using System;
using System.Collections;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using UnityEngine;

public class CalibrationRecorderBehavior : MonoBehaviour
{
    PersonManager PersonManager => personManagerLazy.Value;
    Lazy<PersonManager> personManagerLazy;

    private void Awake()
    {
        personManagerLazy = new Lazy<PersonManager>(FindObjectOfType<PersonManager>);
    }

    BlockingCollection<Action> taskQueue;

    string fileName = @$"C:\Users\nick.steyer\Desktop\{DateTime.Now:yyyy-dd-M_HH-mm-ss}.csv";

    void Start()
    {
        taskQueue = new BlockingCollection<Action>();
        if (!File.Exists(fileName))
        {
            File.WriteAllLines(fileName, new string[] { "WorldX,WorldY,WorldZ,UnityX,UnityY,UnityZ" });
        }
    }

    // Update is called once per frame
    void Update()
    {
        var persons = PersonManager.Persons;

        if (PersonManager.Persons.Count == 1)
        {
            var person = PersonManager.Persons.Single();
            var marker = GameObject.Find("CalibrationMarker");

            var personPosition = person.WorldPosition;
            var markerPosition = marker.transform.position;

            taskQueue.Add(() => File.AppendAllLines(fileName, new string[] { FormattableString.Invariant($"{personPosition.x},{personPosition.y},{personPosition.z},{markerPosition.x},{markerPosition.y},{markerPosition.z}") }));
            Task.Run(() => taskQueue.Take().Invoke());
        }
    }
}