package com.javaniu.web;

import java.io.UnsupportedEncodingException;
import java.util.Collection;
import java.util.concurrent.ConcurrentHashMap;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import com.javaniu.module.Comment;
import com.javaniu.util.IdWorker;

@Controller
@RequestMapping({ "comment" })
public class CommentController {

	ConcurrentHashMap<Long, Comment> comments = new ConcurrentHashMap<Long, Comment>();

	@RequestMapping(value = { "" }, method = { RequestMethod.GET })
	public @ResponseBody
	Collection<Comment> comments() {
		return comments.values();
	}

	@RequestMapping(value = { "create" }, method = { RequestMethod.GET })
	public @ResponseBody
	Comment create(
			@RequestParam(value = "content", required = true) String content) {
		IdWorker worker2 = new IdWorker(2);
		Comment comment = new Comment();
		// random id+current time
		long id = worker2.nextId();
		// 把content解码为utf8编码的正常内容
		try {
			content = new String(content.getBytes("iso8859-1"), "utf-8");
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}
		comment.setContent(content);
		comment.setId(id);
		comments.put(id, comment);
		return comment;
	}

	@RequestMapping(value = { "remove" }, method = { RequestMethod.GET })
	public @ResponseBody
	Comment remove(@RequestParam(value = "id", required = true) Long id) {
		Comment comment = comments.remove(id);
		return comment;
	}
}