package platform

import (
	"context"
	"fmt"
	"time"

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

func OpenDatabase(ctx context.Context, databaseURL string) (*pgxpool.Pool, error) {
	poolConfig, err := pgxpool.ParseConfig(databaseURL)
	if err != nil {
		return nil, fmt.Errorf("parse Bell database URL: %w", err)
	}
	poolConfig.MaxConns = 8
	poolConfig.MinConns = 1
	poolConfig.MaxConnLifetime = 30 * time.Minute
	pool, err := pgxpool.NewWithConfig(ctx, poolConfig)
	if err != nil {
		return nil, fmt.Errorf("open Bell database: %w", err)
	}
	pingCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
	defer cancel()
	if err := pool.Ping(pingCtx); err != nil {
		pool.Close()
		return nil, fmt.Errorf("ping Bell database: %w", err)
	}
	return pool, nil
}