package repository

import "context"

type SocialNetworkRepository interface {
	CreateUserNode(ctx context.Context, uid string) error
	MarkFollowerRelation(ctx context.Context, fromUID, toUID string) error
	RemoveFollowerRelation(ctx context.Context, fromUID, toUID string) error
	GetFollower(ctx context.Context, req FollowReq) (FollowResp, error)
	GetFollowee(ctx context.Context, req FollowReq) (FollowResp, error)
	GetFollowerCount(ctx context.Context, uid string) (int64, error)
	GetFolloweeCount(ctx context.Context, uid string) (int64, error)
	GetDegreeBetweenUsers(ctx context.Context, uid1, uid2 string) (int64, error)
	GetUIDsWithinNDegrees(ctx context.Context, uid string, degrees, pageSize, pageIndex int64) ([]string, int64, error)
}

type FollowReq struct {
	UID       string
	PageSize  int64
	PageIndex int64
}

type FollowResp struct {
	UIDs  []string
	Total int64
}