using UnityEngine;
using DG.Tweening;
using System.Collections.Generic;
using System.Collections;
using cfg;
using asap.core;

public class CraneCtrl : MonoBehaviour
{
    private DistanceJoint2D _djL, _djR;
    [SerializeField] private Rigidbody2D _rb;
    private Vector2 _direction = Vector2.zero, _craneAnchorOffset;
    private float _driftOffset, _craneCycleHalfDistance,
        _blockAnchorCoefficient, _lineThickness, _blockDepth;
    private Block _currentBlock = null;
    private bool _maxDistanceOnly, _hasAutoDistance, _needKicking = false;
    private Transform _focus;
    private List<int> _LvlThresh;
    private List<float> _craneHeightRise, _craneHeightDescend, _craneCycleTime, _craneRiseTime;
    private InfiniteBuildingData _data;
    [SerializeField] private LineRenderer _lineL, _lineR;
    private TbConstructionHeightEvent _tableHeightEvent;
    private IEventAggregator _eventAggregator;
    private float CraneRiseTime { get => GetDataByIBLvl<float>(_data.Lvl, _LvlThresh, _craneRiseTime); }
    public Rigidbody2D Rb { get => _rb; }
    private float CraneAcc {
        get
        {
            float t = GetDataByIBLvl<float>(_data.Lvl, _LvlThresh, _craneCycleTime) / 4;
            return 2 * _craneCycleHalfDistance / t / t;
        }
    }
    private float CraneMaxSpeed
    {
        get
        {
            float t = GetDataByIBLvl<float>(_data.Lvl, _LvlThresh, _craneCycleTime) / 4;
            return 2 * _craneCycleHalfDistance / t;
        }
    }
    public void Init(InfiniteBuildingConf config, Transform focus, InfiniteBuildingData data, IEventAggregator ea)
    {
        _eventAggregator = ea;
        _tableHeightEvent = GContext.container.Resolve<Tables>().TbConstructionHeightEvent;
        _craneCycleTime = new List<float>();
        _LvlThresh = new List<int>();
        _craneHeightRise = new List<float>();
        _craneHeightDescend = new List<float>();
        _craneRiseTime = new List<float>();
        foreach (var c in _tableHeightEvent.DataList)
        {
            _craneCycleTime.Add(c.CraneCycleTime);
            _LvlThresh.Add(c.Height);
            _craneHeightRise.Add(c.CraneHeightRise);
            _craneHeightDescend.Add(c.CraneHeightToFocus);
            _craneRiseTime.Add(c.CraneRiseTime);
        }
        _craneCycleHalfDistance = config.craneCycleHalfDistance;
        _craneAnchorOffset = config.craneAnchorOffset;
        _blockAnchorCoefficient = config.blockAnchorCoefficient;
        _maxDistanceOnly = config.maxDistanceOnly;
        _hasAutoDistance = config.hasAutoDistance;
        _driftOffset = config.blockDriftOffset;
        _lineThickness = config.craneLineThickness;
        _blockDepth = config.blockDepth;
        _focus = focus;
        _data = data;
        _lineL.startWidth = _lineL.endWidth = _lineR.startWidth = _lineR.endWidth = _lineThickness;
    }
    public void PlayerCtrlFixedUpdate()
    {
        if (_rb.position.x < 0)
            _direction = Vector2.right;
        else
            _direction = Vector2.left;
        if (_needKicking)
        {
            _needKicking = false;
            _rb.velocity = Mathf.Lerp(0, CraneMaxSpeed,
                1 - Mathf.Abs(_rb.position.x) / _craneCycleHalfDistance)
                *_direction;
            //Debug.Log($"Kick!!!!!!!!!!{_rb.velocity}");
        }

        _rb.velocity += CraneAcc * Time.fixedDeltaTime * _direction;
        //draw line
        if (_djL != null && _djR != null && _lineL != null && _lineR != null
            && _lineL.gameObject.activeSelf && _lineR.gameObject.activeSelf
            && _currentBlock != null)
            SetJointPosition();
    }
    public void Kick()
    {
        _needKicking = true;
    }
    public void AttachJoints(Block block)
    {
        _currentBlock = block;
        _djL = gameObject.AddComponent<DistanceJoint2D>();
        _djR = gameObject.AddComponent<DistanceJoint2D>();
        if (_djL == null || _djR == null || _lineL == null || _lineR == null)
        {
            Debug.LogError($"Components not generated for {gameObject}");
        }
        _lineL.gameObject.SetActive(true);
        _lineR.gameObject.SetActive(true);
        SetJointPosition();
        _djL.anchor = new Vector2(-_craneAnchorOffset.x, _craneAnchorOffset.y);
        _djR.anchor = _craneAnchorOffset;
        _djL.connectedBody = block.Rb;
        _djR.connectedBody = block.Rb;
        _djL.connectedAnchor = new Vector2(-block.Width * _blockAnchorCoefficient / 2, block.Height);
        _djR.connectedAnchor = new Vector2(block.Width * _blockAnchorCoefficient / 2, block.Height);
        _djL.maxDistanceOnly = _maxDistanceOnly;
        _djR.maxDistanceOnly = _maxDistanceOnly;
        _djL.autoConfigureDistance = _hasAutoDistance;
        _djR.autoConfigureDistance = _hasAutoDistance;
        _djL.breakAction = JointBreakAction2D.Destroy;
        _djR.breakAction = JointBreakAction2D.Destroy;
        if (!_hasAutoDistance)
        {
            float jd = Mathf.Sqrt(
                (block.Width * 0.5f * _blockAnchorCoefficient)
                * (block.Width * 0.5f * _blockAnchorCoefficient)
                + _driftOffset * _driftOffset);
            _djL.distance = jd;
            _djR.distance = jd;
        }
    }
    public IEnumerator DropBlockAndRise()
    {
        _eventAggregator.Publish(new EventInfiniteBuildingPlayAudio("BlockFall"));
        _eventAggregator.Publish(new EventInfiniteBuildingPlayAudio("CraneRise"));
        _currentBlock = null;
        _rb.velocity = Vector2.zero;
        _djL.breakForce = 0;
        _djR.breakForce = 0;
        _lineL.gameObject.SetActive(false);
        _lineR.gameObject.SetActive(false);
        yield return new WaitForFixedUpdate();
        //await Task.Delay((int)(Time.deltaTime * 1000 * 2));
        float h = GetDataByIBLvl<float>(_data.Lvl, _LvlThresh, _craneHeightRise);
        _rb.DOMoveY(_focus.position.y + h, CraneRiseTime);
        //await Rise();
    }
    public void ResetPosition()
    {
        transform.position = new Vector3(0, _focus.position.y +
            GetDataByIBLvl<float>(_data.Lvl, _LvlThresh, _craneHeightRise), _blockDepth);
    }
    public async System.Threading.Tasks.Task Descend()
    {
        // ResetPosition();
        _eventAggregator.Publish(new EventInfiniteBuildingPlayAudio("CraneDescend"));
        await _rb.DOMoveY(_focus.position.y +
            GetDataByIBLvl<float>(_data.Lvl, _LvlThresh, _craneHeightDescend),
            CraneRiseTime).AsyncWaitForCompletion();
    }
    //public async Task Rise(float duration = 0.5f)
    //{
    //    _rb.velocity = Vector2.zero;
    //    await _rb.DOMoveY(_focus.position.y +
    //        GetDataByIBLvl<float>(_data.Lvl, _LvlThresh, _craneHeightRise),
    //        duration).AsyncWaitForCompletion();
    //}
    private void SetJointPosition()
    {
        Vector3 cranePointL = gameObject.transform.position + (Vector3)_djL.anchor;
        Vector3 cranePointR = gameObject.transform.position + (Vector3)_djR.anchor;
        Vector3 blockPointL = _currentBlock.transform.position + Quaternion.AngleAxis(
            _currentBlock.Rb.rotation, Vector3.forward) * (Vector3)_djL.connectedAnchor;
        Vector3 blockPointR = _currentBlock.transform.position + Quaternion.AngleAxis(
            _currentBlock.Rb.rotation, Vector3.forward) * (Vector3)_djR.connectedAnchor;
        _lineL.SetPositions(new Vector3[] { cranePointL, blockPointL });
        _lineR.SetPositions(new Vector3[] { cranePointR, blockPointR });
    }    
    private T GetDataByIBLvl<T>(int lvl, List<int> lvlThresh, List<T> dataList)
    {
        if (lvlThresh.Count != dataList.Count)
        {
            Debug.LogError($"lvlTresh count {lvlThresh.Count} does not" +
                $"match dataList count {dataList.Count}");
            return default(T);
        }
        for (int i = 0; i < lvlThresh.Count - 1; i++)
        {
            if (lvl < lvlThresh[i + 1])
                return dataList[i];
        }
        return dataList[^1];
    }
}