extends Resource
class_name Card

enum Rank {RANK_0, RANK_1, RANK_2, RANK_3}
enum EffectType {
	MOVEMENT_MODIFIER,
	BOARD_EFFECT,
	PIECE_EFFECT,
	SPECIAL_ACTION
}

var card_name: String
var rank: Rank
var description: String
var duration: int = 0
var attached_piece: Pawn = null
var burned: bool = false
var effect_type: EffectType
var remaining_turns: int = 0
var unit_whitelist: Array[String] = []  # List of piece types this card can be attached to

func _init():
	remaining_turns = duration

func can_attach_to_piece(piece: Pawn) -> bool:
	if unit_whitelist.is_empty():
		return true
	return unit_whitelist.has(piece.name)

func apply_effect(target_piece = null, board_flow = null, game_state = null):
	if burned || (target_piece && !can_attach_to_piece(target_piece)):
		return false
		
	remaining_turns = duration
	attached_piece = target_piece
	
	match rank:
		Rank.RANK_0: burned = true
		Rank.RANK_1: burned = true
		Rank.RANK_2: pass
		Rank.RANK_3: pass
			
	return modify_moves()

func update_duration():
	if remaining_turns > 0:
		remaining_turns -= 1
		if remaining_turns <= 0:
			remove_effect()
			
			
func modify_moves() -> Dictionary:
	return {}
	
	
func remove_effect():
	if attached_piece:
		pass