class_name Player extends Area2D

# Components managed by Player
@onready var input_component: InputComponent = %InputComponent
@onready var movement_component: MovementComponent = %MovementComponent
@onready var shoot_component: ShootComponent = %ShootComponent
@onready var weapon_component: WeaponComponent = %WeaponComponent
@onready var powerup_spawner := _find_powerup_spawner()

# Get the viewport size for positioning
@onready var screensize = get_viewport().content_scale_size

# Variables for Player shooting status
@export var can_shoot: bool = true
@export var is_shooting: bool = false
@export var muzzle_flash: bool = false

# Variables for Player position calculations for equidistant bullets
var previous_position: Vector2
var ship_displacement: float
var travel: float = 0

# Effects Testing
var flash_effect = preload("res://resources/effects/flash_weapon_change.tres")
var blink_effect = preload("res://resources/effects/invincibility_blink.tres")

func _ready() -> void:

  ## Set initial start position
  position = Vector2(screensize.x / 2, screensize.y - 45)

func _process(delta) -> void:

  # Read Controls
  input_component.update()

  # Read Shooting
  if input_component.shooting:
    is_shooting = true
  else: is_shooting = false

  if is_shooting == true:
    shoot_component.shoot()
    $%MuzzleFlash.show()

  if is_shooting == false:
    $%MuzzleFlash.hide()



  # Read Movement Component
  movement_component.input = input_component.move_dir
  movement_component.tick(delta)

  # Cycle weapon (testing key)
  if input_component.cycle_weapon:
    weapon_component.cycle_weapon()
    $EffectsComponent.apply_effect(flash_effect)

func _on_help_box_area_entered(area: Area2D) -> void:
    # Check if the colliding area is a powerup pickup.
    if not area.has_meta("weapon_shot"):
        return
    var weapon_shot: WeaponShot = area.get_meta("weapon_shot")
    weapon_component.collect_weapon(weapon_shot)
    powerup_spawner.pickup_collected()
    area.queue_free()


func _find_powerup_spawner() -> PowerUpSpawner:
    # The spawner is a sibling under Level — find it by searching parent.
    var level: Node2D = get_parent() as Node2D
    if level == null:
        return null
    return level.get_node_or_null("PowerupSpawner") as PowerUpSpawner