package kr.wisestone.owl.config;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

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.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Parameter;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

/**
 * API 문서 제작 패키지 Swagger 설정 클래스
 */
@Configuration
@EnableSwagger2
public class SwaggerConfig {

    private static final String API_NAME = "OWL API";
    private static final String API_VERSION = "1.0.0";
    private static final String API_DESCRIPTION = "OWL API 명세서";


    /**
     * API 설정
     * @return docket class
     */
    @Bean
    public Docket api() {
//        Parameter parameterBuilder = new ParameterBuilder()
//                .name(HttpHeaders.AUTHORIZATION)
//                .description("Access Tocken")
//                .modelRef(new ModelRef("string"))
//                .parameterType("header")
//                .required(false)
//                .build();

        List<Parameter> globalParameters = new ArrayList<>();
//        globalParameters.add(parameterBuilder);

        return new Docket(DocumentationType.SWAGGER_2)
                .globalOperationParameters(globalParameters)
                .consumes(getConsumeContentTypes())
                .produces(getProduceContentTypes())
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("kr.wisestone.owl.web.controller.Api"))
                .paths(PathSelectors.any())
                .build();
    }


    /**
     * API 문서 타이틀/버전/설명 설정
     * @return ApiInfo 클래스
     */
    public ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title(API_NAME)
                .version(API_VERSION)
                .description(API_DESCRIPTION)
                .build();
    }


    /**
     * API 문서 테스트 Request Content-Type 설정 추가
     * @return consumes content-type 목록
     */
    private Set<String> getConsumeContentTypes() {
        Set<String> consumes = new HashSet<>();
        consumes.add("");
        return consumes;
    }

    /**
     * API 문서 테스트 Response content-type 설정 추가
     * @return produce content-type 목록
     */
    private Set<String> getProduceContentTypes() {
        Set<String> produces = new HashSet<>();
        produces.add("application/json;charset=UTF-8");
        return produces;
    }
}