class_name Player extends CharacterBody2D

@onready var right_cast: RayCast2D = $RightCast
@onready var left_cast: RayCast2D = $LeftCast
@onready var right_spawn: Node2D = $RightSpawn
@onready var left_spawn: Node2D = $LeftSpawn

const SPEED = 300.0
const JUMP_VELOCITY = -400.0

@export var bump_power = 80
@export var shove_power = 500

enum FaceDirection {LEFT, RIGHT}
var facing: FaceDirection = FaceDirection.RIGHT

var pushTarget:RigidBody2D
var pushEnabled:bool = false

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


	handle_input()
	move_and_slide()
	handle_collisions()
	
func handle_input() -> void:
	if Input.is_action_just_pressed("shoot"):
		print ("shoot a bullet")
		if facing == FaceDirection.LEFT:
			%SceneManager.makeBullet(left_spawn.global_transform, -700)
		if facing == FaceDirection.RIGHT:
			%SceneManager.makeBullet(right_spawn.global_transform,700)
	if Input.is_action_just_pressed("shove") && pushEnabled:  
		print ("shove attack!")
		if facing == FaceDirection.LEFT:
			print ("facing left")
			pushTarget.apply_central_impulse(Vector2(-1,0) * shove_power)
			pushEnabled = false
		if facing == FaceDirection.RIGHT:
			print ("facing right")
			pushTarget.apply_central_impulse(Vector2(1,0) * shove_power)
			pushEnabled = false
	if not right_cast.is_colliding() and not left_cast.is_colliding():
		pushEnabled = false
		
	if Input.is_action_just_pressed("ui_accept") 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("ui_left", "ui_right")
	if direction:
		velocity.x = direction * SPEED
		if direction <0:
			facing = FaceDirection.LEFT
		if direction >0:
			facing = FaceDirection.RIGHT
	else:
		velocity.x = move_toward(velocity.x, 0, SPEED)
	
func update_movement() -> void:
	pass
	
func update_states() -> void:
	pass
	
func handle_collisions() -> void:
	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_power)
	if right_cast.is_colliding() && facing ==FaceDirection.RIGHT:
		print ("right raycast is hitting something")
		var collider = right_cast.get_collider()
		if collider is Node && collider is RigidBody2D:
			print ("I think it is a crate on my right")
			pushTarget = collider
			pushEnabled = true
	if left_cast.is_colliding() && facing ==FaceDirection.LEFT:
		print ("left raycast is hitting something")
		var collider = left_cast.get_collider()
		if collider is Node && collider is RigidBody2D:
			print ("I think it is a crate on my left")
			pushTarget = collider
			pushEnabled = true