package com.terra.system.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
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.annotation.Resource;
import java.util.ArrayList;
import java.util.List;

/**
 * Swagger配置类
 * @author www
 */
@Configuration
@EnableSwagger2
public class SwaggerConfig {
    @Resource
    Environment env;

    private List<ApiKey> securitySchemes() {
        List<ApiKey> apiKeys = new ArrayList<ApiKey>();
        apiKeys.add(new ApiKey("Authorization", "token", "header"));

        return apiKeys;
    }

    private List<SecurityContext> securityContexts() {
        List<SecurityContext> securityContexts = new ArrayList<>();
        securityContexts.add(SecurityContext.builder()
                .securityReferences(defaultAuth())
                .forPaths(PathSelectors.regex("^(?!auth).*$")).build());

        return securityContexts;
    }

    private List<SecurityReference> defaultAuth() {
        AuthorizationScope authorizationScope = new AuthorizationScope("global", "accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        List<SecurityReference> securityReferences = new ArrayList<>();
        securityReferences.add(new SecurityReference("Authorization", authorizationScopes));

        return securityReferences;
    }

    @Bean
    public Docket createRestApi() {
        String swaggerEnable = env.getProperty("sys.swaggerEnable");
        boolean enable = "true".equals(swaggerEnable);

        return new Docket(DocumentationType.SWAGGER_2)
                .enable(enable)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.terra.system.controller"))
                //.securitySchemes(securitySchemes())
                //.securityContexts(securityContexts())
                .paths(PathSelectors.any()).build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("接口API")
                .description("接口API")
                .version("1.0").build();
    }
}