extends CharacterBody2D

signal crashed

const BULLET = preload("res://scenes/bullet.tscn")

@export var accleration := 100.0
@export var max_speed := 400.0
@export var rotation_speed := 250.0

var viewport_size : Vector2

var can_shoot := true
var can_warp := true

func _ready() -> void:
	viewport_size = get_viewport_rect().size

func _physics_process(delta: float) -> void:
	# Controls
	var accleration_direction := Vector2(0, Input.get_axis("ui_up", "ui_down"))
	var rotation_direction := Input.get_axis("ui_left", "ui_right")

	if Input.is_action_pressed("ui_accept") and can_shoot:
		fire_gun($Gun.global_position, self.global_rotation)

	if Input.is_action_pressed("ui_cancel") and can_warp:
		warp()

	# Movement Logic
	## Accleration
	velocity += accleration_direction.rotated(rotation) * accleration * delta
	velocity.limit_length(max_speed)
	### Slowly stops movement if no accleration
	if accleration_direction.y == 0:
		velocity = velocity.move_toward(Vector2.ZERO, 0.5)

	## Rotation
	rotate(deg_to_rad(rotation_direction * rotation_speed * delta))
	move_and_slide()

	# Screen Wrap
	position.x = wrap(position.x, 0, viewport_size.x)
	position.y = wrap(position.y, 0,viewport_size.y)

func fire_gun(pos : Vector2, rot : float) -> void:
	var bullet = BULLET.instantiate()
	bullet.position = pos
	bullet.rotation = rot
	$Projectiles.add_child(bullet)
	$ShootSound.play()
	can_shoot = false
	$ShotCooldown.start()

func warp() -> void:
	var random_position := Vector2.ZERO
	random_position.x = randf_range(0, viewport_size.x)
	random_position.y = randf_range(0, viewport_size.y)
	position = random_position
	can_warp = false
	$WarpCooldown.start()

func crash() -> void:
	crashed.emit()
	$AnimationPlayer.play("crash")


func _on_shot_cooldown_timeout() -> void:
	can_shoot = true

func _on_warp_cooldown_timeout() -> void:
	can_warp = true