package com.plumstep;

import org.apache.http.client.HttpClient;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.ssl.SSLContexts;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpStatus;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.web.client.DefaultResponseErrorHandler;
import org.springframework.web.client.RestTemplate;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import javax.net.ssl.SSLContext;

@SpringBootApplication
@EnableSwagger2
public class ServerApplication {
    @Value("${server.ssl.trust-store-password}")
    private String trustStorePassword;
    @Value("${server.ssl.trust-store}")
    private Resource trustResource;
    @Value("${server.ssl.key-store-password}")
    private String keyStorePassword;
    @Value("${server.ssl.key-password}")
    private String keyPassword;
    @Value("${server.ssl.key-store}")
    private Resource keyStore;

    public static void main(String[] args) {
        SpringApplication.run(ServerApplication.class, args);
    }

    @Bean
    public Docket api() {
        return new Docket(DocumentationType.SWAGGER_2)
                .select()
                .apis(RequestHandlerSelectors.any())
                .paths(PathSelectors.any())
                .build();
    }

    @Bean
    public RestTemplate restTemplate() throws Exception {
        RestTemplate restTemplate = new RestTemplate(clientHttpRequestFactory());
        restTemplate.setErrorHandler(
                new DefaultResponseErrorHandler() {
                    @Override
                    protected boolean hasError(HttpStatus statusCode) {
                        return false;
                    }
                });

        return restTemplate;
    }

    private ClientHttpRequestFactory clientHttpRequestFactory() throws Exception {
        return new HttpComponentsClientHttpRequestFactory(httpClient());
    }

    private HttpClient httpClient() throws Exception {
        // Load our keystore and truststore containing certificates that we trust.
        SSLContext sslcontext =
                SSLContexts.custom().loadTrustMaterial(trustResource.getFile(), trustStorePassword.toCharArray())
                        .loadKeyMaterial(keyStore.getFile(), keyStorePassword.toCharArray(),
                                keyPassword.toCharArray()).build();
        SSLConnectionSocketFactory sslConnectionSocketFactory =
                new SSLConnectionSocketFactory(sslcontext, new NoopHostnameVerifier());
        return HttpClients.custom().setSSLSocketFactory(sslConnectionSocketFactory).build();
    }
}