class_name Player

extends CharacterBody2D

@export var speed = 1200
@export var speed_multiplier = 20
@export var friction = 0.9

@export var dash_cooldown_duration = 1.0
@export var dash_cooldown_timer: Timer

@export var weapon_bullet_damage = 4.0
@export var weapon_bullet_knockback = 4
@export var weapon_bullet_speed = 3200
@export var weapon_bullet_scene: PackedScene
@export var weapon_bullet_parent: Node2D

@export var fire_cooldown_duration = 0.35
@export var fire_cooldown_timer: Timer

@export var statistics: Statistics

func deal_move(delta):
	var input_direction = Input.get_vector("move_left", "move_right", "move_up", "move_down")
	velocity = velocity.move_toward(input_direction * speed, speed * delta)
	velocity = velocity * friction
	
	var is_dash = Input.is_action_pressed("skill_dash")
	if is_dash && dash_cooldown_timer.is_stopped():
		velocity *= speed_multiplier
		dash_cooldown_timer.start(dash_cooldown_duration)

func deal_weapon_shoot():
	var is_shooting = Input.is_action_pressed("weapon_fire")
	if is_shooting && fire_cooldown_timer.is_stopped():
		var mouse_position = get_global_mouse_position()
		var direction = (mouse_position - position).normalized()
		var bullet = weapon_bullet_scene.instantiate()
		bullet.rotation = direction.angle()
		weapon_bullet_parent.add_child(bullet)
		
		bullet.global_position = global_position
		bullet.velocity = direction * weapon_bullet_speed
		bullet.damage = weapon_bullet_damage
		bullet.knockback = weapon_bullet_knockback
		
		statistics.bullet_shoot += 1
		fire_cooldown_timer.start(fire_cooldown_duration)

func move_to_center():
	var screen_size = get_viewport_rect().size
	position = Vector2(screen_size.x / 2, screen_size.y / 2)

func _on_dash_cooled_down():
	dash_cooldown_timer.stop()

func _on_fire_cooled_down():
	fire_cooldown_timer.stop()

func _ready():
	move_to_center()

func _physics_process(delta):
	deal_move(delta)
	deal_weapon_shoot()
	move_and_slide()

func _on_wave_finished():
	move_to_center()