package permlib

import (
	"context"

	"github.com/xiaozi/permlib/pb"

	"google.golang.org/grpc"
	"google.golang.org/grpc/credentials/insecure"
)

type grpcClient struct {
	cli pb.PermServiceClient
}

func newGRPCClient(target string) (*grpcClient, error) {
	conn, err := grpc.NewClient(target, grpc.WithTransportCredentials(insecure.NewCredentials()))
	if err != nil {
		return nil, err
	}
	return &grpcClient{cli: pb.NewPermServiceClient(conn)}, nil
}

func (c *grpcClient) verifyToken(ctx context.Context, accessToken string) (*pb.VerifyTokenResp, error) {
	return c.cli.VerifyToken(ctx, &pb.VerifyTokenReq{AccessToken: accessToken})
}

func (c *grpcClient) login(ctx context.Context, productCode, username, password string) (*pb.LoginResp, error) {
	return c.cli.Login(ctx, &pb.LoginReq{
		ProductCode: productCode,
		Username:    username,
		Password:    password,
	})
}

func (c *grpcClient) refreshToken(ctx context.Context, refreshToken, productCode string) (*pb.RefreshTokenResp, error) {
	return c.cli.RefreshToken(ctx, &pb.RefreshTokenReq{
		RefreshToken: refreshToken,
		ProductCode:  productCode,
	})
}

func (c *grpcClient) syncPermissions(ctx context.Context, appKey, appSecret string, perms []*pb.PermItem) (*pb.SyncPermissionsResp, error) {
	return c.cli.SyncPermissions(ctx, &pb.SyncPermissionsReq{
		AppKey:    appKey,
		AppSecret: appSecret,
		Perms:     perms,
	})
}

func (c *grpcClient) getUserPerms(ctx context.Context, appKey, appSecret string, userId int64, productCode string) (*pb.GetUserPermsResp, error) {
	return c.cli.GetUserPerms(ctx, &pb.GetUserPermsReq{
		AppKey:      appKey,
		AppSecret:   appSecret,
		UserId:      userId,
		ProductCode: productCode,
	})
}