/**
 * Storage List Command
 * List all configured backup storage destinations
 */

import { getStorageCredentials, listBackupStorages } from '../../services/backup-storage';
import { celiloIntro } from '../prompts';
import type { CommandResult } from '../types';

export async function handleStorageList(
  _args: string[],
  _flags: Record<string, boolean | string> = {},
): Promise<CommandResult> {
  try {
    celiloIntro('Backup Storage Destinations');

    const storages = listBackupStorages();

    if (storages.length === 0) {
      console.log('No backup storage destinations configured.\n');
      console.log('Add storage:');
      console.log('  celilo storage add local');
      console.log('  celilo storage add s3');
      return { success: true, message: 'No storage destinations found' };
    }

    console.log('');
    for (const storage of storages) {
      const statusIcon = storage.verified ? '✓' : '✗';
      const statusText = storage.verified ? 'Verified' : 'Not Verified';
      const defaultTag = storage.isDefault ? ' (default)' : '';

      console.log(`${statusIcon} ${storage.storageId}${defaultTag} (${storage.name})`);
      console.log(`  Provider: ${storage.providerName}`);

      // Show provider-specific details
      try {
        const creds = await getStorageCredentials(storage.id);
        if (storage.providerName === 'local' && 'path' in creds) {
          console.log(`  Path:     ${creds.path}/celilo-backups/`);
        } else if (storage.providerName === 's3' && 'bucket' in creds) {
          const s3 = creds as { bucket: string; endpoint: string };
          console.log(`  Bucket:   ${s3.bucket}`);
          console.log(`  Endpoint: ${s3.endpoint}`);
        }
      } catch {
        // Credentials may fail to decrypt — skip details
      }

      console.log(`  Status:   ${statusText}`);
      if (storage.verifiedAt) {
        console.log(`  Verified: ${storage.verifiedAt.toISOString()}`);
      }
      if (storage.verificationError) {
        console.log(`  Error:    ${storage.verificationError}`);
      }
      console.log(`  Created:  ${storage.createdAt.toISOString()}`);
      console.log('');
    }

    console.log(
      `Total: ${storages.length} storage destination${storages.length === 1 ? '' : 's'}\n`,
    );

    return { success: true, message: `Found ${storages.length} storage destination(s)` };
  } catch (error) {
    return {
      success: false,
      error: `Failed to list storage: ${error instanceof Error ? error.message : String(error)}`,
    };
  }
}