class_name Player
extends CharacterBody3D

static var instances: Array[Player]

@export var cursor_color: Color

@export var _input_mode: Inputer.Mode = Inputer.Mode.KB_MOUSE
@export var _device_index: int = 0

@export var _respawn_height: float = -5

@export_group("References")
@export var attack: PlayerAttacker
@export var stats: PlayerStats
@export var mover: PlayerMover
@export var aimer: PlayerAimer
@export var _cursor: PlayerCursor


var _respawn_point: Vector3


static func is_single_player() -> bool:
	return instances.size() == 1


func _ready() -> void:
	_respawn_point = global_position
	instances.append(self)


func _process(_delta: float) -> void:
	var aim_pos := global_position + aimer.aim_offset
	Debugger.marker("aim", aim_pos + Vector3.UP)
	Debugger.vector("aimv", Vector3(aim_pos.x, 0, aim_pos.z), aim_pos + Vector3.UP)


func _physics_process(delta: float) -> void:
	_aiming()
	var can_move := not attack.is_hitting()
	velocity = mover.process_movement(velocity, delta, is_on_floor(), can_move)

	move_and_slide()

	if not attack.is_hitting() and aimer.aim_offset.length() > 0:
		look_at(global_position + aimer.aim_offset, Vector3.UP, true)

	_process_respawning()
	_cursor.handle_cursor(self, delta)


func _unhandled_input(event: InputEvent) -> void:
	var mode := Inputer.get_event_mode(event)
	if (
		not input_mode_is(mode)
		or (
			not Player.is_single_player()
			and _input_mode == Inputer.Mode.CONTROLLER
			and event.device != _device_index
		)
	):
		return

	aimer.handle_input(event, mode)
	mover.handle_input(event, mode)

	if event.is_action_pressed("attack"):
		attack.attack()


func input_mode_is(mode: Inputer.Mode) -> bool:
	return (
		(Player.is_single_player() and mode == Inputer.mode)
		or (not Player.is_single_player() and _input_mode == mode)
	)


func _aiming() -> void:
	if input_mode_is(Inputer.Mode.CONTROLLER):
		aimer.aim_controller(mover.move_input)

	if input_mode_is(Inputer.Mode.KB_MOUSE):
		var mouse_pos := get_viewport().get_mouse_position()
		if get_viewport().get_visible_rect().has_point(mouse_pos):
			aimer.aim_mouse(mouse_pos, global_position, is_on_floor())


func _process_respawning() -> void:
	if global_position.y < _respawn_height:
		global_position = _respawn_point
		velocity = Vector3.ZERO
		reset_physics_interpolation()