package database

import (
	"antrian-operasi/internal/config"
	"database/sql"
	"fmt"
)

func (s *service) openSQLServerConnection(config config.DatabaseConfig) (*sql.DB, error) {
	// Build connection string with security parameters
	// Convert timeout to seconds for SQL Server
	connectTimeoutSec := int(config.ConnectTimeout.Seconds())

	connStr := fmt.Sprintf("sqlserver://%s:%s@%s:%d?database=%s&connection timeout=%d",
		config.Username,
		config.Password,
		config.Host,
		config.Port,
		config.Database,
		connectTimeoutSec,
	)

	// Add SSL configuration if required
	if config.RequireSSL {
		connStr += "&encrypt=true"
		if config.SSLRootCert != "" {
			connStr += "&trustServerCertificate=false"
		} else {
			connStr += "&trustServerCertificate=true"
		}
	}

	// Open connection
	db, err := sql.Open("sqlserver", connStr)
	if err != nil {
		return nil, fmt.Errorf("failed to open SQL Server connection: %w", err)
	}

	return db, nil
}