using GeometryTD.CustomEvent;
using TMPro;
using UnityEngine;
using UnityGameFramework.Runtime;

namespace GeometryTD.UI
{
    public class RewardSelectForm : UGuiForm
    {
        [SerializeField] private Transform _selectItemParent;
        
        [SerializeField] private RewardItem[] _rewardItems;

        [SerializeField] private TMP_Text _tipText;

        [SerializeField] private TMP_Text _refreshButtonText;

        [SerializeField] private CommonButton _refreshButton;

        [SerializeField] private CommonButton _giveUpButton;

        private RewardSelectFormContext _context;
        
        public void OnInit(RewardSelectFormContext context)
        {
            if (context == null)
            {
                Log.Error("RewardSelectForm need Context.");
                return;
            }
            
            RefreshUI(context);
        }

        public void RefreshUI(RewardSelectFormContext context)
        {
            _context = context;
            EnsureRewardItems();

            if (_tipText != null)
            {
                _tipText.text = context?.TipText ?? string.Empty;
            }

            if (_refreshButtonText != null)
            {
                _refreshButtonText.text = context?.RefreshButtonText ?? string.Empty;
            }

            if (_refreshButton != null)
            {
                _refreshButton.Interactive = context?.CanRefresh ?? false;
            }

            if (_giveUpButton != null)
            {
                _giveUpButton.Interactive = context?.CanGiveUp ?? false;
            }

            if (_rewardItems == null || _rewardItems.Length <= 0)
            {
                return;
            }

            for (int i = 0; i < _rewardItems.Length; i++)
            {
                RewardItem rewardItem = _rewardItems[i];
                if (rewardItem == null)
                {
                    continue;
                }

                RewardItemContext itemContext = null;
                if (context?.RewardItems != null && i < context.RewardItems.Length)
                {
                    itemContext = context.RewardItems[i];
                }

                rewardItem.OnInit(itemContext);
            }
        }
        
        public void OnRefreshButtonClick()
        {
            if (_context != null && !_context.CanRefresh)
            {
                return;
            }

            GameEntry.Event.Fire(this, RewardSelectRefreshEventArgs.Create());
        }
        
        public void OnGiveUpButtonClick()
        {
            if (_context != null && !_context.CanGiveUp)
            {
                return;
            }

            GameEntry.Event.Fire(this, RewardSelectGiveUpEventArgs.Create());
        }

        protected override void OnOpen(object userData)
        {
            base.OnOpen(userData);

            if (userData is RewardSelectFormContext context)
            {
                RefreshUI(context);
                return;
            }

            Log.Warning("RewardSelectForm requires RewardSelectFormContext as userData.");
        }

        protected override void OnClose(bool isShutdown, object userData)
        {
            _context = null;

            if (_tipText != null)
            {
                _tipText.text = string.Empty;
            }

            if (_refreshButtonText != null)
            {
                _refreshButtonText.text = string.Empty;
            }

            if (_rewardItems != null)
            {
                for (int i = 0; i < _rewardItems.Length; i++)
                {
                    RewardItem rewardItem = _rewardItems[i];
                    if (rewardItem == null)
                    {
                        continue;
                    }

                    rewardItem.OnReset();
                    rewardItem.gameObject.SetActive(false);
                }
            }

            base.OnClose(isShutdown, userData);
        }

        private void EnsureRewardItems()
        {
            if (_rewardItems != null && _rewardItems.Length > 0)
            {
                return;
            }

            if (_selectItemParent != null)
            {
                _rewardItems = _selectItemParent.GetComponentsInChildren<RewardItem>(true);
            }

            if (_rewardItems == null || _rewardItems.Length <= 0)
            {
                _rewardItems = GetComponentsInChildren<RewardItem>(true);
            }
        }
    }
    
}