extends RigidBody2D

@export var speed = 300.0
@export var jump_velocity = -400.0
@export var wall_jump_velocity = 600.0
@export var fox_time = 5
@export var limp_gravity_modifier = 2.0
@export var on_ground_force = 50.0
@export var in_air_force = 10.0
@export var stop_force = 10.0

var last_grounded = 0

# Get the gravity from the project settings to be synced with RigidBody nodes.
var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")

var gun: Node2D

func _ready():
	$MultiplayerSynchronizer.set_multiplayer_authority(name.to_int())
	var username = GameManager.players[name.to_int()].name
	$Label.text = username
	var username_hash = 0
	for i in username.length():
		username_hash += username.unicode_at(i)
	$Sprite2D.modulate = Color.from_hsv((username_hash % 255) / 255.0, 0.5, 0.8)
	gun = $Gun

func _physics_process(_delta):
	if $MultiplayerSynchronizer.get_multiplayer_authority() != multiplayer.get_unique_id():
		return

	# Add the gravity.
	var is_on_floor = len($FloorDetect.get_overlapping_bodies()) > 0
	if is_on_floor:
		last_grounded = Time.get_ticks_msec()
	gravity_scale = limp_gravity_modifier if Input.is_action_pressed("limp") else 1.0

	gun.look_at(get_global_mouse_position())

	var grounded = Time.get_ticks_msec() - last_grounded < fox_time
	
	var on_left_wall = len($WallDetectLeft.get_overlapping_bodies()) > 0
	var on_right_wall = len($WallDetectRight.get_overlapping_bodies()) > 0
	var on_wall = on_left_wall or on_right_wall

	#velocity_offset = velocity_offset.lerp(Vector2.ZERO, (grounded_drag_lerp if is_on_floor() else ungrounded_drag_lerp) * delta)

	# 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("move_left", "move_right")
	if grounded:
		apply_central_force(Vector2.RIGHT * direction * speed * on_ground_force)
		if direction == 0:
			if linear_velocity.x > 0.1:
				apply_central_force(Vector2.LEFT * stop_force)
			elif linear_velocity.x < 0.1:
				apply_central_force(Vector2.RIGHT * stop_force)
	elif (not on_wall) or (on_left_wall && direction > 0) or (on_right_wall and direction < 0):
		apply_central_force(Vector2.RIGHT * direction * speed * in_air_force)
	
	if linear_velocity.x > speed:
		linear_velocity.x = speed
	elif linear_velocity.x < -speed:
		linear_velocity.x = -speed 

	# Handle Jump.
	if Input.is_action_just_pressed("jump"):
		if grounded:
			apply_central_impulse(Vector2.UP * jump_velocity)
			$JumpSound.play()
		if not grounded and on_wall:
			apply_central_impulse(Vector2.UP * jump_velocity)
			if on_right_wall:
				apply_central_impulse(Vector2.LEFT * wall_jump_velocity)
			else:
				apply_central_impulse(Vector2.RIGHT * wall_jump_velocity)
			$JumpSound.play()