logistics_support_tool/backend/main.go

// @title My Awesome API
// @version 1.0
// @description This is a sample server for a pet store.
// @termsOfService http://swagger.io/terms/

// @contact.name API Support
// @contact.url http://www.swagger.io/support
// @contact.email support@swagger.io

// @license.name Apache 2.0
// @license.url http://www.apache.org/licenses/LICENSE-2.0.html

// @host localhost:8080
// @BasePath /api/v1
package main

import (
	"errors"
	"fmt"

	"net/http"
	"os"

	"github.com/gin-contrib/cors"
	"github.com/gin-gonic/gin"
	"github.com/joho/godotenv"
	"lst.net/cmd/services/logging"
	"lst.net/cmd/services/system/config"
	_ "lst.net/docs"
	"lst.net/utils/db"
)

func main() {
	log := logging.New()
	// Load .env only in dev (not Docker/production)
	if os.Getenv("RUNNING_IN_DOCKER") != "true" {
		err := godotenv.Load("../.env")
		if err != nil {
			log.Info("Warning: .env file not found (ok in Docker/production)", "system", map[string]interface{}{})
		}
	}

	// Initialize DB
	if err := db.InitDB(); err != nil {
		log.Panic("Database intialize failed", "db", map[string]interface{}{
			"error":   err.Error(),
			"casue":   errors.Unwrap(err),
			"timeout": "30s",
			"details": fmt.Sprintf("%+v", err), // Full stack trace if available
		})
	}
	defer func() {
		if r := recover(); r != nil {
			sqlDB, _ := db.DB.DB()
			sqlDB.Close()
			log.Error("Recovered from panic during DB shutdown", "db", map[string]interface{}{
				"panic": r,
			})
		}
	}()

	// Set basePath dynamically
	basePath := "/"

	if os.Getenv("APP_ENV") != "production" {
		basePath = "/lst" // Dev only
	}

	// fmt.Println(name)
	fmt.Println("Welcome to lst backend where all the fun happens.")
	r := gin.Default()

	if os.Getenv("APP_ENV") == "production" {
		gin.SetMode(gin.ReleaseMode)
	}

	// Enable CORS (adjust origins as needed)
	r.Use(cors.New(cors.Config{
		AllowOrigins:     []string{"*"}, // Allow all origins (change in production)
		AllowMethods:     []string{"GET", "OPTIONS", "POST", "DELETE", "PATCH", "CONNECT"},
		AllowHeaders:     []string{"Origin", "Cache-Control", "Content-Type"},
		ExposeHeaders:    []string{"Content-Length"},
		AllowCredentials: true,
		AllowWebSockets:  true,
	}))

	// // --- Add Redirects Here ---
	// // Redirect root ("/") to "/app" or "/lst/app"
	// r.GET("/", func(c *gin.Context) {
	// 	c.Redirect(http.StatusMovedPermanently, basePath+"/app")
	// })

	// // Redirect "/lst" (if applicable) to "/lst/app"
	// if basePath == "/lst" {
	// 	r.GET("/lst", func(c *gin.Context) {
	// 		c.Redirect(http.StatusMovedPermanently, basePath+"/app")
	// 	})
	// }

	// Serve Docusaurus static files
	r.StaticFS(basePath+"/docs", http.Dir("docs"))
	r.StaticFS(basePath+"/app", http.Dir("frontend"))

	r.GET(basePath+"/api/ping", func(c *gin.Context) {
		log.Info("Checking if the server is up", "system", map[string]interface{}{
			"endpoint":   "/api/ping",
			"client_ip":  c.ClientIP(),
			"user_agent": c.Request.UserAgent(),
		})
		c.JSON(200, gin.H{"message": "pong"})
	})

	logging.RegisterLoggerRoutes(r, basePath)
	config.RegisterConfigRoutes(r, basePath)

	r.Any(basePath+"/api", errorApiLoc)

	// get the server port
	port := "8080"
	if os.Getenv("VITE_SERVER_PORT") != "" {
		port = os.Getenv("VITE_SERVER_PORT")
	}
	r.Run(":" + port)
}

// func serveViteApp(c *gin.Context) {
// 	// Set proper Content-Type for HTML
// 	c.Header("Content-Type", "text/html")
// 	c.File("./dist/index.html")
// }

//	func errorLoc(c *gin.Context) {
//		c.JSON(http.StatusBadRequest, gin.H{"message": "welcome to lst system you might have just encountered an incorrect area of the app"})
//	}
func errorApiLoc(c *gin.Context) {
	log := logging.New()
	log.Info("Api endpoint hit that dose not exist", "system", map[string]interface{}{
		"endpoint":   "/api",
		"client_ip":  c.ClientIP(),
		"user_agent": c.Request.UserAgent(),
	})
	c.JSON(http.StatusBadRequest, gin.H{"message": "looks like you have encountered an api route that dose not exist"})
}