package cn.stylefeng.rest.config;

import cn.hutool.core.collection.CollUtil;
import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import io.swagger.annotations.ApiOperation;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.annotations.ApiIgnore;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.ApiKey;
import springfox.documentation.service.AuthorizationScope;
import springfox.documentation.service.SecurityReference;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.List;

import static com.google.common.collect.Lists.newArrayList;

@Configuration
@EnableSwagger2
@EnableKnife4j
@ConditionalOnProperty(prefix = "guns", name = "swagger-open", havingValue = "true")
public class SwaggerConfig {

    /**
     * Swagger忽略的参数类型
     */
    private final Class<?>[] ignoredParameterTypes = new Class[]{
            ServletRequest.class,
            ServletResponse.class,
            HttpServletRequest.class,
            HttpServletResponse.class,
            HttpSession.class,
            ApiIgnore.class
    };

    @Bean
    public Docket api() {
//        // 添加header参数
//        ParameterBuilder ticketPar = new ParameterBuilder();
//        List<Parameter> pars = new ArrayList<>();
//        ticketPar.name("Authorization")
//                .defaultValue("user token")
//                .modelRef(new ModelRef("string"))
//                .parameterType("header")
//                .required(false).build();
//        pars.add(ticketPar.build());
        return new Docket(DocumentationType.SWAGGER_2).
                useDefaultResponseMessages(false)
                .apiInfo(apiInfo())
                .select()
                // 这里采用包含注解的方式来确定要显示的接口
                .apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class))
                .paths(PathSelectors.regex("^(?!auth).*$"))
                .build()
                //.globalOperationParameters(pars)
                .securitySchemes(securitySchemes())
                .securityContexts(securityContexts());
    }

    @Bean(value = "publicApi")
    public Docket publicApi() {
        String groupName = "公共接口";
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .groupName(groupName)
                .select()
                .paths(PathSelectors.ant("/public/**"))
                .apis(RequestHandlerSelectors.basePackage("cn.stylefeng"))
                .build().ignoredParameterTypes(ignoredParameterTypes);
    }

    @Bean(value = "workerApi")
    public Docket driverApi() {
        String groupName = "工作人员接口";
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .groupName(groupName)
                .select()
                .apis(RequestHandlerSelectors.basePackage("cn.stylefeng"))
                .paths(PathSelectors.ant("/worker/**"))
                .build().ignoredParameterTypes(ignoredParameterTypes)
                .securitySchemes(CollUtil.newArrayList(new ApiKey("Authorization", "Authorization", "header")))
                .securityContexts(securityContexts());
    }

    private List<ApiKey> securitySchemes() {
        return newArrayList(
                new ApiKey("Authorization", "Authorization", "header"));
    }
    private List<SecurityContext> securityContexts() {
        return newArrayList(
                SecurityContext.builder()
                        .securityReferences(defaultAuth())
                        .forPaths(PathSelectors.regex("/.*"))
                        .build()
        );
    }
    List<SecurityReference> defaultAuth() {
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[]{new AuthorizationScope("global", "accessEverything")};
        return newArrayList(
                new SecurityReference("Authorization", authorizationScopes));
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("Api接口")
//                .description("Api文档")
//                .termsOfServiceUrl("http://www.rest.com/")
                .version("1.0")
                .build();
    }

}