package main

import (
	"log"
	"net/http"
	"os"
	"whimsoc/vindn-backend/config"
	"whimsoc/vindn-backend/models"
	"whimsoc/vindn-backend/repositories"
	"whimsoc/vindn-backend/services"
	"whimsoc/vindn-backend/tasks"

	"github.com/gofiber/fiber/v2"

	// Embeds the IANA timezone database into the binary so TZ=Europe/Berlin
	// (see docker-compose.yaml) resolves correctly even on a minimal runtime
	// image that might not ship /usr/share/zoneinfo — the twice-daily cron
	// schedule in tasks/Cronjob.go depends on this being right.
	_ "time/tzdata"
)

func main() {
	// The prod runtime image is distroless (no shell, no wget/curl), so
	// Docker's HEALTHCHECK runs this binary in a second mode instead of a
	// separate tool — see backend/Dockerfile.prod.
	if len(os.Args) > 1 && os.Args[1] == "healthcheck" {
		runHealthcheck()
		return
	}

	// Lade .env
	config.LoadEnv()

	// Verbinde DB
	db := config.ConnectDatabase()
	models.Migrate(db)

	// Repositories & Services
	eventRepo := repositories.NewEventRepository(db)
	eventService := services.NewEventService(eventRepo)

	// Starte Cronjob
	tasks.StartCronJobs(eventService)

	// Direkt beim Start einmal holen
	go func() {
		if err := eventService.ImportEvents(); err != nil {
			log.Printf("Fehler beim initialen Import: %v", err)
		}
	}()

	app := fiber.New()
	app.Get("/health", func(c *fiber.Ctx) error {
		return c.SendStatus(fiber.StatusOK)
	})

	log.Printf("Start server")

	// Starte Fiber

	log.Fatal(app.Listen(":" + config.GetEnv("PORT", "8080")))
}

func runHealthcheck() {
	resp, err := http.Get("http://localhost:" + config.GetEnv("PORT", "8080") + "/health")
	if err != nil || resp.StatusCode != http.StatusOK {
		os.Exit(1)
	}
}