platformlabs-org · google-labs-jules · Jan 19, 2026 · Jan 19, 2026 · Jan 19, 2026 · Jan 19, 2026
diff --git a/WU-Go-ui/app.go b/WU-Go-ui/app.go
@@ -2,17 +2,27 @@ package main
 
 import (
 	"context"
-	"fmt"
+	"path/filepath"
+	"os"
+
+	"WU-Go-ui/internal/auth"
+	"WU-Go-ui/internal/devcenter"
+	"WU-Go-ui/internal/drivermeta"
+	"WU-Go-ui/internal/shippinglabel"
+	"WU-Go-ui/internal/support"
 )
 
 // App struct
 type App struct {
-	ctx context.Context
+	ctx        context.Context
+	httpClient *devcenter.Client
 }
 
 // NewApp creates a new App application struct
 func NewApp() *App {
-	return &App{}
+	return &App{
+		httpClient: devcenter.NewClient("https://manage.devcenter.microsoft.com/v2.0/my/hardware"),
+	}
 }
 
 // startup is called when the app starts. The context is saved
@@ -21,7 +31,77 @@ func (a *App) startup(ctx context.Context) {
 	a.ctx = ctx
 }
 
-// Greet returns a greeting for the given name
-func (a *App) Greet(name string) string {
-	return fmt.Sprintf("Hello %s, It's show time!", name)
+// Config Methods
+
+func (a *App) LoadConfig() (*auth.Credential, error) {
+	path := a.getCredentialPath()
+	return auth.LoadCredential(path), nil
+}
+
+func (a *App) SaveConfig(c auth.Credential) error {
+	path := a.getCredentialPath()
+	auth.SaveCredential(path, &c)
+	return nil
+}
+
+func (a *App) getCredentialPath() string {
+	// Attempt to store in same dir as executable, fallback to local
+	exe, err := os.Executable()
+	if err != nil {
+		return "credential.json"
+	}
+	return filepath.Join(filepath.Dir(exe), "credential.json")
+}
+
+// Auth Methods
+
+func (a *App) AcquireToken(tenantID, clientID, clientSecret string) (string, error) {
+	return auth.AcquireToken(a.ctx, a.httpClient.HTTP, tenantID, clientID, clientSecret)
+}
+
+// Submission Methods
+
+func (a *App) GetSubmission(token, productID, submissionID string) (map[string]any, error) {
+	if support.IsBlank(productID) || support.IsBlank(submissionID) {
+		return nil, support.NewAPIError("Product ID and Submission ID are required")
+	}
+	return devcenter.GetSubmission(a.ctx, a.httpClient, token, productID, submissionID)
+}
+
+// Metadata Methods
+
+func (a *App) AnalyzeMetadata(token string, submission map[string]any) (*drivermeta.ParseResult, error) {
+	url, err := devcenter.FindDriverMetadataURL(submission)
+	if err != nil {
+		return nil, err
+	}
+
+	metaRoot, err := devcenter.DownloadDriverMetadata(a.ctx, a.httpClient, token, url)
+	if err != nil {
+		return nil, err
+	}
+
+	return drivermeta.Parse(metaRoot)
+}
+
+// Label Methods
+
+func (a *App) CreateShippingLabel(
+	token, productID, submissionID string,
+	options shippinglabel.LabelOptions,
+	name string,
+	targets []drivermeta.HardwareTarget,
+	chids []string,
+) (map[string]any, error) {
+
+	if support.IsBlank(name) {
+		return nil, support.NewAPIError("Shipping label name is required")
+	}
+
+	payload, err := shippinglabel.BuildPayload(options, name, targets, chids)
+	if err != nil {
+		return nil, err
+	}
+
+	return devcenter.CreateShippingLabel(a.ctx, a.httpClient, token, productID, submissionID, payload)
 }
diff --git a/WU-Go-ui/frontend/index.html b/WU-Go-ui/frontend/index.html
@@ -3,11 +3,10 @@
 <head>
     <meta charset="UTF-8"/>
     <meta content="width=device-width, initial-scale=1.0" name="viewport"/>
-    <title>WU-Go-ui</title>
+    <title>WU Shipping Tool</title>
 </head>
 <body>
 <div id="root"></div>
 <script src="./src/main.tsx" type="module"></script>
 </body>
 </html>
-