using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using TMPro;
public class CharacterUIManager : MonoBehaviour
{
    Character self;
    PointsBar healthBar;
    PointsBar poiseBar;
    PointsBar manaBar;
    public GameObject healthDamageAmountPrefab;
    public GameObject poiseDamageAmountPrefab;
    public GameObject outOfMovementPrefab;
    public GameObject healthRecoveryAmountPrefab;
    public GameObject poiseRecoveryAmountPrefab;
    public GameObject manaDamageAmountPrefab;
    public GameObject manaRecoveryAmountPrefab;
    private void Awake()
    {
        healthBar = transform.GetChild(0).GetComponent<PointsBar>();
        poiseBar = transform.GetChild(1).GetComponent<PointsBar>();
        manaBar = transform.GetChild(3).GetComponent<PointsBar>();
        self = transform.parent.GetComponent<Character>();
    }
    public void ChangePoints(int amount, float ratio, int type)
    {
        PointsBar pointsBar = null;
        GameObject amountPrefab = null;
        float deltaY = 0;
        float deltaX = 0.5f;
        if(type == 0)
        {
            pointsBar = healthBar;
            if(amount <= 0)
                amountPrefab = healthDamageAmountPrefab;
            else
                amountPrefab = healthRecoveryAmountPrefab;
            deltaY = 0.5f;
        }
        else if(type == 1)
        {
            pointsBar = poiseBar;
            if(amount <= 0)
                amountPrefab = poiseDamageAmountPrefab;
            else
                amountPrefab = poiseRecoveryAmountPrefab;
            deltaY = 0.3f;
        }
        else if(type == 2)
        {
            pointsBar = manaBar;
            if(amount <= 0)
                amountPrefab = manaDamageAmountPrefab;
            else
                amountPrefab = manaRecoveryAmountPrefab;
            deltaX = -0.5f;
            deltaY = 0.7f;
        }
        else return;
        pointsBar.ChangeUI(ratio);   //根据血条或韧性条改变UI显示
        Vector2 position = transform.position;
        position.x += deltaX;
        position.y += deltaY;
        FloatingDigit(amount,amountPrefab,position);
    }
    public void RefreshHMPPointsBars()
    {
        healthBar.ChangeUI(self.GetCurrentHealth()/((float)(self.GetMaxHealth())));
        poiseBar.ChangeUI(self.GetCurrentPoise()/((float)(self.GetMaxPoise())));
        manaBar.ChangeUI(self.GetCurrentMana()/((float)(self.GetMaxMana())));
    }
    public void OutOfMovement()
    {
        Vector2 position = transform.position;
        position.x -= 0.5f;
        position.y += 0.4f;
        GameObject instance = Instantiate(outOfMovementPrefab, position, Quaternion.identity);
        GameObject text = instance.transform.GetChild(0).gameObject;
    }
    void FloatingDigit(int amount, GameObject digitPrefab, Vector2 position)            //显示漂浮的数字
    {
        GameObject instance = Instantiate(digitPrefab,position,Quaternion.identity);
        GameObject text = instance.transform.GetChild(0).gameObject;
        text.GetComponent<TMP_Text>().text = amount.ToString();
    }
    public void FloatingString(string str)
    {
        GameObject instance = Instantiate(manaDamageAmountPrefab,transform.position,Quaternion.identity);
        GameObject text = instance.transform.GetChild(0).gameObject;
        text.GetComponent<TMP_Text>().text = str;
    }
}