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

public class SharingManager : MonoBehaviour
{
    public static SharingManager Instance { get; private set; }
    private void Awake()
    {
        if (Instance != null && Instance != this)
        {
            Destroy(this);
        }
        else
        {
            Instance = this;
            DontDestroyOnLoad(gameObject);
        }
    }

    public void SnapAndShare()
    {
        StartCoroutine( TakeScreenshotAndShare() );
    }
    private IEnumerator TakeScreenshotAndShare()
    {
        yield return new WaitForEndOfFrame();

        Texture2D ss = new Texture2D( Screen.width, Screen.height, TextureFormat.RGB24, false );
        ss.ReadPixels( new Rect( 0, 0, Screen.width, Screen.height ), 0, 0 );
        ss.Apply();

        string filePath = Path.Combine( Application.temporaryCachePath, "shared img.png" );
        File.WriteAllBytes( filePath, ss.EncodeToPNG() );

        // To avoid memory leaks
        Destroy( ss );

        new NativeShare().AddFile( filePath )
            .SetSubject( "PiPuzzle!" ).SetText( "Come play PiPuzzle!" ).SetUrl( GameConstants.AndroidURL )
            .SetCallback( ( result, shareTarget ) => Debug.Log( "Share result: " + result + ", selected app: " + shareTarget ) )
            .Share();

        // Share on WhatsApp only, if installed (Android only)
        if( NativeShare.TargetExists( "com.whatsapp" ) )
        	new NativeShare().AddFile( filePath ).AddTarget( "com.whatsapp" ).Share();
    }
}