package deletesvc

import (
	"context"
	"fmt"

	"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
)

func (exec *execCtx) executeLocal(ctx context.Context) error {
	exec.log.Debug(logs.DeleteFormingTombstoneStructure)

	if err := exec.formTombstone(ctx); err != nil {
		return err
	}

	exec.log.Debug(logs.DeleteTombstoneStructureSuccessfullyFormedSaving)

	return exec.saveTombstone(ctx)
}

func (exec *execCtx) formTombstone(ctx context.Context) error {
	tsLifetime, err := exec.svc.netInfo.TombstoneLifetime()
	if err != nil {
		return fmt.Errorf("fetch tombstone lifetime: %w", err)
	}

	exec.tombstone = objectSDK.NewTombstone()
	exec.tombstone.SetExpirationEpoch(
		exec.svc.netInfo.CurrentEpoch() + tsLifetime,
	)
	exec.addMembers([]oid.ID{exec.address().Object()})

	exec.log.Debug(logs.DeleteFormingSplitInfo)

	if err := exec.formSplitInfo(ctx); err != nil {
		return fmt.Errorf("form split info: %w", err)
	}

	exec.log.Debug(logs.DeleteSplitInfoSuccessfullyFormedCollectingMembers)

	exec.tombstone.SetSplitID(exec.splitInfo.SplitID())

	if err := exec.collectMembers(ctx); err != nil {
		return err
	}

	exec.log.Debug(logs.DeleteMembersSuccessfullyCollected)

	return exec.initTombstoneObject()
}