using asap.core;
using cfg;
using System;
using System.Collections.Generic;
using UnityEngine;
using Random = UnityEngine.Random;

public class FishManager : MonoBehaviour
{
    [SerializeField] private GameObject fishPrefab;
    public Vector3 tankSize;
    private Vector3 _tankCenter = Vector3.zero;
    public Vector3 tankCenter => _tankCenter;
    [Header("Fish Parameters")]
    public float avoidRadius;
    public float alignRadius;
    public float obstacleDetectionRadius;
    public float avoidance, alignment, cohesion, trigger, obstacle, areaConstrain, maxVel, minVel, angularAcc, magnitudeAcc, dvLerp;
    public float zMoveRatio = 0.4f;
    private Vector3 HalfSize => tankSize / 2;

    public Dictionary<int, GameObject> fishUnDownloadAlter;
    Dictionary<int, List<FishMovement>> _fishGroups = new Dictionary<int, List<FishMovement>>();
    [NonSerialized]
    public List<FishMovement> allFish = new List<FishMovement>();
    [NonSerialized]
    public List<GameObject> obstacleGo = new List<GameObject>();

    public float MaxLoadTime { set; get; } = 50;
    private void Start()
    {
        _tankCenter = transform.position;
        fishPrefab.gameObject.SetActive(false);
    }

    /// <summary>
    /// 初始鱼群
    /// </summary>
    /// <param name="mutantMaterial"> 是否变异 变异材质 </param>
    /// <param name="fishItemID">鱼的item ID</param>
    /// <param name="count">鱼当前剩余的数量</param>
    /// <param name="groupId">鱼群分组</param>
    /// 
    public void AddFish(Material mutantMaterial, GameObject fxLeftEye, GameObject fxRightEye,
        AquariumSlotData slotData, int count, int groupId)
    {
        if (_fishGroups.ContainsKey(groupId))
        {
            return;
        }
        var fishGroup = new List<FishMovement>();
        _fishGroups[groupId] = fishGroup;
        Tables tables = GContext.container.Resolve<Tables>();
        Item item = tables.TbItem.GetOrDefault(slotData.fishItemID);
        var fishData = tables.TbFishData.GetOrDefault(item.RedirectID);
        float startSizeZ = (slotData.aquariumFishID - 1) * zMoveRatio * tankSize.z;
        var position = GetRandomPositionAndRotation(startSizeZ);
        var rot = Random.rotation;

        for (int i = 0; i < count; i++)
        {
            var go = Instantiate(fishPrefab, position + Random.onUnitSphere, rot, transform);
            go.SetActive(true);
            go.name = $"fish{groupId}_{i}";
            var movement = go.GetComponent<FishMovement>();
            movement.index = i;
            movement.groupId = groupId;
            float mutantScale = 1;
            if (i < slotData.mutants)
            {
                mutantScale = tables.TbFishMutant.AquariumScale[fishData.Quality - 1];
            }
            go.transform.localScale = Vector3.one * fishData.AquariumMinScale * mutantScale;
            movement.Init(this, slotData, startSizeZ, fishData, mutantScale);
            fishGroup.Add(movement);
            allFish.Add(movement);
        }
        LoadFish(fishGroup, mutantMaterial, fxLeftEye, fxRightEye);
    }

    async void LoadFish(List<FishMovement> fishMovements, Material mutantMaterial, GameObject fxLeftEye, GameObject fxRightEye)
    {
        for (int i = 0; i < fishMovements.Count; i++)
        {
            if (fishMovements[i] == null || fishMovements[i].isResult)
            {
                return;
            }
            await fishMovements[i].LoadFish(mutantMaterial, fxLeftEye, fxRightEye);
        }
    }

    private Vector3 GetRandomPositionAndRotation(float startSizeZ)
    {
        var HalfSize = tankSize / 2;
        var pos = new Vector3(
            x: UnityEngine.Random.Range(-HalfSize.x, HalfSize.x),
            y: UnityEngine.Random.Range(-HalfSize.y, HalfSize.y) / 2,
            z: UnityEngine.Random.Range(-HalfSize.z, HalfSize.z));
        pos += tankCenter;
        pos.z += startSizeZ;
        return pos;
    }

    public void RemoveFish(int groupId)
    {
        if (!_fishGroups.TryGetValue(groupId, out List<FishMovement> fishGroup))
        {
            return;
        }
        if (fishGroup.Count > 0)
        {
            for (int i = 0; i < fishGroup.Count; i++)
            {
                Destroy(fishGroup[i].gameObject);
                allFish.Remove(fishGroup[i]);
            }
        }
        _fishGroups.Remove(groupId);
    }
    public void SetFishScale(int groupId, float scale, int mutants, float aquariumScale)
    {
        if (!_fishGroups.TryGetValue(groupId, out List<FishMovement> fishGroup))
        {
            return;
        }

        if (fishGroup.Count > 0)
        {
            for (int i = 0; i < fishGroup.Count; i++)
            {
                if (i < mutants)
                {
                    fishGroup[i].transform.localScale = Vector3.one * scale * aquariumScale;
                }
                else
                {
                    fishGroup[i].transform.localScale = Vector3.one * scale;
                }
            }
        }
    }
    public FishMovement GetFish(int groupId)
    {
        if (!_fishGroups.TryGetValue(groupId, out List<FishMovement> fishGroup))
        {
            return null;
        }

        if (fishGroup.Count > 0)
        {
            return fishGroup[0];
        }
        return null;
    }
    public void AllEscape()
    {
        for (int i = 0; i < allFish.Count; i++)
        {
            allFish[i].AllEscape();
        }
    }

#if UNITY_EDITOR
    private void OnDrawGizmos()
    {
        _tankCenter = transform.position;
        Gizmos.color = Color.cyan;
        // Gizmos.DrawCube(_tankCenter, tankSize);
        var halfSize = tankSize / 2;

        // Define the 8 vertices of the cube
        var vertices = new Vector3[8]
        {
            _tankCenter + new Vector3(-halfSize.x, -halfSize.y, -halfSize.z),
            _tankCenter + new Vector3(halfSize.x, -halfSize.y, -halfSize.z),
            _tankCenter + new Vector3(halfSize.x, -halfSize.y, halfSize.z),
            _tankCenter + new Vector3(-halfSize.x, -halfSize.y, halfSize.z),
            _tankCenter + new Vector3(-halfSize.x, halfSize.y, -halfSize.z),
            _tankCenter + new Vector3(halfSize.x, halfSize.y, -halfSize.z),
            _tankCenter + new Vector3(halfSize.x, halfSize.y, halfSize.z),
            _tankCenter + new Vector3(-halfSize.x, halfSize.y, halfSize.z)
        };

        // Draw bottom square
        Gizmos.DrawLine(vertices[0], vertices[1]);
        Gizmos.DrawLine(vertices[1], vertices[2]);
        Gizmos.DrawLine(vertices[2], vertices[3]);
        Gizmos.DrawLine(vertices[3], vertices[0]);

        // Draw top square
        Gizmos.DrawLine(vertices[4], vertices[5]);
        Gizmos.DrawLine(vertices[5], vertices[6]);
        Gizmos.DrawLine(vertices[6], vertices[7]);
        Gizmos.DrawLine(vertices[7], vertices[4]);

        // Draw vertical edges
        Gizmos.DrawLine(vertices[0], vertices[4]);
        Gizmos.DrawLine(vertices[1], vertices[5]);
        Gizmos.DrawLine(vertices[2], vertices[6]);
        Gizmos.DrawLine(vertices[3], vertices[7]);
    }
#endif
}