using TMPro;
using UnityEngine;
using UnityEngine.UI;
using asap.core;
using System;
using UniRx;

public class EventPartnerStatueBuildBtn : MonoBehaviour
{
    [SerializeField] private Button btnNormal, btnFree, btnMore, btnMultiplier;
    [SerializeField] private GameObject goBuildNormal, goBuildFree, goBuildMore, goMultiplierNormal, goMultiplierMax, goTicketCount;
    [SerializeField] private TMP_Text textMoreTimer, textMorePercentage0, textMorePercentage1, textMorePercentage2, textCost, textMultiplierNormal, textMultiplierMax;
    private IDisposable _timer;
    private DateTime _expiryTime;
    private EState _state;
    private int _multiplierIdx, _multiplier;
    public int Cost => _multiplier;
    public int Index => _multiplierIdx;

    public void Init(Action onClickBuild)
    {
        var arc = GContext.container.Resolve<EventPartnerStatueArc>();
        (bool isMax, int idx, int multiplier) = arc.GetInitMultiplier();
        SetMultiplier(multiplier, idx, isMax);
        btnMultiplier.onClick.AddListener(OnClickMultiplier);
        btnNormal.onClick.AddListener(() => onClickBuild.Invoke());
        btnFree.onClick.AddListener(() => onClickBuild.Invoke());
        btnMore.onClick.AddListener(() => onClickBuild.Invoke());
        RefreshToCurrentMax();
    }

    public void RefreshToCurrentMax()
    {
        var arc = GContext.container.Resolve<EventPartnerStatueArc>();
        var buff = arc.Buff;
        if (buff.FreeMultiplier != null)
        {
            SwitchToFree(buff.FreeMultiplier.Value);
        }
        else if (buff.PointBonusExpiryTime != null && ZZTimeHelper.UtcNow() < buff.PointBonusExpiryTime)
        {
            SwitchToMore(buff.GetMoreBuff(), buff.PointBonusExpiryTime.Value);
            var (isMax, idx, multiplier) = arc.GetCurrentMultiplier(_multiplierIdx);
            SetMultiplier(multiplier, idx, isMax);
        }
        else
        {
            var (isMax, idx, multiplier) = arc.GetCurrentMultiplier(_multiplierIdx);
            SwitchToNormal(multiplier);
            SetMultiplier(multiplier, idx, isMax);
        }
        goTicketCount.SetActive(true);
        btnMultiplier.gameObject.SetActive(true);
    }

    public void RefreshAndHold()
    {
        var arc = GContext.container.Resolve<EventPartnerStatueArc>();
        var buff = arc.Buff;
        if (buff.FreeMultiplier != null)
        {
            SwitchToFree(buff.FreeMultiplier.Value);
        }
        else if (buff.PointBonusExpiryTime != null && ZZTimeHelper.UtcNow() < buff.PointBonusExpiryTime)
        {
            SwitchToMore(buff.GetMoreBuff(), buff.PointBonusExpiryTime.Value);
            // var (isMax, idx, multiplier) = arc.GetCurrentMultiplier(_multiplierIdx);
            var isMax = _multiplierIdx >= arc.TableContext.GetMultiplierList().Count - 1 || _multiplier > arc.Model.TicketCount;
            SetMultiplier(_multiplier, _multiplierIdx, isMax);
        }
        else
        {
            var isMax = _multiplierIdx >= arc.TableContext.GetMultiplierList().Count - 1 || _multiplier > arc.Model.TicketCount;
            // var (isMax, idx, multiplier) = arc.GetCurrentMultiplier(_multiplierIdx);
            SwitchToNormal(_multiplier);
            SetMultiplier(_multiplier, _multiplierIdx, isMax);
        }
        goTicketCount.SetActive(true);
        btnMultiplier.gameObject.SetActive(true);
    }

    public void SwitchToNormal(int cost)
    {
        goBuildNormal.SetActive(true);
        goBuildFree.SetActive(false);
        goBuildMore.SetActive(false);
        textCost.text = $"x{cost}";
        _state = EState.Normal;
    }

    public void SwitchToFree(int cost)
    {
        goBuildNormal.SetActive(false);
        goBuildFree.SetActive(true);
        goBuildMore.SetActive(false);
        _state = EState.Free;
        SetMultiplier(cost, _multiplierIdx, false);
    }

    public void SwitchToMore(float percentage, DateTime expiryTime)
    {
        goBuildNormal.SetActive(false);
        goBuildFree.SetActive(false);
        goBuildMore.SetActive(true);
        textMorePercentage0.text = $"{percentage * 100}%";
        textMorePercentage1.text = $"{percentage * 100}%";
        textMorePercentage2.text = $"{percentage * 100}%";
        _timer?.Dispose();
        _expiryTime = expiryTime;
        OnTimerUpdate();
        _timer = Observable.Interval(TimeSpan.FromSeconds(1))
            .Subscribe(_ => OnTimerUpdate());
        _state = EState.More;
    }

    private void OnTimerUpdate()
    {
        var ts = _expiryTime - ZZTimeHelper.UtcNow();
        if (ts.TotalSeconds < 0)
        {
            RefreshToCurrentMax();
            return;
        }
        textMoreTimer.text = ConvertTools.ConvertTime4(ts);
    }

    private void OnDestroy()
    {
        _timer?.Dispose();
    }

    #region Multiplier Button
    private void SetMultiplier(int multiplier, int idx, bool isMax)
    {
        _multiplierIdx = idx;
        _multiplier = multiplier;
        textMultiplierNormal.text = "x" + multiplier;
        textMultiplierMax.text = "x" + multiplier;
        goMultiplierNormal.SetActive(!isMax);
        goMultiplierMax.SetActive(isMax);
    }

    private void OnClickMultiplier()
    {
        if (_state == EState.Free)
            return;
        var arc = GContext.container.Resolve<EventPartnerStatueArc>();
        var (isMax, idx, multiplier) = arc.GetNextMultiplier(_multiplierIdx);
        SetMultiplier(multiplier, idx, isMax);
        textCost.text = $"x{multiplier}";
    }
    #endregion

    public void Hide()
    {
        goBuildNormal.SetActive(false);
        goBuildFree.SetActive(false);
        goBuildMore.SetActive(false);
        goMultiplierNormal.SetActive(false);
        goMultiplierMax.SetActive(false);
        goTicketCount.SetActive(false);
        btnMultiplier.gameObject.SetActive(false);
    }

    private enum EState
    {
        Normal,
        Free,
        More,
    }
}