using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using DG.Tweening;

namespace MMO
{
    public class MMOUILoading : MMOUIBase
    {
        public Action DelInitOver;
        public Action DelLoadOver;

        [SerializeField] GameObject mGobFirstSign;
        [SerializeField] Text mTxtProgress;
        [SerializeField] Image mImgProgress;

        private Text mTxtTip;

        private Tweener mTween;

        private bool mIsInitHanging = false;

        private void Awake()
        {
            mTxtTip = mGobFirstSign.GetComponent<Text>();
        }

        public override void OnOpen()
        {
            base.OnOpen();

            mGobFirstSign.SetActive(!MMOUserData.Instance.HasFirstLoaded);

            mImgProgress.fillAmount = 0;

            mTween = mImgProgress.DOFillAmount(UnityEngine.Random.Range(0.93f, 0.97f), MMOUserData.Instance.HasFirstLoaded ? 1 : 10);
            mTween.onUpdate = UpdateText;
            mTween.onComplete = OnInitOver;
        }

        public void FinishRest()
        {
            if (mTween != null)
            {
                mTween.onUpdate = null;
                mTween.onComplete = null;
                mTween.Kill();
            }

            mTween = mImgProgress.DOFillAmount(1, 0.5f);
            mTween.onUpdate = UpdateText;
            mTween.onComplete = OnLoadOver;
        }

        private void UpdateText()
        {
            mTxtProgress.text = string.Format("LOADING...{0:f0}%", Mathf.Clamp(mImgProgress.fillAmount * 100, 0, 100));
        }

        private void OnInitOver()
        {
            if (Application.internetReachability == NetworkReachability.NotReachable)
            {
                mGobFirstSign.SetActive(true);
                mTxtTip.text = "Loading failed, please check the network";
                mIsInitHanging = true;
                return;
            }

            DelInitOver?.Invoke();
        }

        private void OnLoadOver()
        {
            DelLoadOver?.Invoke();
            Close();
        }

        public void NotifyInitOver()
        {
            if (IsOpened && mIsInitHanging)
            {
                mGobFirstSign.SetActive(false);
                DelInitOver?.Invoke();
            }
        }
    }
}