using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;

namespace Entity
{
    public class Outline : MonoBehaviour
    {
        public GameObject body;
        public SpriteRenderer outlineRenderer;
        public CapsuleCollider2D outlineCollider;

        public Entity entity;

        private bool _select = false;
        
        public static Vector3 minimum=new(0.5f,0.5f,0.5f);

        public void Init()
        {
            var size = GetSize();
            outlineRenderer.size = size;
            outlineCollider.direction = size.x > size.y ? CapsuleDirection2D.Horizontal : CapsuleDirection2D.Vertical;
            outlineCollider.size = size;
        }

        public void Show()
        {
            outlineRenderer.enabled = true;
        }

        public void Hide()
        {
            outlineRenderer.enabled = false;
        }

        /// <summary>
        /// 获取指定对象及其所有子对象组成的图像的大小。
        /// </summary>
        /// <returns>
        /// 返回一个 Vector3 对象，表示对象在世界空间中的总大小（宽度、高度、深度）。
        /// 如果没有找到任何渲染器，则返回 (-1, -1, -1) 表示无效大小。
        /// </returns>
        public Vector3 GetSize()
        {
            // 获取所有子对象的 Renderer 组件
            var renderers = body.GetComponentsInChildren<Renderer>();

            // 如果没有找到任何 Renderer，返回一个默认值 (-1, -1, -1)
            if (renderers.Length == 0)
            {
                return minimum;
            }

            // 初始化 totalBounds 为第一个 Renderer 的 bounds
            var totalBounds = renderers[0].bounds;

            // 遍历剩余的 Renderer，将它们的 bounds 合并到 totalBounds 中
            for (var i = 1; i < renderers.Length; i++)
            {
                totalBounds.Encapsulate(renderers[i].bounds);
            }

            // 获取合并后的包围盒的大小
            var size = totalBounds.size;

            // 确保每个维度的大小都不小于 0.5
            size.x = Mathf.Max(size.x, 0.5f);
            size.y = Mathf.Max(size.y, 0.5f);
            size.z = Mathf.Max(size.z, 0.5f);

            return size;
        }

        private void OnMouseEnter()
        {
            Show();
            _select = true;
        }

        private void OnMouseExit()
        {
            Hide();
            _select = false;
        }

        private void OnMouseOver()
        {
            // 检测是否按下的是鼠标右键
            if (Input.GetMouseButtonDown(1)) // 鼠标右键对应的是按钮索引 1
            {
                var rightMenu = Prefab.RightMenuPrefab.Instance;
                rightMenu.Init(GetMenu());
                rightMenu.transform.position = Input.mousePosition;
                rightMenu.Show();
            }
        }

        private List<(string name, UnityAction callback)> GetMenu()
        {
            var result = new List<(string name, UnityAction callback)>();
            if (entity.PlayerControlled)
                result.Add(("结束操控", EndControl));
            else
                result.Add(("手动操控", StartControl));
            result.Add(("杀死", () => entity.Kill()));
            result.Add(("变成笨蛋", BecomeDefault));
            return result;
        }

        private void BecomeDefault()
        {
            entity.Kill();
            Managers.EntityManage.Instance.GenerateDefaultEntity(entity.Position);
        }

        private void StartControl()
        {
            entity.PlayerControlled = true;
            CameraControl.CameraControl.Instance.focusedEntity=entity;
        }

        private void EndControl()
        {
            entity.PlayerControlled = false;
            CameraControl.CameraControl.Instance.focusedEntity=null;
        }
    }
}