package com.example.demo.config;

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

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

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.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;

@Configuration
public class SwaggerConfig {

	public static final String HEADER_AUTHORIZATION = "Authorization";

	private ApiKey apiKey() {
		return new ApiKey("JWT", HEADER_AUTHORIZATION, "header");
	}

	private ApiInfo apiInfo() {
		return new ApiInfo("Adserver Website", "Spring Boot Adserver Searching Website API Documentation", "1",
				"Terms of service", new Contact("Adserver", "Adserver.net", "adserver@gmail.com"), "License of API",
				"API License URL", Collections.emptyList());
	}

	@Bean
	public Docket api() {
		return new Docket(DocumentationType.SWAGGER_2).apiInfo(apiInfo())
				.securityContexts(Arrays.asList(securityContext())).securitySchemes(Arrays.asList(apiKey())).select()
				.apis(RequestHandlerSelectors.any()).paths(PathSelectors.any()).build();
	}

	private SecurityContext securityContext() {
		return SecurityContext.builder().securityReferences(defaultAuth()).build();
	}

	private List<SecurityReference> defaultAuth() {
		AuthorizationScope authorizationScope = new AuthorizationScope("global", "accessEverything");
		AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
		authorizationScopes[0] = authorizationScope;
		return Arrays.asList(new SecurityReference("JWT", authorizationScopes));
	}

}