import { useCallback } from 'react';
import { usePersSDK } from '../providers/PersSDKProvider';
import type { TenantPublicDTO, TenantClientConfigDTO, AdminDTO, PaginatedResponseDTO } from '@explorins/pers-sdk';

export const useTenants = () => {
  const { sdk, isInitialized } = usePersSDK();

  const getTenantInfo = useCallback(async (): Promise<TenantPublicDTO> => {
    if (!isInitialized || !sdk) {
      throw new Error('SDK not initialized. Call initialize() first.');
    }
    
    try {
      const result = await sdk.tenants.getTenantInfo();
      return result;
    } catch (error) {
      console.error('Failed to fetch tenant info:', error);
      throw error;
    }
  }, [sdk, isInitialized]);

  const getClientConfig = useCallback(async (): Promise<TenantClientConfigDTO> => {
    if (!isInitialized || !sdk) {
      throw new Error('SDK not initialized. Call initialize() first.');
    }
    
    try {
      const result = await sdk.tenants.getClientConfig();
      return result;
    } catch (error) {
      console.error('Failed to fetch client config:', error);
      throw error;
    }
  }, [sdk, isInitialized]);

  const getLoginToken = useCallback(async (): Promise<string> => {
    if (!isInitialized || !sdk) {
      throw new Error('SDK not initialized. Call initialize() first.');
    }
    
    try {
      const result = await sdk.tenants.getLoginToken();
      return result;
    } catch (error) {
      console.error('Failed to fetch login token:', error);
      throw error;
    }
  }, [sdk, isInitialized]);

  const getAdmins = useCallback(async (): Promise<PaginatedResponseDTO<AdminDTO>> => {
    if (!isInitialized || !sdk) {
      throw new Error('SDK not initialized. Call initialize() first.');
    }
    
    try {
      const result = await sdk.tenants.getAdmins();
      return result;
    } catch (error) {
      console.error('Failed to fetch admins:', error);
      throw error;
    }
  }, [sdk, isInitialized]);

  return {
    getTenantInfo,
    getClientConfig,
    getLoginToken,
    getAdmins,
    isAvailable: isInitialized && !!sdk?.tenants,
  };
};

export type TenantHook = ReturnType<typeof useTenants>;