/*
 * Copyright (C) 2008-2021, Juick
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.juick.config;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.juick.ActivityPubManager;
import com.juick.KeystoreManager;
import com.juick.util.ActivityPubRequestInterceptor;
import com.juick.www.WebApp;
import com.juick.www.api.activity.converters.UserToActorConverter;

import com.juick.www.api.activity.helpers.ProfileUriBuilder;
import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.client.RestTemplate;
import javax.inject.Inject;

import java.nio.charset.StandardCharsets;

@Configuration
public class ActivityPubConfig {
    @Inject
    ActivityPubClientErrorHandler activityPubClientErrorHandler;
    @Inject
    ObjectMapper jsonMapper;
    @Inject
    KeystoreManager keystoreManager;
    @Inject
    WebApp webApp;
    @Value("${ap_base_uri:http://localhost:8080/}")
    private String baseUri;

    @Bean
    MappingJackson2HttpMessageConverter mappingJacksonHttpMessageConverter() {
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        converter.setObjectMapper(jsonMapper);
        return converter;
    }

    @Bean
    ActivityPubManager activityPubManager() {
        return new ActivityPubManager();
    }

    @Inject
    CloseableHttpClient httpClient;

    @Bean
    ClientHttpRequestFactory clientHttpRequestFactory() {
        var clientHttpRequestFactory = new HttpComponentsClientHttpRequestFactory();
        clientHttpRequestFactory.setHttpClient(httpClient);
        return clientHttpRequestFactory;
    }

    @Bean
    RestTemplate apClient() {
        RestTemplate restTemplate = new RestTemplate(clientHttpRequestFactory());
        restTemplate.getMessageConverters().add(0, mappingJacksonHttpMessageConverter());
        restTemplate.getMessageConverters().add(0, new StringHttpMessageConverter(StandardCharsets.UTF_8));
        restTemplate.setErrorHandler(activityPubClientErrorHandler);
        restTemplate.getInterceptors().add(new ActivityPubRequestInterceptor());
        return restTemplate;
    }

    @Bean
    UserToActorConverter userToActorConverter() {
        return new UserToActorConverter(profileUriBuilder(), keystoreManager, webApp);
    }
    @Bean
    ProfileUriBuilder profileUriBuilder() {
        return new ProfileUriBuilder(baseUri);
    }
}