// ***********************************************************************
// Assembly         : Unity
// Author           : Kimch
// Created          : 2017-11-11
//
// Last Modified By : Kimch
// Last Modified On : 
// ***********************************************************************
// <copyright file= "ToastBox.View" company=""></copyright>
// <summary></summary>
// ***********************************************************************

using System.Collections;
using System.Collections.Generic;
using DG.Tweening;
using UnityEngine;
using UnityEngine.UI;

namespace G.UI
{
    partial class ToastBox
    {
        private class Toaster
        {
            public ToastWidget template;
            public readonly List<ToastWidget> _instances = new List<ToastWidget>();
            public readonly Queue<ToastInfo> _infoQueue = new Queue<ToastInfo>();

            float _duration = 0.5f;
            float _timer;

            int _infoMax = 8;
            int _showCount;

            int _index;

            System.Action<ToastInfo> _showAction;

            public void SetIndex(int index)
            {
                _index = index;
                switch (index)
                {
                    case 0:
                        _infoMax = 3;
                        _showAction = ShowAction;
                        break;
                    case 1:
                        _infoMax = 3;
                        _showAction = ShowAction1;
                        break;
                    case 2:
                        _infoMax = 3;
                        _showAction = ShowAction2;
                        break;
                    case 3:
                        _duration = 1.2f;
                        _showAction = ShowAction3;
                        break;
                    case 4:
                        _duration = 0.6f;
                        _showAction = ShowAction4;
                        break;
                    case 6:
                        _showAction = ShowAction6;
                        break;
                    case 7:
                        _showAction = ShowAction7;
                        break;
                    case 8:
                        _showAction = ShowAction8;
                        break;
                    case 10:
                        _infoMax = 1;
                        _showAction = ShowAction10;
                        break;
                    case 11:
                        _infoMax = 1;
                        _showAction = ShowAction10;
                        break;
                    default:
                        _showAction = ShowAction;
                        break;
                }
            }

            private void ShowAction(ToastInfo info)
            {
                var toast = GetToast();
                toast.SetText(info.content);
                toast.transform.DOLocalMoveY(300f, 1.2f).SetEase(Ease.OutQuart).OnComplete(() => ReturnToast(toast)).SetUpdate(true);
            }

            private void ShowAction1(ToastInfo info)
            {
                var toast = GetToast();
                toast.SetText(info.content);
                toast.transform.DOLocalMoveY(40f, 1.5f).SetEase(Ease.OutQuart).OnComplete(() => ReturnToast(toast)).SetUpdate(true);
            }

            private void ShowAction2(ToastInfo info)
            {
                var toast = GetToast();
                toast.SetNumber(info.arg1 - info.arg2, info.arg1);
                ((RectTransform)toast.transform).DOAnchorPosY(170, 1.8f).SetEase(Ease.OutQuart).OnComplete(() => ReturnToast(toast)).SetUpdate(true);
            }

            private void ShowAction3(ToastInfo info)
            {
                var toast = GetToast();
                toast.SetText(info.content);
                toast.SetQuality(info.arg1);
                toast.SetIcon(info.iconInfo);
                toast.transform.DOLocalMoveY(300f, 1.8f).SetEase(Ease.OutQuart).OnComplete(() => ReturnToast(toast)).SetUpdate(true);
            }

            private void ShowAction4(ToastInfo info)
            {
                var toast = GetToast();
                toast.SetText(info.content);
                ((RectTransform)toast.transform).DOAnchorPosY(0, 1f).SetEase(Ease.OutQuart).OnComplete(() => ReturnToast(toast)).SetUpdate(true);
            }

            private void ShowAction6(ToastInfo info)
            {
                var toast = GetToast();
                toast.SetText(info.content);
                toast.transform.localScale = Vector3.one;
                toast.transform.DOScale(1.5f, 0.8f).SetEase(Ease.OutQuart).OnComplete(() => ReturnToast(toast)).SetUpdate(true);
            }

            private void ShowAction7(ToastInfo info)
            {
                var toast = GetToast();
                toast.SetFx(info.content);
                toast.transform.DOLocalMoveY(300f, 1.2f).SetEase(Ease.OutQuart).OnComplete(() => ReturnToast(toast)).SetUpdate(true);
            }

            private void ShowAction8(ToastInfo info)
            {
                var toast = GetToast();
                toast.SetText(info.content);
                toast.SetText2($"x {info.arg1}");
                toast.SetQuality(info.arg2);
                toast.SetIcon(info.iconInfo);

                toast.transform.DOPunchScale(Vector3.one * 0.5f, 1f, 1, 1);
                toast.transform.DOLocalMoveY(300f, 1f).SetEase(Ease.OutQuart).OnComplete(() => ReturnToast(toast)).SetUpdate(true);
            }
            private void ShowAction10(ToastInfo info)
            {
                var toast = GetToast();
                toast.SetText(info.content);
                toast.transform.DOLocalMoveX(215f, 0.8f).SetEase(Ease.OutQuart).OnComplete(() => OPenDelay(toast)).SetUpdate(true);
            }

            void OPenDelay(ToastWidget toast)
            {
                toast.transform.DOLocalMoveX(215f, 0.45f).SetEase(Ease.OutQuart).OnComplete(() => toast.transform.DOLocalMoveX(1000f, 0.8f).SetEase(Ease.OutQuart).OnComplete(() => ReturnToast(toast))).SetUpdate(true);
            }

            public void AddInfo(ToastInfo info)
            {
                if (_infoQueue.Count > _infoMax)
                    _infoQueue.Dequeue();
                _infoQueue.Enqueue(info);
            }

            private ToastWidget GetToast()
            {
                ToastWidget result = null;
                int remain = _instances.Count;
                if (remain > 0)
                {
                    result = _instances[remain - 1];
                    _instances.RemoveAt(remain - 1);
                }
                else
                {
                    result = Object.Instantiate(template, template.transform.parent);
                    result.index = _index;
                }
                result.gameObject.SetActive(true);
                result.transform.localPosition = template.transform.localPosition;
                result.transform.localRotation = template.transform.localRotation;
                result.transform.localScale = template.transform.localScale;
                result.transform.SetAsLastSibling();
                _showCount++;
                return result;
            }

            private void ReturnToast(ToastWidget toast)
            {
                _showCount--;
                toast.gameObject.SetActive(false);
                _instances.Add(toast);
            }

            public void Update()
            {
                if (_timer > 0f)
                    _timer -= Time.unscaledDeltaTime;
                if (_timer <= 0f && _showCount < 3 && _infoQueue.Count > 0)
                {
                    _timer = _duration;
                    _showAction(_infoQueue.Dequeue());
                }
            }
        }

        #region Field 

        private Toaster[] _templateInfos;

        #endregion

        #region Method

        private void InitView()
        {
            var canvas = this.gameObject.GetComponent<Canvas>();
            canvas.overrideSorting = true;
            canvas.sortingOrder = 310;

            _templateInfos = new Toaster[transform.childCount];
            for (int i = 0; i < _templateInfos.Length; i++)
            {
                var templateGO = transform.GetChild(i).gameObject;
                templateGO.SetActive(false);
                var templateItem = templateGO.AddComponent<ToastWidget>();

                _templateInfos[i] = new Toaster
                {
                    template = templateItem,
                };
                _templateInfos[i].SetIndex(i);
            }
        }

        private void RefreshView()
        {
            SetAsLastSibling();
        }

        private void SetAsLastSibling()
        {
            if (gameObject)
                transform.SetAsLastSibling();
        }

        private void UpdateView()
        {
            if (_templateInfos == null)
                return;

            while (_infoQueue.Count > 0)
            {
                var info = _infoQueue.Dequeue();
                _templateInfos[info.type].AddInfo(info);
                SetAsLastSibling();
            }

            foreach (var templateInfo in _templateInfos)
            {
                templateInfo.Update();
            }
        }

        #endregion
    }
}