package com.cloud.application.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.service.ApiKey;
import springfox.documentation.service.AuthorizationScope;
import springfox.documentation.service.Contact;
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 java.util.List;

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

/**
 * swagger文档
 *
 * @author bsk
 */
@Configuration
@EnableSwagger2
public class SwaggerConfig {

    @Bean
    public Docket docket() {
        return new Docket(DocumentationType.SWAGGER_2)
                .groupName("设备中心swagger接口文档")
                .apiInfo(
                        new ApiInfoBuilder()
                                                .title("设备中心swagger接口文档")
                                                .contact(new Contact("bsk", "", "lipeng1802@gmail.com"))
                                                .version("2.0").build()
                                )
                                .select()
                // 扫描所有有注解的api，用这种方式更灵活
//                .apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class))
//                .paths(PathSelectors.any())
                                .paths(PathSelectors.regex("/data/api-a/.*"))
                                .build()
                                .securitySchemes(securitySchemes())
                                .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("^(?!auth).*$"))
                        .build()
        );
    }

    List<SecurityReference> defaultAuth(){
        AuthorizationScope authorizationScope = new AuthorizationScope("global", "accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        return newArrayList(
                new SecurityReference("Authorization", authorizationScopes));
    }
}