package com.gkhy.exam.framework.config;

import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.TimeZone;

/**
 * 程序注解配置
 *
 * @author ruoyi
 */
@Configuration
// 表示通过aop框架暴露该代理对象,AopContext能够访问
@EnableAspectJAutoProxy(exposeProxy = true)
// 指定要扫描的Mapper类的包的路径
@MapperScan("com.gkhy.**.mapper")
public class ApplicationConfig
{
    @Value("${spring.jackson.date-format:yyyy-MM-dd HH:mm:ss}")
    private String pattern;

    /**
     * 时间序列化
     * @return
     */
    @Bean
    public Jackson2ObjectMapperBuilderCustomizer jackson2ObjectMapperBuilderCustomizer() {
        return builder -> {
            DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);

            //返回时间数据序列化
            builder.serializerByType(LocalDateTime.class, new LocalDateTimeSerializer(formatter));
            //接收时间数据反序列化
            builder.deserializerByType(LocalDateTime.class, new LocalDateTimeDeserializer(formatter));
            builder.timeZone(TimeZone.getDefault());
        };
    }
    @Bean
    public CorsFilter corsFilter() {
        final UrlBasedCorsConfigurationSource urlBasedCorsConfigurationSource = new UrlBasedCorsConfigurationSource();
        final CorsConfiguration corsConfiguration = new CorsConfiguration();
        //是否允许请求带有验证信息
        corsConfiguration.setAllowCredentials(true);
        // 允许访问的客户端域名
        corsConfiguration.addAllowedOriginPattern("*");
        // 允许服务端访问的客户端请求头
        corsConfiguration.addAllowedHeader("*");
        // 允许访问的方法名,GET POST等
        corsConfiguration.addAllowedMethod("*");
        urlBasedCorsConfigurationSource.registerCorsConfiguration("/**", corsConfiguration);
        return new CorsFilter(urlBasedCorsConfigurationSource);
    }
}