package com.extr.controller;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import com.extr.controller.domain.Message;
import com.extr.domain.question.Comment;
import com.extr.domain.question.Comments;
import com.extr.security.UserInfo;
import com.extr.service.CommentService;
import com.extr.util.Page;

@Controller
public class CommentController {

	@Autowired
	private CommentService commentService;

	@RequestMapping(value = "student/comment-list/{questionId}/{index}/{indexId}", method = RequestMethod.GET)
	public @ResponseBody
	Message getQuestionComments(@PathVariable("questionId") int questionId, @PathVariable("index") int index, @PathVariable("indexId") int indexId) {
		if (index <= 0)
			index = 1;
		Message msg = new Message();
		msg.setMessageInfo("not-has-next");
		Page<Comment> page = new Page<Comment>();
		if(index == 1){
			page.setPageNo(index);
			page.setPageSize(6);
		}else{
			index = index + 2;
			page.setPageNo(index);
			page.setPageSize(2);
		}
		
		try {
			List<Comment> commentList = commentService.getCommentByQuestionId(questionId, indexId, page);
			Comments c = new Comments();
			c.setComments(commentList);
			c.setSize(page.getTotalRecord());
			if (page.getTotalRecord() > page.getPageSize() * index)
				msg.setMessageInfo("has-next");
			msg.setObject(c);
		} catch (Exception e) {
			msg.setResult(e.getClass().getName());
			e.printStackTrace();
		}

		return msg;
	}

	@RequestMapping(value = "student/submit-comment", method = RequestMethod.POST)
	public @ResponseBody
	Message submitComment(@RequestBody Comment comment, HttpServletRequest request) {
		Message msg = new Message();
		UserInfo userInfo = (UserInfo) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
		try {
			comment.setUserId(userInfo.getUserid());
			commentService.addComment(comment);

		} catch (Exception e) {
			e.printStackTrace();
			msg.setResult(e.getClass().getName());
		}
		return msg;

	}

}