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);
            GameEntry.Event.Subscribe(CombatDebugFailEventArgs.EventId, OnCombatDebugFailButtonClicked);
            GameEntry.Event.Subscribe(CombatProcessEventArgs.EventId, OnCombatProcessChanged);
            GameEntry.Event.Subscribe(CombatCoinChangedEventArgs.EventId, OnCombatCoinChanged);
            GameEntry.Event.Subscribe(CombatBaseHpChangedEventArgs.EventId, OnCombatBaseHpChanged);
            GameEntry.Event.Subscribe(CombatEnemyHpRateChangedEventArgs.EventId, OnCombatEnemyHpRateChanged);
        }

        protected override void UnsubscribeCustomEvents()
        {
            GameEntry.Event.Unsubscribe(CombatPauseEventArgs.EventId, OnCombatPauseButtonClicked);
            GameEntry.Event.Unsubscribe(CombatEndEventArgs.EventId, OnCombatEndButtonClicked);
            GameEntry.Event.Unsubscribe(CombatDebugFailEventArgs.EventId, OnCombatDebugFailButtonClicked);
            GameEntry.Event.Unsubscribe(CombatProcessEventArgs.EventId, OnCombatProcessChanged);
            GameEntry.Event.Unsubscribe(CombatCoinChangedEventArgs.EventId, OnCombatCoinChanged);
            GameEntry.Event.Unsubscribe(CombatBaseHpChangedEventArgs.EventId, OnCombatBaseHpChanged);
            GameEntry.Event.Unsubscribe(CombatEnemyHpRateChangedEventArgs.EventId, OnCombatEnemyHpRateChanged);
        }

        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),
                BaseHpText = BuildBaseHpText(rawData.BaseHp, rawData.BaseHpMax),
                EnemyHpRateText = BuildEnemyHpRateText(rawData.EnemyHpRateMultiplier),
                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 static string BuildBaseHpText(int baseHp, int baseHpMax)
        {
            if (baseHpMax <= 0)
            {
                return "\u57FA\u5730\uFF1A-";
            }

            int clampedHp = UnityEngine.Mathf.Clamp(baseHp, 0, baseHpMax);
            int percent = UnityEngine.Mathf.RoundToInt((float)clampedHp / baseHpMax * 100f);
            return $"\u57FA\u5730\uFF1A{percent}%";
        }

        private static string BuildEnemyHpRateText(int enemyHpRateMultiplier)
        {
            int resolvedMultiplier = enemyHpRateMultiplier > 0 ? enemyHpRateMultiplier : 1;
            return $"\u96BE\u5EA6\uFF1A{resolvedMultiplier}x";
        }

        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();
        }

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

            _useCase?.TryDebugFail();
        }

        private void OnCombatProcessChanged(object sender, GameEventArgs e)
        {
            if (!(e is CombatProcessEventArgs))
            {
                return;
            }

            RefreshFromUseCase();
        }

        private void OnCombatCoinChanged(object sender, GameEventArgs e)
        {
            if (!(e is CombatCoinChangedEventArgs))
            {
                return;
            }

            RefreshFromUseCase();
        }

        private void OnCombatBaseHpChanged(object sender, GameEventArgs e)
        {
            if (!(e is CombatBaseHpChangedEventArgs))
            {
                return;
            }

            RefreshFromUseCase();
        }

        private void OnCombatEnemyHpRateChanged(object sender, GameEventArgs e)
        {
            if (!(e is CombatEnemyHpRateChangedEventArgs))
            {
                return;
            }

            RefreshFromUseCase();
        }

        private void RefreshFromUseCase()
        {
            if (_useCase == null)
            {
                return;
            }

            CombatInfoFormRawData rawData = _useCase.TryRefresh();
            CombatInfoFormContext context = BuildContext(rawData);
            if (context == null)
            {
                return;
            }

            SetContext(context);
            RefreshCurrentUI();
        }
    }
}