extends TextureButton

class_name Card

enum Category {
	Onion,
	Cabbage,
	Carrot,
	Bucket
}

@export var mouse_follow_speed: int = 50

@export var index : Vector2 = Global.invalid_cell_index
@export var category : Category = Category.Cabbage
@export var value : int = 0

@export var onion_texture : Texture2D
@export var cabbage_texture : Texture2D
@export var carrot_texture : Texture2D
@export var bucket_texture : Texture2D

var origin_pos : Vector2
var has_mouse : bool
var settled : bool

func setup_card(category: Category, value: int) -> void:
	origin_pos = global_position
	self.category = category
	self.value = value
	setup_sprite(category, value)

func setup_sprite(category: Category, value: int) -> void:
	$Value.text = str(value)
	match category :
		Category.Onion:
			texture_normal = onion_texture
		Category.Cabbage:
			texture_normal = cabbage_texture
		Category.Carrot:
			texture_normal = carrot_texture
		Category.Bucket:
			texture_normal = bucket_texture
			$Value.text = ""

func _on_button_down() -> void:
	if !settled:
		has_mouse = true
		get_node("/root/GameRoot").emit_signal("dragging_card", self)

func _on_button_up() -> void:
	has_mouse = false
	if !settled:
		global_position = origin_pos
	
func _process(delta):
	if has_mouse and !settled:
		var mouse_pos = get_global_mouse_position()
		var target_pos = Vector2(mouse_pos.x + 2, mouse_pos.y + 2)
		global_position = global_position.lerp(target_pos, mouse_follow_speed*delta)