using Cysharp.Threading.Tasks;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

namespace Game
{
    [UIType(UIType.GameStorePurchaseUI)]
    public class GameStorePurchaseUI : UIBase
    {
        private TMP_Text txtName;
        private TMP_Text txtDesc;
        private TMP_InputField inpNumber;
        private Button btnAdd;
        private Button btnRemove;
        private Button btnBuy;

        private int number;
        private int count;
        private bool isBuyFinish;

        public override void Init()
        {
            base.Init();
            txtName = self.transform.FindChildDeep<TMP_Text>("txtName");
            txtDesc = self.transform.FindChildDeep<TMP_Text>("txtDesc");
            inpNumber = self.transform.FindChildDeep<TMP_InputField>("inpNumber");
            btnAdd = self.transform.FindChildDeep<Button>("btnAdd");
            btnRemove = self.transform.FindChildDeep<Button>("btnRemove");
            btnBuy = self.transform.FindChildDeep<Button>("btnBuy");

            number = 0;
            this.inpNumber.text = "0";
            isBuyFinish = false;
            this.count = 0;

            this.btnAdd.onClick.AddListener(ClickAddNumber);
            this.btnRemove.onClick.AddListener(ClickRemoveNumber);
            this.btnBuy.onClick.AddListener(ClickBuy);
        }

        public override void Dispose()
        {
            base.Dispose();
            this.btnAdd.onClick.RemoveListener(ClickAddNumber);
            this.btnRemove.onClick.RemoveListener(ClickRemoveNumber);
            this.btnBuy.onClick.RemoveListener(ClickBuy);
        }

        public override void Close()
        {
            base.Close();
            isBuyFinish = false;
            this.count = 0;
            this.inpNumber.text = "0";
            this.number = 0;
        }

        private void ClickBuy()
        {
            Debug.Log($"number is {this.number}");
            // TODO:
            isBuyFinish = true;
        }

        private void ClickRemoveNumber()
        {
            if (this.number == 0) return;
            this.number--;
            this.inpNumber.text = number.ToString();
        }

        private void ClickAddNumber()
        {
            if (this.number == this.count) return;
            this.number++;
            this.inpNumber.text = number.ToString();
        }

        public async UniTask<int> WaitBuyFinish(string name, string desc, float price, int count)
        {
            this.txtName.text = name;
            this.txtDesc.text = desc;
            this.number = 0;
            this.count = count;

            while (!isBuyFinish)
            {
                await UniTask.Yield();
            }

            int num = this.number;
            Game.uiManager.CloseLast();
            return num;
        }
    }
}