preset] as $k => $v ) {
				$less = preg_replace( '/@' . preg_quote( $k ) . ':(.*);/', '@' . $k . ': ' . $v . ';', $less );
			}
		}

		// Scope the CSS with the wrapper we'll be adding
		$less = '.origin-widget.origin-widget-' . $this->origin_id . '-' . $style . '-' . $preset . ' {' . $less . '}';
		$lc = new lessc();
		$lc->setPreserveComments( false );

		$lc->registerFunction( 'lumlighten', 'origin_widgets_less_lumlighten' );
		$lc->registerFunction( 'lumdarken', 'origin_widgets_less_lumdarken' );
		$lc->registerFunction( 'texture', 'origin_widgets_less_texture' );
		$lc->registerFunction( 'widgetimage', 'origin_widgets_less_widgetimage' );

		// Create the CSS
		return $lc->compile( $less );
	}

	/**
	 * Removes a CSS file
	 */
	public function clear_css_cache( $style, $preset ) {
		$filename = $this->origin_id . '-' . $style . '-' . $preset;
		delete_site_transient( 'origin_widgets_css_cache:' . $filename );
	}

	/**
	 * Get all the paths where we'll look for widgets.
	 *
	 * @return array
	 */
	public function get_widget_paths() {
		static $paths = array();

		if ( empty( $paths ) ) {
			$paths = array_keys( $this->get_widget_folders() );
		}

		return $paths;
	}

	/**
	 * Get all the folders where we'll look for widgets
	 *
	 * @return mixed|void
	 */
	public static function get_widget_folders() {
		static $folders = array();

		if ( empty( $folders ) ) {
			$folders = array(
				get_stylesheet_directory() . '/widgets' => get_stylesheet_directory_uri() . '/widgets/widgets',
				get_template_directory() . '/widgets' => get_template_directory_uri() . '/widgets',
				plugin_dir_path( __FILE__ ) . 'widgets' => plugin_dir_url( __FILE__ ) . 'widgets',
			);
			$folders = apply_filters( 'siteorigin_widget_folders', $folders );
		}

		return $folders;
	}

	/**
	 * Get all the folders where we'll look for widget images
	 *
	 * @return mixed|void
	 */
	public static function get_image_folders() {
		static $folders = array();

		if ( empty( $folders ) ) {
			$folders = array(
				get_stylesheet_directory() . '/widgets/img' => get_stylesheet_directory_uri() . '/widgets/img',
				get_template_directory() . '/widgets/img' => get_template_directory_uri() . '/widgets/img',
				plugin_dir_path( __FILE__ ) . 'img' => plugin_dir_url( __FILE__ ) . 'img',
			);
			$folders = apply_filters( 'siteorigin_widget_image_folders', $folders );
		}

		return $folders;
	}

	/**
	 * Get all the styles for this widget.
	 *
	 * @return array
	 */
	public function get_styles() {
		if ( empty( $this->styles ) ) {
			// We can add extra paths here
			foreach ( $this->get_widget_paths() as $path ) {
				if ( !is_dir( $path ) ) {
					continue;
				}

				$files = glob( $path . '/' . $this->origin_id . '/styles/*.less' );

				if ( ! empty( $files ) ) {
					foreach ( glob( $path . '/' . $this->origin_id . '/styles/*.less' ) as $file ) {
						$p = pathinfo( $file );
						$this->styles[$p['filename']] = $this->get_style_data( $p['filename'] );
					}
				}
			}
		}

		return $this->styles;
	}

	/**
	 * Get the presets for a given style
	 *
	 * @return mixed|void
	 */
	public function get_style_presets( $style_id ) {
		$presets = array();

		foreach ( $this->get_widget_folders() as $folder => $folder_uri ) {
			$filename = rtrim( $folder, '/' ) . '/' . $this->origin_id . '/presets/' . sanitize_file_name( $style_id ) . '.php';

			if ( file_exists( $filename ) ) {
				// This file should register a filter that adds the presets
				$new_presets = include $filename;
				$presets = array_merge( $presets, $new_presets );
			}
		}

		return apply_filters( 'origin_widget_presets_' . $this->origin_id . '_' . $style_id, $presets );
	}

	/**
	 * Get data for the style.
	 *
	 * @return array
	 */
	public function get_style_data( $name ) {
		$paths = $this->get_widget_paths();

		foreach ( $paths as $path ) {
			$filename = $path . '/' . $this->origin_id . '/styles/' . sanitize_file_name( $name ) . '.less';

			if ( !file_exists( $filename ) ) {
				continue;
			}

			$data = get_file_data( $filename, array(
				'Name' => 'Name',
				'Template' => 'Template',
				'Author' => 'Author',
				'Author URI' => 'Author URI',
			), 'origin_widget' );

			return $data;
		}

		return false;
	}

	/**
	 * Render a demo of the widget.
	 *
	 * @param array $args
	 */
	public function render_demo( $args = array() ) {
		$this->widget( $args, $this->demo );
	}

	/**
	 * Register a widget that we'll be using inside this widget.
	 */
	public function add_sub_widget( $id, $name, $class ) {
		$this->sub_widgets[$id] = array( $name, $class );
	}

	/**
	 * Add the fields required to query the posts.
	 */
	public function add_post_query_fields() {
		// Add the posts type field
		$post_types = get_post_types( array( 'public' => true ) );
		$post_types = array_values( $post_types );
		$this->form_args['query_post_type'] = array(
			'type' => 'select',
			'options' => $post_types,
			'label' => __( 'Post Type', 'siteorigin-panels' ),
		);

		// Add the posts per page field
		$this->form_args['query_posts_per_page'] = array(
			'type' => 'number',
			'default' => 10,
			'label' => __( 'Posts Per Page', 'siteorigin-panels' ),
		);

		$this->form_args['query_orderby'] = array(
			'type' => 'select',
			'label' => __( 'Order By', 'siteorigin-panels' ),
			'options' => array(
				'none'  => __( 'None', 'siteorigin-panels' ),
				'ID'  => __( 'Post ID', 'siteorigin-panels' ),
				'author'  => __( 'Author', 'siteorigin-panels' ),
				'name'  => __( 'Name', 'siteorigin-panels' ),
				'name'  => __( 'Name', 'siteorigin-panels' ),
				'date'  => __( 'Date', 'siteorigin-panels' ),
				'modified'  => __( 'Modified', 'siteorigin-panels' ),
				'parent'  => __( 'Parent', 'siteorigin-panels' ),
				'rand'  => __( 'Random', 'siteorigin-panels' ),
				'comment_count'  => __( 'Comment Count', 'siteorigin-panels' ),
				'menu_order'  => __( 'Menu Order', 'siteorigin-panels' ),
			),
		);

		$this->form_args['query_order'] = array(
			'type' => 'select',
			'label' => __( 'Order', 'siteorigin-panels' ),
			'options' => array(
				'ASC'  => __( 'Ascending', 'siteorigin-panels' ),
				'DESC'  => __( 'Descending', 'siteorigin-panels' ),
			),
		);

		$this->form_args['query_sticky'] = array(
			'type' => 'select',
			'label' => __( 'Sticky Posts', 'siteorigin-panels' ),
			'options' => array(
				''  => __( 'Default', 'siteorigin-panels' ),
				'ignore'  => __( 'Ignore Sticky', 'siteorigin-panels' ),
				'exclude'  => __( 'Exclude Sticky', 'siteorigin-panels' ),
				'only'  => __( 'Only Sticky', 'siteorigin-panels' ),
			),
		);

		$this->form_args['query_additional'] = array(
			'type' => 'text',
			'label' => __( 'Additional Arguments', 'siteorigin-panels' ),
			'description' => preg_replace(
				'/1\{ *(.*?) *\}/',
				'<a href="http://codex.wordpress.org/Function_Reference/query_posts">$1</a>',
				__( 'Additional query arguments. See 1{query_posts}.', 'siteorigin-panels' )
			),
		);
	}

	/**
	 * Get all the posts for the current query
	 *
	 * @return WP_Query
	 */
	public static function get_query_posts( $instance ) {
		$query_args = array();

		foreach ( $instance as $k => $v ) {
			if ( strpos( $k, 'query_' ) === 0 ) {
				$query_args[preg_replace( '/query_/', '', $k, 1 )] = $v;
			}
		}
		$query = $query_args;
		unset( $query['additional'] );
		unset( $query['sticky'] );

		// Add the additional arguments
		$query = wp_parse_args( $query_args['additional'], $query );

		// Add the sticky posts if required
		switch( $query_args['sticky'] ) {
			case 'ignore':
				$query['ignore_sticky_posts'] = 1;
				break;

			case 'only':
				$query['post__in'] = get_option( 'sticky_posts' );
				break;

			case 'exclude':
				$query['post__not_in'] = get_option( 'sticky_posts' );
				break;
		}

		// Add the current page
		global $wp_query;
		$query['paged'] = $wp_query->get( 'paged' );

		return new WP_Query( $query );
	}
}

// All the standard bundled widgets

/**
 * A gallery widget
 *
 * Class SiteOrigin_Panels_Widgets_Gallery
 */
class SiteOrigin_Panels_Widgets_Gallery extends WP_Widget {
	public function __construct() {
		parent::__construct(
			'siteorigin-panels-gallery',
			__( 'Gallery (PB)', 'siteorigin-panels' ),
			array(
				'description' => __( 'Displays a gallery.', 'siteorigin-panels' ),
			)
		);
	}

	public function widget( $args, $instance ) {
		echo $args['before_widget'];

		$shortcode_attr = array();

		foreach ( $instance as $k => $v ) {
			if ( empty( $v ) ) {
				continue;
			}
			$shortcode_attr[] = sanitize_key( $k ) . '="' . esc_attr( $v ) . '"';
		}

		echo do_shortcode( '[gallery ' . implode( ' ', $shortcode_attr ) . ']' );

		echo $args['after_widget'];
	}

	public function update( $new, $old ) {
		return $new;
	}

	public function form( $instance ) {
		global $_wp_additional_image_sizes;

		$types = apply_filters( 'siteorigin_panels_gallery_types', array() );

		$instance = wp_parse_args( $instance, array(
			'ids' => '',
			'size' => apply_filters( 'siteorigin_panels_gallery_default_size', '' ),
			'type' => apply_filters( 'siteorigin_panels_gallery_default_type', '' ),
			'columns' => 3,
			'link' => '',
		) );

		?>
		<p>
			<label for="<?php echo esc_attr( $this->get_field_id( 'ids' ) ); ?>"><?php esc_html_e( 'Gallery Images', 'siteorigin-panels' ); ?></label>
			<a href="#" onclick="return false;" class="so-gallery-widget-select-attachments hidden"><?php esc_html_e( 'edit gallery', 'siteorigin-panels' ); ?></a>
			<input type="text" class="widefat" value="<?php echo esc_attr( $instance['ids'] ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'ids' ) ); ?>" />
		</p>
		<p class="description">
			<?php _e( "Comma separated attachment IDs. Defaults to all current page's attachments.", 'siteorigin-panels' ); ?>
		</p>

		<p>
			<label for="<?php echo esc_attr( $this->get_field_id( 'size' ) ); ?>"><?php esc_html_e( 'Image Size', 'siteorigin-panels' ); ?></label>
			<select name="<?php echo esc_attr( $this->get_field_name( 'size' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'size' ) ); ?>">
				<option value="" <?php selected( empty( $instance['size'] ) ); ?>><?php esc_html_e( 'Default', 'siteorigin-panels' ); ?></option>
				<option value="large" <?php selected( 'large', $instance['size'] ); ?>><?php esc_html_e( 'Large', 'siteorigin-panels' ); ?></option>
				<option value="medium" <?php selected( 'medium', $instance['size'] ); ?>><?php esc_html_e( 'Medium', 'siteorigin-panels' ); ?></option>
				<option value="thumbnail" <?php selected( 'thumbnail', $instance['size'] ); ?>><?php esc_html_e( 'Thumbnail', 'siteorigin-panels' ); ?></option>
				<option value="full" <?php selected( 'full', $instance['size'] ); ?>><?php esc_html_e( 'Full', 'siteorigin-panels' ); ?></option>
				<?php if ( ! empty( $_wp_additional_image_sizes ) ) {
					foreach ( $_wp_additional_image_sizes as $name => $info ) { ?>
						<option value="<?php echo esc_attr( $name ); ?>" <?php selected( $name, $instance['size'] ); ?>><?php echo esc_html( $name ); ?></option>
					<?php } ?>
				<?php } ?>
			</select>
		</p>

		<p>
			<label for="<?php echo esc_attr( $this->get_field_id( 'type' ) ); ?>"><?php esc_html_e( 'Gallery Type', 'siteorigin-panels' ); ?></label>
			<input type="text" class="regular" value="<?php echo esc_attr( $instance['type'] ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'type' ) ); ?>" />
		</p>

		<p>
			<label for="<?php echo esc_attr( $this->get_field_id( 'columns' ) ); ?>"><?php esc_html_e( 'Columns', 'siteorigin-panels' ); ?></label>
			<input type="text" class="regular" value="<?php echo esc_attr( $instance['columns'] ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'columns' ) ); ?>" />
		</p>

		<p>
			<label for="<?php echo esc_attr( $this->get_field_id( 'link' ) ); ?>"><?php esc_html_e( 'Link To', 'siteorigin-panels' ); ?></label>
			<select name="<?php echo esc_attr( $this->get_field_name( 'link' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'link' ) ); ?>">
				<option value="" <?php selected( '', $instance['link'] ); ?>><?php esc_html_e( 'Attachment Page', 'siteorigin-panels' ); ?></option>
				<option value="file" <?php selected( 'file', $instance['link'] ); ?>><?php esc_html_e( 'File', 'siteorigin-panels' ); ?></option>
				<option value="none" <?php selected( 'none', $instance['link'] ); ?>><?php esc_html_e( 'None', 'siteorigin-panels' ); ?></option>
			</select>
		</p>

	<?php
	}
}

/**
 * An image widget
 *
 * Class SiteOrigin_Panels_Widgets_Image
 */
class SiteOrigin_Panels_Widgets_Image extends WP_Widget {
	public function __construct() {
		parent::__construct(
			'siteorigin-panels-image',
			__( 'Image (PB)', 'siteorigin-panels' ),
			array(
				'description' => __( 'Displays a simple image.', 'siteorigin-panels' ),
			)
		);
	}

	/**
	 * @param array $args
	 * @param array $instance
	 */
	public function widget( $args, $instance ) {
		echo $args['before_widget'];

		if ( ! empty( $instance['href'] ) ) {
			echo '<a href="' . esc_url( $instance['href'] ) . '">';
		}
		echo '<img src="' . esc_url( $instance['src'] ) . '" />';

		if ( ! empty( $instance['href'] ) ) {
			echo '</a>';
		}
		echo $args['after_widget'];
	}

	public function update( $new, $old ) {
		$new = wp_parse_args( $new, array(
			'src' => '',
			'href' => '',
		) );

		return $new;
	}

	public function form( $instance ) {
		$instance = wp_parse_args( $instance, array(
			'src' => '',
			'href' => '',
		) );

		?>
		<p>
			<label for="<?php echo esc_attr( $this->get_field_id( 'src' ) ); ?>"><?php esc_html_e( 'Image URL', 'siteorigin-panels' ); ?></label>
			<input type="text" class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'src' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'src' ) ); ?>" value="<?php echo esc_attr( $instance['src'] ); ?>" />
		</p>
		<p>
			<label for="<?php echo esc_attr( $this->get_field_id( 'href' ) ); ?>"><?php esc_html_e( 'Destination URL', 'siteorigin-panels' ); ?></label>
			<input type="text" class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'href' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'href' ) ); ?>" value="<?php echo esc_attr( $instance['href'] ); ?>" />
		</p>
	<?php
	}
}

/**
 * A widget that lets you embed video.
 */
class SiteOrigin_Panels_Widgets_EmbeddedVideo extends WP_Widget {
	public function __construct() {
		parent::__construct(
			'siteorigin-panels-embedded-video',
			__( 'Embedded Video (PB)', 'siteorigin-panels' ),
			array(
				'description' => __( 'Embeds a video.', 'siteorigin-panels' ),
			)
		);
	}

	/**
	 * Display the video using
	 *
	 * @param array $args
	 * @param array $instance
	 */
	public function widget( $args, $instance ) {
		$embed = new WP_Embed();

		if ( ! wp_script_is( 'siteorigin-panels-embedded-video' ) ) {
			wp_enqueue_script( 'siteorigin-panels-embedded-video', plugin_dir_url( __FILE__ ) . 'js/embedded-video.js', array( 'jquery', 'fitvids' ), SITEORIGIN_PANELS_VERSION );
		}

		echo $args['before_widget'];
		?><div class="siteorigin-fitvids"><?php echo $embed->run_shortcode( '[embed]' . $instance['video'] . '[/embed]' ); ?></div><?php
		echo $args['after_widget'];
	}

	/**
	 * Display the embedded video form.
	 *
	 * @param array $instance
	 *
	 * @return string|void
	 */
	public function form( $instance ) {
		$instance = wp_parse_args( $instance, array(
			'video' => '',
		) );

		?>
		<p>
			<label for="<?php echo $this->get_field_id( 'video' ); ?>"><?php esc_html_e( 'Video', 'siteorigin-panels' ); ?></label>
			<input type="text" class="widefat" name="<?php echo $this->get_field_name( 'video' ); ?>" id="<?php echo $this->get_field_id( 'video' ); ?>" value="<?php echo esc_attr( $instance['video'] ); ?>" />
		</p>
		<?php
	}

	public function update( $new, $old ) {
		$new['video'] = str_replace( 'https://', 'http://', $new['video'] );

		return $new;
	}
}

class SiteOrigin_Panels_Widgets_Video extends WP_Widget {
	public function __construct() {
		parent::__construct(
			'siteorigin-panels-video',
			__( 'Self Hosted Video (PB)', 'siteorigin-panels' ),
			array(
				'description' => __( 'A self hosted video player.', 'siteorigin-panels' ),
			)
		);
	}

	public function widget( $args, $instance ) {
		if ( empty( $instance['url'] ) ) {
			return;
		}

		if ( !function_exists( 'wp_video_shortcode' ) ) {
			return;
		}

		$instance = wp_parse_args( $instance, array(
			'url' => '',
			'poster' => '',
			'autoplay' => false,
		) );

		echo $args['before_widget'];
		echo wp_video_shortcode( array(
			'src' => $instance['url'],
			'poster' => $instance['poster'],
			'autoplay' => $instance['autoplay'],
		) );
		echo $args['after_widget'];
	}

	public function update( $new, $old ) {
		$new['url'] = esc_url_raw( $new['url'] );
		$new['poster'] = esc_url_raw( $new['poster'] );
		$new['autoplay'] = ! empty( $new['autoplay'] ) ? 1 : 0;

		return $new;
	}

	public function form( $instance ) {
		$instance = wp_parse_args( $instance, array(
			'url' => '',
			'poster' => '',
			'skin' => 'siteorigin',
			'ratio' => 1.777,
			'autoplay' => false,
		) );

		?>
		<p>
			<label for="<?php echo $this->get_field_id( 'url' ); ?>"><?php esc_html_e( 'Video URL', 'siteorigin-panels' ); ?></label>
			<input id="<?php echo $this->get_field_id( 'url' ); ?>" name="<?php echo $this->get_field_name( 'url' ); ?>" type="text" class="widefat" value="<?php echo esc_attr( $instance['url'] ); ?>" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'poster' ); ?>"><?php esc_html_e( 'Poster URL', 'siteorigin-panels' ); ?></label>
			<input id="<?php echo $this->get_field_id( 'poster' ); ?>" name="<?php echo $this->get_field_name( 'poster' ); ?>" type="text" class="widefat" value="<?php echo esc_attr( $instance['poster'] ); ?>" />
			<small class="description"><?php esc_html_e( 'An image that displays before the video starts playing.', 'siteorigin-panels' ); ?></small>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'autoplay' ); ?>">
				<input id="<?php echo $this->get_field_id( 'autoplay' ); ?>" name="<?php echo $this->get_field_name( 'autoplay' ); ?>" type="checkbox" value="1" <?php checked( $instance['autoplay'] ); ?> />
				<?php esc_html_e( 'Auto Play Video', 'siteorigin-panels' ); ?>
			</label>
		</p>
	<?php
	}
}

/**
 * A shortcode for self hosted video.
 *
 * @param array $atts
 *
 * @return string
 */
function siteorigin_panels_video_shortcode( $atts ) {
	/**
	 * @var string $url
	 * @var string $poster
	 * @var string $skin
	 */
	$instance = shortcode_atts( array(
		'url' => '',
		'src' => '',
		'poster' => '',
		'skin' => 'siteorigin',
		'ratio' => 1.777,
		'autoplay' => 0,
	), $atts );

	if ( ! empty( $instance['src'] ) ) {
		$instance['url'] = $instance['src'];
	}

	if ( empty( $instance['url'] ) ) {
		return;
	}

	ob_start();
	the_widget( 'SiteOrigin_Panels_Widgets_Video', $instance );

	return ob_get_clean();
}
add_shortcode( 'self_video', 'siteorigin_panels_video_shortcode' );

/**
 * Register the widgets.
 */
function siteorigin_panels_widgets_init() {
	register_widget( 'SiteOrigin_Panels_Widgets_Gallery' );
	register_widget( 'SiteOrigin_Panels_Widgets_Image' );
	register_widget( 'SiteOrigin_Panels_Widgets_EmbeddedVideo' );
	register_widget( 'SiteOrigin_Panels_Widgets_Video' );
}
add_action( 'widgets_init', 'siteorigin_panels_widgets_init' );