using System;
using SepCore.Event;
using TMPro;
using UnityEngine;

namespace SepCore.UI
{
    public class ShopGoodsItem : MonoBehaviour
    {
        [SerializeField] private IconArea _iconArea;

        [SerializeField] private TMP_Text _titleText;

        [SerializeField] private TMP_Text _typeText;

        [SerializeField] private TMP_Text _descriptionText;

        [SerializeField] private TMP_Text _costText;

        private int _index = -1;

        private bool _listenersBound;

        public void Init(GoodsItemContext data, int index)
        {
            EnsureListeners();

            _index = index;

            _iconArea.OnInit(data.Icon, data.Rarity);
            _titleText.text = data.Name;
            _typeText.text = data.ItemType switch
            {
                ItemType.None => "error",
                ItemType.Weapon => "武器",
                ItemType.Prop => "道具",
                _ => throw new ArgumentOutOfRangeException()
            };
            _descriptionText.text = data.Description;
            _costText.text = $"{data.Price} <sprite name=\"coin\" index=0>";
        }

        public void OnReset()
        {
            _index = -1;
        }

        private void EnsureListeners()
        {
            if (_listenersBound)
            {
                return;
            }

            _listenersBound = true;

            CommonButton button = GetComponentInChildren<CommonButton>(true);
            button.onClick.AddListener(OnPurchaseClick);
        }

        private void OnPurchaseClick()
        {
            if (_index < 0)
            {
                return;
            }

            GameEntry.Event.Fire(this, ShopPurchaseEventArgs.Create(_index));
        }
    }
}