extends CharacterBody2D


const SPEED = 500.0
const JUMP_VELOCITY = -600.0
@export var BUMP_FORCE = 90

var faceLeft:bool = false
#Force push variables
var pushTarget
@export var PUSH_FORCE = 750
var pushLeftEnabled:= false
var pushRightEnabled:= false
@onready var right_ray: RayCast2D = $RightRay
@onready var left_ray: RayCast2D = $LeftRay

#Bullet variables
@onready var right_target: Node2D = $RightTarget
@onready var left_target: Node2D = $LeftTarget
var bullet = preload("res://scenes/bullet.tscn")


func _physics_process(delta: float) -> void:
	# Add the gravity.
	if not is_on_floor():
		velocity += get_gravity() * delta

	# Handle force push
	if Input.is_action_just_pressed("push"):
		#is there an object nearby?
		if pushRightEnabled && faceLeft ==false:
			pushTarget.apply_central_impulse(Vector2(1,0) * PUSH_FORCE * 2 )
			pushRightEnabled = false
		if pushLeftEnabled && faceLeft:
			pushTarget.apply_central_impulse(Vector2(-1,0) * PUSH_FORCE * 2 )
			pushLeftEnabled = false
	# Handle Shoot
	if Input.is_action_just_pressed("shoot"):
		#refactor this to get bullet from SceneManager (bullet pool)
		var newBullet = bullet.instantiate()
		owner.add_child(newBullet)
		newBullet.transform = right_target.global_transform
		if faceLeft:
			newBullet.setSpeed(-750)
			newBullet.transform = left_target.global_transform
		
	# Handle jump.
	if Input.is_action_just_pressed("jump") and is_on_floor():
		velocity.y = JUMP_VELOCITY

	# Get the input direction and handle the movement/deceleration.
	# As good practice, you should replace UI actions with custom gameplay actions.
	var direction := Input.get_axis("left", "right")
	if direction:
		velocity.x = direction * SPEED
		#track if the player is facing right or left
		if direction > 0:
			faceLeft = false
		if direction < 0:
			faceLeft = true
	else:
		velocity.x = move_toward(velocity.x, 0, SPEED)

	move_and_slide()
	#scan objects near player
	if right_ray.is_colliding():
		#we only care if the player is facing right
		if not faceLeft:
			var collider = right_ray.get_collider()
				#we only care if the collider is a node
			if collider is RigidBody2D:
				print("This is a rigidbody")
				#we only care if it is pushable
				if collider.is_in_group("pushables"):
					#mark the target for possible pushing
					pushRightEnabled = true
					pushTarget = collider
			if collider is Area2D:
				print("This is an area 2d")
	else:
		pushRightEnabled = false
		
	if left_ray.is_colliding():
		if faceLeft:
			var collider = left_ray.get_collider()
			if collider is RigidBody2D:
				if collider.is_in_group("pushables"):
					pushLeftEnabled = true
					pushTarget = collider
	else:
		pushLeftEnabled = false
		
	for i in get_slide_collision_count():
		var c = get_slide_collision(i)
		if c.get_collider() is RigidBody2D:
			c.get_collider().apply_central_impulse(-c.get_normal() * BUMP_FORCE)