package be.jeffcheasey88.peeratcode.routes;

import java.util.regex.Matcher;

import org.json.simple.JSONObject;

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.Puzzle;
import be.jeffcheasey88.peeratcode.repository.DatabaseRepository;

public class PuzzleElement implements Response {

	private final DatabaseRepository databaseRepo;

	public PuzzleElement(DatabaseRepository databaseRepo) {
		this.databaseRepo = databaseRepo;
	}

	@Route(path = "^\\/puzzle\\/([0-9]+)$", needLogin = true)
	public void exec(Matcher matcher, User user, HttpReader reader, HttpWriter writer) throws Exception {
		Puzzle puzzle = databaseRepo.getPuzzle(extractId(matcher));
		if (puzzle != null) {
			JSONObject puzzleJSON = new JSONObject();
			puzzleJSON.put("id", puzzle.getId());
			puzzleJSON.put("name", puzzle.getName());
			puzzleJSON.put("content", puzzle.getContent());
			puzzleJSON.put("scoreMax", puzzle.getScoreMax());
			if(puzzle.getTags() != null) puzzleJSON.put("tags", puzzle.getJsonTags());
			int score = this.databaseRepo.getScore(user.getId(), puzzle.getId());
			if(score >= 0) puzzleJSON.put("score", score);
			if(puzzle.getDepend() > 0) puzzleJSON.put("depend", puzzle.getDepend());
			HttpUtil.responseHeaders(writer, 200, "Access-Control-Allow-Origin: *", "Content-Type: application/json");
			writer.write(puzzleJSON.toJSONString());
		}
		else {
			HttpUtil.responseHeaders(writer, 400, "Access-Control-Allow-Origin: *");
		}
	}

	private int extractId(Matcher matcher) {
		return Integer.parseInt(matcher.group(1));
	}
}