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

using Raumgleiter.BaseRGDK;
using Raumgleiter.Packages.FileExplorer;

public class FileSelection : MonoBehaviour {

    //WorldReference
    public static FileSelection WorldReference;

    //Connections
    [Header("Connections")]
    public AppManager AppManager;

    public GameObject StartScreenPanel;
    public GameObject ExplorerPanel;
    public Explorer Explorer;
    // public GameObject iUniformSettings;

    //Resources
    //[Header("Resources")]


    //Attributes
    //[Header("Attributes")]


    //Stats
    //[Header("Stats")]
    protected bool IsAwoken = false;
    private string SelectedPath = "";


    //Getter
    public string GetSelectedPath()
    { return SelectedPath; }

    //Delegates



    //------------------------------------------------------------------------------------------------------------------
    //awake

    protected void Awake()
    {
        //Already Awoken?
        if (!IsAwoken)
        {
            IsAwoken = true;
            WorldReference = this;
        }
    }


    //------------------------------------------------------------------------------------------------------------------
    //start

    protected void Start()
    {

    }

    //------------------------------------------------------------------------------------------------------------------
    //setup

    public void SetUp()
    {

    }


    //------------------------------------------------------------------------------------------------------------------
    //destroy

    //***********************************************************************************************************************
    //update

    //***********************************************************************************************************************
    //refresh

    //------------------------------------------------------------------------------------------------------------------
    //------------------------------------------------------------------------------------------------------------------

    //***********************************************************************************************************************
    //events

    public void OnClickOpenExplorer()
    {
        OpenExplorer();
    }

    //------------------------------------------------------------------------------------------------------------------

    private void OnFilesSelected(List<string> pathOfSelectedFiles)
    {
        //Validate
        if(pathOfSelectedFiles.Count == 0)
        {
            //Player pressed abort
            OpenStartScreen();
            return;
        }

        //Save Path
        SelectedPath = pathOfSelectedFiles[0];

        //Report that we're done
        AppManager.OnFileSelectionDone();
    }


    //------------------------------------------------------------------------------------------------------------------
    //------------------------------------------------------------------------------------------------------------------

    //***********************************************************************************************************************
    //private, protected

    private void OpenExplorer()
    {
        StartScreenPanel.SetActive(false);
        ExplorerPanel.SetActive(true);

        string DropPath = PathsLocal.GetDROP();
        //Debug.Log("FileSelection::DropPath:" + DropPath);
        if (!Directory.Exists(DropPath))
        {
            Directory.CreateDirectory(DropPath);
        }
        Explorer.Open(
            ExplorerMode.Directory,
            OnFilesSelected,
            DropPath);        
    }


    //------------------------------------------------------------------------------------------------------------------

    private void OpenStartScreen()
    {
        StartScreenPanel.SetActive(true);
        ExplorerPanel.SetActive(false);
    }

    //------------------------------------------------------------------------------------------------------------------
    //------------------------------------------------------------------------------------------------------------------
    //------------------------------------------------------------------------------------------------------------------

    //***********************************************************************************************************************
    //internal

    //------------------------------------------------------------------------------------------------------------------
    //------------------------------------------------------------------------------------------------------------------

    //***********************************************************************************************************************

    //------------------------------------------------------------------------------------------------------------------
    //------------------------------------------------------------------------------------------------------------------

    //***********************************************************************************************************************
    //public

    //------------------------------------------------------------------------------------------------------------------
    //------------------------------------------------------------------------------------------------------------------
    //------------------------------------------------------------------------------------------------------------------
    //------------------------------------------------------------------------------------------------------------------

    //***********************************************************************************************************************
    //getter, setter

    //------------------------------------------------------------------------------------------------------------------
    //------------------------------------------------------------------------------------------------------------------

}