package database

import (
	"context"

	"github.com/jackc/pgx/v5/pgxpool"

	"github.com/niels/banking-app/backend/internal/config"
)

func Connect(ctx context.Context, cfg config.DatabaseConfig) (*pgxpool.Pool, error) {
	poolConfig, err := pgxpool.ParseConfig(cfg.URL)
	if err != nil {
		return nil, err
	}

	poolConfig.MaxConns = cfg.MaxConns
	poolConfig.MinConns = cfg.MinConns
	poolConfig.HealthCheckPeriod = cfg.HealthCheckTime

	pool, err := pgxpool.NewWithConfig(ctx, poolConfig)
	if err != nil {
		return nil, err
	}

	if err := pool.Ping(ctx); err != nil {
		pool.Close()
		return nil, err
	}

	return pool, nil
}