/*
 * ------------------------------------------------------------------------
 *  Description: This class handles the script for shooting
 *  Author:      Eli Simpkins-Simmonds
 *  ------------------------------------------------------------------------
 */

using UnityEngine;

public class Shooter : MonoBehaviour
{
    [SerializeField] GameObject projectilePrefab;
    [SerializeField] float projectileSpeed = 10f;
    [SerializeField] float projectileLifetime = 5f;
    public bool isFiring;

    void Update()
    {
        if (isFiring)
        {
            Fire();
            isFiring = false; // Reset firing flag after firing a single bullet
        }
    }

    void Fire()
    {
        // Instantiate the projectile prefab
        GameObject instance = Instantiate(projectilePrefab, transform.position, Quaternion.identity);
        
        // Attach the collision handler script to handle collisions
        ProjectileCollisionHandler collisionHandler = instance.AddComponent<ProjectileCollisionHandler>();
        
        // Set the damage amount for the projectile
        collisionHandler.damage = 20; // Example: Set the damage amount here
        
        // Get the Rigidbody2D component from the instantiated projectile
        Rigidbody2D rb = instance.GetComponent<Rigidbody2D>();
        
        if (rb != null)
        {
            // Ensure continuous collision detection for high-speed projectiles
            rb.collisionDetectionMode = CollisionDetectionMode2D.Continuous;

            // Set the projectile direction based on the player's facing direction
            float direction = transform.localScale.x; // Assumes player facing right is positive x scale
            rb.velocity = new Vector2(direction * projectileSpeed, 0f);
        }

        // Destroy the projectile after its lifetime
        Destroy(instance, projectileLifetime);
    }
}