package com.mydreamjob.auth;

import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Modifying;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.query.Param;
import org.springframework.stereotype.Repository;

import java.time.LocalDateTime;
import java.util.List;
import java.util.Optional;

@Repository
public interface SmsVerificationCodeRepository extends JpaRepository<SmsVerificationCode, Long> {

    @Modifying(clearAutomatically = true, flushAutomatically = true)
    @Query("UPDATE SmsVerificationCode c SET c.used = true " +
            "WHERE c.id = :id AND c.used = false AND c.expiredAt > :now " +
            "AND c.attempts < c.maxAttempts")
    int consumeIfValid(@Param("id") Long id, @Param("now") LocalDateTime now);

    @Modifying(clearAutomatically = true, flushAutomatically = true)
    @Query("UPDATE SmsVerificationCode c SET c.attempts = c.attempts + 1 " +
            "WHERE c.id = :id AND c.used = false AND c.expiredAt > :now " +
            "AND c.attempts < c.maxAttempts")
    int incrementFailedAttemptsIfValid(@Param("id") Long id, @Param("now") LocalDateTime now);

    List<SmsVerificationCode> findByPhoneAndCreatedAtAfter(String phone, LocalDateTime after);

    /**
     * 按手机号+用途查询，按创建时间降序返回（最新在前）
     */
    List<SmsVerificationCode> findByPhoneAndPurposeOrderByCreatedAtDesc(String phone, String purpose);

    /**
     * 查询手机号+用途下最新的未使用验证码
     */
    @Query("SELECT c FROM SmsVerificationCode c WHERE c.phone = :phone AND c.purpose = :purpose AND c.used = false ORDER BY c.createdAt DESC")
    java.util.stream.Stream<SmsVerificationCode> streamLatestUnusedByPhoneAndPurpose(@Param("phone") String phone,
                                                                                      @Param("purpose") String purpose);

    /**
     * 按手机号+用途查询已使用的验证码（用于测试中取旧验证码）
     */
    List<SmsVerificationCode> findByPhoneAndPurposeAndUsedTrueOrderByCreatedAtDesc(String phone, String purpose);
}