using System.Linq;
using Data;
using Managers;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

namespace UI
{
    public class SkillTreeNodeInformationUI : MonoBehaviour
    {
        public TMP_Text label;
        public TMP_Text description;
        public TMP_Text coin;
        public Button purchaseButton;

        public SkillTreeNodeUI currentLink;
        public SkillTreeDef SkillTreeDef => currentLink.SkillTreeDefine;
        
        public bool CanUnlock
        {
            get
            {
                if (SkillTreeDef.cost > Program.Instance.CoinCount)
                    return false;
                var parent = SkillTreeManager.Instance.GetAllDirectParents(SkillTreeDef);
                return parent.All(p => SkillTreeManager.Instance.IsSkillTreeUnlocked(p.defName));
            }
        }

        public void Init(SkillTreeNodeUI nodeUI)
        {
            currentLink = nodeUI;

            label.text = SkillTreeDef.label;
            description.text = SkillTreeDef.description;
            coin.text = $"{SkillTreeDef.cost}/{Program.Instance.CoinCount}";
            if (CanUnlock)
            {
                coin.color = Color.white;
                purchaseButton.interactable = true;
            }
            else
            {
                coin.color = Color.red;
                purchaseButton.interactable = false;
            }
        }

        public void Purchase()
        {
            if(SkillTreeDef.cost <= Program.Instance.CoinCount)
            {
                SkillTreeManager.Instance.UnlockSkillTree(SkillTreeDef.defName);
                Program.Instance.CoinCount -= SkillTreeDef.cost;
            }
            OnHide();
            currentLink.Refresh();
        }

        public void OnHide()
        {
            gameObject.SetActive(false);
        }
    }
}