using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;

namespace UltraCombos.Marvel.DrawHeroes
{
    public class PaintSender : MonoBehaviour
    {
        [SerializeField]
        float interval = 1.0f;
        
        public PaintCraft.CanvasController canvas;

        ResourceClient client;

        Coroutine coroutine = null;

        public global::PaintCraft.Canvas.Configs.PageConfig signaturePage;

        [Space(10)]
        public UnityEvent onPaintingSaved = new UnityEvent();

        private void Start()
        {

        }

        public void SavePainting()
        {
            if (coroutine == null)
            {
                coroutine = StartCoroutine(DoSavePainting());
            }
        }

        public void SavePaintingAndSignature()
        {
            if (coroutine == null)
            {
                coroutine = StartCoroutine(DoSavePaintingAndSignature());
            }
        }

        IEnumerator DoSavePainting()
        {
            yield return canvas.MakeColoringTexture();

            var data = AppData.Instance;

            if (data.lastPainting == null)
            {
                data.lastPainting = new Texture2D(canvas.ColoringTexture.width, canvas.ColoringTexture.height, canvas.ColoringTexture.format, false);
            }

            Graphics.CopyTexture(canvas.ColoringTexture, data.lastPainting);
            data.lastPainting.Apply();
            data.lastPainting.name = $"painting - {data.serial}";

            if (data.lastThumbnail == null)
            {
                data.lastThumbnail = new Texture2D(canvas.ThumbnailTexture.width, canvas.ThumbnailTexture.height, canvas.ThumbnailTexture.format, false);
            }

            Graphics.CopyTexture(canvas.ThumbnailTexture, data.lastThumbnail);
            data.lastThumbnail.Apply();
            data.lastThumbnail.name = $"thumbnail - {data.serial}";

            global::PaintCraft.Canvas.AppData.SelectedPageConfig = signaturePage;

            onPaintingSaved.Invoke();

            yield return new WaitForSeconds(interval);

            coroutine = null;
        }

        IEnumerator DoSavePaintingAndSignature()
        {
            //Debug.Log("DoSavePaintingAndSignature");
            yield return canvas.MakeColoringTexture();

            var data = AppData.Instance;
            
            if (data.lastPainting == null)
            {
                data.lastPainting = new Texture2D(canvas.ColoringTexture.width, canvas.ColoringTexture.height, canvas.ColoringTexture.format, false);
            }

            Graphics.CopyTexture(canvas.ColoringTexture, data.lastPainting);
            data.lastPainting.Apply();
            data.lastPainting.name = $"painting - {data.serial}";

            yield return null;

            if (data.lastThumbnail == null)
            {
                data.lastThumbnail = new Texture2D(canvas.ThumbnailTexture.width, canvas.ThumbnailTexture.height, canvas.ThumbnailTexture.format, false);
            }

            Graphics.CopyTexture(canvas.ThumbnailTexture, data.lastThumbnail);
            data.lastThumbnail.Apply();
            data.lastThumbnail.name = $"thumbnail - {data.serial}";

            yield return null;

            if (data.lastSignature == null)
            {
                data.lastSignature = new Texture2D(64, 64, TextureFormat.RGBA32, false);
                data.lastSignature.name = $"signature - empty";
            }

            yield return new WaitForSeconds(interval);

            onPaintingSaved.Invoke();

            coroutine = null;
            //Debug.Log("DoSavePaintingAndSignature is done.");
        }

        public void Send()
        {
            if (coroutine == null)
            {
                if (client == null)
                {
                    client = GetComponent<ResourceClient>();
                }

                coroutine = StartCoroutine(DoSend());
            }
        }

        IEnumerator DoSaveSignature()
        {
            yield return canvas.MakeColoringTexture();

            var data = AppData.Instance;

            if (data.lastSignature == null)
            {
                data.lastSignature = new Texture2D(canvas.ColoringTexture.width, canvas.ColoringTexture.height, canvas.ColoringTexture.format, false);
            }
            Graphics.CopyTexture(canvas.ColoringTexture, data.lastSignature);
            data.lastSignature.Apply();
            data.lastSignature.name = $"signature - {data.serial}";

            coroutine = null;
        }

        IEnumerator DoSend()
        {
            //yield return DoSaveSignature();

            var data = AppData.Instance;

            if (AppData.Instance.dev == false)
                client.SendData(data.lastThumbnail, data.lastSignature, data.lastThumbnail);

            yield return new WaitForSeconds(interval);

            coroutine = null;
        }
    }
}