package com.itwyc.forum.controller;

import java.util.ArrayList;

import javax.servlet.http.HttpSession;

import org.springframework.beans.factory.annotation.Autowired;
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.servlet.ModelAndView;

import com.itwyc.forum.pojo.Announcement;
import com.itwyc.forum.pojo.Answer;
import com.itwyc.forum.pojo.Questions;
import com.itwyc.forum.pojo.Users;
import com.itwyc.forum.service.AdminService;
import com.itwyc.forum.service.AnnouncementService;
import com.itwyc.forum.service.AnswerService;
import com.itwyc.forum.service.QuestionsService;
import com.itwyc.forum.service.UsersService;

@RequestMapping(value = "/AllController")
@Controller
public class AllController {

	String name;
	ModelAndView mav = null;

	// 注入UsersService
	private UsersService usersService;

	@Autowired
	public void setUsersService(UsersService usersService) {
		this.usersService = usersService;
	}

	// 注入AdminService
	private AdminService adminService;

	@Autowired
	public void setAdminService(AdminService adminService) {
		this.adminService = adminService;
	}

	// 注入QuestionsService
	private QuestionsService questionsService;

	@Autowired
	public void setQuestionsService(QuestionsService questionsService) {
		this.questionsService = questionsService;
	}

	// 注入AnnuncementService
	private AnnouncementService announcementService;

	@Autowired
	public void setAnnouncementService(AnnouncementService announcementService) {
		this.announcementService = announcementService;
	}
	
	//注入AnswerService
	private AnswerService answerService;
	
	@Autowired
	public void setAnswerService(AnswerService answerService) {
		this.answerService = answerService;
	}
	
	

	//遍历公告
	public ModelAndView showAnn() {
		ArrayList<Announcement> announcement = announcementService.getAll();
		mav.addObject("announcement", announcement);
		return mav;
	}
	
	// 首页
	@RequestMapping("/index.html")
	public ModelAndView show() {
		mav = new ModelAndView("index");
		getAll();
		showAnn();
		return mav;
	}
	
	//登录后的首页
	@RequestMapping("/default")
	public ModelAndView backIndex() {
		mav = new ModelAndView("default");
		getAll();
		showAnn();
		return mav;
	}
	
	
	// 登录
	@RequestMapping(value = "/login", method = RequestMethod.POST)
	public ModelAndView login(HttpSession session, @RequestParam("username") String username,
			@RequestParam("password") String password) {
		if (usersService.login(username, password) != null) {
			mav = new ModelAndView("default");
			name = username;
			getAll();
			showAnn();
		} else {
			mav = new ModelAndView("error");
		}
		return mav;
	}

	// 注册
	@RequestMapping(value = "/register", method = RequestMethod.POST)
	public ModelAndView register(Users users, @RequestParam("username") String username, HttpSession session) {
		if (usersService.getOne(username) != null) { // 如果数据库中已经存在相同的用户名的话就报错
			mav = new ModelAndView("error");
		} else {
			usersService.insertUser(users);
			session.setAttribute("realname", username);
			mav = new ModelAndView("SUCCESS");
		}
		return mav;
	}

	// 管理员登录
	@RequestMapping(value = "/admin_login", method = RequestMethod.POST)
	public ModelAndView admin_login(@RequestParam("username") String username,
			@RequestParam("password") String password) {
		if (adminService.admin_login(username, password) != null) {
			mav = new ModelAndView("admin_index");
		} else {
			mav = new ModelAndView("error");
		}
		return mav;
	}

	// 遍历所有的问题
	public ModelAndView getAll() {
		ArrayList<Questions> questions = questionsService.getAll();
		mav.addObject("questions", questions);
		return mav;
	}

	// 个人中心
	@RequestMapping("/self")
	public ModelAndView self(HttpSession session) {
		ArrayList<Users> user = usersService.getUser(name);
		mav = new ModelAndView("self");
		mav.addObject("user", user);
		return mav;
	}

	// 更改资料
	@RequestMapping(value = "/update", method = RequestMethod.POST)
	public String update(@RequestParam("newRealname") String newRealname, @RequestParam("newPhone") String newPhone) {
		if (newRealname != null && newPhone != null) {
			usersService.update(newRealname, newPhone, name);
		}
		return "update";
	}

	// 更改密码
	@RequestMapping("/updatePassword")
	public String updatePassword(@RequestParam("newPassword") String newPassword) {
		if (newPassword != null) {
			usersService.updatePassword(newPassword, name);
		}
		return "update";
	}

	//在后台提交公告
	@RequestMapping("announcement")
	public String insertAnnouncement(@RequestParam("title") String title,@RequestParam("content") String content) {
		announcementService.insertAnnouncement(title,content);
		return "rightframe";
	}
	
	//遍历所有的公告
	@RequestMapping("/showAnnouncement")
	public ModelAndView showAnnouncement() {
		ArrayList<Announcement> announcement = announcementService.getAll();
		mav = new ModelAndView("delAnnouncement");
		mav.addObject("announcement", announcement);
		return mav;
	}
	
	//后台删除公告
	@RequestMapping("/delAnnouncement")
	public String delAnnouncement(@RequestParam("id") int id) {
		announcementService.delAnnouncement(id);
		return "rightframe";
	}
	
	//公告详情
	@RequestMapping("/announcement_detail")
	public ModelAndView getOne(@RequestParam("id") int id) {
		ArrayList<Announcement> ann = announcementService.getOne(id);
		mav = new ModelAndView("announcement_detail");
		mav.addObject("ann", ann);
		return mav;
	}
	
	//提出问题
	@RequestMapping("questions")
	public ModelAndView insertQuestion(@RequestParam("topic") String topic) {
		questionsService.insertQuestions(topic);
		mav = new ModelAndView("result");
		return mav;
	}
	
	//遍历所有的问题呈现再页面
	@RequestMapping("question_all")
	public ModelAndView questionAll() {
		mav = new ModelAndView("question_all");
		getAll();
		return mav;
	}
	
	//将答案插入数据库
	@RequestMapping("/answer")
	public ModelAndView insertAnswer(@RequestParam("id") int id,@RequestParam("answer") String answer) {
		Questions question = questionsService.getOne(id);
		answerService.insertAnswer(question.getTopic(), answer);
		questionAll();
		return mav;
	}
	
	//查看所有的问题答案
	@RequestMapping("/showAnswer")
	public ModelAndView showAnswer(HttpSession session,@RequestParam("topic") String topic) {
		ArrayList<Answer> answer = answerService.showAnswer(topic);
		mav = new ModelAndView("answers");
		session.setAttribute("topic", topic);
		mav.addObject("answer", answer);
		return mav;
		
	}
	
	//遍历所有的用户
	@RequestMapping("/member")
	public ModelAndView showMember() {
		ArrayList<Users> member = usersService.users();
		mav = new ModelAndView("member");
		mav.addObject("member", member);
		return mav;
	}
	
	//删除会员
	@RequestMapping("/delMember")
	public ModelAndView delMember(@RequestParam("id") int id) {
		mav = new ModelAndView("rightframe");
		usersService.delMember(id);
		return mav;
	}
	
	//后台问题答案的所有遍历
	@RequestMapping("/answers")
	public ModelAndView answers() {
		mav = new ModelAndView("question_answer");
		ArrayList<Answer> answers = answerService.getAllAnswer();
		mav.addObject("answers", answers);
		return mav;
	}
	
	//删除问题和答案
	@RequestMapping("/delQuestionAndAnswer")
	public ModelAndView delQuestionAndAnswer(@RequestParam("id") int id) {
		mav = new ModelAndView("rightframe");
		answerService.delQuestionAndAnswer(id);
		return mav;
	}
	
	
	
}