package utils

// Keep (used in cmd/api/main.go)

// Database utilities for GORM
// using PostgreSQL driver and OpenTelemetry tracing
import (
	"log/slog"
	"os"

	"git.kocoder.xyz/kocoded/vt/model"
	"gorm.io/driver/postgres"
	"gorm.io/gorm"

	"gorm.io/plugin/opentelemetry/tracing"
)

func NewDB(logger *slog.Logger) *gorm.DB {
	db, err := gorm.Open(postgres.Open(os.Getenv("DB_DSN")), &gorm.Config{})
	if err != nil {
		logger.Error("Error connecting to the Database", "error", err)
	}

	if err := db.Use(tracing.NewPlugin()); err != nil {
		panic(err)
	}

	err = db.SetupJoinTable(model.Ansprechpartner{}, "Firmen", model.FirmaAnsprechpartner{})
	if err != nil {
		logger.Error("Error setting up Join Tables", "error", err)
	}
	err = db.SetupJoinTable(model.Firma{}, "Ansprechpartner", model.FirmaAnsprechpartner{})
	if err != nil {
		logger.Error("Error setting up Join Tables", "error", err)
	}
	err = db.AutoMigrate(&model.Mandant{}, &model.User{}, &model.Ansprechpartner{}, &model.FirmaAnsprechpartner{}, &model.Firma{}, &model.Projekt{}, &model.Task{})
	if err != nil {
		logger.Error("Error setting up Join Tables", "error", err)
	}

	return db
}