package com.xiaopeng.maintenance.config;

import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeFormatterBuilder;

/**
 * Jackson LocalTime 序列化/反序列化配置
 *
 * <p>兼容前端以 HH:mm（无秒）传参的场景，同时支持 HH:mm:ss（带秒）。</p>
 */
@Configuration
public class JacksonLocalTimeConfig {

    /**
     * LocalTime 反序列化：兼容 HH:mm / HH:mm:ss
     */
    @Bean
    public Jackson2ObjectMapperBuilderCustomizer localTimeDeserializerCustomizer() {
        DateTimeFormatter parseFormatter = new DateTimeFormatterBuilder()
                .appendPattern("HH:mm")
                .optionalStart()
                .appendPattern(":ss")
                .optionalEnd()
                .toFormatter();

        DateTimeFormatter writeFormatter = DateTimeFormatter.ofPattern("HH:mm");

        return builder -> {
            builder.deserializerByType(LocalTime.class, new LocalTimeDeserializer(parseFormatter));
            builder.serializerByType(LocalTime.class, new LocalTimeSerializer(writeFormatter));
        };
    }
}