using System;
using System.Collections;
using AibisDream.FixSystem;
using AibisDream.Framework;
using AibisDream.Utility;
using Cinemachine;
using DG.Tweening;
using UnityEngine;
using UnityEngine.Events;

namespace AibisDream
{
    public class EngineSystem : MonoBehaviour
    {
        [SerializeField]private SpriteRenderer cover;

        [Header("系统配置")] public EngineConfig engineConfig;
        public bool isAvailable;
        public bool isPullActive;
        private bool _isSuccess;

        public float curSpeed;
        public float targetSpeed = 0.95f;
        [SerializeField] private float coverMoveDuration = 5f;
        [SerializeField] private float coverMoveDistance = 2.8f;
        
        public UnityEvent<float, float> updateSpeedEvent = new();

        private void Awake()
        {
            FixSystemCenter.SystemDic.Register(this);
            
            // 注册相机
            var virtualCam = transform.Find("Engine Camera").GetComponent<ICinemachineCamera>();
            CameraKit.Instance.RegisterCamera(CameraEnum.Engine, virtualCam);
        }

        public IEnumerator StepOnGas(float target, float duration)
        {
            // 逐渐加速
            yield return DOTween.To(() => curSpeed, x => { curSpeed = x; }, target, duration).WaitForCompletion();
        }

        public void AddAirPress(float speedDelta)
        {
            curSpeed = CommonUtil.Limit(curSpeed + speedDelta / engineConfig.pullCount, 1, 0);
        }

        private void OnDestroy()
        {
            CameraKit.Instance.UnRegisterCamera(CameraEnum.Engine);
        }

        private void Update()
        {
            updateSpeedEvent.Invoke(curSpeed, GetSpeedScale());
            if (curSpeed >= targetSpeed && !_isSuccess)
            {
                _isSuccess = true;
                isPullActive = false;
                DialogController.Instance?.StartDialogNode("EngineSuccess");
            }
        }

        private float GetSpeedScale()
        {
            return 1 + curSpeed * engineConfig.speedRate;
        }

        /// <summary>
        /// 开启系统交互
        /// </summary>
        private void EnableSystem()
        {
            isAvailable = true;
        }

        /// <summary>
        /// 关闭系统交互
        /// </summary>
        private void DisableSystem()
        {
            isAvailable = false;
        }

        /// <summary>
        /// 打开盖板
        /// 关闭系统交互
        /// </summary>
        /// <returns>动画序列</returns>
        public Tween OpenCover()
        {
            var sq = DOTween.Sequence();
            // 盖板上移
            var moveDis = new Vector3(0, coverMoveDistance, 0);
            sq.Join(cover.transform.DOBlendableMoveBy(moveDis, coverMoveDuration));
            // 盖板淡出
            sq.Join(cover.DOFade(0, coverMoveDuration));

            // 为引擎系统解锁
            sq.OnComplete(EnableSystem);

            return sq;
        }

        /// <summary>
        /// 关闭盖板
        /// </summary>
        /// <returns>动画序列</returns>
        public Tween CloseCover()
        {
            var sq = DOTween.Sequence();
            sq.Join(cover.DOFade(1, coverMoveDuration));

            var moveDis = new Vector3(0, -coverMoveDistance, 0);
            sq.Join(cover.transform.DOBlendableMoveBy(moveDis, coverMoveDuration));

            // 锁定引擎系统
            sq.OnComplete(DisableSystem);

            return sq;
        }

        public void ActivePull()
        {
            isPullActive = true;
            var pull = GetComponentInChildren<CordPull>();
            pull.ActiveShine();
        }
    }

    [Serializable]
    public struct EngineConfig
    {
        [Header("齿轮基础速度")] public float gearSpeed;
        [Header("齿轮速度倍率")] public float speedRate;
        [Header("拉满几次到全速")] public float pullCount;
        [Header("拉绳回缩速度")] public float returnSpeed;
    }
}