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path: root/cmd/server/main.go
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package main

import (
	"auth-proxy/config"
	"auth-proxy/database"
	"auth-proxy/handlers"
	"auth-proxy/logging"
	"auth-proxy/middleware"
	"auth-proxy/router"
	"auth-proxy/worker"
	"net/http"
	"os"

	"github.com/joho/godotenv"
)

func main() {
	// Initialize loggers
	logging.InitLoggers()

	// Load .env file
	if err := godotenv.Load(); err != nil {
		logging.AppLog.Info("No .env file found, using environment variables")
	}

	// Initialize path configurations
	config.Init()

	// Initialize database
	database.InitDB()
	defer database.CloseDB()

	// Initialize and start the worker pool
	pool := worker.NewWorkerPool()
	defer worker.Close(pool)
	handlers.SetWorkerPool(pool)

	// --- Secret Key Validation ---
	sessionSecret := os.Getenv("SESSION_SECRET")
	if sessionSecret == "" {
		logging.AppLog.Warn("SESSION_SECRET environment variable not set. Using default key. THIS IS NOT SAFE FOR PRODUCTION.")
	}
	xsrfSecret := os.Getenv("XSRF_SECRET_KEY")
	if xsrfSecret == "" {
		logging.AppLog.Error("XSRF_SECRET_KEY environment variable not set")
		os.Exit(1)
	}

	// Get target URL for proxy
	targetURL := os.Getenv("TARGET_URL")
	if targetURL == "" {
		logging.AppLog.Error("TARGET_URL environment variable not set")
		os.Exit(1)
	}

	// Create the main handler
	mainRouter := router.NewRouter()

	// Start periodic background tasks
	go router.StartBackgroundTasks(pool, middleware.NewRateLimiter())

	// Get server port
	port := os.Getenv("LISTEN_PORT")
	if port == "" {
		port = "8080"
	}
	listenAddr := ":" + port

	// --- Start Server ---
	logging.AppLog.Info("Server starting on " + listenAddr)

	if err := http.ListenAndServe(listenAddr, mainRouter); err != nil {
		logging.AppLog.Error("Server failed to start", "error", err)
		os.Exit(1)
	}
}