/*
 * Copyright (C) 2008-2017, 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.server.configuration;

import com.google.common.base.Predicates;
import com.juick.server.WebsocketManager;
import com.juick.server.api.rss.MessagesView;
import com.juick.server.api.rss.RepliesView;
import com.juick.server.xmpp.JidConverter;
import com.juick.server.xmpp.iq.MessageQuery;
import com.juick.server.xmpp.s2s.BasicXmppSession;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.*;
import org.springframework.core.convert.ConversionService;
import org.springframework.format.support.DefaultFormattingConversionService;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.view.BeanNameViewResolver;
import org.springframework.web.servlet.view.feed.AbstractRssFeedView;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
import org.springframework.web.socket.server.standard.ServletServerContainerFactoryBean;
import rocks.xmpp.core.session.Extension;
import rocks.xmpp.core.session.XmppSessionConfiguration;
import rocks.xmpp.core.session.debug.LogbackDebugger;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import javax.annotation.Nonnull;
import javax.inject.Inject;
import java.util.Collections;

/**
 * Created by aalexeev on 11/12/16.
 */
@Configuration
@EnableAsync
@EnableSwagger2
@EnableScheduling
@EnableWebSocket
public class ApiAppConfiguration implements WebMvcConfigurer, WebSocketConfigurer {
    @Inject
    private WebsocketManager websocketManager;
    @Bean
    public Docket api() {
        return new Docket(DocumentationType.SWAGGER_2)
                .select()
                .apis(Predicates.not(RequestHandlerSelectors.basePackage("org.springframework.boot")))
                .paths(PathSelectors.any()).build().apiInfo(new ApiInfo("Juick API", "Juick REST API Documentation",
                        "2.0", "https://juick.com/help/tos", null,
                        "AGPLv3", "https://www.gnu.org/licenses/agpl-3.0.html", Collections.emptyList()));
    }

    @Override
    public void registerWebSocketHandlers(@Nonnull WebSocketHandlerRegistry registry) {
        //((ServletWebSocketHandlerRegistry) registry).setOrder(Ordered.LOWEST_PRECEDENCE);
        registry.addHandler(websocketManager, "/ws/**").setAllowedOrigins("*");
    }

    @Bean
    public ServletServerContainerFactoryBean createWebSocketContainer() {
        ServletServerContainerFactoryBean container = new ServletServerContainerFactoryBean();
        container.setMaxTextMessageBufferSize(8192);
        container.setMaxBinaryMessageBufferSize(8192);
        return container;
    }
    @Bean
    public BeanNameViewResolver beanNameViewResolver() {
        return new BeanNameViewResolver();
    }
    @Bean
    AbstractRssFeedView messagesView() {
        return new MessagesView();
    }
    @Bean
    AbstractRssFeedView repliesView() {
        return new RepliesView();
    }
    @Value("${hostname:localhost}")
    private String hostname;
    @Bean
    public BasicXmppSession session() {
        XmppSessionConfiguration configuration = XmppSessionConfiguration.builder()
                .extensions(Extension.of(com.juick.Message.class), Extension.of(MessageQuery.class))
                .debugger(LogbackDebugger.class)
                .build();
        return BasicXmppSession.create(hostname, configuration);
    }
    @Bean
    public static ConversionService conversionService() {
        DefaultFormattingConversionService cs = new DefaultFormattingConversionService();
        cs.addConverter(new JidConverter());
        return cs;
    }
}