package top.sharehome.springbootinittemplate.config.json;

import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import jakarta.annotation.PostConstruct;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.boot.jackson.JsonComponent;
import org.springframework.context.annotation.Bean;
import top.sharehome.springbootinittemplate.config.json.serializer.BigNumberSerializer;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.TimeZone;

/**
 * SpringMVC JSON 配置
 *
 * @author AntonyCheng
 */
@JsonComponent
@Slf4j
public class JsonConfiguration {

    /**
     * 添加 Long 转 json 精度丢失的配置
     *
     * @return Json自定义处理器
     */
    @Bean
    public Jackson2ObjectMapperBuilderCustomizer customizer() {
        return builder -> {
            // 全局配置序列化返回 JSON 处理
            JavaTimeModule javaTimeModule = new JavaTimeModule();
            javaTimeModule.addSerializer(Long.class, BigNumberSerializer.instance);
            javaTimeModule.addSerializer(Long.TYPE, BigNumberSerializer.instance);
            javaTimeModule.addSerializer(BigInteger.class, BigNumberSerializer.instance);
            javaTimeModule.addSerializer(BigDecimal.class, ToStringSerializer.instance);
            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
            javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(formatter));
            javaTimeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(formatter));
            builder.modules(javaTimeModule);
            builder.timeZone(TimeZone.getDefault());
        };
    }

    /**
     * 依赖注入日志输出
     */
    @PostConstruct
    private void initDi() {
        log.info("############ {} Configuration DI.", this.getClass().getSimpleName().split("\\$\\$")[0]);
    }

}