Function restoreBackup

Source

export async function restoreBackup(
  backupData: BackupData,
  options?: { merge?: boolean },
): Promise<{ success: boolean; errors: string[] }> {
  const errors: string[] = [];

  try {
    console.log("[Backup] Starting restore process...");

    // Validate backup
    const validation = validateBackup(backupData);
    if (!validation.valid) {
      console.error("[Backup] Validation failed:", validation.errors);
      throw new Error(
        `Backup validation failed: ${validation.errors.join("; ")}`,
      );
    }

    // Restore each data key using helper to keep control flow simple
    for (const key of BACKUPABLE_KEYS) {
      const err = restoreKeyFromBackup(key, backupData, options);
      if (err) errors.push(err);
    }

    // Update cache version to current version after restore
    const cacheErr = updateCacheVersion();
    if (cacheErr) errors.push(cacheErr);

    if (errors.length > 0) {
      console.warn("[Backup] Restore completed with errors:", errors);
      return { success: false, errors };
    }

    console.log("[Backup] Restore completed successfully");
    return { success: true, errors: [] };
  } catch (error) {
    const message = `Restore error: ${
      error instanceof Error ? error.message : "Unknown error"
    }`;
    console.error("[Backup]", message);
    errors.push(message);
    return { success: false, errors };
  }
}
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