using UnityEngine;
using UnityEngine.UI;
using DG.Tweening;
using TowerDefense.UI.HUD;

/**
 * 精灵升级面板
 * @Author: chenxin
 * @Date: 2020-12-11 10:59:15
 */
namespace KTGMGemClient
{
    public class ElfUpgrade : MonoBehaviour
    {
        [SerializeField]
        private Image lightImg;

        [SerializeField]
        private Text continueText;

        [SerializeField]
        private GameObject particlePrefab;

        private GameObject particleObj;

        private float startAlpha = 0.3f;

        private Vector3 rotation = Vector3.forward;

        /// <summary>
        /// 升级最低等级
        /// </summary>
        private int upgradeLevel;

        // Start is called before the first frame update
        private void Start()
        {
            EndlessUIStart.instance.ShowUIMask();
            particleObj = Instantiate(particlePrefab);
            particleObj.transform.SetParent(GameObject.Find("ParticleSystemObject").transform, false);
            particleObj.transform.localPosition = new Vector3(0f, 5.5f, 38.6f);
            particleObj.transform.localScale = new Vector3(2f, 2f, 2f);
            ParticleSystem ps = particleObj.transform.GetChild(0).GetComponent<ParticleSystem>();
            ps?.Play();
            Tween1();
        }

        private void Update()
        {
            lightImg.transform.Rotate(-rotation * 10 * Time.deltaTime);
        }

        private void Tween1()
        {
            continueText.color = new Color(1f, 1f, 1f, startAlpha);
            DOTween.To(
                () => continueText.color,
                (Color v) => continueText.color = v,
                new Color(1f, 1f, 1f, 1f), 0.3f)
                .SetEase(Ease.OutCubic)
                .OnComplete(Tween2);
        }

        private void Tween2()
        {
            DOTween.To(
                () => continueText.color,
                (Color v) => continueText.color = v,
                new Color(1f, 1f, 1f, startAlpha), 0.6f)
                .SetDelay(0.5f)
                .OnComplete(Tween1);
        }

        public void OnClick()
        {
            EndlessUIStart.instance.HideUIMask();
            Destroy(gameObject);
            Destroy(particleObj);
            particleObj = null;
            EventCenter.Ins.BroadCast((int)KTGMGemClient.EventType.ElfUpgradePanelClosed);
        }

        public void SetUpgradeLevel(int level)
        {
            if (level < 1) level = 1;
            else if (level >= ElfUpgradeData.MaxTowerLevel) level = ElfUpgradeData.MaxTowerLevel;

            upgradeLevel = level;
        }

        public int GetUpgradeLevel()
        {
            return upgradeLevel == 0 ? 1 : upgradeLevel;
        }
    }
}