using System.Collections;
using System.Collections.Generic;
using UnityEngine;

/*
--------------------------------------
    Project: Programing assessment
    Standard: 91906 (AS3.7) v.1
    School: Tauranga Boys' College
    Author: Rauputu Noah Phizacklea
    Date: August 2024
    Unity: 2021.3.18f
---------------------------------------
*/

public class PlayerStamina : MonoBehaviour
{
    public int maxStamina = 100; // Maximum stamina value
    private int currentStamina; // Current stamina value
    public float staminaRechargeTime = 0.5f; // Time between each stamina increment during recharge
    private bool isRechargingStamina = false; // Flag to check if stamina is currently recharging
    private float rechargeDelay = 0.2f; // Delay before starting stamina recharge after use
    public StaminaBar staminaBar; // Reference to the stamina bar UI

    void Start()
    {
        currentStamina = maxStamina; // Initialize current stamina to maximum value
        staminaBar.SetMaxStamina(maxStamina); // Set the maximum stamina value on the stamina bar
    }

    // Method to use stamina
    public bool UseStamina(int amount)
    {
        // Check if enough stamina is available
        if (currentStamina >= amount)
        {
            currentStamina -= amount; // Deduct the specified amount of stamina
            staminaBar.SetStamina(currentStamina); // Update the stamina bar

            // Start recharging stamina if not already recharging
            if (!isRechargingStamina)
            {
                StartCoroutine(RechargeStamina());
            }
            return true; // Successfully used stamina
        }
        return false; // Not enough stamina available
    }

    // Coroutine to handle stamina recharge
    private IEnumerator RechargeStamina()
    {
        isRechargingStamina = true; // Set the flag to indicate recharging has started
        yield return new WaitForSeconds(rechargeDelay); // Wait for the initial delay before starting recharge

        // Recharge stamina until it reaches the maximum value
        while (currentStamina < maxStamina)
        {
            currentStamina += 5; // Increase stamina by 5 units (adjust as needed)
            if (currentStamina > maxStamina)
            {
                currentStamina = maxStamina; // Ensure stamina does not exceed maximum value
            }
            staminaBar.SetStamina(currentStamina); // Update the stamina bar
            yield return new WaitForSeconds(staminaRechargeTime); // Wait before the next increment
        }

        isRechargingStamina = false; // Set the flag to indicate recharging has stopped
    }
}