feat: jwt token generation (todo: create jwt validation middleware)

internal/api/routes/auth.go

@@ -2,8 +2,10 @@ package routes
 
 import (
 	"net/http"
+	"time"
 
 	"github.com/gin-gonic/gin"
+	"stereo.cat/backend/internal/auth"
 	"stereo.cat/backend/internal/types"
 )
 
@@ -23,6 +25,12 @@ func RegisterAuthRoutes(cfg *types.StereoConfig, api *gin.RouterGroup) {
 			panic(err)
 		}
 
-		c.JSON(http.StatusOK, user)
+		jwt, err := auth.GenerateJWT(cfg.JWTSecret, user, uint64(time.Now().Add(time.Second*time.Duration(t.ExpiresIn)).Unix()))
+
+		if err != nil {
+			panic(err)
+		}
+
+		c.String(http.StatusOK, jwt)
 	})
 }