[golang] bootstrapped a client in yet another language

golang/cmd/spacetraders/main.go

@@ -0,0 +1,78 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"os"
+	"os/signal"
+
+	"git.adyxax.org/adyxax/spacetraders/v2/pkg/api"
+	"git.adyxax.org/adyxax/spacetraders/v2/pkg/database"
+)
+
+func main() {
+	opts := &slog.HandlerOptions{
+		//	//AddSource: true,
+		Level: slog.LevelDebug,
+	}
+	//logger := slog.New(slog.NewJSONHandler(os.Stdout, opts))
+	logger := slog.New(slog.NewTextHandler(os.Stdout, opts))
+	slog.SetDefault(logger)
+
+	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
+	defer cancel()
+	db, err := database.DBInit(ctx, "./spacetraders.db")
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "DbInit error %+v\n", err)
+		os.Exit(1)
+	}
+	client := api.NewClient(ctx)
+	defer client.Close()
+	err = run( //ctx,
+		db,
+		client,
+		//os.Args,
+		//os.Getenv,
+		//os.Getwd,
+		//os.Stdin,
+		//os.Stdout,
+		//os.Stderr,
+	)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "%s\n", err)
+		if err = db.Close(); err != nil {
+			fmt.Fprintf(os.Stderr, "%s\n", err)
+		}
+		os.Exit(2)
+	}
+}
+
+func run( // ctx context.Context,
+	db *database.DB,
+	client *api.Client,
+	//args []string,
+	//getenv func(string) string,
+	//getwd func() (string, error),
+	//stdin io.Reader,
+	//stdout, stderr io.Writer,
+) (err error) {
+	// ----- Get token or register ---------------------------------------------
+	token, err := db.GetToken()
+	if err != nil || token == "" {
+		var r api.APIMessage[api.RegisterMessage, any]
+		if r, err = client.Register("COSMIC", "ADYXAX-GO"); err != nil {
+			// TODO handle server reset
+			fmt.Printf("%+v, %+v\n", r, err)
+			return err
+		}
+		if err = db.AddToken(r.Data.Token); err != nil {
+			return err
+		}
+	}
+	client.SetToken(token)
+	// ----- Update agent ------------------------------------------------------
+	agent, err := client.MyAgent()
+	slog.Info("agent", "agent", agent, "err", err)
+	return err
+}