Refactor router and middleware packages

- Move middleware functions from `main.go` to `middleware.go` in the `middleware` package.
- Update import statements in `main.go` and use the `router` package instead of the `controllers` package.

```
Refactor router and middleware packages

Move middleware functions from `main.go` to `middleware.go` in the `middleware` package. Update import statements in `main.go` and use the `router` package instead of the `controllers` package.
```

1 files changed, 42 insertions, 0 deletions

diff --git a/api/internal/router/router.go b/api/internal/router/router.go
new file mode 100644
index 0000000..adf96d0
--- /dev/null
+++ b/api/internal/router/router.go
@@ -0,0 +1,42 @@
+package router
+
+import (
+        "github.com/gin-gonic/gin"
+        "water/api/internal/controllers"
+        "water/api/internal/middleware"
+)
+
+func SetupRouter() *gin.Engine {
+        // Disable Console Color
+        //      gin.DisableConsoleColor()
+        r := gin.Default()
+        r.Use(middleware.CORSMiddleware())
+        r.Use(gin.Logger())
+        r.Use(gin.Recovery())
+
+        api := r.Group("api/v1")
+
+        api.POST("/auth", controllers.AuthHandler)
+
+        user := api.Group("/user/:uuid")
+        user.Use(middleware.TokenRequired())
+        {
+                user.GET("", controllers.GetUser)
+                user.GET("preferences", controllers.GetUserPreferences)
+                user.PATCH("preferences", controllers.UpdateUserPreferences)
+        }
+
+        stats := api.Group("/stats")
+        stats.Use(middleware.TokenRequired())
+        {
+                stats.GET("/", controllers.GetAllStatistics)
+                stats.POST("/", controllers.PostNewStatistic)
+                stats.GET("weekly/", controllers.GetWeeklyStatistics)
+                stats.GET("daily/", controllers.GetDailyUserStatistics)
+                stats.GET("user/:uuid", controllers.GetUserStatistics)
+                stats.PATCH("user/:uuid", controllers.UpdateUserStatistic)
+                stats.DELETE("user/:uuid", controllers.DeleteUserStatistic)
+        }
+
+        return r
+}
\ No newline at end of file