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

namespace GeometryTD.UI
{
    public class RepoForm : UGuiForm
    {
        [SerializeField] private CombineArea _combineArea;
        [SerializeField] private CompArea _compArea;
        [SerializeField] private SellArea _sellArea;
        [SerializeField] private ParticipantArea _participantArea;
        [SerializeField] private TMP_Text _goldText;
        [SerializeField] private CommonButton _sellModeButton;
        [SerializeField] private TMP_Text _sellModeButtonText;

        public void RefreshUI(RepoFormContext context)
        {
            if (context == null)
            {
                return;
            }

            RefreshGoldText(context.GoldText);
            RefreshStateUI(context);

            _combineArea?.OnInit(context.CombineAreaContext);
            _compArea?.OnInit(context.CompAreaContext);
            _sellArea?.OnInit(context.SellAreaContext);
            _participantArea?.OnInit(context.ParticipantAreaContext);

            if (_combineArea != null)
            {
                _combineArea.gameObject.SetActive(context.ShowCombineArea);
                _combineArea.SetInteractionEnabled(context.State == RepoFormState.Assemble);
            }

            if (_sellArea != null)
            {
                _sellArea.gameObject.SetActive(context.ShowSellArea);
            }

            _participantArea?.SetInteractionEnabled(context.State == RepoFormState.Assemble);
        }

        public void RefreshGoldText(string goldText)
        {
            if (_goldText != null)
            {
                _goldText.text = goldText ?? string.Empty;
            }
        }

        public bool TryAssignItemToCombineArea(RepoItemContext itemContext)
        {
            if (_combineArea == null)
            {
                return false;
            }

            return _combineArea.TryAssignItem(itemContext);
        }

        public bool TryClearCombineSlot(int slotIndex, out long removedItemId)
        {
            removedItemId = 0;
            if (_combineArea == null)
            {
                return false;
            }

            return _combineArea.TryClearSlot(slotIndex, out removedItemId);
        }

        public void SetRepoItemSelected(long itemId, bool isSelected)
        {
            _compArea?.SetItemSelected(itemId, isSelected);
        }

        public void RefreshParticipantArea(ParticipantAreaContext context)
        {
            _participantArea?.OnInit(context);
        }

        protected override void OnOpen(object userData)
        {
            base.OnOpen(userData);
            if (userData is RepoFormContext context)
            {
                RefreshUI(context);
                return;
            }

            Log.Warning("RepoForm requires RepoFormContext as userData.");
        }

        protected override void OnClose(bool isShutdown, object userData)
        {
            if (_goldText != null)
            {
                _goldText.text = string.Empty;
            }

            _combineArea?.OnReset();
            _compArea?.OnReset();
            _sellArea?.OnReset();
            _participantArea?.OnReset();
            base.OnClose(isShutdown, userData);
        }

        public void OnReturnButtonClick()
        {
            GameEntry.Event.Fire(this, RepoFormReturnEventArgs.Create());
        }

        public void OnSellModeButtonClick()
        {
            GameEntry.Event.Fire(this, RepoSellModeToggleRequestedEventArgs.Create());
        }

        private void RefreshStateUI(RepoFormContext context)
        {
            if (_sellModeButton != null)
            {
                _sellModeButton.gameObject.SetActive(context != null && context.ShowSellModeButton);
            }

            if (_sellModeButtonText != null)
            {
                _sellModeButtonText.text = context?.SellModeButtonText ?? "出售模式";
            }
        }
    }
}