using UnityEngine;
using UnityEngine.UI;

public class PlayerUIManager : MonoBehaviour
{
    [Header("References")]
    [Tooltip("Drag the Player (or the GameObject with PlayerStats) here")]
    public PlayerStats playerStats;

    [Header("UI Bars (Sliders)")]
    [Tooltip("Assign if you are using Unity UI Sliders for your bars")]
    public Slider healthBar;
    public Slider manaBar;
    public Slider staminaBar;

    [Header("UI Bars (Images - Fill Method)")]
    [Tooltip("Assign if you are using UI Images with Image Type set to 'Filled'")]
    public Image healthFill;
    public Image manaFill;
    public Image staminaFill;

    [Header("Combat UI")]
    public BowAimLayerController bowAimLayerController;
    [Tooltip("A Slider that fills up from 0 to 1 as the bow is drawn.")]
    public Slider bowDrawBar;

    private void Start()
    {
        if (playerStats == null)
        {
            Debug.LogWarning("PlayerUIManager: PlayerStats reference is missing! Please assign it in the Inspector.");
        }

        // Initialize Slider max values if they are being used
        if (healthBar != null) healthBar.maxValue = playerStats.maxHealth;
        if (manaBar != null) manaBar.maxValue = playerStats.maxMana;
        if (staminaBar != null) staminaBar.maxValue = playerStats.maxStamina;

        if (bowDrawBar != null)
        {
            bowDrawBar.minValue = 0f;
            bowDrawBar.maxValue = 1f;
            bowDrawBar.value = 0f;
        }
    }

    private void Update()
    {
        UpdateBars();
        UpdateCombatUI();
    }

    private void UpdateBars()
    {
        if (playerStats == null) return;

        // 1. Update Sliders (if assigned)
        if (healthBar != null) healthBar.value = playerStats.currentHealth;
        if (manaBar != null) manaBar.value = playerStats.currentMana;
        if (staminaBar != null) staminaBar.value = playerStats.currentStamina;

        // 2. Update Image Fills (if assigned)
        if (healthFill != null) healthFill.fillAmount = playerStats.currentHealth / playerStats.maxHealth;
        if (manaFill != null) manaFill.fillAmount = playerStats.currentMana / playerStats.maxMana;
        if (staminaFill != null) staminaFill.fillAmount = playerStats.currentStamina / playerStats.maxStamina;
    }

    private void UpdateCombatUI()
    {
        if (bowDrawBar != null && bowAimLayerController != null)
        {
            float drawPercentage = bowAimLayerController.CurrentDrawPercentage;
            bowDrawBar.value = drawPercentage;

            // Optional: Hide the bar completely if we aren't drawing the bow
            bowDrawBar.gameObject.SetActive(drawPercentage > 0f);
        }
    }
}