package demo.action;

import java.io.IOException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;
import mint.mvc.annotation.BaseMapping;
import mint.mvc.annotation.Mapping;
import demo.Blog;

@BaseMapping("/blog")
public class BlogAction {
	
	/**
	 * @param blogId accepts only numbers
	 * @return
	 */
	@Mapping(urls="/{blogId:\\\\d+}", method="get")
	public Long getBlog(Long blogId){
		return blogId;
	}
	
	/**
	 * Initialize the base type parameters
	 * @param title
	 * @param content
	 * @return
	 */
	@Mapping(urls="/create", method="post")
	public String createBlog(String title, String content){
		return title+"&"+content;
	}
	
	/**
	 * To initialize an array type arguments (excerpt from the blog)
	 * accepts parameters like "urls=url1&urls=url2" or "urls[]=url1&urls[]=url2"
	 *
	 * @param urls
	 * @return
	 */
	@Mapping(urls="/originUrl", method="post")
	public String originUrl(String urls[]){
		if(urls!=null){
			String url = "";
			for(String str : urls){
				url += (str+"<br/>");
			}
			return url;
		} else {
			return "";
		}
	}
	
	/**
	 * Initializes a simple bean class argument
	 * accepts parameters like "blog.id=123&blog.title=hi,friends"
	 *
	 * @param blog
	 * @return
	 */
	@Mapping(urls="/update", method="post")
	public String updateBlog(Blog blog){
		return blog.getId()+"<br/>"+
				blog.getTitle()+"<br/>"+
				blog.getContent();
	}
	
	
	/**
	 * Initializes arguments with request's attributes.
	 * Before that(usually in a Filter or a Interceptor), put some attributes into
	 * request like this "request.setAttribute("blogId", 1024L);request.setAttribute("userId", 2048L);"
	 *
	 * @param blogId
	 * @param userId
	 * @return
	 */
	@Mapping(urls="/update/{blogId:\\\\d+}", method="get")
	public String deleteBlog(Long blogId, Long userId){
		return "blogId:"+blogId+"<br/>"+
				"userId:"+userId;
	}
	
	/**
	 * Initialize the built-in parameters.
	 * built-in parameter includes HttpServletRequest,HttpServletResponse,Session,Cookie[]
	 *
	 * @param resp
	 */
	@Mapping(urls="/notFound", method="get")
	public void blogNotFound(HttpServletResponse resp){
		try {
			resp.sendRedirect("");
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	
	/**
	 * Initialize a cookie
	 * @param resp
	 */
	@Mapping(urls="/setCookie", method="get")
	public void setCookie(HttpServletResponse resp){
		Cookie cookie = new Cookie("UID", "for login");
		cookie.setPath("/");
		cookie.setMaxAge(3600);
		cookie.setHttpOnly(true);
		resp.addCookie(cookie);
	}
	
	/**
	 * get the cookie
	 *
	 * @param UID
	 * @return
	 */
	@Mapping(urls="/getCookie", method="get")
	public String getCookie(Cookie UID){
		return UID.getValue();
	}
}