// Package db provides the PostgreSQL connection via GORM.
package db

import (
	"fmt"

	"gorm.io/driver/postgres"
	"gorm.io/gorm"
	gormlogger "gorm.io/gorm/logger"
)

func Connect(databaseURL string, debug bool) (*gorm.DB, error) {
	logLevel := gormlogger.Silent
	if debug {
		logLevel = gormlogger.Warn
	}

	db, err := gorm.Open(postgres.Open(databaseURL), &gorm.Config{
		Logger: gormlogger.Default.LogMode(logLevel),
	})
	if err != nil {
		return nil, fmt.Errorf("connect postgres: %w", err)
	}

	sqlDB, err := db.DB()
	if err != nil {
		return nil, fmt.Errorf("get sql.DB: %w", err)
	}
	if err := sqlDB.Ping(); err != nil {
		return nil, fmt.Errorf("ping postgres: %w", err)
	}

	return db, nil
}