/*
* @Author: 白哉
* @Description: AI 逻辑总模块
* @Date: 2025年04月01日 星期二 14:04:01
* @Modify: 
*/


using System.Collections.Generic;
using System.Diagnostics;
using Logic.Action;
using UnityEngine;
using RuntimeData;
using Debug = UnityEngine.Debug;


namespace Logic.AI
{
    public enum AILogicState
    {
        Prepare,
        Playing,
        Pausing,
        Finished,
    }

    public enum AIActionType
    {
        Grid,
        City,
        Unit,
        Tech,
        Max,
    }


    public class AILogic
    {
        public AILogicState AILogicState;
        
        private float _recordTime;
        private AIActionScoreCalculator _scoreCalculator;
        private AIActionGenerator _generator;
        
        private List<AIActionBase> RecordActions;
        private AIActionBase MaxScoreAction;

        private MapData _mapData;
        private PlayerData _playerData;
        private AIConfigAsset _cfg;
        
        
        public AILogic()
        {
            AILogicState = AILogicState.Prepare;
            RecordActions = new List<AIActionBase>();
            _scoreCalculator = new AIActionScoreCalculator();
            _cfg = Resources.Load<AIConfigAsset>("DataAssets/AIConfig");

            _generator = new AIActionGenerator();
        }
        
        // 开始 AI 逻辑
        public void StartAILogic(MapData mapData, PlayerData playerData)
        {
            AILogicState = AILogicState.Playing;
            _mapData = mapData;
            _playerData = playerData;
            _generator.Init(_mapData, _playerData);
        }
        
        // 结束 AI 逻辑
        public void FinishAILogic()
        {
            RecordActions.Clear();
        }

        // 更新 AI 逻辑
        public void Update()
        {
            if (AILogicState == AILogicState.Finished || AILogicState == AILogicState.Prepare) return;
            if (AILogicState == AILogicState.Pausing)
            {
                if (Time.time - _recordTime > DebugCenter.Instance.DebugAIActionTime) AILogicState = AILogicState.Playing;
            }

            if (AILogicState == AILogicState.Playing)
            {
                Stopwatch sw = new Stopwatch();
                sw.Start();
                RecordActions.Clear();
                _generator.GeneratorOneStepActions(_mapData, _playerData, RecordActions);
                CalculateMaxScoreAction();
                if (sw.Elapsed.TotalMilliseconds > 20) Debug.Log($"{_generator.ActionType} 耗时：{sw.Elapsed.TotalMilliseconds} ms");
                
                // AI 执行已结束
                if (!GetAILogicPermission())
                {
                    AILogicState = AILogicState.Finished;
                }
                // 无行动可执行
                else if(MaxScoreAction == null)
                {
                    AILogicState = AILogicState.Finished;
                    FinishAILogic();
                }
                // 执行行动
                else
                {
                    MaxScoreAction.Param.MapData = _mapData;
                    MaxScoreAction.Param.RefreshParams();
                    
                    if (MaxScoreAction.ActionLogic is UnitAttackAction)
                    {
                        _mapData.GetGridDataByUnitId(MaxScoreAction.Param.UnitData.Id, out var grid);
                        _mapData.GetGridDataByUnitId(MaxScoreAction.Param.TargetUnitData.Id, out var target);
                        Debug.Log($"小兵攻击 {MaxScoreAction.Param.UnitData.Id}, " +
                                  $"位置{grid.Pos.X}, {grid.Pos.Y},  " +
                                  $"目标 {MaxScoreAction.Param.TargetUnitData.Id}, " +
                                  $"目标位置{target.Pos.X}, {target.Pos.Y}");
                    }

                    if (MaxScoreAction.ActionLogic is UnitMoveAction)
                    {
                        _mapData.GetGridDataByUnitId(MaxScoreAction.Param.UnitData.Id, out var grid);
                        Debug.Log($"小兵移动 {MaxScoreAction.Param.UnitData.Id},  " +
                                  $"位置{grid.Pos.X}, {grid.Pos.Y},  " +
                                  $"目标 {MaxScoreAction.Param.GridData.Pos.X}, {MaxScoreAction.Param.GridData.Pos.Y}");
                    }

                    MaxScoreAction.CheckIsActionInPlayerSight();
                    MaxScoreAction.ActionLogic.Execute(MaxScoreAction.Param);
                    AILogicState = AILogicState.Pausing;
                    _recordTime = Time.time;
                    if (!MaxScoreAction.IsInSight) _recordTime -= DebugCenter.Instance.DebugAIActionTime - 0.04f;
                    MaxScoreAction = null;
                }
            }
        }
        
        // 获取 AI 执行权限
        private bool GetAILogicPermission()
        {
            return true;
        }
        
        // 选取最高得分行动
        private void CalculateMaxScoreAction()
        {
            if (RecordActions.Count == 0) return;
            MaxScoreAction = _scoreCalculator.CalculateMaxScoreAIAction(_mapData, _playerData, RecordActions, _cfg);
            if (MaxScoreAction != null && MaxScoreAction.ActionLogic.ActionId != null &&
                MaxScoreAction.ActionLogic.ActionId.ActionType == CommonActionType.LearnTech)
            {
                Debug.LogWarning($"学习科技了！！！！！ {MaxScoreAction.ActionLogic.ActionId.TechType}");
            }
        }
    }
}