/*
 * Copyright (C) 2008-2020, 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.www.rss;

import com.juick.model.User;
import com.juick.util.HttpNotFoundException;
import com.juick.service.MessagesService;
import com.juick.service.UserService;

import io.swagger.v3.oas.annotations.Parameter;
import org.springframework.core.convert.ConversionFailedException;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.ModelAndView;

import javax.inject.Inject;
import java.util.List;

/**
 * Created by vitalyster on 13.12.2016.
 */
@Controller
public class Feeds {

    @Inject
    private MessagesService messagesService;
    @Inject
    private UserService userService;

    public enum FeedType {
        blog,
        feed
    }

    @GetMapping("/rss/{userName}/{feedType}")
    public ModelAndView getBlog(@Parameter(hidden = true) User visitor, @PathVariable String userName, @PathVariable FeedType feedType) {
        User user = userService.getUserByName(userName);
        if (!user.isAnonymous() && !user.isBanned()) {
            List<Integer> mids = feedType == FeedType.blog ? messagesService.getUserBlog(user.getUid(), 0, 0) : messagesService.getUserBlogWithRecommendations(user, visitor, 0, 0);
            ModelAndView modelAndView = new ModelAndView();
            modelAndView.setViewName("messagesView");
            modelAndView.addObject("user", user);
            modelAndView.addObject("feedType", feedType.name());
            modelAndView.addObject("messages", messagesService.getMessages(visitor.getUid(), mids));
            return modelAndView;
        }
        throw new HttpNotFoundException();
    }

    @GetMapping("/rss/")
    public ModelAndView getLast(
            @Parameter(hidden = true) User visitor,
            @RequestParam(value = "hours", required = false, defaultValue = "0") Integer hours) {
        List<Integer> mids = messagesService.getLastMessages(hours);
        ModelAndView modelAndView = new ModelAndView();
        modelAndView.setViewName("messagesView");
        modelAndView.addObject("user", visitor);
        modelAndView.addObject("messages", messagesService.getMessages(visitor.getUid(), mids));
        return modelAndView;
    }
    @GetMapping("/rss/comments")
    public ModelAndView getLastReplies(@RequestParam(value = "hours", required = false, defaultValue = "0") Integer hours) {
        ModelAndView modelAndView = new ModelAndView();
        modelAndView.setViewName("repliesView");
        modelAndView.addObject("messages", messagesService.getLastReplies(hours));
        return modelAndView;
    }
    // wrong feed type
    @ExceptionHandler(ConversionFailedException.class)
    public ResponseEntity<String> notFoundAction() {
        return new ResponseEntity<>(HttpStatus.NOT_FOUND);
    }
}