using UnityEngine;
using UnityEngine.UI;//
using SFB; // StandaloneFileBrowser
using System.Runtime.InteropServices;
using UnityEngine.EventSystems;
using UnityEditor;

[RequireComponent(typeof(Button))]
public class Save_PDF : MonoBehaviour, IPointerDownHandler
{
    [DllImport("__Internal")]
    private static extern void SavePDFTOMOBILE(string filename, byte[] byteArray, int byteLenth);
    [DllImport("__Internal")]
    private static extern void SaveloadFile(string gameObjectName, string methodName, string filename, byte[] byteArray, int byteArraySize);

#if UNITY_WEBGL && !UNITY_EDITOR

    // Broser plugin should be called in OnPointerDown.
    public void OnPointerDown(PointerEventData eventData) {
        _G.PDFname = GameObject.Find("InputPDFName").gameObject.GetComponent<InputField>().text;    
        var bytes = _G.PDF;
        SaveloadFile(gameObject.name, "OnFileDownload", _G.PDFname + ".pdf", bytes, bytes.Length);
    }
    // Called from browser
    public void OnFileDownload() {
        GameObject.Find("HIDER").transform.Find("EnterPDFName").transform.gameObject.SetActive(false);
        _M.PH(2, 0, "ffffff", 1, 1);
        GameObject.Find("PNL").transform.Find("PDFpnl").transform.gameObject.SetActive(false);
    }
#else
    public void OnPointerDown(PointerEventData eventData) { }
    public void SaveLocal()
    {   
        _G.PDFname = GameObject.Find("InputPDFName").GetComponent<InputField>().text;
        var path = StandaloneFileBrowser.SaveFilePanel("Save as pdf", "", _G.PDFname, "pdf");
        // var path = EditorUtility.SaveFilePanel("Save as pdf", "", _G.PDFname,"pdf");
        if (!string.IsNullOrEmpty(path)) {
            System.IO.File.WriteAllBytes(path, _G.PDF);
        }
        _M.PH(2, 0, "ffffff", 1, 1);
        GameObject.Find("PNL").transform.Find("PDFpnl").transform.gameObject.SetActive(false);
    }
#endif

    public void SavePDFMobile()
    {
        _G.PDFname = GameObject.Find("InputPDFName").gameObject.GetComponent<InputField>().text;
        var bytes = _G.PDF;
        SavePDFTOMOBILE(_G.PDFname, bytes, bytes.Length);
    }

    
}