using GeometryTD.CustomEvent;
using GeometryTD.Definition;
using GameFramework.Event;
using UnityGameFramework.Runtime;

namespace GeometryTD.UI
{
    public class CombatInfoFormController : UIFormControllerCommonBase<CombatInfoFormContext, CombatInfoForm>
    {
        private CombatInfoFormUseCase _useCase;

        protected override UIFormType UIFormTypeId => UIFormType.CombatInfoForm;

        protected override void RefreshUI(CombatInfoForm form, CombatInfoFormContext context)
        {
            form.RefreshUI(context);
        }

        protected override void SubscribeCustomEvents()
        {
            GameEntry.Event.Subscribe(CombatPauseEventArgs.EventId, OnCombatPauseButtonClicked);
            GameEntry.Event.Subscribe(CombatEndEventArgs.EventId, OnCombatEndButtonClicked);
        }

        protected override void UnsubscribeCustomEvents()
        {
            GameEntry.Event.Unsubscribe(CombatPauseEventArgs.EventId, OnCombatPauseButtonClicked);
            GameEntry.Event.Unsubscribe(CombatEndEventArgs.EventId, OnCombatEndButtonClicked);
        }

        public int? OpenUI(CombatInfoFormRawData rawData)
        {
            CombatInfoFormContext context = BuildContext(rawData);
            return OpenUIInternal(context);
        }

        public override int? OpenUI(object userData = null)
        {
            if (userData is CombatInfoFormContext context)
            {
                return OpenUIInternal(context);
            }

            if (userData is CombatInfoFormRawData rawDataFromUserData)
            {
                return OpenUI(rawDataFromUserData);
            }

            if (userData != null)
            {
                Log.Warning("CombatInfoFormController.OpenUI() userData type is invalid.");
                return null;
            }

            if (_useCase == null)
            {
                Log.Error("CombatInfoFormController.OpenUI() useCase is null.");
                return null;
            }

            CombatInfoFormRawData rawData = _useCase.CreateInitialModel();
            return OpenUI(rawData);
        }

        public override void BindUseCase(IUIUseCase useCase)
        {
            if (!(useCase is CombatInfoFormUseCase combatInfoFormUseCase))
            {
                Log.Error("CombatInfoFormController.BindUseCase() useCase is invalid.");
                return;
            }

            _useCase = combatInfoFormUseCase;
        }

        private static CombatInfoFormContext BuildContext(CombatInfoFormRawData rawData)
        {
            if (rawData == null)
            {
                return null;
            }

            return new CombatInfoFormContext
            {
                LevelMetaText = BuildLevelMetaText(rawData.LevelThemeType, rawData.LevelId),
                LevelPhaseText = BuildPhaseText(rawData.CurrentPhaseIndex, rawData.TotalPhaseCount),
                CoinText = BuildCoinText(rawData.Coin),
                CanPause = rawData.CanPause,
                CanEnd = rawData.CanEnd
            };
        }

        private static string BuildLevelMetaText(LevelThemeType themeType, int levelId)
        {
            if (levelId <= 0)
            {
                return "Map -";
            }

            return $"{themeType} Map.{levelId}";
        }

        private static string BuildPhaseText(int currentPhaseIndex, int totalPhaseCount)
        {
            int phaseIndex = currentPhaseIndex < 0 ? 0 : currentPhaseIndex;
            if (totalPhaseCount <= 0)
            {
                return $"{phaseIndex}/?";
            }

            return $"Wave: {phaseIndex}/{totalPhaseCount}";
        }

        private static string BuildCoinText(int coin)
        {
            if (coin < 0)
            {
                return "Coin: -";
            }

            return $"Coin: {coin}";
        }

        private void OnCombatPauseButtonClicked(object sender, GameEventArgs e)
        {
            if (!(sender is CombatInfoForm) || !(e is CombatPauseEventArgs))
            {
                return;
            }

            GameEntry.UIRouter.OpenUI(UIFormType.DialogForm, new DialogFormRawData
            {
                Mode = 1,
                Title = "Pause",
                Message = "Game paused.",
                PauseGame = true,
                ConfirmText = "Continue"
            });
        }

        private void OnCombatEndButtonClicked(object sender, GameEventArgs e)
        {
            if (!(sender is CombatInfoForm) || !(e is CombatEndEventArgs))
            {
                return;
            }

            _useCase?.TryEndCombat();
        }
    }
}