[golang] Bootstrap contracting and refactor the agent code

golang/pkg/agent/agent.go

@@ -1,26 +0,0 @@
-package agent
-
-import (
-	"sync"
-
-	"git.adyxax.org/adyxax/spacetraders/golang/pkg/model"
-)
-
-type Agent struct {
-	data  *model.Agent
-	mutex sync.Mutex
-}
-
-var agent Agent
-
-func GetAgent() *model.Agent {
-	agent.mutex.Lock()
-	defer agent.mutex.Unlock()
-	return agent.data
-}
-
-func SetAgent(data *model.Agent) {
-	agent.mutex.Lock()
-	defer agent.mutex.Unlock()
-	agent.data = data
-}

golang/pkg/agent/run.go

@@ -0,0 +1,78 @@
+package agent
+
+import (
+	"errors"
+	"fmt"
+	"log/slog"
+
+	"git.adyxax.org/adyxax/spacetraders/golang/pkg/api"
+	"git.adyxax.org/adyxax/spacetraders/golang/pkg/database"
+)
+
+func Run(
+	apiClient *api.Client,
+	db *database.DB,
+	getenv func(string) string,
+) error {
+	accountToken := getenv("SPACETRADERS_ACCOUNT_TOKEN")
+	if accountToken == "" {
+		return fmt.Errorf("the SPACETRADERS_ACCOUNT_TOKEN environment variable is not set")
+	}
+	agent := getenv("SPACETRADERS_AGENT")
+	if agent == "" {
+		return fmt.Errorf("the SPACETRADERS_AGENT environment variable is not set")
+	}
+	faction := getenv("SPACETRADERS_FACTION")
+	if faction == "" {
+		return fmt.Errorf("the SPACETRADERS_FACTION environment variable is not set")
+	}
+	// ----- Get token or register ---------------------------------------------
+	apiClient.SetToken(accountToken)
+	register, err := apiClient.Register(faction, agent)
+	if err != nil {
+		apiError := &api.APIError{}
+		if errors.As(err, &apiError) {
+			switch apiError.Code {
+			case 4111: // Agent symbol has already been claimed
+				token, err := db.GetToken()
+				if err != nil || token == "" {
+					return fmt.Errorf("failed to register and failed to get a token from the database: someone stole our agent's callsign: %w", err)
+				}
+				apiClient.SetToken(token)
+				agent, err := apiClient.MyAgent()
+				if err != nil {
+					return fmt.Errorf("failed to get agent: %w", err)
+				}
+				slog.Info("agent", "/my/agent", agent)
+			default:
+				return fmt.Errorf("failed to register: %w", err)
+			}
+		} else {
+			return fmt.Errorf("failed to register with an invalid apiError: %w", err)
+		}
+	} else {
+		token, err := db.GetToken()
+		if err != nil || token == "" {
+			if err := db.AddToken(register.Token); err != nil {
+				return fmt.Errorf("failed to save token: %w", err)
+			}
+			apiClient.SetToken(register.Token)
+		} else {
+			// We successfully registered but have a tainted database
+			slog.Error("token", "token", register.Token)
+			return fmt.Errorf("TODO server reset not implemented yet")
+		}
+	}
+	// ----- run agent ---------------------------------------------------------
+	contracts, err := apiClient.MyContracts()
+	if err != nil {
+		return err
+	}
+	slog.Info("start", "contract", contracts[0], "err", err)
+	ships, err := apiClient.MyShips()
+	if err != nil {
+		return err
+	}
+	slog.Info("start", "ship", ships[0].Nav.Status, "err", err)
+	return nil
+}