package com.saas.admin.repository;

import com.saas.admin.entity.CallerIdMapping;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;

import java.util.List;
import java.util.Optional;

@Repository
public interface CallerIdMappingRepository extends JpaRepository<CallerIdMapping, Long> {

    /**
     * Find mapping by caller phone number (From field)
     * Used for tenant resolution in call forwarding scenarios
     */
    Optional<CallerIdMapping> findByFromPhoneNumberAndIsActive(String fromPhoneNumber, Boolean isActive);

    /**
     * Find all mappings for a specific tenant (paginated)
     */
    Page<CallerIdMapping> findByTenantId(String tenantId, Pageable pageable);

    /**
     * Find all active mappings for a tenant
     */
    List<CallerIdMapping> findByTenantIdAndIsActive(String tenantId, Boolean isActive);

    /**
     * Check if a caller phone number already exists (for validation)
     */
    boolean existsByFromPhoneNumber(String fromPhoneNumber);

    /**
     * Count mappings per tenant (for quota limits)
     */
    long countByTenantId(String tenantId);
}