package reward

import (
    "fmt"
	actorstypes "github.com/filecoin-project/go-state-types/actors"
	"github.com/filecoin-project/go-state-types/abi"
	"github.com/ipfs/go-cid"

	"github.com/filecoin-project/lotus/chain/actors"
	"github.com/filecoin-project/lotus/chain/actors/adt"
	"github.com/filecoin-project/lotus/chain/actors/builtin"
	"github.com/filecoin-project/go-state-types/manifest"

{{if (le .v 7)}}
	miner{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/builtin/miner"
	reward{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/builtin/reward"
	smoothing{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/util/smoothing"
{{else}}
	smoothing{{.v}} "github.com/filecoin-project/go-state-types/builtin{{.import}}util/smoothing"
	miner{{.v}} "github.com/filecoin-project/go-state-types/builtin{{.import}}miner"
	reward{{.v}} "github.com/filecoin-project/go-state-types/builtin{{.import}}reward"
{{end}}
)

var _ State = (*state{{.v}})(nil)

func load{{.v}}(store adt.Store, root cid.Cid) (State, error) {
	out := state{{.v}}{store: store}
	err := store.Get(store.Context(), root, &out)
	if err != nil {
		return nil, err
	}
	return &out, nil
}

func make{{.v}}(store adt.Store, currRealizedPower abi.StoragePower) (State, error) {
	out := state{{.v}}{store: store}
	out.State = *reward{{.v}}.ConstructState(currRealizedPower)
	return &out, nil
}

type state{{.v}} struct {
	reward{{.v}}.State
	store adt.Store
}

func (s *state{{.v}}) ThisEpochReward() (abi.TokenAmount, error) {
	return s.State.ThisEpochReward, nil
}

func (s *state{{.v}}) ThisEpochRewardSmoothed() (builtin.FilterEstimate, error) {
{{if (ge .v 2)}}
		return builtin.FilterEstimate{
		PositionEstimate: s.State.ThisEpochRewardSmoothed.PositionEstimate,
		VelocityEstimate: s.State.ThisEpochRewardSmoothed.VelocityEstimate,
	}, nil
{{else}}
	return builtin.FilterEstimate(*s.State.ThisEpochRewardSmoothed), nil
{{end}}
}

func (s *state{{.v}}) ThisEpochBaselinePower() (abi.StoragePower, error) {
	return s.State.ThisEpochBaselinePower, nil
}

func (s *state{{.v}}) TotalStoragePowerReward() (abi.TokenAmount, error) {
	return s.State.{{if (ge .v 2)}}TotalStoragePowerReward{{else}}TotalMined{{end}}, nil
}

func (s *state{{.v}}) EffectiveBaselinePower() (abi.StoragePower, error) {
	return s.State.EffectiveBaselinePower, nil
}

func (s *state{{.v}}) EffectiveNetworkTime() (abi.ChainEpoch, error) {
	return s.State.EffectiveNetworkTime, nil
}

func (s *state{{.v}}) CumsumBaseline() (reward{{.v}}.Spacetime, error) {
	return s.State.CumsumBaseline, nil
}

func (s *state{{.v}}) CumsumRealized() (reward{{.v}}.Spacetime, error) {
	return s.State.CumsumRealized, nil
}
{{if (ge .v 2)}}
func (s *state{{.v}}) InitialPledgeForPower(qaPower abi.StoragePower, networkTotalPledge abi.TokenAmount, networkQAPower *builtin.FilterEstimate, circSupply abi.TokenAmount) (abi.TokenAmount, error) {
	return miner{{.v}}.InitialPledgeForPower(
		qaPower,
		s.State.ThisEpochBaselinePower,
		s.State.ThisEpochRewardSmoothed,
		smoothing{{.v}}.FilterEstimate{
			PositionEstimate: networkQAPower.PositionEstimate,
			VelocityEstimate: networkQAPower.VelocityEstimate,
		},
		circSupply,
	), nil
}
{{else}}
func (s *state0) InitialPledgeForPower(sectorWeight abi.StoragePower, networkTotalPledge abi.TokenAmount, networkQAPower *builtin.FilterEstimate, circSupply abi.TokenAmount) (abi.TokenAmount, error) {
	return miner0.InitialPledgeForPower(
		sectorWeight,
		s.State.ThisEpochBaselinePower,
		networkTotalPledge,
		s.State.ThisEpochRewardSmoothed,
		&smoothing0.FilterEstimate{
			PositionEstimate: networkQAPower.PositionEstimate,
			VelocityEstimate: networkQAPower.VelocityEstimate,
		},
		circSupply), nil
}
{{end}}
func (s *state{{.v}}) PreCommitDepositForPower(networkQAPower builtin.FilterEstimate, sectorWeight abi.StoragePower) (abi.TokenAmount, error) {
	return miner{{.v}}.PreCommitDepositForPower(s.State.ThisEpochRewardSmoothed,
		{{if (le .v 0)}}&{{end}}smoothing{{.v}}.FilterEstimate{
			PositionEstimate: networkQAPower.PositionEstimate,
			VelocityEstimate: networkQAPower.VelocityEstimate,
		},
		sectorWeight), nil
}

func (s *state{{.v}}) GetState() interface{} {
	return &s.State
}

func (s *state{{.v}}) ActorKey() string {
    return manifest.RewardKey
}

func (s *state{{.v}}) ActorVersion() actorstypes.Version {
    return actorstypes.Version{{.v}}
}

func (s *state{{.v}}) Code() cid.Cid {
	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
	if !ok {
		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
	}

	return code
}