using UnityEngine;
using System.IO;
using System.Collections.Generic;
using System;
using Newtonsoft.Json.Linq;

public class JsonFileWriter : MonoBehaviour
{
    public GameController gameController;
    public Settings settings;
    public List<Dictionary<string, string>> allQuestions = new List<Dictionary<string, string>>();
    public string path;
    public string pathGameData;

    public void Start()
    {

        path = "jar:file://" + Application.dataPath + "!/assets/data.json";
#if UNITY_EDITOR
        path = Path.Combine(Application.streamingAssetsPath, "data.json");
#endif
        pathGameData = Path.Combine(Application.persistentDataPath, "gameData.json");
        //List<JsonString> temp = new List<JsonString>();
        //temp.Add(new JsonString(new string[]{ "The question","The correct answer","Answer 1","Answer 2","Answer 3"}));
        //SerializeData();
        DeserializeQuestions();
    }

    public void SerializeGameData(GameData data)
    {
        System.DateTime epochStart = new System.DateTime(1970, 1, 1, 0, 0, 0, System.DateTimeKind.Utc);
        string cur_time = (int)(System.DateTime.UtcNow - epochStart).TotalSeconds + "";
        data.date = cur_time;
        if (!File.Exists(pathGameData))
        {
            File.WriteAllText(pathGameData, "");
        }
        string containerJson = File.ReadAllText(pathGameData);
        GameDataContainer container = new GameDataContainer();
        container.container = new List<GameData>();
        if(containerJson != "")
        {
            container = JsonUtility.FromJson<GameDataContainer>(containerJson);
        }
        container.container.Add(data);
        if(container.container.Count > settings.save_this_many_games)
        {
            int lowest = (int)(System.DateTime.UtcNow - epochStart).TotalSeconds;
            foreach(GameData s in container.container)
            {
                if(Int32.Parse(s.date) < lowest)
                {
                    lowest = Int32.Parse(s.date);
                }
            }
            for (int i = container.container.Count - 1; i >= 0; i--)
            {
                if(Int32.Parse(container.container[i].date) == lowest)
                {
                    container.container.Remove(container.container[i]);
                }
            }
        }
        containerJson = JsonUtility.ToJson(container);
        File.WriteAllText(pathGameData, containerJson);
    }

    public void DeserializeQuestions()
    {
        string json;

        if (Application.platform == RuntimePlatform.Android)
        {
            WWW reader = new WWW(path);
            while (!reader.isDone) { }

            json = reader.text;

            return;
        }

        json = File.ReadAllText(path);


        JObject jo = JObject.Parse(json);
        Dictionary<string, List<string>> values = jo.SelectToken("Questions", false).ToObject<Dictionary<string, List<string>>>();
        foreach(var kv in values)
        {
            Dictionary<string, string> temp = new Dictionary<string, string>();
            int i = 0;
            foreach(string s in kv.Value)
            {
                temp.Add(i + "", s);
                i++;
            }
            allQuestions.Add(temp);
        }
    }
}

[Serializable]
public class GameData
{
    public string date;
    public string questions;
    public List<string> playerScoresNames;
    public List<int> playerScoresScores;
    public List<string> playerStatesNames;
    public List<int> playerStatesStates;
}

[Serializable]
public class GameDataContainer
{
    public List<GameData> container;
}