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<?php

/*
Provides license key management.
Written by Chris Jean for iThemes.com
Version 1.0.2

Version History
	1.0.0 - 2013-04-11 - Chris Jean
		Release ready
	1.0.1 - 2013-09-19 - Chris Jean
		Updated requires to no longer use dirname().
	1.0.2 - 2014-10-23 - Chris Jean
		Updated code to meet WordPress coding standards.
*/

class Ithemes_Updater_Keys {
	private static $option_name = 'ithemes-updater-keys';

public static function get( $packages = array() ) {
		require_once( $GLOBALS['ithemes_updater_path'] . '/functions.php' );
		$all_keys = Ithemes_Updater_Functions::get_site_option( self::$option_name );

if ( false === $all_keys ) {
			$GLOBALS['ithemes-updater-keys-db-failure'] = true;
		} else {
			$GLOBALS['ithemes-updater-keys-db-failure'] = false;
		}
		if ( ! is_array( $all_keys ) ) {
			$all_keys = array();
		}

if ( '__all__' == $packages ) {
			return $all_keys;
		}

if ( empty( $packages ) ) {
			require_once( $GLOBALS['ithemes_updater_path'] . '/packages.php' );
			$packages = array_unique( array_values( Ithemes_Updater_Packages::get_all() ) );
		}

$keys = array();

foreach ( (array) $packages as $package ) {
			if ( ! empty( $all_keys[$package] ) ) {
				$keys[$package] = $all_keys[$package];
			}
		}

if ( ! is_array( $packages ) ) {
			return $keys[$packages];
		}

return $keys;
	}

public static function set( $new_keys, $key = false ) {
		$keys = self::get( '__all__' );

if ( false === $key ) {
			foreach ( $new_keys as $package => $key ) {
				$keys[$package] = $key;
			}
		} else {
			$keys[$new_keys] = $key;
		}

if ( ! isset( $GLOBALS['ithemes-updater-keys-db-failure'] ) || false === $GLOBALS['ithemes-updater-keys-db-failure'] ) {
			update_site_option( self::$option_name, $keys );
		}
	}

private static function get_legacy_slug( $raw_slug ) {
		$slug = str_replace( '_', '-', $raw_slug );
		$slug = preg_replace( '/^(pluginbuddy|ithemes|it)-/', '', $slug );

if ( 'boom-bar' == $slug ) {
			$slug = 'boombar';
		}

return $slug;
	}

public static function delete_legacy( $packages = array() ) {
		if ( ! is_array( $packages ) ) {
			$packages = array( $packages );
		}

$data = get_site_option( 'pluginbuddy_plugins', false );

$remaining_count = 0;

foreach ( $data as $index => $entry ) {
			if ( ! is_object( $entry ) || empty( $entry->slug ) ) {
				continue;
			}

$slug = self::get_legacy_slug( $entry->slug );

if ( in_array( $slug, $packages ) ) {
				unset( $data[$index] );
			} else {
				$remaining_count++;
			}
		}

if ( 0 == $remaining_count ) {
			$data = false;
		}

update_site_option( 'pluginbuddy_plugins', $data );
	}

public static function get_legacy( $packages = array() ) {
		$data = get_site_option( 'pluginbuddy_plugins', false );

if ( empty( $data ) || ! is_array( $data ) ) {
			return array();
		}

$keys = array();

foreach ( $data as $index => $entry ) {
			if ( ! is_object( $entry ) || empty( $entry->slug ) || ! isset( $entry->key ) ) {
				continue;
			}

$slug = self::get_legacy_slug( $entry->slug );
			$keys[$slug] = $entry->key;
		}

foreach ( array_keys( $keys ) as $slug ) {
			if ( ! isset( $data[$slug] ) ) {
				continue;
			}

$entry = $data[$slug];

if ( ! is_object( $entry ) || empty( $entry->slug ) || empty( $entry->key ) ) {
				continue;
			}

$keys[$slug] = $entry->key;
		}

if ( empty( $packages ) ) {
			require_once( $GLOBALS['ithemes_updater_path'] . '/packages.php' );
			$packages = array_unique( array_values( Ithemes_Updater_Packages::get_all() ) );
		} else if ( is_string( $packages ) ) {
			if ( ! empty( $keys[$packages] ) ) {
				return $keys[$packages];
			}

return false;
		}

$package_keys = array();

foreach ( $packages as $package ) {
			if ( ! empty( $keys[$package] ) ) {
				$package_keys[$package] = $keys[$package];
			}
		}

return $package_keys;
	}
}