<?php
/**
 * HTML 1 Stash View
 *
 * @package BackupBuddy
 */

global $wp_version;
$wp_version = 1;

/**
 * Stash API Function
 *
 * @param array  $settings           Settings array.
 * @param string $action             API Action call.
 * @param array  $additional_params  Array of additional parameters.
 *
 * @return string|array  Error string or JSON response array.
 */
function stashAPI( $settings, $action, $additional_params = array() ) {
	$api_url = 'https://stash-api.ithemes.com';

	global $wp_version;
	$url_params = array(
		'action'    => $action,
		'user'      => $settings['itxapi_username'],
		'wp'        => $wp_version,
		'bb'        => 0,
		'ib'        => pb_backupbuddy::$options['bb_version'],
		'site'      => 'importbuddy',
		'timestamp' => time(),
	);

	if ( isset( $settings['itxapi_password'] ) ) { // Used on initital connection to
		$params = array( 'auth_token' => $settings['itxapi_password'] ); // itxapi_password is a HASH of user's password.
	} elseif ( isset( $settings['itxapi_token'] ) ) { // Used on initital connection to
		$params = array( 'token' => $settings['itxapi_token'] ); // itxapi_password is a HASH of user's password.
	} else {
		$error = 'BackupBuddy Error #793749436: No valid token (itxapi_token) or hashed password (itxapi_password) specified. This should not happen.';
		trigger_error( $error, E_USER_NOTICE );
		return $error;
	}

	$params = array_merge( $params, $additional_params );
	$body   = array( 'request' => json_encode( $params ) );

	$post_url = $api_url . '/?' . http_build_query( $url_params, null, '&' );

	$request = new RequestCore( $post_url );
	$request->set_method( 'POST' );
	$request->set_body( $body );
	$response = $request->send_request( true );

	if ( ! $response->isOK() ) {
		pb_backupbuddy::status( 'error', 'Stash request for files failed.' );
		return $response->body;
	} else {
		// See if we got a json response.
		$response_decoded = json_decode( $response->body, true );
		if ( ! $response_decoded ) {
			pb_backupbuddy::status( 'error', 'Stash did not get valid json response.' );
		}

		// Finally see if the API returned an error.
		if ( isset( $response_decoded['error'] ) ) {
			if ( isset( $response_decoded['error']['message'] ) ) {
				$error = 'Error #39752893a. Server reported an error performing action `' . $action . '` with additional params: `' . print_r( $additional_params, true ) . '`. Details: `' . print_r( $response_decoded['error'], true ) . '`.';
				pb_backupbuddy::status( 'warning', $error );
				return $response_decoded['error']['message'];
			} else {
				$error = 'Error #3823973. Received Stash API error but no message found. Details: `' . print_r( $response_decoded, true ) . '`.';
				pb_backupbuddy::status( 'warning', $error );
				return $error;
			}
		} else { // NO ERRORS.
			return $response_decoded;
		}
	}
}
?>

<style>
.widefat td {
	padding: 20px 7px;
	font-size: 14px;
}
.widefat td a:hover {
	text-decoration: none;
}
.widefat td form {
	margin-top: -12px;
	font-size: 12px;
}
.stash_backup_file {
	font-size: 1.2em;
}
</style>
<?php
$ITXAPI_KEY = 'ixho7dk0p244n0ob'; // Move to a constant?
$ITXAPI_URL = 'http://api.ithemes.com'; // Move to a constant?

$credentials_form = new pb_backupbuddy_settings( 'pre_settings', false, 'upload=stash#pluginbuddy-tabs-stash' ); // name, savepoint|false, additional querystring.

$credentials_form->add_setting(
	array(
		'type'  => 'text',
		'name'  => 'itxapi_username',
		'title' => __( 'iThemes username', 'it-l10n-backupbuddy' ),
		'rules' => 'required|string[1-45]',
	)
);
$credentials_form->add_setting(
	array(
		'type'  => 'password',
		'name'  => 'itxapi_password_raw',
		'title' => __( 'iThemes password', 'it-l10n-backupbuddy' ),
		'rules' => 'required|string[1-45]',
	)
);

$settings_result = $credentials_form->process();
$login_welcome   = '<center>' . __( 'Log in to Stash with your iThemes.com member account.', 'it-l10n-backupbuddy' ) . '<br><br>';

if ( count( $settings_result ) === 0 ) { // No form submitted.

	echo $login_welcome;
	$credentials_form->display_settings( 'Connect to Stash' );

} else { // Form submitted.
	if ( count( $settings_result['errors'] ) > 0 ) { // Form errors.
		echo $login_welcome;

		pb_backupbuddy::alert( implode( '<br>', $settings_result['errors'] ) );
		$credentials_form->display_settings( 'Connect to Stash' );

	} else { // No form errors; process!

		require_once dirname( dirname( __FILE__ ) ) . '/lib/requestcore/requestcore.class.php';
		require_once dirname( dirname( __FILE__ ) ) . '/lib/stash2/class.itx_helper2.php';

		global $wp_version;
		$itxapi_username = strtolower( $settings_result['data']['itxapi_username'] );
		$password_hash   = iThemes_Credentials::get_password_hash( $itxapi_username, $settings_result['data']['itxapi_password_raw'] );
		$access_token    = ITXAPI_Helper2::get_access_token( $itxapi_username, $password_hash, 'importbuddy', $wp_version );

		$settings = array(
			'itxapi_username' => $itxapi_username,
			'itxapi_password' => $access_token,
		);
		$response = stashAPI( $settings, 'connect' );

		$logged_in = false;
		if ( ! is_array( $response ) ) { // Error message.
			pb_backupbuddy::alert( 'Error #3983794 from server: `' . print_r( $response, true ) . '`.' );
			$credentials_form->display_settings( 'Submit' );
		} else {
			if ( isset( $response['error'] ) ) {
				pb_backupbuddy::alert( 'Error: ' . $response['error']['message'] );
				$credentials_form->display_settings( 'Submit' );
			} else {
				if ( isset( $response['token'] ) ) {
					$settings['itxapi_token'] = $response['token'];
					$itxapi_token             = $settings['itxapi_token'];
					unset( $settings['itxapi_password'] ); // No longern eeded since we have token now.
					$logged_in = true;
				} else {
					pb_backupbuddy::alert( 'Error #34974734323: Unexpected server response. Token missing. Check your login and try again. Detailed response: `' . print_r( $response, true ) . '`.' );
					$credentials_form->display_settings( 'Submit' );
				}
			}
		}

		if ( true === $logged_in ) {
			// Get files.
			$stash_files = stashAPI( $settings, 'files' );

			// Finally see if the API returned an error.
			if ( ! is_array( $stash_files ) ) {
				pb_backupbuddy::alert( 'Stash Error: ' . $stash_files );
				$credentials_form->display_settings( 'Submit' );
			} else { // NO ERRORS.


				// Sort in order & exclude unwanted backup types.
				$backup_list_temp = array();
				foreach ( (array) $stash_files as $i => $stash_file ) {
					$file     = $stash_file['filename'];
					$url      = $stash_file['url'];
					$size     = $stash_file['size'];
					$modified = $stash_file['uploaded_timestamp'];

					// Avoid collion for sorting.
					while ( isset( $backup_list_temp[ $modified ] ) ) {
						$modified += 0.1;
					}

					if ( 'db' == $stash_file['backup_type'] ) {
						$backup_type = 'Database';
					} elseif ( 'full' == $stash_file['backup_type'] ) {
						$backup_type = 'Full';
					} elseif ( 'themes' == $stash_file['backup_type'] ) { // Omit from list.
						unset( $stash_files[ $i ] );
						continue;
					} elseif ( 'plugins' == $stash_file['backup_type'] ) { // Omit from list.
						unset( $stash_files[ $i ] );
						continue;
					} elseif ( 'media' == $stash_file['backup_type'] ) { // Omit from list.
						unset( $stash_files[ $i ] );
						continue;
					} elseif ( 'files' == $stash_file['backup_type'] ) {
						$backup_type = 'Files';
					} else {
						$backup_type = 'Unknown';
						continue;
					}
					$stash_file['backup_type_pretty'] = $backup_type;

					$backup_list_temp[ $modified ] = $stash_file;
				}
				krsort( $backup_list_temp );
				$stash_files = $backup_list_temp;
				unset( $backup_list_temp );


				// Split up into sites.
				$backup_lists = array();
				foreach ( $stash_files as $stash_file ) {
					$backup_lists[ $stash_file['site'] ][] = $stash_file;
				}
				unset( $stash_files );


				// Render table listing files.
				if ( count( $backup_lists ) == 0 ) {
					echo '<b>';
					esc_html_e( 'You have not sent any backups to Stash yet (or files are still transferring).', 'it-l10n-backupbuddy' );
					echo '</b>';
				} else {

					// Loop through each site.
					foreach ( $backup_lists as $stash_files ) { // Each site.

						// Loop through each file within this site.
						$display_list = array();
						foreach ( $stash_files as $stash_file ) { // Each backup in site.
							$site = $stash_file['site'];

							$display_list[] = array(
								$stash_file['backup_type_pretty'],
								'<span class="stash_backup_file">' . pb_backupbuddy::$format->date( pb_backupbuddy::$format->localize_time( $stash_file['uploaded_timestamp'] ), 'l, F j, Y - g:i A' ) . '</span> <span class="description">(' . pb_backupbuddy::$format->time_ago( $stash_file['uploaded_timestamp'] ) . ' ago)</span></a><br><a href="' . $stash_file['url'] . '">' . $stash_file['basename'] . '</a>',
								pb_backupbuddy::$format->file_size( $stash_file['size'] ),
								'<form action="?#pluginbuddy-tabs-server" method="POST">
									<input type="hidden" name="pass_hash" value="' . PB_PASSWORD . '">
									<input type="hidden" name="upload" value="stash">
									<input type="hidden" name="options" value="' . htmlspecialchars( serialize( pb_backupbuddy::$options ) ) . '">
									<input type="hidden" name="link" value="' . $stash_file['url'] . '">
									<input type="submit" name="submit" value="Restore" class="button-primary">
								</form>',

							);
						}

						echo '<h3>Site: ' . esc_html( $site ) . '</h3>';
						pb_backupbuddy::$ui->list_table(
							$display_list,
							array(
								'columns' => array( 'Type', 'Uploaded<img src="' . pb_backupbuddy::plugin_url() . '/images/sort_down.png" style="vertical-align: 0px;" title="Sorted most recent first"><span class="description">(Click to download)</span>', 'File Size', 'Action' ),
								'css'     => 'width: 100%;',
							)
						);
						echo '<br><br>';

					}
				}
			} // end no errors getting file info from API.
		} else { // end logged in.
			pb_backupbuddy::alert( 'Stash Login Error.' );
			$credentials_form->display_settings( 'Submit' );
		}
	}
} // end form submitted.

?>

<br><hr>
<center>
	<a href="https://sync.ithemes.com/stash" target="_blank" class="button button-secondary">Manage your Stash files via iThemes Sync</a>
</center>
<br>
