roomescape-refactored/src/main/kotlin/roomescape/common/config/JacksonConfig.kt

package roomescape.common.config

import com.fasterxml.jackson.databind.ObjectMapper
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer
import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer
import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer
import com.fasterxml.jackson.module.kotlin.kotlinModule
import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.Configuration
import java.time.LocalDate
import java.time.LocalTime
import java.time.format.DateTimeFormatter

@Configuration
class JacksonConfig {

    @Bean
    fun objectMapper(): ObjectMapper = ObjectMapper()
        .registerModule(javaTimeModule())
        .registerModule(kotlinModule())

    private fun javaTimeModule(): JavaTimeModule = JavaTimeModule()
        .addSerializer(
            LocalDate::class.java,
            LocalDateSerializer(DateTimeFormatter.ISO_LOCAL_DATE)
        )
        .addDeserializer(
            LocalDate::class.java,
            LocalDateDeserializer(DateTimeFormatter.ISO_LOCAL_DATE)
        )
        .addSerializer(
            LocalTime::class.java,
            LocalTimeSerializer(DateTimeFormatter.ofPattern("HH:mm"))
        )
        .addDeserializer(
            LocalTime::class.java,
            LocalTimeDeserializer(DateTimeFormatter.ofPattern("HH:mm"))
        ) as JavaTimeModule
}