<?php

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

		private $image_sizes;

		function __construct() {

			// Initialize variables
			$this->image_sizes = array();

			add_action( 'after_setup_theme', array( $this, 'populate_image_sizes' ), 6 );

			add_action( 'after_setup_theme', array( $this, 'set_image_support' ) );

			add_action( 'admin_init', array( $this, 'settings_init' ) );

			add_filter( 'allowed_options', array( $this, 'register_media_settings' ) );

			add_filter( 'qode_framework_filter_pool_list_image_dimension', array( $this, 'register_pool_list_image_dimension' ) );
		}

		function populate_image_sizes() {
			do_action( 'qode_framework_action_before_images_register' );

			$this->image_sizes = apply_filters( 'qode_framework_filter_populate_image_sizes', array() );
		}

		public function settings_init() {
			if ( ! empty( $this->image_sizes ) ) {
				foreach ( $this->image_sizes as $size ) {
					$slug  = $size['slug'];
					$label = $size['label'];

					add_settings_field(
						$slug,
						$label,
						array( $this, 'post_type_slug_input' ),
						'media',
						'default',
						$size
					);
				}
			}
		}

		public function post_type_slug_input( $args ) {
			$image_size_name   = $args['slug'];
			$width_field_name  = $image_size_name . '_w';
			$height_field_name = $image_size_name . '_h';
			$crop_field_name   = $image_size_name . '_crop';

			$width_value  = get_option( $width_field_name );
			$height_value = get_option( $height_field_name );
			$crop_value   = get_option( $crop_field_name );

			$default_width  = false !== $width_value ? $width_value : $args['default_width'];
			$default_height = false !== $height_value ? $height_value : $args['default_height'];
			$default_crop   = false !== $crop_value ? $crop_value : $args['default_crop'];

			$default_checked = 1 == $default_crop || true === $default_crop ? 'checked' : '';
			?>
			<fieldset>
				<legend class="screen-reader-text"><span><?php esc_html_e( 'Large size', 'qode-framework' ); ?></span>
				</legend>
				<label for="<?php echo esc_attr( $width_field_name ); ?>"><?php esc_html_e( 'Max Width', 'qode-framework' ); ?></label>
				<input name="<?php echo esc_attr( $width_field_name ); ?>" type="number" step="1" min="0" id="<?php echo esc_attr( $width_field_name ); ?>" value="<?php echo esc_attr( $default_width ); ?>" class="small-text">
				<br>
				<label for="<?php echo esc_attr( $height_field_name ); ?>"><?php esc_html_e( 'Max Height', 'qode-framework' ); ?></label>
				<input name="<?php echo esc_attr( $height_field_name ); ?>" type="number" step="1" min="0" id="<?php echo esc_attr( $height_field_name ); ?>" value="<?php echo esc_attr( $default_height ); ?>" class="small-text">
			</fieldset>
			<input name="<?php echo esc_attr( $crop_field_name ); ?>" type="checkbox" id="<?php echo esc_attr( $crop_field_name ); ?>" value="1" <?php echo esc_attr( $default_checked ); ?>>
			<label for="<?php echo esc_attr( $crop_field_name ); ?>"><?php esc_html_e( 'Crop to exact dimensions (normally are proportional) ', 'qode-framework' ); ?></label>
			<?php
		}

		public function set_image_support() {
			if ( ! empty( $this->image_sizes ) ) {
				foreach ( $this->image_sizes as $size ) {
					$image_size_name   = $size['slug'];
					$width_field_name  = $image_size_name . '_w';
					$height_field_name = $image_size_name . '_h';
					$crop_field_name   = $image_size_name . '_crop';
					$width_value       = is_string( get_option( $width_field_name ) ) ? get_option( $width_field_name ) : $size['default_width'];
					$height_value      = is_string( get_option( $height_field_name ) ) ? get_option( $height_field_name ) : $size['default_height'];
					$crop_value        = get_option( $crop_field_name ) !== false ? get_option( $crop_field_name ) : $size['default_crop'];
					add_image_size( $image_size_name, $width_value, $height_value, $crop_value );
				}
			}
		}

		public function register_media_settings( $whitelist_options ) {
			if ( ! empty( $this->image_sizes ) ) {
				$media_options = $whitelist_options['media'];
				foreach ( $this->image_sizes as $size ) {
					$image_size_name   = $size['slug'];
					$width_field_name  = $image_size_name . '_w';
					$height_field_name = $image_size_name . '_h';
					$crop_field_name   = $image_size_name . '_crop';
					$media_options[]   = $width_field_name;
					$media_options[]   = $height_field_name;
					$media_options[]   = $crop_field_name;
				}
				$whitelist_options['media'] = $media_options;
			}

			return $whitelist_options;
		}

		public function register_pool_list_image_dimension( $options ) {
			if ( ! empty( $this->image_sizes ) ) {
				foreach ( $this->image_sizes as $size ) {
					$slug             = $size['slug'];
					$label            = $size['label_simple'];
					$options[ $slug ] = $label;
				}
			}

			return $options;
		}
	}
}