package actors

import (
	"github.com/filecoin-project/go-address"

	"github.com/ipfs/go-cid"
	mh "github.com/multiformats/go-multihash"
)

var AccountCodeCid cid.Cid
var CronCodeCid cid.Cid
var StoragePowerCodeCid cid.Cid
var StorageMarketCodeCid cid.Cid
var StorageMinerCodeCid cid.Cid
var MultisigCodeCid cid.Cid
var InitCodeCid cid.Cid
var PaymentChannelCodeCid cid.Cid

var SystemAddress = mustIDAddress(0)
var InitAddress = mustIDAddress(1)
var RewardActor = mustIDAddress(2)
var CronAddress = mustIDAddress(3)
var StoragePowerAddress = mustIDAddress(4)
var StorageMarketAddress = mustIDAddress(5)

var NetworkAddress = mustIDAddress(17) // TODO: needs to be removed in favor of reward actor

var BurntFundsAddress = mustIDAddress(99)

func mustIDAddress(i uint64) address.Address {
	a, err := address.NewIDAddress(i)
	if err != nil {
		panic(err) // ok
	}
	return a
}

func init() {
	pref := cid.NewPrefixV1(cid.Raw, mh.IDENTITY)
	mustSum := func(s string) cid.Cid {
		c, err := pref.Sum([]byte(s))
		if err != nil {
			panic(err) // ok
		}
		return c
	}

	AccountCodeCid = mustSum("fil/1/account") // TODO: spec
	CronCodeCid = mustSum("fil/1/cron")
	StoragePowerCodeCid = mustSum("fil/1/power")
	StorageMarketCodeCid = mustSum("fil/1/market")
	StorageMinerCodeCid = mustSum("fil/1/miner")
	MultisigCodeCid = mustSum("fil/1/multisig")
	InitCodeCid = mustSum("fil/1/init")
	PaymentChannelCodeCid = mustSum("fil/1/paych")

	BuiltInActors = map[cid.Cid]bool{
		StorageMarketCodeCid:  true,
		StoragePowerCodeCid:   true,
		StorageMinerCodeCid:   true,
		AccountCodeCid:        true,
		InitCodeCid:           true,
		MultisigCodeCid:       true,
		PaymentChannelCodeCid: true,
	}
}