using UnityEngine;
using System.Globalization;
using System.Collections.Generic;
using System.IO;
using System;

public class ReadPosFromFile : MonoBehaviour
{
    //private void Start()
    //{
    //    string dir = Directory.GetCurrentDirectory();
    //    string reference = @"\Assets\CSV_files\Walk1.txt";
    //    List<Vector3> vec = ReadFromTxtFile(dir + reference);
    //}

    //Reads from txt files
    public List<Vector3> ReadFromTxtFile(string path)
    {
        if(!File.Exists(path))
        {
            return null;
        }
        
        List<Vector3> vec = new List<Vector3>();
        char[] seperator = new char[] { ',' };

        foreach (string line in File.ReadLines(path))
        {
            if(line != null)
            {
                // removing parentheses
                string lineCleaned = line.Substring(1, line.Length - 2);
                string[] lineSplited = lineCleaned.Split(seperator, StringSplitOptions.RemoveEmptyEntries);
                vec.Add(new Vector3(
                    float.Parse(lineSplited[0], CultureInfo.InvariantCulture),
                    float.Parse(lineSplited[1], CultureInfo.InvariantCulture),
                    float.Parse(lineSplited[2], CultureInfo.InvariantCulture)));
            }
        }

        return vec;
    }
}