package be.jeffcheasey88.peeratcode.routes.groups;

import static be.jeffcheasey88.peeratcode.framework.RequestType.POST;

import java.time.LocalDateTime;
import java.util.regex.Matcher;

import org.json.simple.JSONObject;

import be.jeffcheasey88.peeratcode.bonus.extract.RouteDoc;
import be.jeffcheasey88.peeratcode.framework.HttpReader;
import be.jeffcheasey88.peeratcode.framework.HttpUtil;
import be.jeffcheasey88.peeratcode.framework.HttpWriter;
import be.jeffcheasey88.peeratcode.framework.Response;
import be.jeffcheasey88.peeratcode.framework.Route;
import be.jeffcheasey88.peeratcode.framework.User;
import be.jeffcheasey88.peeratcode.model.Chapter;
import be.jeffcheasey88.peeratcode.model.Group;
import be.jeffcheasey88.peeratcode.repository.DatabaseRepository;

public class GroupJoin implements Response{
	
	private DatabaseRepository repo;
	private int groupDelay;

	public GroupJoin(DatabaseRepository repo, int groupDelay){
		this.repo = repo;
		this.groupDelay = groupDelay;
	}

	@RouteDoc(path = "/groupJoin", responseCode = 200, responseDescription = "L'utilisateur a rejoint le groupe")
	@RouteDoc(responseCode = 403, responseDescription = "L'utilisateur est déjà dedans / ne peux pas le rejoindre")
	@RouteDoc(responseCode = 423, responseDescription = "L'utilisateur essaye de rejoindre un groupe après le délai maximum de création de l'event")
	
	@Route(path = "^\\/groupJoin$", type = POST, needLogin = true)
	public void exec(Matcher matcher, User user, HttpReader reader, HttpWriter writer) throws Exception{
		Group group = new Group((JSONObject) HttpUtil.readJson(reader));
		
		Group userGroup = this.repo.getPlayerGroup(user.getId(), group.getLinkToChapter(), group.getLinkToPuzzle());
		if(group.equals(userGroup)){
			HttpUtil.responseHeaders(writer, 403, "Access-Control-Allow-Origin: *");
			return;
		}
		
		if(group.getLinkToChapter() != null){
			Chapter chapter = this.repo.getChapter(group.getLinkToChapter());
			if(chapter.getStartDate() != null){
				LocalDateTime start = chapter.getStartDate().toLocalDateTime().plusMinutes(this.groupDelay);
				if(start.isBefore(LocalDateTime.now())){
					HttpUtil.responseHeaders(writer, 423, "Access-Control-Allow-Origin: *");
					return;
				}
			}
		}
		if (this.repo.insertUserInGroup(group, user)) {
			HttpUtil.responseHeaders(writer, 200, "Access-Control-Allow-Origin: *");
		} else {
			HttpUtil.responseHeaders(writer, 403, "Access-Control-Allow-Origin: *");
		}
	}
	
}