package putsvc

import (
	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/client"
	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/netmap"
	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
	objutil "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/util"
	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util"
	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
	"go.uber.org/zap"
)

type MaxSizeSource interface {
	// MaxObjectSize returns maximum payload size
	// of physically stored object in system.
	//
	// Must return 0 if value can not be obtained.
	MaxObjectSize() uint64
}

type Service struct {
	*cfg
}

type Option func(*cfg)

type ClientConstructor interface {
	Get(client.NodeInfo) (client.MultiAddressClient, error)
}

type InnerRing interface {
	InnerRingKeys() ([][]byte, error)
}

type FormatValidatorConfig interface {
	VerifySessionTokenIssuer() bool
}

type cfg struct {
	keyStorage *objutil.KeyStorage

	maxSizeSrc MaxSizeSource

	localStore ObjectStorage

	cnrSrc container.Source

	netMapSrc netmap.Source

	remotePool, localPool util.WorkerPool

	netmapKeys netmap.AnnouncedKeys

	fmtValidator *object.FormatValidator

	networkState netmap.State

	clientConstructor ClientConstructor

	log *logger.Logger

	verifySessionTokenIssuer bool
}

func NewService(ks *objutil.KeyStorage,
	cc ClientConstructor,
	ms MaxSizeSource,
	os ObjectStorage,
	cs container.Source,
	ns netmap.Source,
	nk netmap.AnnouncedKeys,
	nst netmap.State,
	ir InnerRing,
	opts ...Option,
) *Service {
	c := &cfg{
		remotePool:        util.NewPseudoWorkerPool(),
		localPool:         util.NewPseudoWorkerPool(),
		log:               &logger.Logger{Logger: zap.L()},
		keyStorage:        ks,
		clientConstructor: cc,
		maxSizeSrc:        ms,
		localStore:        os,
		cnrSrc:            cs,
		netMapSrc:         ns,
		netmapKeys:        nk,
		networkState:      nst,
	}

	for i := range opts {
		opts[i](c)
	}

	c.fmtValidator = object.NewFormatValidator(
		object.WithLockSource(os),
		object.WithNetState(nst),
		object.WithInnerRing(ir),
		object.WithNetmapSource(ns),
		object.WithContainersSource(cs),
		object.WithVerifySessionTokenIssuer(c.verifySessionTokenIssuer),
		object.WithLogger(c.log),
	)

	return &Service{
		cfg: c,
	}
}

func (p *Service) Put() (*Streamer, error) {
	return &Streamer{
		cfg: p.cfg,
	}, nil
}

func WithWorkerPools(remote, local util.WorkerPool) Option {
	return func(c *cfg) {
		c.remotePool, c.localPool = remote, local
	}
}

func WithLogger(l *logger.Logger) Option {
	return func(c *cfg) {
		c.log = l
	}
}

func WithVerifySessionTokenIssuer(v bool) Option {
	return func(c *cfg) {
		c.verifySessionTokenIssuer = v
	}
}