package com.cl.config;



import com.cl.common.json.JacksonObjectMapper;
import com.cl.interceptor.JwtTokenInterceptor;
import com.cl.util.LoginAttemptService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.ParameterBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.schema.ModelRef;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Parameter;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.ArrayList;
import java.util.List;

/**
 * 配置类，注册web层相关组件
 */
@Configuration
@Slf4j
public class WebMvcConfiguration extends WebMvcConfigurationSupport {

    @Autowired
    private JwtTokenInterceptor jwtTokenInterceptor;



    /**
     * 注册自定义拦截器
     *
     * @param registry
     */
    protected void addInterceptors(InterceptorRegistry registry) {
        log.info("开始注册自定义拦截器...");
        registry.addInterceptor(jwtTokenInterceptor)
                .addPathPatterns("/user/**","/data/**","/institution/**")
                .excludePathPatterns("/user/login","user/loginOut","/user/passwordBeforeLogin","/data/screen",
                        "/institution/getAll/**","/data/getYearList","/data/getAssistiveDeviceTotal");
    }

    /**
     * 通过knife4j生成接口文档
     * @return
     */
    @Bean
    public Docket docket() {
        ApiInfo apiInfo = new ApiInfoBuilder()
                .title("残联大屏项目接口文档")
                .version("3.0")
                .description("残联大屏项目接口文档")
                .build();
        // 定义请求头参数
        ParameterBuilder tokenParamBuilder = new ParameterBuilder();
        tokenParamBuilder.name("token") // 参数名
                .description("请求头token") // 描述
                .modelRef(new ModelRef("string"))
                .parameterType("header") // 参数类型为请求头
                .required(false) // 是否必填
                .build();
        List<Parameter> parameters = new ArrayList<>();
        parameters.add(tokenParamBuilder.build());
        Docket docket = new Docket(DocumentationType.SWAGGER_2)

                .select()
                .apis(RequestHandlerSelectors.basePackage("com.cl.controller"))
                .paths(PathSelectors.any())
                .build()
                .globalOperationParameters(parameters)
                .apiInfo(apiInfo); // 全局设置请求头参数;
        return docket;
    }


    /**
     * 设置静态资源映射
     * @param registry
     */
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        // For Springfox 3.x
        registry.addResourceHandler("/swagger-ui/**")
                .addResourceLocations("classpath:/META-INF/resources/webjars/springfox-swagger-ui/")
                .resourceChain(false);

    }

    /**
     * 扩展Spring MVC框架的消息转换器
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器");
        //创建一个消息装换器对象
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        //需要为消息转换器设置一个对象转换器，对象装换器可以将java对象序列化为json数据
        converter.setObjectMapper(new JacksonObjectMapper());
        //将自己的消息转换器加入到容器中
        converters.add(0,converter);
    }

    /**
     * 登录密码错误次数校验
     */
    @Bean
    public LoginAttemptService loginAttemptService() {
        return new LoginAttemptService();
    }
}