package java_src;

import javax.json.*;
import java.io.IOException;
import java.io.StringReader;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;

public class TryOut {

    public static void main(String[] args) {
        String jsonString;
        try {
            // Path path = Paths.get("/home/jan/git-projekte/howtodata/JSON/alice.json"); // Absoluter Pfad
            Path path = Paths.get("JSON/alice.json"); // Besser: relativer Pfad
            jsonString = FileHelper.readJson(path);
            System.out.println("Aus Datei eingelesener Json-String:");
            System.out.println(jsonString);
        } catch (IOException e) {
            System.err.println(e);
            jsonString = "{}";
        }
        JsonReader jsonReader = Json.createReader(new StringReader(jsonString));
        JsonObject ali = jsonReader.readObject();
        jsonReader.close();
        System.out.println("In JsonObject verwandelt:");
        System.out.println(ali.toString());
        System.out.println("Aus JsonObject erzeugtes Java-Record:");
        Person a1 = aliceAutomatically(ali);
        System.out.println(a1);
    }

    private static Person aliceAutomatically(JsonObject ali) {
        ArrayList<String> hob = new ArrayList<>();
        for (JsonValue hobby : ali.getJsonArray("hobbies")) {
            JsonString jsonhobby = (JsonString) hobby;
            hob.add(jsonhobby.getString());
        }
        ArrayList<String> fri = new ArrayList<>();
        for (JsonValue friend : ali.getJsonArray("friends")) {
            JsonString jsonFriend = (JsonString) friend;
            fri.add(jsonFriend.getString());
        }
        JsonObject jasonAddr = ali.getJsonObject("address");
        Address javaAddr = new Address(jasonAddr.getString("street"),
                jasonAddr.getString("number"),
                jasonAddr.getString("city"));
        Person aliAuto = new Person(ali.getString("name"),
                ali.getInt("age"),
                ali.getString("email"),
                javaAddr,
                hob,
                fri);
        return aliAuto;
    }

}