package de.dhsn.oop;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import com.google.gson.stream.JsonReader;
import de.dhsn.oop.data.TodoList;
import de.dhsn.oop.ui.MainWindow;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;

public class todo {
    public static void main(String[] args){
        List<TodoList> listen = new ArrayList<>();
        // try t ope nthe file and read json data if successful
        try(JsonReader reader = new JsonReader(new FileReader("./test.json"))) {
            Type listType = new TypeToken<List<TodoList>>(){}.getType();
            Gson g = new Gson();
            List<TodoList> temp = g.fromJson(reader, listType);
            //insert all data from json int o state list
            listen.addAll(temp);
        } catch (FileNotFoundException ignored) {
            // ignore file not found --> probably first start and no file present
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
        //open the window with the data
        new MainWindow(listen);

    }
}