using UnityEngine;
using UnityEngine.UI;
using TMPro;

public class TowerDataViewer : MonoBehaviour
{
    [SerializeField]
    private Image imageTower;
    [SerializeField]
    private TextMeshProUGUI textDamage;
    [SerializeField]
    private TextMeshProUGUI textPenetration;
    [SerializeField]
    private TextMeshProUGUI textRate;
    [SerializeField]
    private TextMeshProUGUI textRange;
    [SerializeField]
    private TextMeshProUGUI textLevel;
    [SerializeField]
    private TextMeshProUGUI textUpgradeCost;
    [SerializeField]
    private TextMeshProUGUI textSellCost;
    [SerializeField]
    private TowerAttackRange towerAttackRange;
    [SerializeField]
    private Button buttonUpgrade;
    [SerializeField]
    private SystemTextViewer systemTextViewer;

    private TowerWeapon currentTower;

    private void Awake()
    {

        OffPanel();
    }

    private void Update()
    {
        if (Input.GetKeyDown(KeyCode.Escape))
        {
            OffPanel();
        }
    }

    public void OnPanel(Transform towerWeapon)
    {

        // 출력해야하는 타워 정보를 받아와서 저장
        currentTower = towerWeapon.GetComponent<TowerWeapon>();
        // 타워 정보 Panel On
        gameObject.SetActive(true);
        // 타워 정보를 갱신
        UpdateTowerData();

        // 타워 오브젝트 주변에 표시되는 타워 공격범위 Sprite On
        towerAttackRange.OnAttackRange(currentTower.transform.position, currentTower.Range);

    }

    public void OffPanel()
    {

        // 타워 정보 Panel Off
        gameObject.SetActive(false);
        // 타워 공격범위 Sprite Off

        towerAttackRange.OffAttackRange();



    }

    private void UpdateTowerData()
    {
        if (currentTower.WeaponType == WeaponType.Cannon || currentTower.WeaponType == WeaponType.Laser)
        {
            imageTower.rectTransform.sizeDelta = new Vector2(59, 59);

            if (currentTower.AddedDamage == 0)
            {
                textDamage.text = "Damage : " + currentTower.Damage;
                textRate.text = "Rate : " + currentTower.Rate;

            }
            else
            {
                textDamage.text = "Damage : " + "<color=red>" + (currentTower.Damage + currentTower.AddedDamage).ToString("F1") + "</color>";
                textRate.text = "Rate : " + currentTower.Rate;
            }

        }
        else if (currentTower.WeaponType == WeaponType.Random)
        {
            imageTower.rectTransform.sizeDelta = new Vector2(59, 59);

            if (currentTower.AddedDamage == 0)
            {
                textDamage.text = "Damage : " + currentTower.LowerDamage + "~" + (currentTower.UpperDamage - 1);
                textRate.text = "Rate : " + currentTower.Rate;
            }
            else
            {
                textDamage.text = "Damage : " + "<color=red>" + ((currentTower.Damage + currentTower.AddedDamage) * currentTower.LowerDamage).ToString("F1") + "~" + ((currentTower.Damage + currentTower.AddedDamage) * (currentTower.UpperDamage - 1)).ToString("F1") + "</color>";
                textRate.text = "Rate : " + currentTower.Rate;
            }

        }
        else if (currentTower.WeaponType == WeaponType.Penetration)
        {
            imageTower.rectTransform.sizeDelta = new Vector2(59, 59);

            if (currentTower.AddedPenetration == 0)
            {
                textDamage.text = "Penetration : " + currentTower.Penetration + "%";
            }
            else
            {
                textDamage.text = "Penetration : " + "<color=red>" + (currentTower.Penetration + currentTower.AddedPenetration).ToString("F1") + "%" + "</color>";
            }

        }

        else
        {
            imageTower.rectTransform.sizeDelta = new Vector2(59, 59);

            if (currentTower.WeaponType == WeaponType.Slow)
            {
                textDamage.text = "Slow : " + currentTower.Slow * 100 + "%";
            }
            else if (currentTower.WeaponType == WeaponType.Buff)
            {
                textDamage.text = "Buff : " + currentTower.Buff * 100 + "%";
            }
            else if (currentTower.WeaponType == WeaponType.Gold)
            {
                textDamage.text = "Gold : " + currentTower.Gold + "$/sec";
            }

        }

        imageTower.sprite = currentTower.TowerSprite;
        textRange.text = "Range : " + currentTower.Range;
        textLevel.text = "Level : " + currentTower.Level;
        textUpgradeCost.text = currentTower.UpgradeCost.ToString();
        textSellCost.text = currentTower.SellCost.ToString();

        // 업그레이드가 불가능해지면 버튼 비활성화
        buttonUpgrade.interactable = currentTower.Level < currentTower.MaxLevel ? true : false;
    }

    public void OnClickEventTowerUpgrade()
    {
        // 타워 업그레이드 시도 (성공:true, 실패:false)
        bool isSuccess = currentTower.Upgrade();

        if (isSuccess == true)
        {
            // 타워가 업그레이드 되었기 때문에 타워 정보 갱신
            UpdateTowerData();
            // 타워 주변에 보이는 공격범위도 갱신
            towerAttackRange.OnAttackRange(currentTower.transform.position, currentTower.Range);
        }
        else
        {
            // 타워 업그레이드에 필요한 비용이 부족하다고 출력
            systemTextViewer.PrintText(SystemType.Money);
        }
    }

    public void OnClickEventTowerSell()
    {
        // 타워 판매
        currentTower.Sell();
        // 선택한 타워가 사라져서 Panel, 공격범위 Off
        OffPanel();
    }
}


/*
 * File : TowerDataViewer.cs
 * Desc
 *	: 선택한 타워 정보 출력
 * 
 * Functions
 *	: OnPanel() - 타워 정보 패널 UI 활성화
 *	: OffPanel() - 타워 정보 패널 UI 비활성화
 *	: UpdateTowerData() - 타워 정보를 갱신해서 UI에 표시
 *	: OnClickEventTowerUpgrade() - 타워 업그레이드 버튼을 눌렀을 때 호출
 *	: OnClickEventTowerSell() - 타워 판매 버튼을 눌렀을 때 호출
 * 
 */