<?php
namespace ChristianSpace\Core\Utils;

use ChristianSpace\Core\Utils\Utils;

use CmsmastersElementor\Utils as CmsmastersElementor_Utils;

use Elementor\Core\Responsive\Files\Frontend as ElementorResponsiveFilesFrontend;

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

/**
 * File_Manager handler class is responsible for different utility methods with files.
 */
class File_Manager {

	/**
	 * Get WP_Filesystem.
	 */
	public static function get_wp_filesystem() {
		global $wp_filesystem;

		if ( empty( $wp_filesystem ) ) {
			require_once ABSPATH . '/wp-admin/includes/file.php';

			WP_Filesystem();
		}

		if ( ! $wp_filesystem ) {
			return false;
		}

		return $wp_filesystem;
	}

	/**
	 * Download temp file.
	 *
	 * @param string $url File url.
	 * @param string $file_name File name.
	 *
	 * @return string Downloaded temp file path.
	 */
	public static function download_temp_file( $url, $file_name ) {
		$wp_upload_dir = wp_upload_dir();

		$temp_path = $wp_upload_dir['basedir'] . '/elementor/tmp';

		$created = wp_mkdir_p( $temp_path );

		if ( ! $created ) {
			return false;
		}

		$file_path = $temp_path . '/' . $file_name;

		$response = wp_remote_get(
			$url,
			array(
				'timeout'  => 300,
				'stream'   => true,
				'filename' => $file_path,
			)
		);

		$response_code = wp_remote_retrieve_response_code( $response );

		if ( 200 !== $response_code ) {
			return false;
		}

		return $file_path;
	}

	/**
	 * Upload and extract zip.
	 *
	 * @param string $file_path File path.
	 *
	 * @return string Path to extract directory.
	 */
	public static function upload_and_extract_zip( $file_path ) {
		if ( ! did_action( 'elementor/loaded' ) || ! class_exists( 'Cmsmasters_Elementor_Addon' ) ) {
			return new \WP_Error( 'required_plugins_activation', esc_html__( 'Required plugins not activated', 'christian' ) );
		}

		$wp_filesystem = self::get_wp_filesystem();

		$extract_to = trailingslashit( get_temp_dir() . pathinfo( $file_path, PATHINFO_FILENAME ) );
		$unzipped = CmsmastersElementor_Utils::extract_zip( $file_path, $extract_to );

		if ( is_wp_error( $unzipped ) ) {
			return $unzipped;
		}

		$source_files = array_keys( $wp_filesystem->dirlist( $extract_to ) ); // Find the right folder.

		if ( 0 === count( $source_files ) ) {
			return new \WP_Error( 'incompatible_archive', esc_html__( 'Incompatible archive', 'christian' ) );
		} elseif (
			1 === count( $source_files ) &&
			$wp_filesystem->is_dir( $extract_to . $source_files[0] )
		) {
			$directory = $extract_to . trailingslashit( $source_files[0] );
		} else {
			$directory = $extract_to;
		}

		return $directory;
	}

	/**
	 * Get responsive stylesheets path.
	 *
	 * Retrieve the responsive stylesheet templates path.
	 *
	 * @param string $path_prefix Optional. Default is ''.
	 *
	 * @return string Responsive stylesheet templates path.
	 */
	public static function get_responsive_css_path( $path_prefix = '' ) {
		return get_parent_theme_file_path( '/' . $path_prefix . 'assets/css/templates/' );
	}

	/**
	 * Get js assets url
	 *
	 * @param string $file_name
	 * @param string $relative_url Optional. Default is null.
	 * @param string $add_min_suffix Optional. Default is 'default'.
	 * @param string $path_prefix Optional. Default is ''.
	 *
	 * @return string
	 */
	public static function get_js_assets_url( $file_name, $relative_url = null, $add_min_suffix = 'default', $path_prefix = '' ) {
		return self::get_assets_url( $file_name, 'js', $relative_url, $add_min_suffix, $path_prefix );
	}

	/**
	 * Get css template assets url
	 *
	 * @param string $file_name
	 * @param string $relative_url Optional. Default is null.
	 * @param string $add_min_suffix Optional. Default is 'default'.
	 * @param bool $add_direction_suffix Optional. Default is `false`
	 * @param string $path_prefix Optional. Default is ''.
	 *
	 * @return string
	 */
	public static function get_css_template_assets_url( $file_name, $relative_url = null, $add_min_suffix = 'default', $add_direction_suffix = false, $path_prefix = '' ) {
		if ( Utils::has_custom_breakpoints() ) {
			$is_rtl = is_rtl() ? '-rtl' : '';
			$is_min = Utils::is_dev_mode() ? '' : '.min';
			$file = "{$file_name}{$is_rtl}{$is_min}.css";

			$responsive_file = new ElementorResponsiveFilesFrontend( "christian-{$file}", self::get_responsive_css_path( $path_prefix ) . $file );

			if ( ! $responsive_file->get_meta( 'time' ) ) {
				$responsive_file->update();
			}

			$file_url = $responsive_file->get_url();
		} else {
			$file_url = self::get_css_assets_url( $file_name, $relative_url, $add_min_suffix, $add_direction_suffix, $path_prefix );
		}

		return $file_url;
	}

	/**
	 * Get css assets url
	 *
	 * @param string $file_name
	 * @param string $relative_url Optional. Default is null.
	 * @param string $add_min_suffix Optional. Default is 'default'.
	 * @param bool $add_direction_suffix Optional. Default is `false`.
	 * @param string $path_prefix Optional. Default is ''.
	 *
	 * @return string
	 */
	public static function get_css_assets_url( $file_name, $relative_url = null, $add_min_suffix = 'default', $add_direction_suffix = false, $path_prefix = '' ) {
		static $direction_suffix = null;

		if ( ! $direction_suffix ) {
			$direction_suffix = is_rtl() ? '-rtl' : '';
		}

		if ( $add_direction_suffix ) {
			$file_name .= $direction_suffix;
		}

		return self::get_assets_url( $file_name, 'css', $relative_url, $add_min_suffix, $path_prefix );
	}

	/**
	 * Get assets url.
	 *
	 * @param string $file_name
	 * @param string $file_extension
	 * @param string $relative_url Optional. Default is null.
	 * @param string $add_min_suffix Optional. Default is 'default'.
	 * @param string $path_prefix Optional. Default is ''.
	 *
	 * @return string
	 */
	public static function get_assets_url( $file_name, $file_extension, $relative_url = null, $add_min_suffix = 'default', $path_prefix = '' ) {
		if ( ! $relative_url ) {
			$relative_url = 'assets/' . $file_extension . '/';
		}

		$url = get_template_directory_uri() . '/' . $path_prefix . $relative_url . $file_name;

		if ( 'default' === $add_min_suffix ) {
			$add_min_suffix = ! Utils::is_dev_mode();
		}

		if ( $add_min_suffix ) {
			$url .= '.min';
		}

		return $url . '.' . $file_extension;
	}

	/**
	 * Get upload files path.
	 *
	 * @param string $dir_name Directory name.
	 * @param string $file_name File name.
	 * @param bool $url true if need url.
	 * @param bool $slash true if need slash in the end of path.
	 *
	 * @return string path to directory/file.
	 */
	public static function get_upload_path( $dir_name = '', $file_name = '', $url = false, $slash = false ) {
		if ( $url ) {
			$out = Utils::get_upload_dir_parameter( 'baseurl' );
		} else {
			$out = Utils::get_upload_dir_parameter( 'basedir' );
		}

		$out = str_replace( '\\', '/', $out . '/cmsmasters/christian' );

		if ( '' !== $dir_name ) {
			$out = $out . '/' . $dir_name;
		}

		if ( '' !== $file_name ) {
			$out = $out . '/' . $file_name;
		} elseif ( $slash ) {
			$out = $out . '/';
		}

		return $out;
	}

	/**
	 * Get file contents.
	 *
	 * @param string $file File path.
	 *
	 * @return mixed File contents.
	 */
	public static function get_file_contents( $file ) {
		$wp_filesystem = self::get_wp_filesystem();

		if ( ! $wp_filesystem || ! file_exists( $file ) ) {
			return '';
		}

		return $wp_filesystem->get_contents( $file );
	}

	/**
	 * Write file.
	 *
	 * Runs create_folder, create_file and writes content into created file.
	 *
	 * @param string $content Content to write into file.
	 * @param string $dir_name Directory name.
	 * @param string $filename File name.
	 * @param string $filetype File type.
	 */
	public static function write_file( $content, $dir_name, $filename, $filetype = 'css' ) {
		$upload_dir = self::get_upload_path( $dir_name );

		$is_dir = self::create_folder( $upload_dir );

		if ( false === $is_dir ) {
			update_option( "cmsmasters_christian_{$dir_name}_exists", 'no' );

			return;
		}

		$file = trailingslashit( $upload_dir ) . $filename . '.' . $filetype;

		$created = self::create_file( $file, $content );

		if ( true === $created ) {
			update_option( "cmsmasters_christian_{$dir_name}_exists", 'yes' );
		}
	}

	/**
	 * Create folder.
	 *
	 * @param string $folder Folder path.
	 * @param bool $addindex Add index file to created folder.
	 *
	 * @return bool Folder condition.
	 */
	public static function create_folder( &$folder, $addindex = true ) {
		if ( is_dir( $folder ) && false === $addindex ) {
			return true;
		}

		$created = wp_mkdir_p( trailingslashit( $folder ) );

		if ( false === $addindex ) {
			return $created;
		}

		$index_file = trailingslashit( $folder ) . 'index.php';

		if ( file_exists( $index_file ) ) {
			return $created;
		}

		$wp_filesystem = self::get_wp_filesystem();

		if ( ! $wp_filesystem ) {
			return false;
		}

		$wp_filesystem->put_contents(
			$index_file,
			"<?php\n// Silence is golden.\n",
			FS_CHMOD_FILE
		);

		return $created;
	}

	/**
	 * Create File.
	 *
	 * @param string $file Path to file.
	 * @param string $content Content to write into file.
	 *
	 * @return bool File condition.
	 */
	public static function create_file( $file, $content = '' ) {
		$wp_filesystem = self::get_wp_filesystem();

		if ( ! $wp_filesystem ) {
			return false;
		}

		$created = $wp_filesystem->put_contents(
			$file,
			$content,
			FS_CHMOD_FILE
		);

		if ( false !== $created ) {
			$created = true;
		}

		return $created;
	}

	/**
	 * Delete uploaded directory.
	 *
	 * @param string $dir_name Directory name.
	 *
	 * @return bool Deleted status.
	 */
	public static function delete_uploaded_dir( $dir_name = '' ) {
		$wp_filesystem = self::get_wp_filesystem();

		if ( ! $wp_filesystem ) {
			return false;
		}

		$upload_dir = self::get_upload_path( $dir_name );

		$wp_filesystem->delete( $upload_dir, true );

		delete_option( "cmsmasters_christian_{$dir_name}_exists" );
	}

}