package eu.dnetlib.dnetrolemanagement.config.security;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
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.Contact;
import springfox.documentation.service.Parameter;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.Collections;
import java.util.List;

/**
 * Swagger configuration class
 */
@Configuration
@Profile({"swagger"})
@EnableSwagger2
public class SwaggerConfig {

    private Logger logger = LoggerFactory.getLogger(SwaggerConfig.class);

    @Bean
    public Docket createRestApi() {
        logger.info("SwaggerConfig for Dnet Role Management");
        return new Docket(DocumentationType.SWAGGER_2)
                .globalOperationParameters(globalParameterList())
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("eu.dnetlib.dnetrolemanagement.controller"))
                .paths(PathSelectors.any())
                .build();
    }

    private ApiInfo apiInfo() {
        logger.info("SwaggerConfig Dnet Role Management API information");
        return new ApiInfoBuilder()
                .title("Dnet Role Management Document")  // title
                .description("Api documentation")  // description
                .version("1.0") // version
                .contact(new Contact("Konstantinos Triantafyllou",
                        "https://code-repo.d4science.org/k.triantafyllou/dnet-role-management", "k.triantafyllou@di.uoa.gr")) // contact information
                .build();
    }

    private List<Parameter> globalParameterList() {
        Parameter authTokenHeader = new ParameterBuilder()
                        .name("Session") // name of the header
                        .modelRef(new ModelRef("string")) // data-type of the header
                        .required(false)
                        .parameterType("header")
                        .description("Session ID")
                        .build();
        return Collections.singletonList(authTokenHeader);
    }

}