package com.mosty.lzother.config;

import com.alibaba.fastjson.JSON;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
import com.mosty.common.token.SysUserInterceptor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.*;

import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.util.List;

/**
 *  单体服务拦截器
 * @author kevin
 * @date 2022/3/21 11:17 PM
 * @since 1.0.0
 */
@Configuration
@Slf4j
public class WebMvcConfig implements WebMvcConfigurer, InitializingBean {

    private static final String DEFAULT_TIME_FORMAT = "HH:mm:ss";
    private static final String DEFAULT_DATE_FORMAT = "yyyy-MM-dd";
    private static final String DEFAULT_DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";

    @Value("${server.servlet.context-path:/}")
    private String contextPath;

    @Autowired
    private GlobalYmlConfig globalYmlConfig;

    @Override
    public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        ObjectMapper objectMapper = converter.getObjectMapper();
        // 生成JSON时,将所有Long转换成String
        SimpleModule simpleModule = new SimpleModule();
        //日期格式化
        simpleModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_TIME_FORMAT)));
        simpleModule.addSerializer(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_FORMAT)));
        simpleModule.addSerializer(LocalTime.class, new LocalTimeSerializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_FORMAT)));
        simpleModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_TIME_FORMAT)));
        simpleModule.addDeserializer(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_FORMAT)));
        simpleModule.addDeserializer(LocalTime.class, new LocalTimeDeserializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_FORMAT)));
        objectMapper.registerModule(simpleModule);
        // 时间格式化
        objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
        objectMapper.configure(JsonGenerator.Feature.WRITE_BIGDECIMAL_AS_PLAIN, true);
        objectMapper.configure(JsonGenerator.Feature.IGNORE_UNKNOWN, true);
        objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
        objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
        // 设置格式化内容
        converter.setObjectMapper(objectMapper);
        converters.add(0, converter);
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        log.info("当前服务的 contextPath={}", contextPath);
        log.info("当前服务的 swaggerExcludePathPatterns={}", JSON.toJSONString(globalYmlConfig.getSwagger()));
    }

    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
    }

    @Override
    public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
        configurer.defaultContentType(MediaType.APPLICATION_JSON);
    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(userInfoInterceptor()).addPathPatterns("/**")
                .excludePathPatterns(globalYmlConfig.getSwagger());
        log.info("初始化WebMvcConfig 监控拦截器SysUserInterceptor");
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        if (!registry.hasMappingForPattern("/template/**")) {
            registry.addResourceHandler("/template/**").addResourceLocations("classpath:/template/");
        }
        registry.addResourceHandler("swagger-ui.html")
                .addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("docs.html")
                .addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**")
                .addResourceLocations("classpath:/META-INF/resources/webjars/");
        WebMvcConfigurer.super.addResourceHandlers(registry);
    }

    @Bean
    public SysUserInterceptor userInfoInterceptor() {
        log.info("初始化WebMvcConfig 拦截器SysUserInterceptor");
        return new SysUserInterceptor();
    }
}