package platform

import (
	"context"
	"database/sql"
	"fmt"
	"time"

	_ "github.com/jackc/pgx/v5/stdlib"
)

func OpenDatabase(ctx context.Context, cfg Config) (*sql.DB, error) {
	if cfg.DatabaseMode == DatabaseModeMemory {
		return nil, nil
	}
	database, err := sql.Open("pgx", cfg.DatabaseURL)
	if err != nil {
		return nil, fmt.Errorf("open Sense PostgreSQL: %w", err)
	}
	database.SetMaxOpenConns(20)
	database.SetMaxIdleConns(5)
	database.SetConnMaxLifetime(30 * time.Minute)

	pingCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
	defer cancel()
	if err := database.PingContext(pingCtx); err != nil {
		database.Close()
		return nil, fmt.Errorf("connect Sense PostgreSQL: %w", err)
	}
	return database, nil
}