extends Node
class_name ScarcityManager

# ScarcityManager - Handles weighted random, tile generation for gameplay balance

const TILES = [7, 8, 9, 10]
const SPECIAL_TILES = [11, 12, 13, 14]

# Weights (higher = more common)
# Standard tiles: Heart, Diamond, Star, Coin
const TILE_WEIGHTS = {
	7: 100, # Heart
	8: 100, # Diamond
	9: 100, # Star
	10: 100 # Coin
}

# Special tiles: Burn, Spawn, Freeze, Block, Invisible
const SPECIAL_WEIGHTS = {
	11: 5,
	12: 5,
	13: 5,
	14: 5
}

static func get_random_tile_id() -> int:
	var rng = RandomNumberGenerator.new()
	rng.randomize()
	
	var total_weight = 0
	var pool = {}
	
	# Add standard tiles
	for id in TILE_WEIGHTS:
		pool[id] = TILE_WEIGHTS[id]
		total_weight += TILE_WEIGHTS[id]
	
	# Add special tiles
	for id in SPECIAL_WEIGHTS:
		pool[id] = SPECIAL_WEIGHTS[id]
		total_weight += SPECIAL_WEIGHTS[id]
		
	var roll = rng.randi_range(0, total_weight - 1)
	var current = 0
	
	for id in pool:
		current += pool[id]
		if roll < current:
			return id
			
	return 7 # Fallback to Heart