package helpers

import (
	"git.readonly.ch/bouzoure/pop-camarades/models"
	"gorm.io/driver/postgres"
	"gorm.io/gorm"
	gormLogger "gorm.io/gorm/logger"
)

var database *gorm.DB
var connected bool

func GetDatabase() (*gorm.DB, error) {
	if connected {
		return database, nil
	}

	config, err := GetConfig()
	if err != nil {
		return database, err
	}

	logLevel := gormLogger.Error
	if config.Debug {
		logLevel = gormLogger.Info
	}

	gormConfig := gorm.Config{
		Logger: gormLogger.Default.LogMode(logLevel),
	}

	database, err = gorm.Open(
		postgres.Open(config.Database.DSN),
		&gormConfig,
	)
	if err != nil {
		return database, err
	}

	db, err := database.DB()
	if err != nil {
		return database, err
	}

	db.SetMaxIdleConns(10)
	db.SetMaxOpenConns(50)

	err = database.AutoMigrate(
		&models.User{},
		&models.UserSavedSession{},
		&models.Section{},
		&models.Role{},
		&models.UserRole{},
		&models.Person{},
		&models.List{},
		&models.ListItem{},
		&models.Field{},
		&models.FieldValue{},
	)
	if err != nil {
		return database, err
	}

	connected = true
	return database, nil
}