package io.gitlab.jfronny.dynres.web;

import io.gitlab.jfronny.dynres.DynRes;
import io.gitlab.jfronny.dynres.web.bluemapcore.HttpRequest;
import io.gitlab.jfronny.dynres.web.bluemapcore.HttpRequestHandler;
import io.gitlab.jfronny.dynres.web.bluemapcore.HttpResponse;
import io.gitlab.jfronny.dynres.web.bluemapcore.HttpStatusCode;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.Objects;

public class RequestHandler implements HttpRequestHandler {
    String r;
    @Override
    public HttpResponse handle(HttpRequest request) {
        try {
            //TODO remove debug statement
            DynRes.logger.info("Got connection from " + request.getGETParamString());
            String method = request.getMethod().toUpperCase();
            if (!method.equals("GET") && !method.equals("HEAD") && !method.equals("POST")) {
                DynRes.logger.error("Invalid method: " + method);
                HttpResponse resp = new HttpResponse(HttpStatusCode.BAD_REQUEST);
                resp.setData(method + " method not supported");
                return resp;
            }

            String path = DynRes.simplifyElement(request.getPath());

            if (Objects.equals(path, r)) {
                HttpResponse resp = new HttpResponse(HttpStatusCode.OK);
                resp.addHeader("Server", "DynRes using BlueMap");
                resp.addHeader("Cache-Control", "no-cache");
                resp.addHeader("Content-Type", "application/zip");

                FileInputStream fs = new FileInputStream(DynRes.resFile);
                resp.setData(fs);
                return resp;
            }
            DynRes.logger.error("An invalid file was requested: " + path);
            return new HttpResponse(HttpStatusCode.NOT_FOUND);
        } catch (Throwable e) {
            DynRes.logger.error("Cough error while sending", e);
            return new HttpResponse(HttpStatusCode.INTERNAL_SERVER_ERROR);
        }
    }

    public RequestHandler(String relativePath) {
        r = relativePath;
    }
}