extends Node

signal productions_update(p: Array[Production])
signal production_log(producer: Currency, p: Production)
@export var currencies: Array[Production]
@export var members: Array

func get_currency(c: Currency) -> Production:
	sync_currency.call_deferred()
	for p in currencies:
		if c == p.currency:
			return p
	var p := Production.new()
	p.currency = c
	p.amount = 0
	currencies.append(p)
	return p

func sync_currency():
	var did_remove := true
	while did_remove:
		did_remove = false
		for i in range(len(currencies)):
			var p: Production = currencies[i]
			if p.amount == 0:
				currencies.remove_at(i)
				did_remove = true
				break
	productions_update.emit(currencies)


func produce(producer: Currency, production: Production):
	sync_currency.call_deferred()
	var c := get_currency(production.currency)
	c.amount += production.amount

func simulate():
	productions_update.emit.call_deferred(currencies)
	for c in currencies:
		for p in c.currency.production:
			var pp := Production.new()
			pp.currency = p.currency
			pp.amount = c.amount * p.amount
			produce(c.currency, pp)
			# TODO remove this
			production_log.emit.call_deferred(c.currency, pp)

func _ready() -> void:
	simulate()