feat(app): implement EVE SSO login and waypoint setting functionality

app.go

@@ -2,12 +2,17 @@ package main
 
 import (
 	"context"
+	"errors"
 	"fmt"
+	"os"
+
+	"github.com/wailsapp/wails/v2/pkg/runtime"
 )
 
 // App struct
 type App struct {
 	ctx context.Context
+	ssi *ESISSO
 }
 
 // NewApp creates a new App application struct
@@ -19,9 +24,66 @@ func NewApp() *App {
 // so we can call the runtime methods
 func (a *App) startup(ctx context.Context) {
 	a.ctx = ctx
+
+	clientID := os.Getenv("EVE_SSO_CLIENT_ID")
+	if clientID == "" {
+		clientID = "5091f74037374697938384bdbac2698c"
+	}
+	redirectURI := os.Getenv("EVE_SSO_REDIRECT_URI")
+	if redirectURI == "" {
+		redirectURI = "http://localhost:8080/callback"
+	}
+
+	a.ssi = NewESISSO(clientID, redirectURI, []string{"esi-ui.write_waypoint.v1"})
 }
 
 // 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)
 }
+
+// StartESILogin begins the PKCE SSO flow and opens a browser to the EVE login page
+func (a *App) StartESILogin() (string, error) {
+	if a.ssi == nil {
+		return "", errors.New("ESI not initialised")
+	}
+	url, err := a.ssi.BuildAuthorizeURL()
+	if err != nil {
+		return "", err
+	}
+	go func() { _ = a.ssi.StartCallbackServer() }()
+	runtime.BrowserOpenURL(a.ctx, url)
+	return url, nil
+}
+
+// ESILoginStatus returns a short status string of the active token/character
+func (a *App) ESILoginStatus() string {
+	if a.ssi == nil {
+		return "not initialised"
+	}
+	st := a.ssi.Status()
+	if st.LoggedIn {
+		return fmt.Sprintf("logged in as %s (%d)", st.CharacterName, st.CharacterID)
+	}
+	return "not logged in"
+}
+
+// SetDestination posts a waypoint to ESI to set destination
+func (a *App) SetDestination(destinationID int64, clearOthers bool, addToBeginning bool) error {
+	if a.ssi == nil {
+		return errors.New("ESI not initialised")
+	}
+	return a.ssi.PostWaypoint(destinationID, clearOthers, addToBeginning)
+}
+
+// SetDestinationByName resolves a solar system name to ID and sets destination
+func (a *App) SetDestinationByName(systemName string, clearOthers bool, addToBeginning bool) error {
+	if a.ssi == nil {
+		return errors.New("ESI not initialised")
+	}
+	id, err := a.ssi.ResolveSystemIDByName(a.ctx, systemName)
+	if err != nil {
+		return err
+	}
+	return a.ssi.PostWaypoint(id, clearOthers, addToBeginning)
+}