using UnityEngine;
using UnityEngine.UI;

// 支付方式选择确认框：双货币（现金礼券/玄玉）二选一
public class PayMethodConfirmWin : UIBase
{
    [SerializeField] Text m_Content;
    [SerializeField] Toggle m_Toggle1;      //代金礼券
    [SerializeField] Toggle m_Toggle2;      //玄玉
    [SerializeField] Text m_ToggleTxt1;
    [SerializeField] Text m_ToggleTxt2;
    [SerializeField] Button m_ConfirmBtn;
    [SerializeField] Button m_CancelBtn;
    [SerializeField] Image moneyIcon;
    [SerializeField] Text moneyText;

    int m_SelectedMoneyType;
    int m_NeedMoney1;
    int m_NeedMoney2;

    protected override void InitComponent()
    {
        m_ConfirmBtn.AddListener(OnConfirm);
        m_CancelBtn.AddListener(OnCancel);

        m_Toggle1.onValueChanged.AddListener((bool isOn) =>
        {
            if (isOn)
            {
                TrySelectMoneyType(ConfirmCancel.moneyType1, ConfirmCancel.moneyNeedCount1);
            }
        });
        m_Toggle2.onValueChanged.AddListener((bool isOn) =>
        {
            if (isOn)
            {
                TrySelectMoneyType(ConfirmCancel.moneyType2, ConfirmCancel.moneyNeedCount2);
            }
        });
    }

    protected override void OnPreOpen()
    {
        m_NeedMoney1 = ConfirmCancel.moneyNeedCount1;
        m_NeedMoney2 = ConfirmCancel.moneyNeedCount2;

        // 设置两个 Toggle 的文字
        m_ToggleTxt1.text = ConfirmCancel.toggleText1;
        m_ToggleTxt2.text = ConfirmCancel.toggleText2;

        // 先设互斥 ToggleGroup，避免初始化时 listener 触发状态错乱
        var group = gameObject.GetComponent<ToggleGroup>();
        if (group == null)
        {
            group = gameObject.AddComponent<ToggleGroup>();
        }
        group.allowSwitchOff = false;
        m_Toggle1.group = group;
        m_Toggle2.group = group;

        // 判断各货币是否充足
        long have1 = UIHelper.GetMoneyCnt(ConfirmCancel.moneyType1);
        long have2 = UIHelper.GetMoneyCnt(ConfirmCancel.moneyType2);
        bool enough1 = have1 >= m_NeedMoney1;
        bool enough2 = have2 >= m_NeedMoney2;

        // 用 SetIsOnWithoutNotify 避免触发 listener，然后手动初始化
        if (enough1)
        {
            m_Toggle1.SetIsOnWithoutNotify(true);
            m_Toggle2.SetIsOnWithoutNotify(false);
            m_SelectedMoneyType = ConfirmCancel.moneyType1;
        }
        else if (enough2)
        {
            m_Toggle1.SetIsOnWithoutNotify(false);
            m_Toggle2.SetIsOnWithoutNotify(true);
            m_SelectedMoneyType = ConfirmCancel.moneyType2;
        }
        else
        {
            m_Toggle1.SetIsOnWithoutNotify(true);
            m_Toggle2.SetIsOnWithoutNotify(false);
            m_SelectedMoneyType = ConfirmCancel.moneyType1;
        }
        UpdateMoneyDisplay(m_SelectedMoneyType, m_SelectedMoneyType == ConfirmCancel.moneyType1 ? m_NeedMoney1 : m_NeedMoney2);
    }

    void TrySelectMoneyType(int moneyType, int needCount)
    {
        long have = UIHelper.GetMoneyCnt(moneyType);
        if (have < needCount)
        {
            // 货币不足，弹出提示并切回原来的选中项
            string moneyName = ItemConfig.Get(UIHelper.GetItemIDWithMoneyType(moneyType))?.ItemName ?? moneyType.ToString();
            SysNotifyMgr.Instance.ShowTip("LackMoney", moneyType);
            // 恢复原来的选中
            if (m_SelectedMoneyType == ConfirmCancel.moneyType1)
            {
                m_Toggle1.isOn = true;
            }
            else
            {
                m_Toggle2.isOn = true;
            }
            return;
        }

        m_SelectedMoneyType = moneyType;
        UpdateMoneyDisplay(moneyType, needCount);
    }

    void UpdateMoneyDisplay(int moneyType, int needCount)
    {
        moneyIcon.SetIconWithMoneyType(moneyType);
        moneyText.text = GetPayMethodMoneyText(moneyType, needCount);
        // 切换选项时同步刷新 Recharge6 内容（货币图标+名称变化）
        m_Content.text = Language.Get("Recharge6", UIHelper.GetIconNameWithMoneyType(moneyType), ConfirmCancel.payMethodMoney, ConfirmCancel.payMethodTitle);
    }

    string GetPayMethodMoneyText(int moneyType, int needCount)
    {
        long haveCount = UIHelper.GetMoneyCnt(moneyType);
        if (moneyType == 97 || moneyType == 99)
        {
            return UIHelper.AppendColor(
                haveCount >= needCount ? TextColType.Green : TextColType.Red,
                $"{UIHelper.ReplaceLargeNum(haveCount / 100.0, 2)}/{UIHelper.ReplaceLargeNum(needCount / 100.0, 2)}");
        }

        return UIHelper.ShowUseMoney(moneyType, needCount);
    }

    private void OnConfirm()
    {
        CloseWindow();
        ConfirmCancel.OnDualToggleConfirmEvent?.Invoke(true, m_SelectedMoneyType);
    }

    private void OnCancel()
    {
        CloseWindow();
        ConfirmCancel.OnDualToggleConfirmEvent?.Invoke(false, 0);
    }
}