<?php
/**
 * Upload Article Feature image.
 *
 * @param int    $post_id Article ID.
 *
 * @param string $image_name image name.
 *
 * @param string $full_image_path  Full image path from where image will upload.
 */
function ie_upload_feature_image( $post_id, $image_name = '', $full_image_path = '' ) {
	if ( ! empty( $post_id ) && ! empty( $image_name ) && ! empty( $full_image_path ) ) {
		$upload = wp_upload_bits( $image_name, null, wpcom_vip_file_get_contents( esc_url_raw( $full_image_path ), 3, 60 ) );
		if ( is_array( $upload ) && array_key_exists( 'file', $upload ) ) {
			$filename  = $upload['file'];
			$file_type = wp_check_filetype( $filename, null ); // Retrieve the file type from the file name.
			if ( is_array( $file_type ) && array_key_exists( 'type', $file_type ) ) {
				$attachment = array(
					'post_mime_type' => $file_type['type'],
					'post_title'     => sanitize_file_name( $filename ),
					'post_content'   => '',
					'post_status'    => 'inherit',
				);
				$attach_id = wp_insert_attachment( $attachment, $filename, $post_id );
				if ( ! empty( $attach_id ) ) {
					require_once trailingslashit( ABSPATH ) . 'wp-admin/includes/image.php';
					$attach_data = wp_generate_attachment_metadata( $attach_id, $filename );
					wp_update_attachment_metadata( $attach_id, $attach_data );
					set_post_thumbnail( $post_id, $attach_id );
				}
			}
		}
	}
}